Works (317)

Updated: July 2nd, 2024 05:12

2024 journal article

Biopolymer-protected graphene-Fe<sub>3</sub>O<sub>4</sub> nanocomposite based wearable microneedle sensor: toward real-time continuous monitoring of dopamine

RSC ADVANCES, 14(10), 7131–7141.

By: M. Keerthanaa*, L. Panicker*, R. Narayan n & Y. Kotagiri*

Source: Web Of Science
Added: April 1, 2024

2024 journal article

Machine learning enabled microneedle-based colorimetric pH sensing patch for wound health monitoring and meat spoilage detection

MICROCHEMICAL JOURNAL, 200.

By: S. Kadian n, P. Kumari*, S. Sahoo n, S. Shukla n & R. Narayan n

author keywords: Microneedle; Colorimetric; Biosensor; Wound; Machine learning monitoring; Food monitoring
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 22, 2024

2024 journal article

Machine learning enabled onsite electrochemical detection of lidocaine using a microneedle array integrated screen printed electrode

ELECTROCHIMICA ACTA, 475.

By: S. Kadian n, S. Sahoo n, P. Kumari* & R. Narayan n

Contributors: S. Kadian n, S. Sahoo n, P. Kumari* & R. Narayan n

author keywords: Graphene; Screen printing; Microneedle; Lidocaine; Biosensing
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 28, 2024

2024 journal article

Nanomaterial-Coated Carbon-Fiber-Based Multicontact Array Sensors for In Vitro Monitoring of Serotonin Levels

ACS APPLIED BIO MATERIALS, 7(1), 472–484.

By: S. Shukla n, S. Khanna n, S. Sahoo n, N. Joshi n & R. Narayan n

Contributors: S. Shukla n, S. Khanna n, S. Sahoo n, N. Joshi n & R. Narayan n

author keywords: carbon fiber; 3D printing; serotonin; squarewave voltammetry; design of experiments
TL;DR: This type of sensitive and cost-effective electrochemical sensor may prove useful for collecting electrical impulses and long-term monitoring of 5-HT in vivo in addition to in vitro testing. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 28, 2024

2024 article

Physico-chemical properties and cytotoxicity of gelatin methacryloyl crosslinked with nanoparticle photoinitiator

Yang, K.-H., Liu, Y., Skoog, S. A., & Narayan, R. J. (2024, June 17). JOURNAL OF MATERIALS RESEARCH.

By: K. Yang n, Y. Liu*, S. Skoog* & R. Narayan n

author keywords: Photoinitiator; Nanoparticle; Diphenyl(2,4,6-trimethylbenzoyl) phosphine oxide; Gelatin methacryloyl; Biocompatibility
Source: Web Of Science
Added: July 1, 2024

2024 journal article

Q-carbon as an emergent surface coating material for antimicrobial applications

THIN SOLID FILMS, 791.

By: N. Joshi n, S. Shukla n, N. Khosla n, L. Vanderwal*, S. Stafslien*, J. Narayan n, R. Narayan n

Contributors: N. Joshi n, S. Shukla n, N. Khosla n, L. Vanderwal*, S. Stafslien*, J. Narayan n, R. Narayan n

author keywords: Adhesion; Antibacterial coatings; Hydrophilicity; Q -carbon; Surface properties
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 28, 2024

2023 review

A Review of State-of-the-Art on Enabling Additive Manufacturing Processes for Precision Medicine

[Review of ]. JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, 145(1).

author keywords: drug delivery; biomedical manufacturing; rapid prototyping and solid freeform fabrication; precision medicine; personalized medicine; 3D printing; additive manufacturing
TL;DR: In this state-of-the-art review, products manufactured for precision medicine will be introduced, followed by a brief review on processing materials and their characteristics, and a review on different manufacturing processes applicable to those aforementioned products. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 17, 2023

2023 journal article

A whole cell fluorescence quenching-based approach for the investigation of polyethyleneimine functionalized silver nanoparticles interaction with Candida albicans

FRONTIERS IN MICROBIOLOGY, 14.

author keywords: autofluorescence; fluorescence quenching; silver nanoparticles; intrinsic fluorescence; surface expressed proteins
TL;DR: The utility of fluorescence spectroscopy for qualitative analysis of polyethyleneimine-functionalized silver nanoparticle interaction/binding with C. albicans cells is demonstrated and a quantitative approach is needed in order to formulate selective surface tuned nanoparticle for selective antifungal activity. (via Semantic Scholar)
Source: Web Of Science
Added: April 4, 2023

2023 article

Bone tissue engineering application of 3-aminopropyltrimethoxysilane functionalized Au/Ag bimetallic nanoparticles incorporated hydroxyapatite bioceramic

Pandey, M., Verma, A. S., Pandey, P. C., & Narayan, R. J. (2023, August 17). JOURNAL OF MATERIALS RESEARCH.

By: M. Pandey*, A. Verma*, P. Pandey* & R. Narayan n

TL;DR: 3-aminopropyltrimethoxysilane (3-APTMS) functionalized gold (Au)-silver (Ag) nanoparticles incorporated in hydroxyapatite bioceramics provides a material with appropriate mechanical, antibacterial, and cellular responses for further consideration. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: September 5, 2023

2023 review

Computational approaches to delivery of anticancer drugs with multidimensional nanomaterials

[Review of ]. COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL, 21, 4149–4158.

By: S. Shukla n, J. Jakowski*, S. Kadian n & R. Narayan n

author keywords: Nanotubes; Graphene oxide; Molecular dynamics; Molecular mechanics; Force fields; Drug delivery
TL;DR: Advances in simulation techniques are summarized, which are extremely valuable in initial geometry optimization and evaluation of the loading and unloading behavior of encapsulated drug molecules. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 16, 2023

2023 article

Electrochemical Strip Sensor Based on a Silver Nanoparticle-Embedded Conducting Polymer for Sensitive In Vitro Detection of an Antiviral Drug

Kummari, S., Panicker, L., Gobi, K. V., Narayan, R., & Kotagiri, Y. G. (2023, June 26). ACS APPLIED NANO MATERIALS.

By: S. Kummari*, L. Panicker*, K. Gobi*, R. Narayan n & Y. Kotagiri*

author keywords: screen-printed electrode; silver nanoparticle; square-wave voltammetry; valganciclovir; serumanalysis; scaffold layer
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 10, 2023

2023 article

Electrochemical detection of cholesterol in human biofluid using microneedle sensor

Li, Z., Kadian, S., Mishra, R. K. K., Huang, T., Zhou, C., Liu, S., … Zhu, Z. (2023, May 22). JOURNAL OF MATERIALS CHEMISTRY B, Vol. 5.

TL;DR: The developed microneedle sensor showed satisfactory stability and good selectivity towards cholesterol in the presence of potential interfering biomolecules, including glucose, lactic acid, uric Acid, and ascorbic acid, and this sensor exhibits enormous promise for straightforward, sensitive, and minimally invasive monitoring of cholesterol. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: June 19, 2023

2023 article

Laser-assisted formation of 3c-SiC and continuous diamond growth using Si-Q carbon on (100) silicon

Khosla, N., Narayan, J., & Narayan, R. (2023, December 26). JOURNAL OF MATERIALS RESEARCH, Vol. 12.

By: N. Khosla n, J. Narayan n & R. Narayan n

UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: January 16, 2024

2023 journal article

Mechanical behaviour of nitric oxide releasing polymers for cardiovascular bypass grafts

MECHANICS OF MATERIALS, 176.

By: T. Tabish*, N. Thorat* & R. Narayan n

author keywords: Mechanical properties; Biomechanics; Nitric oxide; Polymers; Vascular bypass grafts
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 9, 2023

2023 article

Microneedle fabrication methods and applications

Machekposhti, S. A., Khanna, S., Shukla, S., & Narayan, R. (2023, March 24). MRS COMMUNICATIONS.

By: S. Machekposhti n, S. Khanna n, S. Shukla n & R. Narayan n

author keywords: 3D printing; Additive manufacturing; Biomaterial; Biomedical
TL;DR: In this review, technical challenges associated with microneedle processing are considered and the mechanical requirements associated with microscale needle-shaped devices penetration of the skin are described. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: April 24, 2023

2023 article

Microneedle-Integrated Device for Transdermal Sampling and Analyses of Targeted Biomarkers

Shukla, S., Machekposhti, S. A., Joshi, N., Joshi, P., & Narayan, R. J. (2023, April 22). SMALL SCIENCE, Vol. 4.

By: S. Shukla n, S. Machekposhti n, N. Joshi n, P. Joshi n & R. Narayan n

Contributors: S. Shukla n, S. Machekposhti n, N. Joshi n, P. Joshi n & R. Narayan n

author keywords: 3D printing; diffusion; glucose monitoring; interstitial fluids; microneedle arrays; transdermal
TL;DR: The design of a disposable device for interstitial fluid (ISF) extraction as well as glucose, lactate, and potassium ion (K+) monitoring is reported on, which is minimally invasive and appropriate for single use, minimizing the risk of infection to the user. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 9, 2023

2023 journal article

Microstructure and defect engineering of graphite anodes by pulsed laser annealing for enhanced performance of lithium-ion batteries

CARBON, 205, 214–225.

By: N. Khosla n, J. Narayan n, R. Narayan n, X. Sun* & M. Paranthaman*

Contributors: N. Khosla n, J. Narayan n, R. Narayan n, X. Sun* & M. Paranthaman*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 6, 2023

2023 journal article

Nanosecond Laser Annealing of NMC 811 Cathodes for Enhanced Performance

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 170(3).

By: N. Khosla n, J. Narayan n, R. Narayan n, X. Sun* & M. Paranthaman*

Contributors: N. Khosla n, J. Narayan n, R. Narayan n, X. Sun* & M. Paranthaman*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 4, 2023

2023 personal communication

Novel hollow biodegradable microneedle for amphotericin B delivery

Machekposhti, S. A., Kadian, S., Vanderwal, L., Stafslien, S., & Narayan, R. J. (2023, August).

By: S. Machekposhti n, S. Kadian n, L. Vanderwal*, S. Stafslien* & R. Narayan n

TL;DR: The previous study aimed to deliver amphotericin B by biodegradable solid microneedles by mixing it with Gantrez R © AN 119 BF and leaving it left at room temperature for approximately 2 weeks to be solidified in the shape ofmicroneedle. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: July 31, 2023

2023 journal article

Probe sonication-assisted rapid synthesis of highly fluorescent sulfur quantum dots

NANOTECHNOLOGY, 34(30).

author keywords: sulfur quantum dots; probe sonication; fluorescent nanomaterials; photostability; quantum yield
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 30, 2023

2023 review

Probes for noninvasive biological visualization and biosensing of cancer cells

[Review of ]. APPLIED PHYSICS REVIEWS, 10(4).

By: S. Kadian n, S. Shukla n & R. Narayan n

TL;DR: This critical review presents an overview of bioimaging probes, including functionalized chromophoric systems, non-functionalized chromophile systems, and nanoscale biosensors, and technical challenges and future directions related to these approaches are considered. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 11, 2023

2023 journal article

Prussian blue nanoparticles-mediated sensing and removal of Cs-137

FRONTIERS IN ENVIRONMENTAL SCIENCE, 11.

author keywords: Prussian blue nanoparticle; fluorescence sensing; selective adsorption; Cs-137 removal; fluorescence resonance energy transfer; superparamagnetic behavior
Source: Web Of Science
Added: October 2, 2023

2023 journal article

Recent advancements in machine learning enabled portable and wearable biosensors

TALANTA OPEN, 8.

By: S. Kadian n, P. Kumari, S. Shukla n & R. Narayan n

author keywords: Machine learning; Clinical decision making; Portable and wearable biosensors
Sources: Web Of Science, NC State University Libraries
Added: December 18, 2023

2023 journal article

Surfactant-free synthesis and magnetic property evaluation of air-stable cobalt oxide nanostructures

NANO EXPRESS, 4(3).

By: N. Joshi n, S. Shivashankar* & R. Narayan n

Contributors: N. Joshi n, S. Shivashankar* & R. Narayan n

author keywords: surfactants; free; synthesis; magnetic; property; evaluation
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 2, 2023

2023 journal article

Synthesis and novel properties of Q-silicon (January 2023)

MATERIALS RESEARCH LETTERS, 11(8), 688–696.

By: J. Narayan n, S. Sahoo n, N. Joshi n & R. Narayan n

Contributors: J. Narayan n, S. Sundar Sahoo n, N. Joshi n & R. Narayan n

author keywords: Q-silicon synthesis; RT ferromagnetism; nanosecond laser melting and quenching
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 19, 2023

2023 article

Synthesis of laser-patterned MoS2 nanoneedles for advanced electrochemical sensing

Joshi, P., Shukla, S., Gupta, S., Joshi, N., Narayan, J., & Narayan, R. (2023, June 14). MRS COMMUNICATIONS, Vol. 6.

By: P. Joshi n, S. Shukla n, S. Gupta*, N. Joshi n, J. Narayan n & R. Narayan n

Contributors: P. Joshi n, S. Shukla n, S. Gupta*, N. Joshi n, J. Narayan n & R. Narayan n

author keywords: Laser annealing; Laser-induced reaction; Nanostructure; Sensor
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 3, 2023

2023 journal article

Wearable Electrochemical Microneedle Sensors Based on the Graphene-Silver-Chitosan Nanocomposite for Real-Time Continuous Monitoring of the Depression Biomarker Serotonin

ACS APPLIED NANO MATERIALS, 6(22), 20601–20611.

By: L. Panicker*, F. Shamsheera*, R. Narayan n & Y. Kotagiri*

author keywords: microneedle; serotonin; neurotransmitters detection; Parkinson'sdisease; wearable sensor; minimally invasive monitoring
Source: Web Of Science
Added: December 11, 2023

2022 book

Additive Manufacturing in Biomedical Applications

Roger Narayan

Ed(s): R. Narayan

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Crossref
Added: November 8, 2023

2022 article

Antifungal behavior of silicon-incorporated diamond-like carbon by tuning surface hydrophobicity with plasma treatment

Yang, K.-H., Riley, P., Rodenhausen, K. B., Skoog, S. A., Stafslien, S. J., Vanderwal, L., & Narayan, R. J. (2022, May 2). INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY.

By: K. Yang n, P. Riley n, K. Rodenhausen*, S. Skoog*, S. Stafslien*, L. Vanderwal*, R. Narayan n

author keywords: antifungal; diamond-like carbon; hydrophobicity; plasma treatment; zeta potential
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: May 16, 2022

2022 journal article

Discovery of Double Helix and Impact on Nanoscale to Mesoscale Crystalline Structures

ACS OMEGA, 7(29), 25853–25859.

By: J. Narayan n & R. Narayan n

Sources: Web Of Science, NC State University Libraries
Added: August 8, 2022

2022 article

Effect of oxygen and fluorine plasma surface treatment of silicon-incorporated diamond-like carbon coatings on cellular responses of mouse fibroblasts

Riley, P. R., Yang, K.-H., Liu, Y., Skoog, S. A., Narayan, J., & Narayan, R. J. (2022, June 21). INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, Vol. 6.

By: P. Riley n, K. Yang n, Y. Liu*, S. Skoog*, J. Narayan n & R. Narayan n

author keywords: diamond-like carbon; surface plasma treatment; viability
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 27, 2022

2022 article

Effect of simulated body fluid formulation on orthopedic device apatite-forming ability assessment

Nguyen, A. K. K., Nelson, S. B. B., Skoog, S. A. A., Jaipan, P., Petrochenko, P. E. E., Kaiser, A., … Kumar, G. (2022, November 29). JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS.

By: A. Nguyen n, S. Nelson*, S. Skoog*, P. Jaipan n, P. Petrochenko*, A. Kaiser*, L. Lo*, J. Moreno* ...

MeSH headings : Humans; Apatites / chemistry; Calcium / chemistry; Surface Properties; Durapatite / chemistry; Body Fluids / chemistry; Microscopy, Electron, Scanning; X-Ray Diffraction
TL;DR: Evaluation of the effect of SBF formulation on bioactivity assessment revealed that SBF enriched with double or quadruple the calcium and phosphate ion concentrations increased hydroxyapatite crystal size and quantity compared to the standard formulation and can induce hydroxyAPatite crystallization on surfaces traditionally considered non-bioactive. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: December 19, 2022

2022 journal article

Excimer Laser Patterned Holey Graphene Oxide Films for Nonenzymatic Electrochemical Sensing

ACS APPLIED MATERIALS & INTERFACES, 14(32), 37149–37160.

By: P. Joshi n, S. Shukla n, S. Gupta*, P. Riley n, J. Narayan n & R. Narayan n

author keywords: defect engineering; con focal Raman spectroscopy; electrocatalysis; melting; holey graphene
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2022

2022 journal article

Formation of Q-carbon with wafer scale integration

CARBON, 196, 972–978.

By: P. Riley n, P. Joshi n, N. Khosla n, R. Narayan n & J. Narayan n

Contributors: P. Riley n, P. Joshi n, N. Khosla n, R. Narayan n & J. Narayan n

author keywords: Q-carbon; Scale-up production; Low-energy ion bombardment; Radio frequency plasma-enhanced chemical vapor deposition
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 11, 2022

2022 article

Laser-patterned carbon coatings on flexible and optically transparent plastic substrates for advanced biomedical sensing and implant applications

Joshi, P., Riley, P. R., Denning, W., Shukla, S., Khosla, N., Narayan, J., & Narayan, R. (2022, January 13). JOURNAL OF MATERIALS CHEMISTRY C, Vol. 1.

By: P. Joshi n, P. Riley n, W. Denning*, S. Shukla n, N. Khosla n, J. Narayan n, R. Narayan n

Contributors: P. Joshi n, P. Riley n, W. Denning*, S. Shukla n, N. Khosla n, J. Narayan n, R. Narayan n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 24, 2022

2022 journal article

Micromolding of Amphotericin-B-Loaded Methoxyethylene-Maleic Anhydride Copolymer Microneedles

PHARMACEUTICS, 14(8).

By: S. Azizi Machekposhti n, A. Nguyen n, L. Vanderwal*, S. Stafslien* & R. Narayan n

author keywords: microneedles; amphotericin B; transdermal drug delivery; fungus
TL;DR: Amphotericin B GantrezTM microneedles fabricated in this study showed appropriate characteristics for clinical translation in terms of mechanical properties, sharpness, and antifungal properties. (via Semantic Scholar)
Source: Web Of Science
Added: September 6, 2022

2022 article

On Mechanical, Physical, and Bioactivity Characteristics of Material Extrusion Printed Polyether Ether Ketone

Kumar, R., Singh, G., Chinappan, A., Ghomi, E. R., Singh, S., Sandhu, K., … Katakam, P. (2022, October 13). JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE.

By: R. Kumar*, G. Singh*, A. Chinappan*, E. Ghomi*, S. Singh*, K. Sandhu*, S. Ramakrishna*, R. Narayan*, P. Katakam*

author keywords: bioactivity; characterization; fused filament fabrication; poly-ether-ether-ketone; surface roughness; tensile strength; three-dimensional printing
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 24, 2022

2022 journal article

Q-carbon as a new radiation-resistant material

CARBON, 186, 253–261.

By: J. Narayan n, P. Joshi n, J. Smith n, W. Gao n, W. Weber* & R. Narayan n

author keywords: Q-carbon; Radiation-resistant materials; Ion radiation damage
Sources: Web Of Science, NC State University Libraries
Added: November 1, 2021

2022 review

Recent Advancement in Biofluid-Based Glucose Sensors Using Invasive, Minimally Invasive, and Non-Invasive Technologies: A Review

[Review of ]. NANOMATERIALS, 12(7).

By: V. Reddy*, B. Agarwal*, Z. Ye*, C. Zhang*, K. Roy*, A. Chinnappan*, R. Narayan n, S. Ramakrishna*, R. Ghosh*

author keywords: glucose detection; biosensors; blood; urine; sweat; saliva; tears; interstitial fluid; breath
TL;DR: This literature review provides a comprehensive update on the recent advances in the field of biofluid-based sensors for glucose level detection in terms of methods, methodology and materials used. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: April 25, 2022

2022 review

Recent advances of boron-doped diamond electrochemical sensors toward environmental applications

[Review of ]. CURRENT OPINION IN ELECTROCHEMISTRY, 32.

By: P. Joshi n, P. Riley n, K. Goud*, R. Mishra* & R. Narayan n

author keywords: Boron-doped diamond electrodes; Environmental applications; Pesticides; Mycotoxins; Electrochemical sensors
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: Web Of Science
Added: May 16, 2022

2022 journal article

Size and Zeta Potential Clicked Germination Attenuation and Anti-Sporangiospores Activity of PEI-Functionalized Silver Nanoparticles against COVID-19 Associated Mucorales (Rhizopus arrhizus)

NANOMATERIALS, 12(13).

author keywords: germination; COVID-19 associated mucormycosis; SERS; CLSM; SARS-CoV-2; black fungus
TL;DR: This is the first investigation of the polyethyleneimine functionalized silver nanoparticle-mediated size and surface charge-dependent anti-sporangiospore activity against R. arrhizus, along with a possible antifungal mechanism. (via Semantic Scholar)
Source: Web Of Science
Added: July 18, 2022

2022 journal article

Square wave voltammetric approach to leptin immunosensing and optimization of driving parameters with chemometrics

BIOSENSORS & BIOELECTRONICS, 216.

By: S. Shukla n, P. Joshi n, P. Riley n & R. Narayan n

author keywords: Immunosensor; Square wave voltammetry; Leptin; Point of care; Antibody
MeSH headings : Biosensing Techniques / methods; Chemometrics; Electrochemical Techniques / methods; Electrodes; Epitopes; Gold / chemistry; Immunoassay / methods; Limit of Detection; Metal Nanoparticles / chemistry
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: September 12, 2022

2022 journal article

Transdermal Polymeric Microneedle Sensing Platform for Fentanyl Detection in Biofluid

BIOSENSORS-BASEL, 12(4).

author keywords: microneedle; fentanyl; serum; ionic liquid; opioid; electrochemical detection
MeSH headings : Analgesics, Opioid; Electrochemical Techniques / methods; Fentanyl; Humans; Platinum / chemistry; Polymers; Silver / chemistry
TL;DR: The obtained results revealed that the microneedle sensor holds considerable promise for point-of-need fentanyl detection and opens additional opportunities for detecting substances of abuse in emergencies. (via Semantic Scholar)
Source: Web Of Science
Added: May 10, 2022

2022 article

Transdermal delivery via medical device technologies

Shukla, S., Huston, R. H., Cox, B. D., Satoskar, A. R., & Narayan, R. J. (2022, October 24). EXPERT OPINION ON DRUG DELIVERY.

By: S. Shukla n, R. Huston*, B. Cox*, A. Satoskar* & R. Narayan n

author keywords: Additive manufacturing; drug delivery; hollow microneedles; inkjet printing; iontophoresis; 3D printing; water-insoluble drugs
MeSH headings : Technology, Pharmaceutical; Administration, Cutaneous; Drug Delivery Systems; Pharmaceutical Preparations; Lipids
TL;DR: Microneedle arrays, inkjet printing, and fused deposition modeling have emerged as valuable approaches for delivering several classes of drugs, and iontophoresis has been successfully employed for the effective delivery of macromolecular drugs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: November 7, 2022

2022 article

Translation of 3D printed materials for medical applications

Bandyopadhyay, A., Bose, S., & Narayan, R. (2022, February 3). MRS BULLETIN.

By: A. Bandyopadhyay*, S. Bose* & R. Narayan n

author keywords: 3D Printing; Biomaterial; Devices; Additive manufacturing
TL;DR: This special issue reviews recent advances in translating 3D biomaterials and medical devices for metallic, ceramic, and polymeric devices, as well as bioprinting for organ and tissue engineering, along with regulatory issues in 3DP biommaterials. (via Semantic Scholar)
Source: Web Of Science
Added: February 14, 2022

2021 article

3D Printing of Polytetrafluoroethylene Hollow Needles for Medical Applications

Sachan, R., Sachan, A., Lu, J., Erdmann, D., Zhang, J. Y., & Narayan, R. J. (2021, October 28). JOM.

By: R. Sachan n, A. Sachan n, J. Lu*, D. Erdmann*, J. Zhang* & R. Narayan n

TL;DR: DLP-based 3D printing of polytetrafluoroethylene may be an appropriate approach for producing needle arrays and other technologically relevant devices. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: November 8, 2021

2021 article

3D bioprinting: Physical and chemical processes

Narayan, R., Yoo, J., & Atala, A. (2021, September). APPLIED PHYSICS REVIEWS, Vol. 8.

By: R. Narayan n, J. Yoo* & A. Atala*

Source: Web Of Science
Added: September 13, 2021

2021 review

Advances in laser-assisted conversion of polymeric and graphitic carbon into nanodiamond films

[Review of ]. NANOTECHNOLOGY, 32(43).

By: P. Joshi*, P. Riley*, S. Gupta*, R. Narayan* & J. Narayan*

author keywords: nanodiamonds; PTFE; CNT; laser annealing; melting; CVD
TL;DR: ND fabrication by UV irradiation of graphitic and polymeric carbon opens up a pathway for preparing selective coatings of polymer-diamond composites, doped nanodiamonds, and graphene composites for quantum computing and biomedical applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 3, 2021

2021 review

Biological function following radical photo-polymerization of biomedical polymers and surrounding tissues: Design considerations and cellular risk factors

[Review of ]. APPLIED PHYSICS REVIEWS, 8(1).

TL;DR: Current and emerging toolkits to photo-polymerize biomedical polymers requiring the direct irradiation of cells and/or mammalian tissues and its associated impact on biological functionality are summarized. (via Semantic Scholar)
Source: Web Of Science
Added: February 1, 2021

2021 review

Biosensing applications of carbon-based materials

[Review of ]. CURRENT OPINION IN BIOMEDICAL ENGINEERING, 18.

By: P. Joshi n, R. Mishra* & R. Narayan n

author keywords: Biosensing; graphene oxide; Carbon nanotubes; Graphite; Glassy carbon electrode; Graphene quantum dots; COVID-19
TL;DR: A brief account provides a description of recent efforts involving the use of carbon-based materials for biosensing and related biomedical applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 12, 2021

2021 journal article

Correlation of zeta potential and contact angle of oxygen and fluorine terminated nitrogen incorporated ultrananocrystalline diamond (N UNCD) thin films

MATERIALS LETTERS, 295.

By: K. Yang n, P. Joshi n, K. Rodenhausen*, A. Sumant*, S. Skoog* & R. Narayan n

author keywords: Zeta potential; Contact angle; Diamond; Surface termination
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: June 10, 2021

2021 journal article

Crossing the blood-brain barrier with graphene nanostructures

MATERIALS TODAY, 51, 393–401.

By: T. Tabish* & R. Narayan n

author keywords: Blood -brain barrier; Graphene; Nanomaterials; Drug delivery
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: January 3, 2022

2021 article

Designing organotrialkoxysilane-functionalized microscale enzyme carrier: Spherical polymersomes with tunable catalytic potential

Pandey, P. C., Pandey, A. K., & Narayan, R. J. (2021, July 8). JOURNAL OF MATERIALS RESEARCH.

By: P. Pandey*, A. Pandey n & R. Narayan n

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 26, 2021

2021 article

Digital light processing-based 3D printing of polytetrafluoroethylene solid microneedle arrays

Sachan, R., Nguyen, A. K., Lu, J., Erdmann, D., Zhang, J. Y., & Narayan, R. J. (2021, November 9). MRS COMMUNICATIONS.

By: R. Sachan n, A. Nguyen n, J. Lu*, D. Erdmann*, J. Zhang* & R. Narayan n

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: November 23, 2021

2021 journal article

Direct ink writing of polycaprolactone/polyethylene oxide based 3D constructs

PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL, 31(2), 166–177.

By: B. Zhang*, S. Chung*, S. Barker*, D. Craig*, R. Narayan n & J. Huang*

author keywords: Direct ink writing; Polycaprolactone; Polyethylene oxide; Ink rheology; Material characterisation; 3D construct
Source: Web Of Science
Added: May 17, 2021

2021 article

Direct ink writing of vancomycin-loaded polycaprolactone/ polyethylene oxide/ hydroxyapatite 3D scaffolds

Zhang, B., Nguyen, A. K., Narayan, R. J., & Huang, J. (2021, July 30). JOURNAL OF THE AMERICAN CERAMIC SOCIETY.

By: B. Zhang*, A. Nguyen n, R. Narayan n & J. Huang*

author keywords: bone tissue scaffold; bioceramics; direct ink writing; drug release; hydroxyapatite; ink rheology behavior; mechanical property; printing; processing
TL;DR: Novel drug-loaded PCL/PEO/HAp inks for 3D scaffold fabrication using the DIW printing technique for potential bone scaffold applications are presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 16, 2021

2021 journal article

Effect of Photoinitiator on Precursory Stability and Curing Depth of Thiol-Ene Clickable Gelatin

POLYMERS, 13(11).

By: K. Yang n, G. Lindberg*, B. Soliman*, K. Lim*, T. Woodfield* & R. Narayan n

author keywords: photoinitiator; hydrogel; polymerization; visible light; gelatin; thiol-ene click chemistry
TL;DR: The use of the visible light based Ru/SPS photo-initiator for constructs requiring rapid gelation and a good curing depth while Ig2959 or LAP can be applied for photo-polymerization of GelAGE materials requiring long-term incubation prior to application if UV is not a concern. (via Semantic Scholar)
Source: Web Of Science
Added: June 21, 2021

2021 journal article

Electrosprayed Collagen/Gentamicin nanoparticles coated microneedle patches for skin treatment

MATERIALS LETTERS, 305.

By: M. Mutlu*, S. Ulag*, M. Sengor*, S. Daglilar*, R. Narayan n & O. Gunduz*

author keywords: Collagen type I; Electrospraying; Gentamicin; Microneedle; Nanoparticles; 3D printing
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 12, 2021

2021 journal article

Enhanced Vapor Transmission Barrier Properties via Silicon-Incorporated Diamond-Like Carbon Coating

POLYMERS, 13(20).

By: P. Riley n, P. Joshi n, S. Azizi Machekposhti n, R. Sachan*, J. Narayan n & R. Narayan n

author keywords: coating; surface structure; moisture vapor transmission; silicon-incorporated diamond-like carbon; plasma-enhanced chemical vapor deposition; water stability
TL;DR: Reducing the moisture vapor transmission through a commercial polymer bag material using a silicon-incorporated diamond-like carbon (Si-DLC) coating that was deposited using plasma-enhanced chemical vapor deposition is described. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: November 15, 2021

2021 journal article

Enhanced nucleation and large-scale growth of CVD diamond via surface-modification of silicon-incorporated diamond-like carbon thin films

DIAMOND AND RELATED MATERIALS, 120.

By: P. Riley n, P. Joshi n, J. Narayan n & R. Narayan n

author keywords: Micro-diamond; Thin film; Surface modification; Silicon-incorporated diamond-like carbon
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: November 8, 2021

2021 journal article

Formation of self-organized nano- and micro-diamond rings

MATERIALS RESEARCH LETTERS, 9(7), 300–307.

By: J. Narayan n, A. Bhaumik*, S. Gupta*, P. Joshi n, P. Riley n & R. Narayan n

author keywords: Nanodiamond ring; self-organized nanodiamonds; Q-carbon
Sources: Web Of Science, NC State University Libraries
Added: April 19, 2021

2021 review

Graphene nanocomposites for transdermal biosensing

[Review of ]. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY, 13(4).

By: T. Tabish*, A. Abbas* & R. Narayan n

author keywords: glucose; graphene; hydrogen peroxide; microneedles; transdermal biosensing
MeSH headings : Administration, Cutaneous; Biosensing Techniques; Graphite; Humans; Nanocomposites; Needles
TL;DR: Graphene-based transdermal biosensors for health monitoring, evaluation of these sensors for glucose and hydrogen peroxide detection via in vitro, in vivo, and ex vivo studies, recent technological innovations, and potential challenges are considered. (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Source: Web Of Science
Added: February 8, 2021

2021 article

Hollow copper microneedle made by local electrodeposition-based additive manufacturing

Sachan, R., Schuerch, P., Testa, P., Hepp, E., Koelmans, W. W., & Narayan, R. J. (2021, December 8). MRS ADVANCES.

By: R. Sachan n, P. Schuerch, P. Testa, E. Hepp, W. Koelmans & R. Narayan*

TL;DR: Results suggest that local electrodeposition-based additive manufacturing of copper may be an appropriate approach for producing microneedles and many other types of microscale medical devices. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 3, 2022

2021 journal article

Injection molding for manufacturing of solid poly(l-lactide-co-glycolide) microneedles

MRS ADVANCES, 6(3), 61–65.

By: A. Sachan*, R. Sachan*, J. Lu*, H. Sun*, Y. Jin*, D. Erdmann*, J. Zhang*, R. Narayan n

TL;DR: Injection molding of RESOMER LG 855 S—poly( l -lactide-co-glycolide) may be an appropriate approach for large-scale manufacturing of solid microneedles, according to X-ray photoelectron spectroscopy and scanning electron microscopy results. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: March 15, 2021

2021 article

Laser-based bioprinting for multilayer cell patterning in tissue engineering and cancer research

3D BIOPRINTING, Vol. 65, pp. 409–416.

By: H. Yang*, K. Yang n, R. Narayan n & S. Ma*

MeSH headings : Bioprinting / methods; Humans; Lasers; Neoplasms / therapy; Tissue Engineering / methods; Tissue Scaffolds
TL;DR: Laser-based bioprinting is nozzle-free, which makes it a valid tool that can adapt to the viscosity of the bioink; the cell viability is also improved because of elimination of nozzle, which could cause cell damage when the bioinks flow through a nozzle. (via Semantic Scholar)
Source: Web Of Science
Added: August 30, 2021

2021 journal article

Liquid phase regrowth of (110) nanodiamond film by UV laser annealing of PTFE to generate dense CVD microdiamond film

DIAMOND AND RELATED MATERIALS, 117.

By: P. Joshi n, S. Gupta n, P. Riley n, R. Narayan n & J. Narayan n

author keywords: Phase pure nanodiamonds; PTFE; Teflon; Adherent microdiamond film; Laser annealing; Melting; Unseeded crystallization
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 23, 2021

2021 journal article

Microneedle-based transdermal electrochemical biosensors based on Prussian blue-gold nanohybrid modified screen-printed electrodes

JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS, 109(1), 33–49.

By: P. Pandey*, G. Pandey* & R. Narayan n

author keywords: amperometry; cyclic voltammetry; gold nanoparticles; peroxidase mimetic activity; polyethylenimine; Prussian blue nanoparticles
MeSH headings : Biosensing Techniques; Electrochemical Techniques; Electrodes; Ferrocyanides / chemistry; Glucose / analysis; Glucose Oxidase; Gold / chemistry; Hydrogen Peroxide / chemistry; Imines / chemistry; Luminescent Agents / chemistry; Luminol / chemistry; Metal Nanoparticles / chemistry; Oxidation-Reduction; Polyethylenes / chemistry; Reproducibility of Results; Skin; Surface Properties
TL;DR: The fabrication of a microneedle-based electrochemical biosensor for use in transdermal biosensing, which includes a screen-printed electrode containing a Prussian blue-gold nanohybrid as the working electrode showed suitable analytical performance of the as-made PBNP-AuNP nanohYbrid for biomedical applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 10, 2020

2021 review

Mitochondria-targeted graphene for advanced cancer therapeutics

[Review of ]. ACTA BIOMATERIALIA, 129, 43–56.

By: T. Tabish* & R. Narayan n

author keywords: Mitochondria; Mitochondria-targeted graphene; Cancer; Therapy
MeSH headings : Animals; Antineoplastic Agents / pharmacology; Antineoplastic Agents / therapeutic use; Graphite; Mitochondria; Nanoparticles; Neoplasms / drug therapy
TL;DR: This review considers the cross-disciplinary nature of this area and focuses on the design and development of mitochondria-targeted graphene (mitoGRAPH), its immense potential, and future use for selective targeting of cancer mitochondria. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: July 19, 2021

2021 article

Naloxone and nalmefene absorption delivered by hollow microneedles compared to intramuscular injection

Papich, M. G., & Narayan, R. J. (2021, November 24). DRUG DELIVERY AND TRANSLATIONAL RESEARCH, Vol. 11.

By: M. Papich n & R. Narayan n

author keywords: Microneedle; Opioid; Overdose; Naloxone; Nalmefene
MeSH headings : Analgesics, Opioid; Animals; Cross-Over Studies; Dogs; Humans; Injections, Intramuscular; Naloxone; Naltrexone / analogs & derivatives; Naltrexone / pharmacokinetics; Naltrexone / therapeutic use; Narcotic Antagonists
TL;DR: These studies were designed to test the feasibility of using the hollow microneedle array as an effective method of naloxone and nalmefene delivery for emergency treatment of opioid-induced respiratory depression (OIRD) in people. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: November 25, 2021

2021 review

Nanostructured diamond for biomedical applications

[Review of ]. NANOTECHNOLOGY, 32(13).

author keywords: nanocrystalline diamond; chemical vapor deposition; microwave-plasma chemical vapor deposition; detonation synthesis; surface modification
TL;DR: The results from recent studies indicate that medical devices containing nanostructured diamond can provide improved functionality over existing materials for the diagnosis and treatment of various medical conditions. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 25, 2021

2021 article

Next generation bioceramics

Narayan, R., Basu, B., Goel, A., Jones, J., & Jung, S. (2021, December 1). JOURNAL OF THE AMERICAN CERAMIC SOCIETY.

By: R. Narayan n, B. Basu*, A. Goel*, J. Jones* & S. Jung*

Source: Web Of Science
Added: December 6, 2021

2021 journal article

One-Step Formation of Reduced Graphene Oxide from Insulating Polymers Induced by Laser Writing Method

CRYSTALS, 11(11).

By: P. Riley n, P. Joshi n, H. Penchev*, J. Narayan n & R. Narayan n

author keywords: reduced graphene oxide; UV laser annealing; PTFE; PBI; insulating polymers
Sources: Web Of Science, NC State University Libraries
Added: January 3, 2022

2021 review

Optical Biosensors for Diagnostics of Infectious Viral Disease: A Recent Update

[Review of ]. DIAGNOSTICS, 11(11).

author keywords: viral disease; optical biosensors; diagnostics; nanomaterial; fluorescence; SARS-CoV-2
TL;DR: This review accentuates the existing challenges engaged in converting laboratory research to real-world device applications and optical diagnostics methods for virus infections. (via Semantic Scholar)
Source: Web Of Science
Added: December 20, 2021

2021 journal article

Patterned surfaces with the controllable drug doses using inkjet printing

JOURNAL OF MATERIALS RESEARCH, 36(19), 3865–3876.

By: S. Azizi Machekposhti n, B. Zhang n, R. Sachan n, L. Vanderwal*, S. Stafslien* & R. Narayan n

author keywords: Inkjet printing; Controllable drug doses; Amphotericin B; Azithromycin
TL;DR: The results indicate that piezoelectric inkjet printing may be useful for loading gauze with both antibacterial and antifungal pharmacologic agents with poor solubility in aqueous solutions for the treatment of mixed wounds. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: April 12, 2021

2021 journal article

Polyethylenimine-mediated controlled synthesis of Prussian blue-gold nanohybrids for biomedical applications

JOURNAL OF BIOMATERIALS APPLICATIONS, 36(1), 26–35.

By: P. Pandey*, G. Pandey* & R. Narayan n

author keywords: Prussian blue nanoparticles; gold nanoparticles; polyethylenimine; synchronous fluorescence spectroscopy; resonance Rayleigh scattering spectroscopy; non-enzymatic selective sensing
MeSH headings : Ferrocyanides / chemistry; Gold / chemistry; Metal Nanoparticles / chemistry; Polyethyleneimine / chemistry; Polymers; Spectrometry, Fluorescence / methods
TL;DR: It was shown that PEI-protected polycrystalline PBNPs can be synthesized in an acidic medium from the precursor potassium ferricyanide [K3Fe(CN)6] at 60 °C, and PEI concentration-dependent enhancement/quenching of fluorescence/resonance Rayleigh scattering was useful for non-enzymatic detection of serum glucose levels. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: April 5, 2021

2021 review

Recent advances in carbon nanomaterials for biomedical applications: A review

[Review of ]. CURRENT OPINION IN BIOMEDICAL ENGINEERING, 17.

By: P. Riley n & R. Narayan n

author keywords: Graphene; Carbon nanotubes; Drug delivery; Cancer therapy; Antiviral activity
TL;DR: A review on the latest progress involving the use of carbon nanostructures, namely fullerenes, graphene, and carbon nanotubes, for drug delivery, cancer therapy, and antiviral applications is provided. (via Semantic Scholar)
Source: Web Of Science
Added: June 21, 2021

2021 journal article

Role of Q-carbon in nucleation and formation of continuous diamond film

CARBON, 176, 558–568.

By: J. Narayan n, A. Bhaumik*, S. Gupta*, P. Joshi n, P. Riley n & R. Narayan n

author keywords: Continuous epitaxial diamond film; Diamond nucleation and growth; Adhesion of diamond film
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: March 29, 2021

2021 journal article

Synthesis of multifunctional microdiamonds on stainless steel substrates by chemical vapor deposition

CARBON, 171, 739–749.

By: P. Joshi n, A. Haque n, S. Gupta n, R. Narayan n & J. Narayan n

author keywords: Laser annealing; Q-carbon; Diamond thin films; Stress; EBSD; Raman spectroscopy
Sources: Web Of Science, NC State University Libraries
Added: January 19, 2021

2021 article

Translation of laser-based three-dimensional printing technologies

Baldacchini, T., Saksena, J., Sklare, S. C., Vinson, B. T., Huang, Y., Chrisey, D. B., & Narayan, R. J. (2021, February 12). MRS BULLETIN.

By: T. Baldacchini*, J. Saksena*, S. Sklare*, B. Vinson*, Y. Huang*, D. Chrisey*, R. Narayan n

TL;DR: An ex vivo experimental platform for time-lapse imaging of cancer cell dynamics during angiogenesis within a microvascular network, which combines laser direct-write cell printing into the rat mesentery culture model and a model that simulates a 3D in vivo culture. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: March 8, 2021

2021 journal article

Tunable n-Type Conductivity and Transport Properties of Cubic Boron Nitride via Carbon Doping

ACS APPLIED ELECTRONIC MATERIALS, 3(3), 1359–1367.

author keywords: cubic boron nitride; structural analysis; doping; laser melting and ultrafast quenching; pulsed laser deposition; electrical transport properties
Source: Web Of Science
Added: June 10, 2021

2020 journal article

Argon and oxygen plasma treatment increases hydrophilicity and reduces adhesion of silicon-incorporated diamond-like coatings

BIOINTERPHASES, 15(4).

MeSH headings : Animals; Argon / chemistry; Cell Adhesion / drug effects; Cell Line; Cell Survival / drug effects; Coated Materials, Biocompatible / chemical synthesis; Coated Materials, Biocompatible / chemistry; Coated Materials, Biocompatible / pharmacology; Diamond / chemistry; Hydrophobic and Hydrophilic Interactions; Mice; Microscopy, Atomic Force; Oxygen / chemistry; Photoelectron Spectroscopy; Plasma Gases / chemistry; Silicon / chemistry; Surface Properties
TL;DR: The suitability of Si-DLC coatings as inert coatings for medical and biotechnology applications is indicated by the results of the study. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 17, 2020

2020 journal article

Conversion of h-BN into c-BN for tuning optoelectronic properties

MATERIALS ADVANCES, 1(4), 830–836.

Source: Web Of Science
Added: February 22, 2021

2020 journal article

Effect of the Organic Functionality on the Synthesis and Antimicrobial Activity of Silver Nanoparticles

NANO LIFE, 10(3).

author keywords: 3-aminopropyltrimethoxysilane; 3-glycidoxypropyltrimethylsilane; antimicrobial agents; silver nanoparticles; minimum inhibitory concentration; minimum bactericidal concentration; dose-dependent kill kinetics
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 31, 2020

2020 journal article

Electron mobility modulation in graphene oxide by controlling carbon melt lifetime

CARBON, 170, 327–337.

author keywords: Graphene; Molten carbon; Undercooling; Mobility; Raman spectroscopy; Laser annealing; Transmission electron microscopy
Sources: Web Of Science, NC State University Libraries
Added: November 9, 2020

2020 review

Gradient scaffolds for osteochondral tissue engineering and regeneration

[Review of ]. JOURNAL OF MATERIALS CHEMISTRY B, 8(36), 8149–8170.

By: B. Zhang*, J. Huang* & R. Narayan n

MeSH headings : Animals; Bone Regeneration / physiology; Bone and Bones / physiology; Cartilage / physiology; Chondrocytes / physiology; Humans; Mesenchymal Stem Cells / physiology; Osteoblasts / physiology; Porosity; Printing, Three-Dimensional; Tissue Engineering / methods; Tissue Scaffolds / chemistry
TL;DR: An overview of both discrete and continuous gradient OC tissue scaffolds in terms of cell type, scaffold material, microscale structure, mechanical properties, fabrication methods, and scaffold stimuli is provided. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 12, 2020

2020 journal article

Matrix-Assisted Pulsed laser Evaporation-deposited Rapamycin Thin Films Maintain Antiproliferative Activity

INTERNATIONAL JOURNAL OF BIOPRINTING, 6(1), 105–111.

By: R. Cristescu*, I. Negut, A. Visan*, A. Nguyen n, A. Sachan*, P. Goering*, D. Chrisey*, R. Narayan n

author keywords: Rapamycin; Drug delivery; Matrix-assisted pulsed laser evaporation; Thin film
TL;DR: Data indicate that the antiproliferative properties of rapamycin were maintained after MAPLE deposition, and the thickness of the coating that is applied to the surface of the medical device can be tightly controlled. (via Semantic Scholar)
Source: Web Of Science
Added: February 27, 2020

2020 review

Minimally Invasive Platforms in Biosensing

[Review of ]. FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY, 8.

By: P. Pandey*, G. Pandey* & R. Narayan n

author keywords: transdermal biosensing; microfabrication; microfluidics; microneedle; luminescent sensors; fluorescent biosensors
TL;DR: Recent advancements related to minimally invasive platform for biosensing are reviewed and the use of capillary action in microneedle-assisted biosensing may facilitate the detection of analytes in body fluids. (via Semantic Scholar)
Source: Web Of Science
Added: October 5, 2020

2020 journal article

Molecular weight of polyethylenimine-dependent transfusion and selective antimicrobial activity of functional silver nanoparticles

JOURNAL OF MATERIALS RESEARCH, 35(18), 2405–2415.

author keywords: antimicrobial agents; silver nanoparticles; minimum inhibitory concentration; minimum bactericidal concentration
TL;DR: Synthetic cationic polymer-mediated synthesis of silver nanoparticles and selective antimicrobial activity of the same were demonstrated and differential interaction of the cytoplasmic proteins during antimacterial activity was observed. (via Semantic Scholar)
Source: Web Of Science
Added: December 21, 2020

2020 review

Nanostructured Medical Adhesives

[Review of ]. JOURNAL OF BIOMEDICAL NANOTECHNOLOGY, 16(3), 263–282.

By: K. Yang*, R. Boehm*, S. Skoog* & R. Narayan*

author keywords: Adhesive; Laser; Tissue Closure; Photothermal; Photochemical; Nanoparticle; Microbarb; Glue; Tape
MeSH headings : Adhesives; Extracellular Matrix; Lasers; Nanoparticles; Tissue Adhesives
TL;DR: The capability for rapid attachment and release may further reduce surgical procedure time and the novel tissue joining methods aim to provide an adhesive with appropriate strength, non-cytotoxicity, and minimal damage. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: June 29, 2020

2020 article

Nanostructured biomaterials for regenerative medicine: Clinical perspectives

NANOSTRUCTURED BIOMATERIALS FOR REGENERATIVE MEDICINE, pp. 47–80.

By: B. Zhang*, J. Huang* & R. Narayan n

TL;DR: An overview of innovative platform technologies based on nanostructured biomaterials as a function of their material properties as well as their role in tissue engineering and regenerative medicine is provided. (via Semantic Scholar)
Source: Web Of Science
Added: May 26, 2020

2020 journal article

Organotrialkoxysilane-mediated controlled synthesis of noble metal nanoparticles and their impact on selective fluorescence enhancement and quenching

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 38(5).

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 26, 2020

2020 journal article

Organotrialkoxysilane-mediated synthesis of functional noble metal nanoparticles and their bimetallic for electrochemical recognition of L-tryptophan

MRS ADVANCES, 5(46-47), 2429–2444.

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: November 2, 2020

2020 journal article

Physical characterization and in vitro evaluation of 3D printed hydroxyapatite, tricalcium phosphate, zirconia, alumina, and SiAlON structures made by lithographic ceramic manufacturing

MRS ADVANCES, 5(46-47), 2419–2428.

By: A. Nguyen n, P. Goering*, S. Skoog* & R. Narayan n

author keywords: biomaterial; additive manufacturing
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: November 2, 2020

2020 journal article

Rapid and label-free detection of COVID-19 using coherent anti-Stokes Raman scattering microscopy

MRS COMMUNICATIONS, 10(4), 566–572.

By: T. Tabish*, R. Narayan n & M. Edirisinghe*

TL;DR: A promising technique is non-linear coherent anti-Stokes Raman scattering (CARS) microscopy, which has the ability to capture rich spatiotemporal structural and functional information at a high acquisition speed in a label-free manner from a biological system. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: January 4, 2021

2020 review

Solvent-based Extrusion 3D Printing for the Fabrication of Tissue Engineering Scaffolds

[Review of ]. INTERNATIONAL JOURNAL OF BIOPRINTING, 6(1), 28–42.

By: B. Zhang n, R. Cristescu*, D. Chrisey* & R. Narayan n

TL;DR: It is believed that a better understanding of the scaffold fabrication process and assessment methods can improve the functionality of SBE-manufactured 3D printed scaffolds. (via Semantic Scholar)
Source: Web Of Science
Added: February 27, 2020

2020 journal article

Synthesis of self-assembled siloxane-polyindole-gold nanoparticle polymeric nanofluid for biomedical membranes

MRS COMMUNICATIONS, 10(3), 482–486.

TL;DR: The Lewis base character of 3-aminopropyltrimethoxysilane, an imine derivative of siloxane, and an indole monomer were shown to enable the reduction of gold cations in acetone and the formation of gold nanoparticles in the presence of acetone. (via Semantic Scholar)
Source: Web Of Science
Added: November 2, 2020

2020 journal article

The Photoinitiator Lithium Phenyl (2,4,6-Trimethylbenzoyl) Phosphinate with Exposure to 405 nm Light Is Cytotoxic to Mammalian Cells but Not Mutagenic in Bacterial Reverse Mutation Assays

POLYMERS, 12(7).

By: A. Nguyen n, P. Goering*, R. Elespuru*, S. Das* & R. Narayan n

author keywords: lithium phenyl (2; 4; 6-trimethylbenzoyl) phosphinate; gelatin methacryloyl; bioprinting; photoinitiator; light exposure; mutagenicity; cytotoxicity; photorheology
TL;DR: The data indicate that the combination of LAP and free radicals generated from photo-excited LAP is cytotoxic, but mutagenicity was not observed in bacteria under typical bioprinting conditions. (via Semantic Scholar)
Source: Web Of Science
Added: August 17, 2020

2020 journal article

Unified model of field assisted sintering and related phenomena

SCRIPTA MATERIALIA, 176, 117–121.

author keywords: Defect segregation; Enhanced electronic and ionic conduction; Selective joule heating; Flash sintering; Field-assisted phenomena
Source: Web Of Science
Added: December 2, 2019

2019 article

3D Printing in the Biomedical Field

ENCYCLOPEDIA OF BIOMEDICAL ENGINEERING, VOL 2, pp. 275–280.

By: A. Nguyen n, R. Narayan n & A. Shafiee*

TL;DR: 3D printing encompasses multiple fabrication technologies and materials ranging from extrusion to laser processing, and materials such as live cells or metal powders can be processed for applications ranging from soft tissue to rigid prosthetics. (via Semantic Scholar)
Source: Web Of Science
Added: March 30, 2020

2019 review

Current Advancements in Transdermal Biosensing and Targeted Drug Delivery

[Review of ]. SENSORS, 19(5).

By: P. Pandey*, S. Shukla*, S. Skoog n, R. Boehm n & R. Narayan n

author keywords: Iontophoresis; transdermal biosensing; drug delivery; electroporation; microfabrication; microfluidics; microneedle; luminescent sensors; fluorescent biosensors
MeSH headings : Administration, Cutaneous; Animals; Biosensing Techniques / methods; Drug Delivery Systems / methods; Electroporation / methods; Humans; Iontophoresis / methods; Needles; Pharmaceutical Preparations / administration & dosage
TL;DR: In this manuscript, recent advancements in the area of minimally-invasive transdermal biosensing and drug delivery are reviewed and microneedles have emerged as a novel approach to replace hypodermic needles. (via Semantic Scholar)
Source: Web Of Science
Added: April 15, 2019

2019 article

Editorial note to the Special Issue "Advances in Bioceramics"

Baino, F., Marchi, J., & Narayan, R. (2019, September). INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, Vol. 16, pp. 1752–1752.

By: F. Baino*, J. Marchi* & R. Narayan n

Source: Web Of Science
Added: August 19, 2019

2019 journal article

Electrical Transition in Isostructural VO2 Thin-Film Heterostructures

Scientific Reports, 9(1).

TL;DR: This work designs a novel strain-stabilized isostructural VO2 epitaxial thin-film system where the electrical transition occurs without any observable structural transition, and calculates that the strain in monoclinic structure reduces the difference between long and short V-V bond-lengths in monOClinic structures which leads to a systematic decrease in the electronic bandgap of VO2. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: March 1, 2019

2019 journal article

Fabrication of Hollow Metal Microneedle Arrays Using a Molding and Electroplating Method

MRS ADVANCES, 4(24), 1417–1426.

By: P. Miller*, M. Moorman*, R. Boehm n, S. Wolfley*, V. Chavez*, J. Baca*, C. Ashley, I. Brener*, R. Narayan n, R. Polsku

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: June 4, 2019

2019 journal article

Formation and characterization of nano- and microstructures of twinned cubic boron nitride

Physical Chemistry Chemical Physics, 21(4), 1700–1710.

By: A. Bhaumik n & J. Narayan n

TL;DR: It is envisage that the controlled growth of phase-pure nano and microstructures of twinned c-BN and their temperature-dependent Raman-active vibrational mode studies will have a tremendous impact on low-temperature solid-state electrical and mechanical devices. (via Semantic Scholar)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: March 11, 2019

2019 review

Inkjet dispensing technologies: recent advances for novel drug discovery

[Review of ]. EXPERT OPINION ON DRUG DISCOVERY, 14(2), 101–113.

By: S. Machekposhti*, S. Mohaved n & R. Narayan n

author keywords: Inkjet dispensing technology; inkjet printer; drug discovery; drug screening; ink
MeSH headings : Animals; Drug Discovery / methods; Drug Industry / methods; Humans; Pharmaceutical Preparations / administration & dosage; Printing, Three-Dimensional; Technology, Pharmaceutical / methods
TL;DR: Inkjet bioprinting technology is a promising tool for many biological and pharmaceutical applications but several bottlenecks associated with this technology need to be addressed before commercialization. (via Semantic Scholar)
Source: Web Of Science
Added: February 11, 2019

2019 journal article

Microneedle-Based Delivery of Amphotericin B for Treatment of Cutaneous Leishmaniasis

BIOMEDICAL MICRODEVICES, 21(1).

By: A. Nguyen n, K. Yang n, K. Bryant*, J. Li*, A. Joice*, K. Werbovetz*, R. Narayan n

author keywords: Microneedle; Drug delivery; Amphotericin B; Leishmaniasis
MeSH headings : Amphotericin B / pharmacology; Animals; Drug Delivery Systems / instrumentation; Drug Delivery Systems / methods; Female; Leishmania mexicana / metabolism; Leishmaniasis, Cutaneous / drug therapy; Leishmaniasis, Cutaneous / metabolism; Leishmaniasis, Cutaneous / pathology; Mice; Mice, Inbred BALB C; Needles
TL;DR: The results show the promise of topical delivery of amphotericin B via microneedles in treating relatively small nodules caused by L. mexicana and show the limitations of the approach against a disseminated L. major infection. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: January 21, 2019

2019 article

Optical Fiber Based In-Vivo Oxidative Stress Biosensor

BIOPHOTONICS AUSTRALASIA 2019, Vol. 11202.

By: R. Kostecki*, B. Zhang n, A. El Habti*, A. Arman*, M. Hutchinson*, P. Tricker*, D. Fleury*, R. Narayan n, H. Ebendorff-Heidepriem*

author keywords: Oxidative stress; Oxygen metabolism; Redox balance; Biological sensing; Optical sensing; Biosensor
TL;DR: Preliminary results of an optical fiber based reversible in-vivo biosensor for understanding redox balance within living systems are shown. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: June 8, 2020

2019 review

Physics of bioprinting

[Review of ]. APPLIED PHYSICS REVIEWS, 6(2).

By: A. Shafiee*, E. Ghadiri*, H. Ramesh n, C. Kengla*, J. Kassis*, P. Calvert*, D. Williams*, A. Khademhosseini* ...

TL;DR: The physics that underpins the most commonly employed approaches, such as extrusion, laser-based, and inkjet bioprinting are reviewed and an overview of the relevant parameters, their inter-relationships, and the equations that govern the various printing processes are provided. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 29, 2019

2019 journal article

Planar Hall effect and anisotropic magnetoresistance in semiconducting and conducting oxide thin films

Applied Physics A, 125(5).

By: C. Akouala n, R. Kumar n, S. Punugupati n, C. Reynolds n, J. Reynolds n, E. Mily n, J. Maria n, J. Narayan n, F. Hunte n

Sources: Web Of Science, Crossref, NC State University Libraries
Added: April 22, 2019

2019 journal article

Sintered Tape-cast 3YSZ Supports Human Bone Marrow Derived Stem Cell Osteogenic Differentiation

MRS ADVANCES, 4(46-47), 2541–2549.

By: A. Nguyen n, P. Goering*, J. Olenick, K. Olenick & R. Narayan n

author keywords: biomaterial; ceramic; nano-indentation; bone
TL;DR: This method for producing a YSZ ceramic yields a typical material of this type and supports attachment and differentiation of hBMSC; thus, making it useful as a bone implant material. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: Web Of Science
Added: December 30, 2019

2019 journal article

Structure–property correlations in phase-pure B-doped Q-carbon high-temperature superconductor with a record Tc = 55 K

Nanoscale, 11(18), 9141–9154.

By: A. Bhaumik n & J. Narayan n

TL;DR: The detailed structure-property correlations in phase-pure B-doped Q-carbon high-temperature superconductor having a superconducting transition temperature (Tc) of 55 K indicate its practical applications in frictionless motors and high-speed electronics. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, Crossref, NC State University Libraries
Added: June 17, 2019

2019 journal article

Toxicity and photosensitizing assessment of gelatin methacryloyl-based hydrogels photoinitiated with lithium phenyl-2,4,6-trimethylbenzoylphosphinate in human primary renal proximal tubule epithelial cells

BIOINTERPHASES, 14(2).

By: A. Nguyen n, P. Goering n, V. Reipa n & R. Narayan n

MeSH headings : Biocompatible Materials / chemical synthesis; Biocompatible Materials / toxicity; Cell Survival / drug effects; Cells, Cultured; Elasticity; Epithelial Cells / drug effects; Gelatin / chemistry; Gelatin / toxicity; Humans; Hydrogels / chemical synthesis; Hydrogels / toxicity; Lithium / toxicity; Materials Testing; Phosphinic Acids / toxicity; Polyhydroxyethyl Methacrylate / chemical synthesis; Polyhydroxyethyl Methacrylate / toxicity; Tissue Scaffolds
TL;DR: Complete cross-linking of all formulations decreased photocatalytic activity while maintaining predictable final elastic moduli, and differences in cytotoxicity evaluation determined from the two viability assays imply cell membrane damage and should be investigated further. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: May 20, 2019

2019 journal article

Tunable charge states of nitrogen-vacancy centers in diamond for ultrafast quantum devices

Carbon, 142, 662–672.

By: A. Bhaumik n, R. Sachan n & J. Narayan n

author keywords: NV-diamond; Raman spectroscopy; Electron energy-loss spectroscopy; Non-equilibrium synthesis
UN Sustainable Development Goal Categories
Sources: Web Of Science, Crossref, NC State University Libraries
Added: December 17, 2018

2018 article

Additive Manufacturing for Tissue Engineering

3D PRINTING AND BIOFABRICATION, pp. 3–54.

By: S. Miar*, A. Shafiee*, T. Guda* & R. Narayan n

Source: Web Of Science
Added: October 21, 2019

2018 review

Biological responses to immobilized microscale and nanoscale surface topographies

[Review of ]. PHARMACOLOGY & THERAPEUTICS, 182, 33–55.

author keywords: Nanotechnology; Nanostructure; Surface topography; Cell-material interactions; Biomaterial; Medical devices
MeSH headings : Biocompatible Materials; Cell Physiological Phenomena; Humans; Surface Properties; Tissue Engineering / methods; Topography, Medical
TL;DR: The goal of this work was to review studies investigating the effects of microstructured and nanostructured biomaterials on in vitro biological responses through fabrication of microscale and nanoscale surface topographies, physico‐chemical characterization of material surface properties, investigation of protein adsorption dynamics, and evaluation of cellular responses in specific biomedical applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2018 journal article

Editorial

Medical Devices & Sensors, 1(1), e10009.

By: R. Narayan n

Source: Crossref
Added: December 15, 2020

2018 journal article

Ultrananocrystalline diamond-coated nanoporous membranes support SK-N-SH neuroblastoma endothelial cell attachment

INTERFACE FOCUS, 8(3).

author keywords: ultrananocrystalline diamond; nanoporous membrane; reactive ion etching; biocompatibility
TL;DR: Attachment of SK-N-SH cells onto UNCD membranes on both porous regions and solid surfaces was shown, indicating the potential use of UN CD membranes in biomedical applications such as biosensors and tissue engineering scaffolds. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Additive manufacturing for regenerative medicine: Where do we go from here?

Current Opinion in Biomedical Engineering, 2, iii-v.

By: C. Bouten*, S. Ramakrishna* & R. Narayan n

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: Crossref
Added: December 15, 2020

2017 journal article

Analytical methods for detection of Zika virus

MRS COMMUNICATIONS, 7(2), 121–130.

By: K. Yang n & R. Narayan n

TL;DR: Three diagnostic methods for ZIKV are considered and a recently developed programmable paper-based detection approach can provide low-cost and rapid analysis. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Controlled synthesis of polyethylenimine coated gold nanoparticles: Application in glutathione sensing and nucleotide delivery

JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS, 105(5), 1191–1199.

By: P. Pandey*, G. Pandey* & R. Narayan n

author keywords: rapid synthesis of AuNPs; polyethylenimine; pH and salt resistive AuNPs; biocatalysis and nucleotide delivery
MeSH headings : Coated Materials, Biocompatible / chemical synthesis; Coated Materials, Biocompatible / chemistry; Delayed-Action Preparations / chemical synthesis; Delayed-Action Preparations / chemistry; Delayed-Action Preparations / pharmacokinetics; Glutathione / chemistry; Gold / chemistry; Metal Nanoparticles / chemistry; Nucleotides / chemistry; Nucleotides / pharmacokinetics; Polyethyleneimine / chemistry
TL;DR: The role of polyethylenimine (PEI) in controlled synthesis of AuNPs under ambient conditions which has potentiality for sensing glutathione and selective interaction with DNA binding proteins facilitating endosomal escape for the nucleotide delivery is reported. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Effects of nanotopography on the in vitro hemocompatibility of nanocrystalline diamond coatings

JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A, 105(1), 253–264.

By: S. Skoog n, Q. Lu*, R. Malinauskas*, A. Sumant*, J. Zheng*, P. Goering*, R. Narayan n, B. Casey*

author keywords: nanocrystalline diamond; hemocompatibility; cardiovascular devices; nanostructured topography; blood
MeSH headings : Adult; Blood Coagulation / drug effects; Blood Platelets / metabolism; Coated Materials, Biocompatible / chemistry; Coated Materials, Biocompatible / pharmacology; Female; Humans; Male; Materials Testing; Nanodiamonds / chemistry; Partial Thromboplastin Time; Platelet Adhesiveness / drug effects
TL;DR: The two tested NCD coatings, regardless of nanotopography, had similar hemocompatibility profiles compared to the negative control material (HDPE) and should be further evaluated for use in blood-contacting medical devices. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Liquid-Phase Laser Induced Forward Transfer for Complex Organic Inks and Tissue Engineering

Annals of Biomedical Engineering, 45(1), 84–99.

By: A. Nguyen* & R. Narayan*

author keywords: Laser induced forward transfer; Cell printing; Regenerative medicine; Tissue engineering
MeSH headings : Animals; Humans; Lasers; Tissue Engineering / instrumentation; Tissue Engineering / methods
Source: Crossref
Added: January 14, 2021

2017 journal article

Nanosilver-PMMA composite coating optimized to provide robust antibacterial efficacy while minimizing human bone marrow stromal cell toxicity

Toxicology in Vitro, 44, 248–255.

By: P. Petrochenko*, J. Zheng*, B. Casey*, M. Bayati n, R. Narayan n & P. Goering*

author keywords: PMMA; Silver nanoparticles; Antibacterial; Pulsed laser deposition (PLD); Metal leaching
MeSH headings : Anti-Bacterial Agents / administration & dosage; Anti-Bacterial Agents / chemistry; Apoptosis / drug effects; Biocompatible Materials / administration & dosage; Biocompatible Materials / chemistry; Cell Survival / drug effects; Drug Liberation; Escherichia coli / drug effects; Escherichia coli / growth & development; Humans; Mesenchymal Stem Cells / drug effects; Metal Nanoparticles / administration & dosage; Metal Nanoparticles / chemistry; Metal Nanoparticles / ultrastructure; Microscopy, Electron, Scanning; Necrosis / chemically induced; Polymethyl Methacrylate / administration & dosage; Polymethyl Methacrylate / chemistry; Silver / administration & dosage; Silver / chemistry
TL;DR: Examining both leachates and direct cell contact allowed us to develop an in vitro cytotoxicity test method and optimize a novel device material and coating to be nontoxic and bactericidal during both potential initial implantation and external use. (via Semantic Scholar)
Source: Crossref
Added: December 15, 2020

2017 journal article

Neutron-activatable needles for radionuclide therapy of solid tumors

JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A, 105(12), 3273–3280.

By: J. Kim*, R. Narayan n, X. Lu* & M. Jay*

author keywords: neutron-activation; brachytherapy; rhenium-molybdenum alloy; pulsed laser deposition; chemical vapor deposition
MeSH headings : Brachytherapy / instrumentation; Coated Materials, Biocompatible / chemistry; Drug Delivery Systems / instrumentation; Equipment Design; Holmium / chemistry; Humans; Molybdenum / chemistry; Needles; Neoplasms / radiotherapy; Neutrons; Rhenium / chemistry; Titanium / chemistry; Transdermal Patch
TL;DR: These coated neutron-activatable needles offer a new approach to internal radiation therapy of tumors that allows precise tailoring of the absorbed radiation dose delivered to the tumor by controlling the coating thickness and the irradiation time. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2017 article

Polyethylenimine-mediated synthetic insertion of gold nanoparticles into mesoporous silica nanoparticles for drug loading and biocatalysis

Pandey, P. C., Pandey, G., & Narayan, R. J. (2017, March). BIOINTERPHASES, Vol. 12.

By: P. Pandey*, G. Pandey* & R. Narayan n

MeSH headings : Biocatalysis; Drug Carriers / chemistry; Drug Carriers / metabolism; Formaldehyde / metabolism; Gold; Hydrophobic and Hydrophilic Interactions; Microscopy, Electron, Scanning; Microscopy, Electron, Transmission; Nanoparticles / chemistry; Nanoparticles / metabolism; Polyethyleneimine / metabolism; Silicon Dioxide; Spectrometry, X-Ray Emission; Surface Properties; Temperature
TL;DR: A new synthetic route for the synthesis of gold nanoparticles (AuNPs) within (1) unmodified MSNPs and (2) 3-trihydroxysilylpropyl methylphosphonate-modifiedMSNPs is reported, indicating the potential use of the AuNP-inserted MSNps in biocatalysis and drug delivery. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Room Temperature Growth of Epitaxial Titanium Nitride Films by Pulsed Laser Deposition

Crystal Growth & Design, 17(12), 6634–6640.

By: D. Rasic n, R. Sachan n, M. Chisholm*, J. Prater & J. Narayan n

Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2017 journal article

Two-photon polymerization for biological applications

MATERIALS TODAY, 20(6), 314–322.

By: A. Nguyen n & R. Narayan n

TL;DR: Current research into TPA-sensitive photopolymers with good biocompatibility and holographic projections using spatial light modulators address current technological limitations by providing materials specifically formulated for biological applications and by making better use of available laser power for applications in which nanoscale resolution is not required. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2017 article

ZnO wide bandgap semiconductors preparation for optoelectronic devices

INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS FOR BETTER FUTURE 2016, Vol. 176.

By: A. Ramelan*, S. Wahyuningsih*, H. Munawaroh* & R. Narayan n

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Antimicrobial activity of biopolymeric thin films containing flavonoid natural compounds and silver nanoparticles fabricated by MAPLE: A comparative study

Applied Surface Science, 374, 290–296.

By: R. Cristescu*, A. Visan*, G. Socol*, A. Surdu*, A. Oprea*, A. Grumezescu*, M. Chifiriuc*, R. Boehm* ...

author keywords: Flavonoid; Quercetin dihydrate; Resveratrol; Biopolymer; Silver nanoparticle; Matrix assisted pulsed laser evaporation; Antimicrobial activity
Source: Crossref
Added: January 14, 2021

2016 journal article

Biological Response of Human Bone Marrow-Derived Mesenchymal Stem Cells to Commercial Tantalum Coatings with Microscale and Nanoscale Surface Topographies

JOM, 68(6), 1672–1678.

By: S. Skoog n, G. Kumar*, P. Goering*, B. Williams*, J. Stiglich* & R. Narayan n

TL;DR: Commercial tantalum coatings with nanoscale, sub-microscale, and microscale surface topographies for orthopaedic and dental applications using human bone marrow-derived mesenchymal stem cells are evaluated to optimize the surface coating features to promote osteogenesis and enhance osseointegration of tantalum-based orthopointedic implants. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Biological evaluation of ultrananocrystalline and nanocrystalline diamond coatings

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE, 27(12).

MeSH headings : Bone Marrow Cells / cytology; Cell Proliferation; Cell Survival; Coated Materials, Biocompatible / chemistry; Diamond / chemistry; Humans; Mesenchymal Stem Cells / cytology; Microscopy, Atomic Force; Microscopy, Electron, Scanning; Microscopy, Fluorescence; Microwaves; Nanoparticles / chemistry; Nanostructures / chemistry; Polystyrenes / chemistry; Silicon / chemistry; Spectrum Analysis, Raman; Surface Properties
TL;DR: Evaluated UNCD and NCD coatings demonstrate in vitro biocompatibility irrespective of surface topography, and cell viability, proliferation, and morphology responses of human bone marrow-derived mesenchymal stem cells to UNCDand NCD surfaces were evaluated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Discovery of Q-phases and direct conversion of carbon into diamond and h-BN into c-BN

Advanced Materials & Processes, 174(3), 24–28.

By: J. Narayan, A. Bhaumik & R. Narayan

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Inkjet deposition of itraconazole onto poly(glycolic acid) microneedle arrays

BIOINTERPHASES, 11(1).

By: R. Boehm n, P. Jaipan n, S. Skoog n, S. Stafslien*, L. VanderWal* & R. Narayan n

MeSH headings : Animals; Antifungal Agents / chemistry; Antifungal Agents / pharmacokinetics; Antifungal Agents / pharmacology; Candida albicans / drug effects; Drug Carriers / chemistry; Itraconazole / chemistry; Itraconazole / pharmacokinetics; Itraconazole / pharmacology; Polyglycolic Acid / chemistry; Skin / chemistry; Swine
TL;DR: Poly(glycolic acid) microneedle arrays were fabricated using a drawing lithography process; these arrays were modified with a drug release agent and an antifungal agent by piezoelectric inkjet printing. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Microneedle-based sensors for medical diagnosis

JOURNAL OF MATERIALS CHEMISTRY B, 4(8), 1379–1383.

By: P. Miller*, R. Narayan n & R. Polsky*

TL;DR: A general overview of recent progress in microneedle-based sensing research is provided, including: (a) glucose monitoring, (b) ex vitro microneedsle diagnostic systems for general health monitoring with an emphasis on sensor construction, and (c) in vivo use of microneEDle sensors. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Towards an Integrated Microneedle Total Analysis Chip for Protein Detection

ELECTROANALYSIS, 28(6), 1305–1310.

By: P. Miller*, M. Moorman*, R. Manginell*, C. Ashlee*, I. Brener*, D. Wheeler*, R. Narayan n, R. Polsky*

author keywords: lab-on-chip; biosensor; immunoassay; microneedle; myoglobin; troponin
TL;DR: The results presented here provide an important proof-of-concept demonstration of integration of microneedles with a microchip platform containing fluidic channels and electrode transducers that may be used to extract interstitial fluid and monitor biologically important molecules. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Use of Drawing Lithography-Fabricated Polyglycolic Acid Microneedles for Transdermal Delivery of Itraconazole to a Human Basal Cell Carcinoma Model Regenerated on Mice

JOM, 68(4), 1128–1133.

By: J. Zhang*, Y. Wang*, J. Jin*, S. Degan*, R. Hall*, R. Boehm n, P. Jaipan n, R. Narayan n

TL;DR: Preliminary results indicate that microneedles may be used to facilitate transdermal delivery of itraconazole for localized treatment of BCC. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Crossref
Added: January 14, 2021

2015 journal article

Electrodeposited Iron as a Biocompatible Material for Microneedle Fabrication

ELECTROANALYSIS, 27(9), 2239–2249.

By: P. Miller n, R. Boehm n, S. Skoog n, T. Edwards*, M. Rodriguez*, S. Brozik*, I. Brener*, T. Byrd* ...

author keywords: Microneedle; Electroplating; Coating; Iron
TL;DR: Iron coatings proved to significantly improve the strength of the hollow polymer microneedles and sustained structural integrity up to 7 insertions into porcine skin without bending. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Laser 3D Printing with Sub-Microscale Resolution of Porous Elastomeric Scaffolds for Supporting Human Bone Stem Cells

Advanced Healthcare Materials, 4(5), 739–747.

By: P. Petrochenko*, J. Torgersen*, P. Gruber*, L. Hicks*, J. Zheng*, G. Kumar*, R. Narayan*, P. Goering* ...

MeSH headings : Biomechanical Phenomena; Cell Proliferation / drug effects; Cell Survival / drug effects; Cells, Cultured; Elasticity; Elastomers / chemistry; Elastomers / pharmacology; Humans; Mesenchymal Stem Cells / cytology; Porosity; Printing, Three-Dimensional; Tissue Engineering / methods; Tissue Scaffolds / chemistry
Source: Crossref
Added: January 14, 2021

2015 journal article

Microbial colonization of biopolymeric thin films containing natural compounds and antibiotics fabricated by MAPLE

Applied Surface Science, 336, 234–239.

By: R. Cristescu*, A. Surdu*, A. Grumezescu*, A. Oprea*, R. Trusca*, O. Vasile*, G. Dorcioman*, A. Visan* ...

author keywords: Flavonoid; Biopolymer, Matrix assisted pulsed laser evaporation, Antimicrobial activity
Source: Crossref
Added: January 14, 2021

2015 journal article

Nitrogen-incorporated ultrananocrystalline diamond microneedle arrays for electrochemical biosensing

Diamond and Related Materials, 54, 39–46.

By: S. Skoog n, P. Miller n, R. Boehm n, A. Sumant*, R. Polsky* & R. Narayan n

author keywords: Nanocrystalline diamond; Microneedles; Electrochemistry; Biosensor
TL;DR: The application potential of N-UNCD-coated titanium alloy microneedle arrays with nitrogen-incorporated ultrananocrystalline diamond coatings for transdermal electrochemical biosensing applications is demonstrated. (via Semantic Scholar)
Source: Crossref
Added: January 14, 2021

2015 journal article

Osteogenic Differentiation of Human Mesenchymal Stem Cells in 3-D Zr-Si Organic-Inorganic Scaffolds Produced by Two-Photon Polymerization Technique

PLOS ONE, 10(2).

By: A. Koroleva*, A. Deiwick*, A. Nguyen n, S. Schlie-Wolter*, R. Narayan n, P. Timashev*, V. Popov, V. Bagratashvili, B. Chichkov*

MeSH headings : Adipose Tissue / cytology; Alkaline Phosphatase / metabolism; Calcium / metabolism; Cell Culture Techniques / methods; Cell Differentiation; Cell Proliferation; Cells, Cultured; Chemistry Techniques, Synthetic / methods; Elastic Modulus; Hardness; Humans; Inorganic Chemicals / chemistry; Mesenchymal Stem Cells / cytology; Mesenchymal Stem Cells / metabolism; Mesenchymal Stem Cells / ultrastructure; Microscopy, Electron, Scanning; Organic Chemicals / chemistry; Osteocalcin / metabolism; Osteogenesis; Polymerization; Reproducibility of Results; Silicon / chemistry; Stem Cells / cytology; Stem Cells / metabolism; Stem Cells / ultrastructure; Time Factors; Tissue Engineering / methods; Tissue Scaffolds / chemistry; Zirconium / chemistry
TL;DR: Analysis of ALP activity, osteocalcin staining and SEM observations of matrix mineralization reveal that mesenchymal stem cells cultured on 3-D scaffolds without osteogenic stimulation spontaneously differentiate towards osteogenic lineage. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Polyglycolic acid microneedles modified with inkjet-deposited antifungal coatings

BIOINTERPHASES, 10(1).

By: R. Boehm n, J. Daniels*, S. Stafslien*, A. Nasir*, J. Lefebvre* & R. Narayan n

MeSH headings : Antifungal Agents / pharmacology; Bacteria / drug effects; Candida albicans / drug effects; Drug Carriers; Microbial Sensitivity Tests; Polyglycolic Acid; Surface Properties; Technology, Pharmaceutical / methods
TL;DR: Piezoelectric inkjet printing may be useful for loading transdermal drug delivery devices such as polyglycolic acid microneedles with antifungal pharmacologic agents and other pharmacologicagents with poor solubility in aqueous solutions. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Biochemical Properties of Tissue-Engineered Cartilage

JOURNAL OF CRANIOFACIAL SURGERY, 25(1), 111–115.

By: A. Pappa, M. Caballero n, R. Dennis, M. Skancke*, R. Narayan n, J. Dahl, J. Aalst

author keywords: Mesenchymal stem cells; chondrogenesis; microtia; nanofibers; tissue engineering; fibrillin; elastin
MeSH headings : Calcium / chemistry; Calcium-Binding Proteins / chemistry; Cartilage / chemistry; Chondrogenesis / physiology; Collagen Type I / chemistry; Collagen Type II / chemistry; Collagen Type X / chemistry; Ear Auricle / abnormalities; Ear Cartilage / chemistry; Elastin / chemistry; Extracellular Matrix Proteins / chemistry; Fibrillins; Glycosaminoglycans / chemistry; Humans; Image Processing, Computer-Assisted / methods; Mesenchymal Stem Cells / physiology; Microfilament Proteins / chemistry; Ribs / chemistry; Tissue Engineering / methods; Umbilical Cord / cytology
TL;DR: TE cartilage appears to recapitulate the embryonic development of fibrillin III, which is not expressed in adult tissue, possibly providing a strategy to control TE elastic cartilage phenotype. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2014 article

Biological, Electronic, and Functional Thin Films

Narayan, R. (2014, April). JOM, Vol. 66, pp. 588–589.

By: R. Narayan n

Source: Web Of Science
Added: August 6, 2018

2014 journal article

Cytotoxic evaluation of nanostructured zinc oxide (ZnO) thin films and leachates

TOXICOLOGY IN VITRO, 28(6), 1144–1152.

author keywords: Zinc oxide (ZnO); Surface toxicity; Metal leaching; Nanoroughness; Pulsed laser deposition; Macrophage
MeSH headings : Animals; Apoptosis / drug effects; Cell Line; Cell Survival / drug effects; Mice; Nanostructures / chemistry; Nanostructures / toxicity; Necrosis; Zinc Oxide / chemistry; Zinc Oxide / toxicity
TL;DR: ZnO coatings may produce gradual ion release which becomes toxic after a certain level and should be evaluated using both direct exposure and extraction methods, indicating a tolerable concentration. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Diagnostic Devices: Microneedle-Based Transdermal Sensor for On-Chip Potentiometric Determination of K+(Adv. Healthcare Mater. 6/2014)

Advanced Healthcare Materials, 3(6), 948–948.

By: P. Miller n, X. Xiao*, I. Brener*, D. Burckel*, R. Narayan n & R. Polsky*

Source: Crossref
Added: January 14, 2021

2014 journal article

Growth of Zircone on Nanoporous Alumina Using Molecular Layer Deposition

JOM, 66(4), 649–653.

By: R. Hall*, S. George*, Y. Kim*, W. Hwang*, M. Samberg n, N. Monteiro-Riviere n, R. Narayan n

Contributors: R. Hall*, S. George*, Y. Kim*, W. Hwang*, M. Samberg n, N. Monteiro-Riviere n, R. Narayan n

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

High-aspect-ratio nanoporous membranes made by reactive ion etching and e-beam and interference lithography

MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS, 20(10-11), 1797–1802.

By: R. Divan*, O. Makarova, S. Skoog n, R. Narayan n, A. Sumant*, C. Tang*, N. Moldovan*

Source: Web Of Science
Added: August 6, 2018

2014 journal article

Inkjet printing for pharmaceutical applications

MATERIALS TODAY, 17(5), 247–252.

By: R. Boehm n, P. Miller n, J. Daniels*, S. Stafslien* & R. Narayan n

TL;DR: Piezoelectric inkjet printing may be used to load microneedles and other drug delivery devices with pharmacologic agents and showed biodegradation and antifungal activity against the organism Candida albicans on Sabouraud dextrose agar using an in vitro agar plating method. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2014 journal article

MIP-based electrochemical protein profiling

Sensors and Actuators B: Chemical, 204, 88–95.

By: L. Bueno*, H. El-Sharif*, M. Salles*, R. Boehm, R. Narayan*, T. Paixão*, S. Reddy*

author keywords: Biosensors; Electrochemical protein detection; Molecularly imprinted polymers; Pattern recognition; Modified electrodes; Electronic tongue
Source: Crossref
Added: January 14, 2021

2014 journal article

Microneedle-Based Transdermal Sensor for On-Chip Potentiometric Determination of K+

ADVANCED HEALTHCARE MATERIALS, 3(6), 876–881.

By: P. Miller n, X. Xiao*, I. Brener*, D. Burckel*, R. Narayan n & R. Polsky*

MeSH headings : Biosensing Techniques; Carbon / chemistry; Electrochemical Techniques / instrumentation; Graphite / chemistry; Ion-Selective Electrodes; Ions / chemistry; Microfluidic Analytical Techniques; Porosity; Potassium / analysis
TL;DR: 3D porous carbon and 3D porous graphene electrodes, made via interference lithography, are compared as solid‐state transducers for ISE's and evaluated for electrochemical performance, stability, and selectivity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Microneedle-based self-powered glucose sensor

Electrochemistry Communications, 47, 58–62.

By: G. Valdés-Ramírez*, Y. Li*, J. Kim*, W. Jia*, A. Bandodkar*, R. Nuñez-Flores*, P. Miller n, S. Wu* ...

Contributors: G. Valdés-Ramírez*, Y. Li*, J. Kim*, W. Jia*, A. Bandodkar*, R. Nuñez-Flores*, P. Miller n, S. Wu* ...

author keywords: Microneedle array; Glucose; Self-powered sensor; Biofuel cell
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, Crossref, NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

Simultaneous Detection of Dopamine, Ascorbic Acid and Uric Acid at Lithographically-Defined 3D Graphene Electrodes

ELECTROANALYSIS, 26(1), 52–56.

By: X. Xiao*, P. Miller n, R. Narayan n, S. Brozik*, D. Wheeler*, I. Brener*, J. Wang*, D. Burckel*, R. Polsky*

author keywords: Dopamine; Ascorbic acid; Uric acid; Graphene electrodes
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Stereolithography in tissue engineering

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE, 25(3), 845–856.

By: S. Skoog*, P. Goering* & R. Narayan n

MeSH headings : Guided Tissue Regeneration / instrumentation; Imaging, Three-Dimensional / methods; Photography / methods; Prosthesis Design / instrumentation; Prosthesis Design / methods; Tissue Engineering / instrumentation; Tissue Engineering / methods; Tissue Scaffolds
TL;DR: Use of stereolithography for processing trimethylene carbonate, polycaprolactone, and poly(d,l-lactide) poly(propylene fumarate)-based materials is considered, and incorporation of bioceramic fillers for fabrication of biOCeramic scaffolds is reviewed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Strain induced ferromagnetism in epitaxial Cr2O3 thin films integrated on Si(001)

Applied Physics Letters, 105(13), 132401.

UN Sustainable Development Goal Categories
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2014 review

Transdermal Delivery of Insulin via Microneedles

[Review of ]. JOURNAL OF BIOMEDICAL NANOTECHNOLOGY, 10(9), 2244–2260.

By: R. Narayan*

author keywords: Diabetes Mellitus; Insulin; Transdermal Delivery; Intradermal Delivery; Microneedle; Nanomaterials
MeSH headings : Administration, Cutaneous; Animals; Drug Delivery Systems / instrumentation; Humans; Insulin / administration & dosage; Microinjections / instrumentation; Needles
TL;DR: The efforts of academic and industrial researchers over the past decade to examine the functionality of microneedles for delivery of insulin, including insulin-containing nanomaterials, via in vitro, ex vivo, and in vivo studies are considered are considered. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Two-photon polymerization of 3-D zirconium oxide hybrid scaffolds for long-term stem cell growth

BIOINTERPHASES, 9(2).

MeSH headings : Biocompatible Materials / chemistry; Biocompatible Materials / pharmacology; Bone Marrow Cells / cytology; Cell Adhesion / drug effects; Cell Culture Techniques; Cell Proliferation / drug effects; Cells, Cultured; Humans; Mesenchymal Stem Cells / cytology; Methacrylates / chemistry; Photons; Polymerization; Silanes / chemistry; Zirconium / chemistry
TL;DR: It is indicated that two-photon polymerization may be used to create microstructured scaffolds out of an inorganic-organic zirconium oxide hybrid material for use in 3-D tissue culture systems. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Two-photon polymerization/micromolding of microscale barbs for medical applications

Journal of Adhesion Science and Technology, 28(3-4), 387–398.

By: R. Boehm n, B. Chen n, S. Gittard n, B. Chichkov n, N. Monteiro-Riviere n, A. Nasir*, R. Narayan n

Contributors: R. Boehm n, B. Chen n, S. Gittard n, B. Chichkov n, N. Monteiro-Riviere n, A. Nasir*, R. Narayan n

author keywords: tissue barb; wound sealant; two-photon polymerization; micromolding; indirect rapid prototyping
TL;DR: The results suggest that two-photon polymerization/micromolding is an indirect rapid prototyping approach that may be used for high-throughput replication of tissue barbs and other microstructured solid wound sealants. (via Semantic Scholar)
Sources: Crossref, Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2013 article

Antimicrobial activity of biopolymer-antibiotic thin films fabricated by advanced pulsed laser methods

Cristescu, R., Popescu, C., Dorcioman, G., Miroiu, F. M., Socol, G., Mihailescu, I. N., … Chrisey, D. B. (2013, August 1). APPLIED SURFACE SCIENCE, Vol. 278, pp. 211–213.

By: R. Cristescu, C. Popescu, G. Dorcioman, F. Miroiu, G. Socol, I. Mihailescu, S. Gittard*, P. Miller* ...

author keywords: Poly(D,L-lactide); Gentamicin; Matrix assisted pulsed laser evaporation; Drug delivery; Antimicrobial activity
TL;DR: The studies indicate that polymer–drug composite thin films prepared by MAPLE may be used to impart antimicrobial activity to implants, medical devices, and other contact surfaces. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2013 article

Big possibilities for small scale implants

Narayan, R. J. (2013, June). MATERIALS TODAY, Vol. 16, pp. 204–205.

By: R. Narayan n

Source: Web Of Science
Added: August 6, 2018

2013 journal article

Correlation between structure and semiconductor-to-metal transition characteristics of VO2/TiO2/sapphire thin film heterostructures

ACTA MATERIALIA, 61(20), 7805–7815.

By: M. Bayati n, R. Molaei n, F. Wu n, J. Budai*, Y. Liu*, R. Narayan n, J. Narayan n

author keywords: VO2; TiO2; Epitaxy; Strain; Semiconductor-to-metal transition
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Inkjet Printing of Amphotericin B onto Biodegradable Microneedles Using Piezoelectric Inkjet Printing

JOM, 65(4), 525–533.

By: R. Boehm n, P. Miller n, W. Schell*, J. Perfect* & R. Narayan n

TL;DR: Results of this study suggest that a combination of visible light dynamic mask microstereolithography, micromolding, and piezoelectric inkjet printing may be used to prepare amphotericin B-loaded microneedles with antifungal properties. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Low-temperature processing and control of structure and properties of TiO2/c-sapphire epitaxial heterostructures

JOURNAL OF MATERIALS RESEARCH, 28(13), 1669–1679.

By: M. Bayati n, S. Joshi*, R. Narayan* & J. Narayan*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Prevention of Ultraviolet (UV)-Induced Surface Damage and Cytotoxicity of Polyethersulfone Using Atomic Layer Deposition (ALD) Titanium Dioxide

JOM, 65(4), 550–556.

By: P. Petrochenko*, G. Scarel n, G. Hyde n, G. Parsons n, S. Skoog*, Q. Zhang*, P. Goering*, R. Narayan n

Contributors: P. Petrochenko*, G. Scarel n, G. Hyde n, G. Parsons n, S. Skoog*, Q. Zhang*, P. Goering*, R. Narayan n

TL;DR: The results indicate that ALD of TiO2 thin films is a useful technique to protect polymers from UV damage and to retain low cytotoxicity to macrophages and other types of cells that are involved in wound healing. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Crossref, Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 article

Recent Developments in Functional Thin Films

Narayan, R. J. (2013, April). JOM, Vol. 65, pp. 517–518.

By: R. Narayan n

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Role of substrate crystallographic characteristics on structure and properties of rutile TiO2 epilayers

Journal of Applied Physics, 114(4), 044314.

By: M. Bayati n, R. Molaei n, J. Budai*, R. Narayan n & J. Narayan n

UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries
Added: January 14, 2021

2013 journal article

The effects of geometry on skin penetration and failure of polymer microneedles

JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY, 27(3), 227–243.

By: S. Gittard n, B. Chen n, H. Xu n, A. Ovsianikov*, B. Chichkov*, N. Monteiro-Riviere n, R. Narayan n

Contributors: S. Gittard n, B. Chen n, H. Xu n, A. Ovsianikov*, B. Chichkov*, N. Monteiro-Riviere n, R. Narayan n

author keywords: microneedle; micromolding; acrylate-based polymer; porcine skin
TL;DR: Video captured during skin penetration revealed that microneedle penetration into the skin occurred by means of a series of insertions and not by Means of a single insertion event, shedding insight into the mechanisms of microneEDle penetration and failure, facilitating design improvements for polymer microneeds. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2013 journal article

Thin-Film Epitaxy and Enhancement of Photocatalytic Activity of Anatase/Zirconia Heterostructures by Nanosecond Excimer Laser Treatment

JOURNAL OF PHYSICAL CHEMISTRY C, 117(14), 7138–7147.

By: M. Bayati n, H. Alipour n, S. Joshi*, R. Molaei n, R. Narayan n, J. Narayan n, S. Misture*

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2013 journal article

Ultrafast switching in wetting properties of TiO2/YSZ/Si(001) epitaxial heterostructures induced by laser irradiation

Journal of Applied Physics, 113(6), 063706.

By: M. Bayati n, S. Joshi*, R. Molaei n, R. Narayan n & J. Narayan n

UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries
Added: January 14, 2021

2012 journal article

Antibacterial activity of zinc oxide-coated nanoporous alumina

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 177(12), 992–998.

By: S. Skoog n, M. Bayati n, P. Petrochenko n, S. Stafslien*, J. Daniels*, N. Cilz*, D. Comstock*, J. Elam*, R. Narayan n

author keywords: Aluminum oxide; Zinc oxide; Atomic layer deposition; Nanoporous material; Antibacterial material
TL;DR: It is suggested that zinc oxide-coated nanoporous alumina membranes have activity against some Gram-positive and Gram-negative bacteria that are associated with skin colonization and skin infection. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Defect mediated photocatalytic decomposition of 4-chlorophenol on epitaxial rutile thin films under visible and UV illumination

Journal of Physics: Condensed Matter, 24(39), 395005.

By: M. Bayati n, J. Ding*, Y. Lee n, R. Narayan n, J. Narayan n, H. Zhou*, S. Pennycook*

MeSH headings : Catalysis; Chlorophenols / chemistry; Oxygen / chemistry; Photochemical Processes; Pressure; Titanium / chemistry; Ultraviolet Rays; Vacuum; X-Ray Diffraction
TL;DR: It is shown that pure rutile TiO(2) can be photo-responsive even under low energy visible light after annealing in vacuum where it is envisaged that the point defects, i.e. oxygen vacancies and titanium interstitials, serve an important role. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries
Added: September 8, 2020

2012 journal article

Domain epitaxy in TiO2/α-Al2O3 thin film heterostructures with Ti2O3 transient layer

Applied Physics Letters, 100(25), 251606.

By: M. Bayati n, R. Molaei n, R. Narayan n, J. Narayan n, H. Zhou n & S. Pennycook*

UN Sustainable Development Goal Categories
Sources: Crossref, Web Of Science, NC State University Libraries
Added: January 24, 2019

2012 journal article

Indirect rapid prototyping of antibacterial acid anhydride copolymer microneedles

BIOFABRICATION, 4(1).

By: R. Boehm n, P. Miller n, R. Singh n, A. Shah, S. Stafslien*, J. Daniels*, R. Narayan n

MeSH headings : Anti-Bacterial Agents / chemistry; Anti-Bacterial Agents / pharmacology; Bacteria / drug effects; Biotechnology / instrumentation; Biotechnology / methods; Candida albicans / drug effects; Elastic Modulus; Maleates / chemistry; Maleates / pharmacology; Manufactured Materials; Needles; Polyvinyls / chemistry; Polyvinyls / pharmacology
TL;DR: The performance of Gantrez® AN 169 BF against several bacteria suggests that biodegradable acid anhydride copolymer microneedle arrays prepared using visible light dynamic mask micro-stereolithography micromolding may be useful for treating a variety of skin infections. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2012 conference paper

Laser micromachining modeling and laser machined surface errors prediction for biomedical applications

Proceedings of the ASME International Manufacturing Science and Engineering Conference, 2012, 59–68.

By: P. Wongwiwat n, R. Narayan* & Y. Lee n

TL;DR: The analytical model was adapted from the linear function for beam propagation in previous research by using the Gaussian function to improve modeling accuracy and showed how the modeling could solve the complex phenomenon of the overlapping in laser micromachining. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2012 journal article

Multiplexed and switchable release of distinct fluids from microneedle platforms via conducting polymer nanoactuators for potential drug delivery

Sensors and Actuators B: Chemical, 161(1), 1018–1024.

By: G. Valdés-Ramírez*, J. Windmiller*, J. Claussen*, A. Martinez*, F. Kuralay*, M. Zhou*, N. Zhou*, R. Polsky* ...

author keywords: Microneedle array; Conducting polymer; Electrochemically switchable nanoactuator; Drug delivery
TL;DR: A microneedle-based multiplexed drug delivery actuator that enables the controlled delivery of multiple therapeutic agents and indicates the potential to counteract diverse biomedical conditions is reported on. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Crossref
Added: January 14, 2021

2012 journal article

Multiplexed microneedle-based biosensor array for characterization of metabolic acidosis

TALANTA, 88, 739–742.

By: P. Miller n, S. Skoog n, T. Edwards*, D. Lopez*, D. Wheeler*, D. Arango*, X. Xiao*, S. Brozik* ...

author keywords: Microneedle biosensor; Microneedle; Multiplexed detection; Tumor microenvironment; Carbon paste
MeSH headings : Acidosis / diagnosis; Acidosis / metabolism; Biosensing Techniques / instrumentation; Biosensing Techniques / methods; Carbon; Cell Adhesion; Coated Materials, Biocompatible; Electrochemical Techniques; Exercise; Glucose / metabolism; Glucose Oxidase / metabolism; Humans; Hydrogen-Ion Concentration; Lactic Acid / analysis; Lactic Acid / biosynthesis; Macrophages / physiology; Microelectrodes; Needles
TL;DR: Simultaneous and selective amperometric detection of pH, glucose, and lactate over a range of physiologically relevant concentrations in complex media is demonstrated and materials modified with a cell-resistant (Lipidure(®)) coating were shown to inhibit macrophage adhesion. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Phase Tuning, Thin Film Epitaxy, Interfacial Modeling, and Properties of YSZ-Buffered TiO2 on Si(001) Substrate

Crystal Growth & Design, 12(9), 4535–4544.

By: M. Bayati n, P. Gupta n, R. Molaei n, R. Narayan n & J. Narayan n