Works Published in 2014
Displaying works 61 - 80 of 140 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2014 article
Displacement Underestimation Correction Using Shear Waves in VisR Ultrasound
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 1065–1068.
author keywords: Viscoelastic Response (VisR) ultrasound; Acoustic Radiation Force (ARF); finite element model; optical tracking
TL;DR:
It is hypothesized that by utilizing shear waves to generate displacement and monitoring tissue displacement outside the region of excitation the authors can better estimate axial displacements and generate τ measurements that more closely represent the material.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 article
Development of Transmitters in Dual-Frequency Transducers for Interventional Contrast Enhanced Imaging and Acoustic Angiography
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 679–682.
author keywords: interventional ultrasound; contrast enhanced imaging; dual frequency transducers; super-harmonic imaging
TL;DR:
A new design of the low frequency transmitter of dual-frequency transducers is presented, used to successfully excite microbubbles and to detect super harmonic responses from microbubble detection tests.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2014 article
An array transmitter for dual-frequency contrast enhanced intravascular ultrasound imaging
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 2104–2107.
author keywords: contrast ultrasound; transmitting array transducer; angiography lateral mode transducer; superharmonic; acoustic angiography
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 article
Acoustic radiation force (ARF) generation with a novel dual-frequency intravascular transducer.
2014 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS), pp. 2284–2287.
author keywords: ultrasound transducer; dual frequency; acoustic radiation force; ARFI; intravascular; IVUS
TL;DR:
The results of this study show that ARF generation and high-resolution tracking is feasible on a small-aperture transducer fit for IVUS implementation, and is also shown to demonstrate backscatter sensitivity.
(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
Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS, (83).
author keywords: Bioengineering; Issue 83; hydrodynamic focusing; polymer fiber; biohybrid; microfabrication; sheath flow; click chemistry
MeSH headings : Click Chemistry; Hydrogels / chemistry; Hydrophobic and Hydrophilic Interactions; Liquid Crystals / chemistry; Microfluidic Analytical Techniques / instrumentation; Microfluidic Analytical Techniques / methods; Photochemical Processes; Polymers / chemistry; Viscosity
TL;DR:
A “sheath” fluid passing through a microfluidic channel at low Reynolds number can be directed around another “core” stream and used to dictate the shape as well as the diameter of a core stream by matching the viscosity and hydrophilicity of the sheath and core fluids.
(via Semantic Scholar)
www.jove.com (publisher PDF)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Small-Molecule Detection in Thiol-Yne Nanocomposites via Surface-Enhanced Raman Spectroscopy
ANALYTICAL CHEMISTRY, 86(24), 12315–12320.
MeSH headings : Nanocomposites; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman / methods; Sulfhydryl Compounds / chemistry; Surface Properties
TL;DR:
Thiol-yne nanocomposite films and fibers fabricated using exposure to long-wave ultraviolet light after the inclusion of gold nanoparticles functionalized with thiophenol indicated that thiol-ynes may be useful as durable film or fiber SERS probes.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Reducing the Sampling Rate of Biochemical Measurements Using Fast-Scan Cyclic Voltammetry for In Vivo Applications
IEEE SENSORS JOURNAL, 14(9), 2975–2980.
author keywords: Carbon fiber microelectrodes; dopamine; electrochemistry; wireless protocol
TL;DR:
Reducing the sampling rate of a proven in vivo measurement technology, fast-scan cyclic voltammetry at carbon-fiber microelectrodes, reduces the quantity of data generated by an order of magnitude compared with the existing protocol and with duty cycling is expected to decrease power consumption by a similar value in wireless systems.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2014 review
Dual-Frequency Piezoelectric Transducers for Contrast Enhanced Ultrasound Imaging
[Review of ]. SENSORS, 14(11), 20825–20842.
author keywords: acoustics; acoustic angiography; dual-frequency; superharmonic; harmonic; broadband; microbubbles
MeSH headings : Aircraft / instrumentation; Contrast Media; Equipment Design; Equipment Failure Analysis; Image Enhancement / instrumentation; Materials Testing / instrumentation; Micro-Electrical-Mechanical Systems / instrumentation; Miniaturization; Radio Waves; Reproducibility of Results; Sensitivity and Specificity; Transducers; Ultrasonography / instrumentation
TL;DR:
The background principles and recent developments of ultrasound transducer technology for receiving signals produced by contrast agents while rejecting signals arising from soft tissue are described and this approach relies on transmitting at a low-frequency and receiving microbubble harmonic signals at frequencies many times higher than the transmitted frequency.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Advances in Anticancer Protein Delivery using Micro-/Nanoparticles
PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, 31(12), 1204–1222.
TL;DR:
Recent advances in delivering anticancer proteins directly to tumor tissue for inducing apoptosis/necrosis or indirectly to antigen presenting cells for provoking immune responses are surveyed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
10. Reduced Inequalities
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
More is not always better: modeling the effects of elastic exoskeleton compliance on underlying ankle muscle-tendon dynamics
BIOINSPIRATION & BIOMIMETICS, 9(4).
author keywords: elastic ankle exoskeleton; muscle-tendon interaction; mechanics; energetics; hopping; ultrasound
MeSH headings : Biomimetics / instrumentation; Computer Simulation; Computer-Aided Design; Elastic Modulus / physiology; Equipment Design; Equipment Failure Analysis; Humans; Man-Machine Systems; Models, Biological; Movement / physiology; Muscle Contraction / physiology; Muscle, Skeletal / physiology; Orthotic Devices; Robotics / instrumentation; Tendons / physiology
TL;DR:
A simple, predictive model of human neuromechanical adaptation to a passive elastic exoskeleton applied at the ankle joint during a functional task concluded that both of these outcomes cannot be achieved simultaneously, and that one must come at the detriment of the other in a spring-assisted compliant MTU.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Engineering Platform and Experimental Protocol for Design and Evaluation of a Neurally-controlled Powered Transfemoral Prosthesis
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS, (89).
Contributors: F. Zhang n, M. Liu n, S. Harper, M. Lee & H. Huang n
author keywords: Biomedical Engineering; Issue 89; neural control; powered transfemoral prosthesis; electromyography (EMG); neural-machine interface; experimental setup and protocol
MeSH headings : Amputees / rehabilitation; Artificial Limbs; Biomechanical Phenomena; Electromyography / instrumentation; Electromyography / methods; Humans; Male; Middle Aged; Software; Thigh / innervation; Thigh / physiology; Walking / physiology
TL;DR:
A flexible platform to implement and optimize neural control of powered lower limb prosthesis and an experimental setup and protocol to evaluate neural prosthesis control on patients with lower limb amputations are reported.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
2014 journal article
Early Metamorphic Insertion Technology for Insect Flight Behavior Monitoring
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS, (89).
author keywords: Behavior; Issue 89; Manduca sexta; telemetry; metamorphosis; bioelectronics; neurophysiology; electrophysiology; neuromuscular
MeSH headings : Animals; Behavior, Animal / physiology; Electrodes, Implanted; Flight, Animal / physiology; Manduca / physiology; Monitoring, Physiologic / instrumentation; Monitoring, Physiologic / methods
TL;DR:
A novel way to tether Manduca sexta on a magnetically levitating frame where the insect is connected to a commercially available wireless neural amplifier and this set up can be used to limit the degree of freedom to yawing "only" while transmitting the related electromyography signals from dorsoventral and dorsolongitudinal muscle groups.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Vaporization dynamics of volatile perfluorocarbon droplets: A theoretical model and in vitro validation
MEDICAL PHYSICS, 41(10).
author keywords: ultrasound imaging; ultrasound contrast agent; acoustic droplet vaporization; perfluorocarbon; theoretical model
MeSH headings : Acoustic Stimulation; Acoustics; Algorithms; Computer Simulation; Contrast Media / chemistry; Fluorocarbons / chemistry; Gases / chemistry; Hydrodynamics; Microfluidics; Microscopy, Video; Models, Theoretical; Thermodynamics; Volatilization
TL;DR:
An improved theoretical model is developed that allows one to simulate the growth of a vapor bubble inside a PFC droplet until the liquid PFC is completely converted into vapor, and the subsequent overexpansion and damped oscillations of the vapor bubble, including the influence of an externally applied acoustic pulse.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
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
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 review
Transdermal Delivery of Insulin via Microneedles
[Review of ]. JOURNAL OF BIOMEDICAL NANOTECHNOLOGY, 10(9), 2244–2260.
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
3. Good Health and Well-being
(Web of Science)
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).
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Skin Tissue Engineering for the Infected Wound Site: Biodegradable PLA Nanofibers and a Novel Approach for Silver Ion Release Evaluated in a 3D Coculture System of Keratinocytes and Staphylococcus aureus
TISSUE ENGINEERING PART C-METHODS, 20(10), 790–797.
MeSH headings : Biocompatible Materials / chemistry; Cell Proliferation / drug effects; Cell Survival / drug effects; Coculture Techniques; DNA / metabolism; Epidermal Cells; Humans; Ions; Keratinocytes / cytology; Keratinocytes / drug effects; Keratinocytes / ultrastructure; Lactic Acid / chemistry; Nanofibers / chemistry; Nanofibers / ultrastructure; Polyesters; Polymers / chemistry; Porosity; Silver / analysis; Skin / pathology; Staphylococcus aureus / cytology; Staphylococcus aureus / drug effects; Staphylococcus aureus / growth & development; Tissue Engineering / methods; Tissue Scaffolds / chemistry; Wound Infection / microbiology; Wound Infection / pathology
TL;DR:
It is found that highly porous AgMPs could be successfully incorporated in nanofibrous wound dressings, and exhibited comparable antimicrobial efficacy and cytotoxicity to AgNPs.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Self-folded redox/acid dual-responsive nanocarriers for anticancer drug delivery
CHEMICAL COMMUNICATIONS, 50(95), 15105–15108.
MeSH headings : Antineoplastic Agents / administration & dosage; Antineoplastic Agents / chemistry; Cell Survival / drug effects; Doxorubicin / administration & dosage; Doxorubicin / chemistry; Drug Carriers / administration & dosage; Drug Carriers / chemistry; Folic Acid / administration & dosage; Folic Acid / chemistry; Glutathione / chemistry; HeLa Cells; Humans; Nanoparticles / administration & dosage; Nanoparticles / chemistry; Oxidation-Reduction; Peptides / chemistry; Polyethylene Glycols / chemistry
TL;DR:
Self-folded redox/acid dual-responsive nanocarriers developed for physiologically triggered delivery of anticancer drugs suggest their potential as a promising formulation for tumor-targeted chemotherapy.
(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
Musculoskeletal modelling deconstructs the paradoxical effects of elastic ankle exoskeletons on plantar-flexor mechanics and energetics during hopping
JOURNAL OF EXPERIMENTAL BIOLOGY, 217(22), 4018–4028.
author keywords: Assistive robotics; Dynamics simulation; Energetics; Locomotion; Metabolic energy; Muscle mechanics
MeSH headings : Adult; Ankle Joint / physiology; Biomechanical Phenomena; Electromyography; Energy Metabolism / physiology; Gait / physiology; Humans; Male; Models, Theoretical; Muscle, Skeletal / physiology; Orthotic Devices; Tendons / physiology
TL;DR:
A musculoskeletal model of the human leg and a model of muscle energetics in simulations of muscle–tendon dynamics during hopping with and without elastic ankle exoskeletons showed that the total rate of metabolic energy consumption by ankle muscles was not significantly reduced by an ankleExoskeleton.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Microneedle-based self-powered glucose sensor
ELECTROCHEMISTRY COMMUNICATIONS, 47, 58–62.
author keywords: Microneedle array; Glucose; Self-powered sensor; Biofuel cell
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
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