Joseph B. Tracy

Works (116)

Updated: April 1st, 2025 10:33

2024 journal article

3D-Printed Hydrogels as Photothermal Actuators

Polymers.

By: M. Ghelardini n, M. Geisler *, N. Weigel*, J. Hankwitz  n, N. Hauck*, J. Schubert *, A. Fery *, J. Tracy n , J. Thiele *

topics (OpenAlex): Micro and Nano Robotics; Advanced Materials and Mechanics; 3D Printing in Biomedical Research
Source: ORCID
Added: December 1, 2024

2024 article

Aluminum/SmCo<sub>5</sub> composites for structural and magnetic applications

Ishrak, F., Lastovich, M., Malakar, A., Haridas, R. S., Bhattacharjee, A. J., Qiao, H., … Gwalani, B. (2024, September 14). JOURNAL OF MATERIALS SCIENCE, Vol. 59.

By: F. Ishrak* , M. Lastovich*, A. Malakar*, R. Haridas, A. Bhattacharjee, H. Qiao*, M. Clary*, J. Tracy*  ...

topics (OpenAlex): Aluminum Alloys Composites Properties; Magnetic Properties of Alloys; Magnesium Alloys: Properties and Applications
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 23, 2024

2024 journal article

In situ pulmonary mucus hydration assay using rotational and translational diffusion of gold nanorods with polarization-sensitive optical coherence tomography

Journal of Biomedical Optics, 29(04).

By: K. Oeler*, R. Blackmon *, S. Kreda *, T. Robinson*, M. Ghelardini n, B. Chapman  n, J. Tracy n , D. Hill *, A. Oldenburg *

topics (OpenAlex): Optical Coherence Tomography Applications; Advanced Biosensing Techniques and Applications; Characterization and Applications of Magnetic Nanoparticles
Source: ORCID
Added: December 1, 2024

2024 article

Machine Learning and Small Data-Guided Optimization of Silica Shell Morphology on Gold Nanorods

Mahmood, A. U., Ghelardini, M. M., Tracy, J. B., & Yingling, Y. G. (2024, August 22). CHEMISTRY OF MATERIALS, Vol. 8.

By: A. Mahmood n, M. Ghelardini n, J. Tracy n  & Y. Yingling n 

topics (OpenAlex): Machine Learning in Materials Science; Gold and Silver Nanoparticles Synthesis and Applications; Dendrimers and Hyperbranched Polymers
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 1, 2024

2024 article

Magnetic Reprogramming of Self-Assembled Hard-Magnetic Cilia

Clary, M. R., Cantu, S. N., Liu, J. A.-C., Evans, B. A., & Tracy, J. B. (2024, April 22). ADVANCED MATERIALS TECHNOLOGIES, Vol. 4.

By: M. Clary n, S. Cantu n, J. Liu n, B. Evans * & J. Tracy n 

author keywords: artificial cilia; hard magnet; magnetic materials; NdFeB; reconfigurable; self-assembly; soft robot
topics (OpenAlex): Micro and Nano Robotics; Advanced Materials and Mechanics; Pickering emulsions and particle stabilization
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 29, 2024

2024 journal article

Magnetic kirigami dome metasheet with high deformability and stiffness for adaptive dynamic shape-shifting and multimodal manipulation

SCIENCE ADVANCES, 10(49).

By: Y. Chi  n, E. Evans *, M. Clary  n, F. Qi n, H. Sun n, S. Cantu n, C. Capodanno*, J. Tracy n , J. Yin n 

topics (OpenAlex): Advanced Materials and Mechanics; Advanced Sensor and Energy Harvesting Materials; Modular Robots and Swarm Intelligence
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 15, 2024

2024 journal article

Movement with light: Photoresponsive shape morphing of printed liquid crystal elastomers

MATTER, 7(3).

By: M. Ford *, D. Porcincula *, R. Telles *, J. Mancini*, Y. Wang *, M. Rizvi n , C. Loeb *, B. Moran * ...

topics (OpenAlex): Advanced Materials and Mechanics; Advanced Sensor and Energy Harvesting Materials; Liquid Crystal Research Advancements
Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 15, 2024

2024 journal article

Spatially Confined Assembly and Immobilization of Hierarchical Nanoparticle Architectures inside Microdroplets in Magnetic Fields

ACS Nano, 7.

By: A. Basu  n, M. Clary  n, J. Tracy n , C. Hall n  & O. Velev  n

topics (OpenAlex): Pickering emulsions and particle stabilization; Micro and Nano Robotics; Innovative Microfluidic and Catalytic Techniques Innovation
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11. Sustainable Cities and Communities (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 23, 2024

2023 article

Solvent Effects in Ligand Stripping Behavior of Colloidal Nanoparticles

Mahmood, A. U., Rizvi, M. H., Tracy, J. B., & Yingling, Y. G. (2023, June 13). ACS NANO, Vol. 6.

By: A. Mahmood n, M. Rizvi n , J. Tracy n  & Y. Yingling n 

author keywords: nanoparticles; atomisticsimulations; ligandremoval; ligand stripping isotherm; solvent effects
topics (OpenAlex): Surfactants and Colloidal Systems; Gold and Silver Nanoparticles Synthesis and Applications; Iron oxide chemistry and applications
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 3, 2023

2022 journal article

Dynamics of dual-junction-functionality associative polymer networks with ion and nanoparticle metal-coordinate cross-link junctions

JOURNAL OF RHEOLOGY, 66(6), 1333–1345.

By: J. Song *, Q. Li *, P. Chen *, B. Keshavarz *, B. Chapman n, J. Tracy n , G. McKinley *, N. Holten-Andersen *

author keywords: Associative polymers; Dual networks; Metal-coordination; Viscoelasticity; Self-healing
topics (OpenAlex): Polymer composites and self-healing; Hydrogels: synthesis, properties, applications; Advanced Sensor and Energy Harvesting Materials
Sources: Web Of Science, NC State University Libraries
Added: December 12, 2022

2022 article

Magnetic Alignment for Plasmonic Control of Gold Nanorods Coated with Iron Oxide Nanoparticles

Rizvi, M. H., Wang, R., Schubert, J., Crumpler, W. D., Rossner, C., Oldenburg, A. L., … Tracy, J. B. (2022, September 1). ADVANCED MATERIALS, Vol. 9.

By: M. Rizvi n , R. Wang *, J. Schubert *, W. Crumpler n, C. Rossner *, A. Oldenburg *, A. Fery *, J. Tracy n 

author keywords: dipolar interactions; gold nanorods; iron oxide; magneto-optical effect; surface plasmon resonance
MeSH headings : Gold / chemistry; Magnetic Fields; Magnetic Iron Oxide Nanoparticles; Nanotubes / chemistry; Polyethyleneimine; Serum Albumin, Bovine
topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Plasmonic and Surface Plasmon Research; Characterization and Applications of Magnetic Nanoparticles
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 12, 2022

2022 journal article

Microscopic dynamics underlying the stress relaxation of arrested soft materials

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 119(30).

By: J. Song *, Q. Zhang *, F. Quesada *, M. Rizvi n , J. Tracy n , J. Ilavsky *, S. Narayanan *, E. Del Gado * ...

author keywords: soft materials; stress relaxation; avalanches; gels; viscoelasticity
topics (OpenAlex): Material Dynamics and Properties; Rheology and Fluid Dynamics Studies; Theoretical and Computational Physics
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 29, 2022

2022 journal article

Size control of cobalt nanoparticles by adjusting the linear carboxylic acid ligand chain length

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 550.

By: A. Johnston-Peck  n & J. Tracy n 

author keywords: Magnetic nanoparticles; Cobalt; Cobalt oxide; Carboxylic acids
topics (OpenAlex): Catalytic Processes in Materials Science; Nanomaterials for catalytic reactions; Copper-based nanomaterials and applications
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: May 2, 2022

2021 journal article

Controlled Organization of Inorganic Materials Using Biological Molecules for Activating Therapeutic Functionalities

ACS APPLIED MATERIALS & INTERFACES, 13(33), 39030–39041.

By: M. Chandler *, B. Minevich *, B. Roark*, M. Viard *, M. Johnson *, M. Rizvi n , T. Deaton n, S. Kozlov* ...

author keywords: quantum dots; therapeutic nucleic acids; 3D assemblies; programmable assembly; materials organization; bioimaging; therapeutic delivery
MeSH headings : Cell Line, Tumor; Cell Membrane Permeability; Cell Survival / drug effects; Cell Tracking; Cross-Linking Reagents / chemistry; Drug Carriers / chemistry; Gene Silencing / drug effects; Humans; Luminescent Agents / chemistry; Models, Molecular; Nucleic Acids / chemistry; Optical Imaging; Quantum Dots / chemistry; Structure-Activity Relationship; Surface Properties
topics (OpenAlex): Advanced biosensing and bioanalysis techniques; Bacteriophages and microbial interactions; Quantum Dots Synthesis And Properties
TL;DR: The programmability and intracellular activity of QD assemblies offer a strategy for nucleic acids to imbue the structure and therapeutic function into the formation of complex networks of nanostructures, while the photoluminescent properties of the material allow for optical tracking in cells in vitro. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 27, 2021

2021 journal article

Flexible Cyclic-Poly(phthalaldehyde)/Poly(epsilon-caprolactone) Blend Fibers with Fast Daylight-Triggered Transience

MACROMOLECULAR RAPID COMMUNICATIONS, 42(7).

By: S. Li n, M. Rizvi n , B. Lynch n, J. Tracy n  & E. Ford n

author keywords: cyclic&#8208; poly(phthalaldehyde); daylight&#8208; triggered transience; fibers; poly (&#949; &#8208; caprolactone); wet spinning
MeSH headings : Biocompatible Materials; Gold; Metal Nanoparticles; Polyesters
topics (OpenAlex): biodegradable polymer synthesis and properties; Additive Manufacturing and 3D Printing Technologies; Fiber-reinforced polymer composites
TL;DR: A new approach to fabricating flexible cPPHA blends for use as spun fibers is achieved through the incorporation of poly (ε-caprolactone) (PCL) by a modified wet spinning method, which shows fast transience in response to daylight and can be applied to an extensive range of applications. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 19, 2021

2021 journal article

Plasmon-Coupled Gold Nanoparticles in Stretched Shape-Memory Polymers for Mechanical/Thermal Sensing

ACS APPLIED NANO MATERIALS, 4(4), 3911–3921.

By: P. Yadav n, M. Rizvi n , B. Kuttich *, S. Mishra n, B. Chapman n, B. Lynch n, T. Kraus *, A. Oldenburg *, J. Tracy n 

author keywords: gold; nanoparticles; surface plasmon resonance; plasmon coupling; shape-memory polymer; polymer nanocomposite; temperature sensor; strain sensor
topics (OpenAlex): Nonlinear Optical Materials Studies; Gold and Silver Nanoparticles Synthesis and Applications; Photochromic and Fluorescence Chemistry
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 13, 2021

2021 journal article

Reconfigurable Magnetic Origami Actuators with On-Board Sensing for Guided Assembly

ADVANCED MATERIALS, 33(25).

By: M. Ha *, G. Canon Bermudez *, J. Liu n, E. Oliveros Mata *, B. Evans *, J. Tracy n , D. Makarov *

author keywords: actuation; magnetic materials; origami; reconfigurable materials; sensors
topics (OpenAlex): Advanced Materials and Mechanics; Advanced Sensor and Energy Harvesting Materials; Micro and Nano Robotics
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UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 17, 2021

2021 journal article

Sulfidation and selenidation of nickel nanoparticles

CARBON ENERGY, 3(4), 582–589.

By: B. Lynch n, A. Kelliher  n, B. Anderson n, A. Japit n, M. Spencer n, M. Rizvi n , M. Sarac n, V. Augustyn n, J. Tracy n 

author keywords: conversion chemistry; electrocatalysis; nanoparticles; nickel; selenide; sulfide
topics (OpenAlex): Chalcogenide Semiconductor Thin Films; Electrocatalysts for Energy Conversion; Advanced Photocatalysis Techniques
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 21, 2020

2020 journal article

Photothermally Reconfigurable Shape Memory Magnetic Cilia

ADVANCED MATERIALS TECHNOLOGIES, 5(7).

By: J. Liu n, B. Evans * & J. Tracy n 

author keywords: magnetic cilia; magnetic particles; photothermal heating; reconfigurable materials; shape memory polymers
topics (OpenAlex): Advanced Materials and Mechanics; Micro and Nano Robotics; Pickering emulsions and particle stabilization
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UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 8, 2020

2020 journal article

Programmable Anisotropy and Percolation in Supramolecular Patchy Particle Gels

ACS Nano, 14(12), 17018–17027.

By: J. Song *, M. Rizvi n , B. Lynch  n, J. Ilavsky *, D. Mankus *, J. Tracy n , G. McKinley *, N. Holten-Andersen *

author keywords: patchy particles; self-assembly; supramolecular chemistry; equilibrium gels; bioinspired materials
topics (OpenAlex): Pickering emulsions and particle stabilization; Proteins in Food Systems; Hydrogels: synthesis, properties, applications
TL;DR: A supramolecular metal-coordination platform consisting of metallic nanoparticles linked by telechelic polymer chains is introduced, which validates the predictions associated with patchy particle interactions and facilitates the design of equilibrium particle hydrogels through limited valency interactions. (via Semantic Scholar)
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13. Climate Action (Web of Science)
Source: ORCID
Added: December 21, 2020

2019 journal article

3D-Printed Silicone Soft Architectures with Programmed Magneto-Capillary Reconfiguration

ADVANCED MATERIALS TECHNOLOGIES, 4(4).

By: S. Roh n, L. Okello n, N. Golbasi  n, J. Hankwitz n, J. Liu n, J. Tracy n , O. Velev n 

author keywords: additive manufacturing; magnetoactive materials; metamaterials; soft intelligent materials
topics (OpenAlex): Micro and Nano Robotics; Advanced Materials and Mechanics; Advanced Sensor and Energy Harvesting Materials
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 13, 2019

2019 journal article

Direct electrospinning of titania nanofibers with ethanol

DALTON TRANSACTIONS, 48(34), 12822–12827.

By: B. Chapman n, S. Mishra n & J. Tracy n 

topics (OpenAlex): Electrospun Nanofibers in Biomedical Applications; Conducting polymers and applications; Supercapacitor Materials and Fabrication
TL;DR: Titanium(iv) isopropoxide in ethanol is aged under acidic conditions with a small amount of water and crystallization into anatase and rutile phases is observed. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 23, 2019

2019 journal article

Magnetic Actuators: 3D‐Printed Silicone Soft Architectures with Programmed Magneto‐Capillary Reconfiguration (Adv. Mater. Technol. 4/2019)

Advanced Materials Technologies, 4(4), 1970021.

By: S. Roh  n, L. Okello  n, N. Golbasi  n, J. Hankwitz  n, J. Liu  n, J. Tracy n , O. Velev n 

topics (OpenAlex): Modular Robots and Swarm Intelligence; Advanced Materials and Mechanics; Micro and Nano Robotics
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 5, 2020

2019 journal article

Photothermally and magnetically controlled reconfiguration of polymer composites for soft robotics

SCIENCE ADVANCES, 5(8).

By: J. Liu n, J. Gillen  n, S. Mishra n, B. Evans * & J. Tracy n 

topics (OpenAlex): Micro and Nano Robotics; Advanced Materials and Mechanics; Soft Robotics and Applications
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: September 3, 2019

2018 journal article

Quantification of Interface-Dependent Plasmon Quality Factors Using Single-Beam Nonlinear Optical Interferometry

ANALYTICAL CHEMISTRY, 90(22), 13702–13707.

By: T. Zhao *, M. Steves *, B. Chapman n, J. Tracy n  & K. Knappenberger *

topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Spectroscopy Techniques in Biomedical and Chemical Research; Nonlinear Optical Materials Studies
TL;DR: The straightforward method of INLO enables analysis of plasmon responses to environmental influences, such as analyte binding and solvent effects, as well as quantification of structure-specific plasMon coherence dynamics. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 10, 2018

2018 journal article

Sequential Actuation of Shape-Memory Polymers through Wavelength-Selective Photothermal Heating of Gold Nanospheres and Nanorods

ACS Applied Nano Materials, 1(7), 3063–3067.

By: S. Mishra  n & J. Tracy n 

author keywords: gold; nanoparticles; nanorods; surface plasmon resonance; photothermal heating; shape-memory polymer; soft robotics; sequential actuation
topics (OpenAlex): Polymer composites and self-healing; Advanced Materials and Mechanics; Photochromic and Fluorescence Chemistry
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: December 15, 2018

2018 journal article

Understanding and Controlling the Morphology of Silica Shells on Gold Nanorods

CHEMISTRY OF MATERIALS, 30(18), 6249–6258.

By: L. Rowe n, B. Chapman n & J. Tracy n 

topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Mesoporous Materials and Catalysis; Catalytic Processes in Materials Science
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 16, 2018

2017 journal article

Chained Iron Microparticles for Directionally Controlled Actuation of Soft Robots

ACS APPLIED MATERIALS & INTERFACES, 9(13), 11895–11901.

By: M. Schmauch*, S. Mishra*, B. Evans *, O. Velevt & J. Tracy* 

Contributors: M. Schmauch*, S. Mishra*, B. Evans *, O. Velevt & J. Tracy* 

author keywords: magnetic particles; chains; elastomer; anisotropy; actuation; lifter; valve; pump
topics (OpenAlex): Micro and Nano Robotics; Advanced Materials and Mechanics; Advanced Sensor and Energy Harvesting Materials
TL;DR: The "specific torque", the torque per field per mass of magnetic particles, is introduced as a figure of merit for assessing and comparing the performance of lifters and related devices. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Direct monitoring of pulmonary disease treatment biomarkers using plasmonic gold nanorods with diffusion-sensitive OCT

NANOSCALE, 9(15), 4907–4917.

By: R. Blackmon *, S. Kreda*, P. Sears *, B. Chapman n, D. Hill *, J. Tracy n , L. Ostrowski *, A. Oldenburg *

Contributors: R. Blackmon *, S. Kreda*, P. Sears *, B. Chapman n, D. Hill *, J. Tracy n , L. Ostrowski *, A. Oldenburg *

MeSH headings : Biosensing Techniques; Bronchi / cytology; Cells, Cultured; Diffusion; Epithelial Cells / cytology; Gold; Humans; Lung Diseases / drug therapy; Mucus / chemistry; Nanotubes; Tomography, Optical Coherence
topics (OpenAlex): Cystic Fibrosis Research Advances; Optical Coherence Tomography Applications; Characterization and Applications of Magnetic Nanoparticles
TL;DR: The applicability of DS-OCT is demonstrated on well-differentiated primary human bronchial epithelial cells during a clinical mucus-hydrating therapy, hypertonic saline treatment (HST), to reveal, for the first time, mucus mixing, cellular secretions, and mucus hydration on the micrometer scale that translate to long-term therapeutic effects. (via Semantic Scholar)
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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: August 6, 2018

2017 journal article

Enhanced Electrochemical Lithium-Ion Charge Storage of Iron Oxide Nanosheets

CHEMISTRY OF MATERIALS, 29(18), 7794–7807.

By: S. Niu*, R. McFeron*, F. Godinez-Salomon*, B. Chapman n, C. Damin*, J. Tracy n , V. Augustyn n, C. Rhodes *

Contributors: S. Niu*, R. McFeron*, F. Godinez-Salomon*, B. Chapman n, C. Damin*, J. Tracy n , V. Augustyn n, C. Rhodes *

topics (OpenAlex): Advancements in Battery Materials; Supercapacitor Materials and Fabrication; Advanced Battery Materials and Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Heteroaggregation Approach for Depositing Magnetite Nanoparticles onto Silica-Overcoated Gold Nanorods

CHEMISTRY OF MATERIALS, 29(24), 10362–10368.

By: B. Chapman  n, W. Wu  n, Q. Li *, N. Holten-Andersen * & J. Tracy n 

topics (OpenAlex): Nanoparticle-Based Drug Delivery; Gold and Silver Nanoparticles Synthesis and Applications; Characterization and Applications of Magnetic Nanoparticles
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Microwave Enhancement of Autocatalytic Growth of Nanometals

ACS NANO, 11(10), 9957–9967.

By: B. Ashley*, P. Vakil *, B. Lynch n, C. Dyer*, J. Tracy n , J. Owens, G. Strouse *

Contributors: B. Ashley*, P. Vakil *, B. Lynch n, C. Dyer*, J. Tracy n , J. Owens, G. Strouse *

author keywords: microwave; autocatalytic; mechanism; spectroscopy; nanoparticle; nickel; core/shell
topics (OpenAlex): Nanomaterials for catalytic reactions; Microwave-Assisted Synthesis and Applications; Gold and Silver Nanoparticles Synthesis and Applications
TL;DR: The study definitively shows that MW growth can be modeled by an autocatalytic mechanism that directly leads to the observed enhanced rates and improved quality widely reported in the nanomaterial community when MW irradiation is employed. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Nanoscale steady-state temperature gradients within polymer nanocomposites undergoing continuous-wave photothermal heating from gold nanorods

NANOSCALE, 9(32), 11605–11618.

By: S. Maity n, W. Wu  n, J. Tracy n , L. Clarke n  & J. Bochinski n 

Contributors: S. Maity n, W. Wu  n, J. Tracy n , L. Clarke n  & J. Bochinski n 

topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Photoacoustic and Ultrasonic Imaging; Thermal Radiation and Cooling Technologies
TL;DR: Photothermal heating in this manner has potential utility in creating unique thermal processing conditions for outcomes such as driving chemical reactions, inducing crystallinity changes, or enhancing degradation processes in a manner unachievable by conventional heating methods. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Size and Composition Control of CoNi Nanoparticles and Their Conversion into Phosphides

CHEMISTRY OF MATERIALS, 29(7), 2739–2747.

By: K. Marusak n, A. Johnston-Peck n, W. Wu n, B. Anderson n & J. Tracy n 

Contributors: K. Marusak n, A. Johnston-Peck n, W. Wu n, B. Anderson n & J. Tracy n 

topics (OpenAlex): Catalysis and Hydrodesulfurization Studies; Nanomaterials for catalytic reactions; Electrocatalysts for Energy Conversion
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Synthesis and chemical transformation of Ni nanoparticles embedded in silica

Nanoscale.

By: B. Lynch  n, B. Anderson n, W. Kennedy * & J. Tracy n 

topics (OpenAlex): Electrocatalysts for Energy Conversion; Catalytic Processes in Materials Science; Nanomaterials for catalytic reactions
TL;DR: The structure of the SiO2-Ni NPs remained significantly unchanged after both oxidation and reduction, which suggests structural durability when used for catalysis, and may be extended to other core materials. (via Semantic Scholar)
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Source: ORCID
Added: December 15, 2018

2016 article

Diffusion-sensitive optical coherence tomography for real-time monitoring of mucus thinning treatments

OPTICAL COHERENCE TOMOGRAPHY AND COHERENCE DOMAIN OPTICAL METHODS IN BIOMEDICINE XX, Vol. 9697.

By: R. Blackmon *, S. Kreda *, P. Sears *, L. Ostrowski *, D. Hill *, B. Chapman n, J. Tracy n , A. Oldenburg *

Contributors: R. Blackmon *, S. Kreda *, P. Sears *, L. Ostrowski *, D. Hill *, B. Chapman n, J. Tracy n , A. Oldenburg *

author keywords: polarization sensitive optical coherence tomography; gold nanorods; diffusion; diffusion sensitive optical coherence tomography
topics (OpenAlex): Cystic Fibrosis Research Advances; Optical Coherence Tomography Applications; Ocular Surface and Contact Lens
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Imaging Extracellular Matrix Remodeling In Vitro by Diffusion-Sensitive Optical Coherence Tomography

BIOPHYSICAL JOURNAL, 110(8), 1858–1868.

By: R. Blackmon *, R. Sandhu*, B. Chapman n, P. Casbas-Hernandez*, J. Tracy n , M. Troester *, A. Oldenburg *

Contributors: R. Blackmon *, R. Sandhu*, B. Chapman n, P. Casbas-Hernandez*, J. Tracy n , M. Troester *, A. Oldenburg *

MeSH headings : Animals; Collagen Type I / metabolism; Diffusion; Extracellular Matrix / metabolism; Fibroblasts / cytology; Gold / chemistry; Humans; Imaging, Three-Dimensional; Nanotubes / chemistry; Porosity; Rats; Tomography, Optical Coherence / methods
topics (OpenAlex): Optical Coherence Tomography Applications; Cellular Mechanics and Interactions; Angiogenesis and VEGF in Cancer
TL;DR: An unprecedented view into nanoscale changes in artificial ECM porosity over effective pore diameters ranging from ∼43 to 360 nm is provided using a micron-scale optical imaging technique. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Selective and directional actuation of elastomer films using chained magnetic nanoparticles

NANOSCALE, 8(3), 1309–1313.

By: S. Mishra n, M. Dickey n , O. Velev n  & J. Tracy n 

Contributors: S. Mishra n, M. Dickey n , O. Velev n  & J. Tracy n 

topics (OpenAlex): Characterization and Applications of Magnetic Nanoparticles; Micro and Nano Robotics; Advanced Materials and Mechanics
TL;DR: Selective and directional actuation of elastomer films utilizing magnetic anisotropy introduced by chains of Fe3O4 magnetic nanoparticles (MNPs) is reported. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 journal article

Silica Overcoating of CdSe/CdS Core/Shell Quantum Dot Nanorods with Controlled Morphologies

CHEMISTRY OF MATERIALS, 28(14), 4945–4952.

By: B. Anderson n, W. Wu n & J. Tracy n 

Contributors: B. Anderson n, W. Wu n & J. Tracy n 

topics (OpenAlex): Quantum Dots Synthesis And Properties; Chalcogenide Semiconductor Thin Films; Advanced biosensing and bioanalysis techniques
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UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

A dual wavelength-activatable gold nanorod complex for synergistic cancer treatment

NANOSCALE, 7(28), 12096–12103.

By: D. Pacardo n, B. Neupane n, S. Rikard  n, Y. Lu n, R. Mo n, S. Mishra n, J. Tracy n , G. Wang n, F. Ligler n, Z. Gu n

Contributors: D. Pacardo n, B. Neupane n, S. Rikard  n, Y. Lu n, R. Mo n, S. Mishra n, J. Tracy n , G. Wang n, F. Ligler n, Z. Gu n

MeSH headings : Antineoplastic Agents / chemistry; Antineoplastic Agents / pharmacology; Drug Screening Assays, Antitumor; Gold / chemistry; Gold / pharmacology; HeLa Cells; Humans; Infrared Rays; Nanotubes / chemistry; Neoplasms / drug therapy; Photochemotherapy
topics (OpenAlex): Nanoparticle-Based Drug Delivery; Nanoplatforms for cancer theranostics; Gold and Silver Nanoparticles Synthesis and Applications
TL;DR: This multifunctional AuNR-based system represents a novel theranostic strategy for spatiotemporal delivery of anticancer therapeutics and demonstrates enhanced anticancer efficacy through the synergistic combination of promoted drug release upon ultraviolet (UV) light irradiation and photothermal therapy upon infrared (IR) irradiation. (via Semantic Scholar)
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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: August 6, 2018

2015 journal article

Large-Scale Silica Overcoating of Gold Nanorods with Tunable Shell Thicknesses

CHEMISTRY OF MATERIALS, 27(8), 2888–2894.

By: W. Wu n & J. Tracy n 

Contributors: W. Wu n & J. Tracy n 

topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Nanoporous metals and alloys; Photonic Crystals and Applications
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Photochemical synthesis of size-tailored hexagonal ZnS quantum dots

CHEMICAL COMMUNICATIONS, 51(15), 3087–3090.

By: C. Gonzalez *, W. Wu n, J. Tracy n  & B. Martin *

Contributors: C. Gonzalez *, W. Wu n, J. Tracy n  & B. Martin *

topics (OpenAlex): Quantum Dots Synthesis And Properties; Advanced Photocatalysis Techniques; Nanocluster Synthesis and Applications
TL;DR: Transmission electron microscopy confirmed that the ZnS quantum dots adopts the hexagonal structure, and the method allows the control of nanoparticle size. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Thermal Stability of Gold Nanoparticles Embedded within Metal Oxide Frameworks Fabricated by Hybrid Modifications onto Sacrificial Textile Templates

Langmuir, 31(3), 1135–1141.

By: R. Padbury n, J. Halbur n, P. Krommenhoek n, J. Tracy n  & J. Jur n

Contributors: R. Padbury n, J. Halbur n, P. Krommenhoek n, J. Tracy n  & J. Jur n

topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Catalytic Processes in Materials Science; Nanomaterials for catalytic reactions
TL;DR: This work demonstrates the entrapment of gold NP's embedded in a porous inorganic matrix using a novel single exposure cycle vapor phase technique to facilitate new complex NP/oxide materials useful for catalytic platforms. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2014 journal article

Aerosynthesis: Growth of Vertically-aligned Carbon Nanofibres with Air DC Plasma

NANOMATERIALS AND NANOTECHNOLOGY, 4.

By: A. Kodumagulla n, V. Varanasi  n, R. Pearce n, W. Wu n, D. Hensley *, J. Tracy n , T. McKnight *, A. Melechko n

Contributors: A. Kodumagulla n, V. Varanasi  n, R. Pearce n, W. Wu n, D. Hensley *, J. Tracy n , T. McKnight *, A. Melechko n

author keywords: Carbon Nanofibres; Plasma Processing; Scalable Manufacturing
topics (OpenAlex): Carbon Nanotubes in Composites; Graphene research and applications; Electrohydrodynamics and Fluid Dynamics
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Control of Branching in Ni3C1-x Nanoparticles and Their Conversion into Ni12P5 Nanoparticles

CHEMISTRY OF MATERIALS, 26(10), 3057–3064.

By: M. Sarac n, W. Wu n & J. Tracy n 

Contributors: M. Sarac n, W. Wu n & J. Tracy n 

topics (OpenAlex): Electrocatalysts for Energy Conversion; Advanced Memory and Neural Computing; MXene and MAX Phase Materials
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Large-scale silica overcoating of gold nanorods and their thermal stability

Abstracts of Papers of the American Chemical Society, 248. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000349165100015&KeyUID=WOS:000349165100015

By: W. Wu & J. Tracy 

Contributors: W. Wu & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2014 journal article

Large-scale silica overcoating of gold nanorods with tunable shell thicknesses

Abstracts of Papers of the American Chemical Society, 248. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000349165104127&KeyUID=WOS:000349165104127

By: W. Wu & J. Tracy 

Contributors: W. Wu & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2014 review

Nanoparticle conversion chemistry: Kirkendall effect, galvanic exchange, and anion exchange

[Review of ]. NANOSCALE, 6(21), 12195–12216.

By: B. Anderson n & J. Tracy n 

Contributors: B. Anderson n & J. Tracy n 

topics (OpenAlex): Nanomaterials for catalytic reactions; Advanced Photocatalysis Techniques; Surface Chemistry and Catalysis
TL;DR: The principles and examples of three major classes of conversion chemical reactions are reviewed: the Kirkendall effect for metal NPs, galvanic exchange, and anion exchange, each of which can result in void formation in NPs. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Probing biological nanotopology via diffusion of weakly constrained plasmonic nanorods with optical coherence tomography

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 111(41), E4289–E4297.

By: R. Chhetri *, R. Blackmon *, W. Wu n, D. Hill *, B. Button *, P. Casbas-Hernandez*, M. Troester *, J. Tracy n , A. Oldenburg *

Contributors: R. Chhetri *, R. Blackmon *, W. Wu n, D. Hill *, B. Button *, P. Casbas-Hernandez*, M. Troester *, J. Tracy n , A. Oldenburg *

author keywords: dynamic light scattering; plasmon resonance; nanoparticle diffusion; diffusion in mucus; diffusion in extracellular matrix
MeSH headings : Bronchi / cytology; Cells, Cultured; Collagen / pharmacology; Diffusion; Epithelial Cells / drug effects; Epithelial Cells / metabolism; Extracellular Matrix / chemistry; Gold / chemistry; Humans; Metal Nanoparticles / chemistry; Metal Nanoparticles / ultrastructure; Mucus / drug effects; Nanotubes / chemistry; Nanotubes / ultrastructure; Polyethylene Glycols / chemistry; Solutions; Stromal Cells / cytology; Stromal Cells / drug effects; Tomography, Optical Coherence
topics (OpenAlex): Optical Coherence Tomography Applications; Photoacoustic and Ultrasonic Imaging; Lymphatic System and Diseases
TL;DR: OCT depth-resolves the particle-averaged translational diffusion coefficient (DT) of GNRs within each coherence volume, which is separable from the nonequilibrium motile activities of cells based on the unique polarized light-scattering properties of GNR. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Spatial temperature mapping within polymer nanocomposites undergoing ultrafast photothermal heating via gold nanorods

NANOSCALE, 6(24), 15236–15247.

By: S. Maity n, W. Wu n, C. Xu n, J. Tracy n , K. Gundogdu n , J. Bochinski n , L. Clarke n 

Contributors: S. Maity n, W. Wu n, C. Xu n, J. Tracy n , K. Gundogdu n , J. Bochinski n , L. Clarke n 

MeSH headings : Gold / chemistry; Gold / radiation effects; Hot Temperature; Light; Materials Testing / methods; Metal Nanoparticles / chemistry; Metal Nanoparticles / radiation effects; Metal Nanoparticles / ultrastructure; Nanoconjugates / chemistry; Nanoconjugates / radiation effects; Nanoconjugates / ultrastructure; Nanotubes / chemistry; Nanotubes / radiation effects; Nanotubes / ultrastructure; Spectrometry, Fluorescence / methods; Thermography / methods
topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Photoacoustic and Ultrasonic Imaging; Thermal Radiation and Cooling Technologies
TL;DR: These observations definitively demonstrate the presence of a steady-state temperature gradient and indicate that localized heating via the photothermal effect within materials enables nanoscale thermal manipulations without significantly altering the bulk sample temperature in these systems. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Thermal stability of silica-coated and uncoated gold nanorods in different environments

Abstracts of Papers of the American Chemical Society, 248. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000349167401528&KeyUID=WOS:000349167401528

By: W. Wu & J. Tracy 

Contributors: W. Wu & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2013 journal article

Airbrushed Nickel Nanoparticles for Large-Area Growth of Vertically Aligned Carbon Nanofibers on Metal (Al, Cu, Ti) Surfaces

ACS APPLIED MATERIALS & INTERFACES, 5(18), 8955–8960.

By: M. Sarac n, B. Anderson n, R. Pearce n, J. Railsback n, A. Oni n, R. White n, D. Hensley *, J. LeBeau n, A. Melechko n, J. Tracy n 

Contributors: M. Sarac n, B. Anderson n, R. Pearce n, J. Railsback n, A. Oni n, R. White n, D. Hensley *, J. LeBeau n, A. Melechko n, J. Tracy n 

author keywords: airbrushing; nickel; copper; nanoparticles; catalyst; carbon nanofibers; carbon nanotubes; metal foils
topics (OpenAlex): Graphene research and applications; Carbon Nanotubes in Composites; Diamond and Carbon-based Materials Research
TL;DR: Growth of carbon nanostructures on Cu is particularly noteworthy because the miscibility of Ni with Cu poses challenges for VACNF growth, and carbon nanstructures anchored to Cu substrates are desired as anode materials for Li-ion batteries and for thermal interface materials. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Airbrushed nickel nanoparticles for large-area growth of vertically aligned carbon nanofibers on metal surfaces and their transfer into polydimethylsiloxane (PDMS) films for impalefection

Abstracts of Papers of the American Chemical Society, 245. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000324303601022&KeyUID=WOS:000324303601022

By: M. Sarac, R. Pearce, B. Anderson, J. Railsback, D. Hensley, T. McKnight, J. Tracy , A. Melechko

Contributors: M. Sarac, R. Pearce, B. Anderson, J. Railsback, D. Hensley, T. McKnight, J. Tracy , A. Melechko

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2013 journal article

Anisotropic Thermal Processing of Polymer Nanocomposites via the Photothermal Effect of Gold Nanorods

PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, 30(2), 193–202.

By: S. Maity n, K. Kozek  n, W. Wu n, J. Tracy n , J. Bochinski n  & L. Clarke n 

Contributors: S. Maity n, K. Kozek  n, W. Wu n, J. Tracy n , J. Bochinski n  & L. Clarke n 

author keywords: gold nanorods; photothermal effect; polymer processing; fluorescence anisotropy; fluorescent temperature probe; plasmon resonance
topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Nanomaterials and Printing Technologies; Photoacoustic and Ultrasonic Imaging
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Bulky adamantanethiolate and cyclohexanethiolate ligands favor smaller gold nanoparticles with altered discrete sizes

Abstracts of Papers of the American Chemical Society, 245. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000324303601027&KeyUID=WOS:000324303601027

By: P. Krommenhoek, J. Wang, N. Hentz, A. Johnston-Peck, K. Kozek, G. Kalyuzhny, J. Tracy 

Contributors: P. Krommenhoek, J. Wang, N. Hentz, A. Johnston-Peck, K. Kozek, G. Kalyuzhny, J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2013 journal article

Chemical Analysis of Airbrushed Nickel Nanoparticles for Large-Area Growth of Vertically Aligned Carbon Nanofibers on Metal Surfaces

Microscopy and Microanalysis, 19(S2), 1572–1573.

By: A. Oni  n, R. White  n, M. Sarac  n, B. Anderson n, R. Pearce n, J. Railsback  n, D. Hensley *, A. Melechko n, J. Tracy n , J. LeBeau n

topics (OpenAlex): Advanced Materials Characterization Techniques; Ion-surface interactions and analysis; Carbon Nanotubes in Composites
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 journal article

Composition-Mediated Order-Disorder Transformation in FePt Nanoparticles

PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, 30(8), 678–682.

By: A. Johnston-Peck  n, D. Cullen * & J. Tracy n 

Contributors: A. Johnston-Peck  n, D. Cullen * & J. Tracy n 

author keywords: electron microscopy; intermetallic phases; iron; magnetic materials; platinum
topics (OpenAlex): Magnetic properties of thin films; Advanced Materials Characterization Techniques; nanoparticles nucleation surface interactions
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Control of branching in dendritic Ni3C1-x nanoparticles and their conversion into phosphides

Abstracts of Papers of the American Chemical Society, 246. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000329618404556&KeyUID=WOS:000329618404556

By: M. Sarac, W. Wu & J. Tracy 

Contributors: M. Sarac, W. Wu & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2013 journal article

Large-Scale Synthesis of Gold Nanorods through Continuous Secondary Growth

CHEMISTRY OF MATERIALS, 25(22), 4537–4544.

By: K. Kozek  n, K. Kozek n, W. Wu n, S. Mishra n & J. Tracy n 

Contributors: K. Kozek  n, K. Kozek n, W. Wu n, S. Mishra n & J. Tracy n 

author keywords: gold; silver; nanorods; seeded growth; surface plasmon resonance
topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Plasmonic and Surface Plasmon Research; Nanoparticle-Based Drug Delivery
TL;DR: It is reported that stirring coupled with continuous addition of ascorbic acid during secondary growth allows improved control over the AR and size of GNRs. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Magnetic Field-Directed Self-Assembly of Magnetic Nanoparticle Chains in Bulk Polymers

PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, 30(9), 759–763.

By: P. Krommenhoek n & J. Tracy n 

Contributors: P. Krommenhoek n & J. Tracy n 

author keywords: magnetic fields; magnetic nanoparticles; nanoparticle chains; polymers; self-assembly
topics (OpenAlex): Characterization and Applications of Magnetic Nanoparticles; Pickering emulsions and particle stabilization; Liquid Crystal Research Advancements
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Magnetic field-directed self-assembly of magnetic nanoparticle chains in bulk polymers

Abstracts of Papers of the American Chemical Society, 245. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000324303604513&KeyUID=WOS:000324303604513

By: P. Krommenhoek, R. Spontak & J. Tracy 

Contributors: P. Krommenhoek, R. Spontak & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2013 journal article

Magnetic field-directed self-assembly of magnetic nanoparticles

MRS BULLETIN, 38(11), 915–920.

By: J. Tracy n  & T. Crawford *

Contributors: J. Tracy n  & T. Crawford *

topics (OpenAlex): Characterization and Applications of Magnetic Nanoparticles; Micro and Nano Robotics; Minerals Flotation and Separation Techniques
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Motility-, autocorrelation-, and polarization-sensitive optical coherence tomography discriminates cells and gold nanorods within 3D tissue cultures

OPTICS LETTERS, 38(15), 2923–2926.

By: A. Oldenburg *, R. Chhetri *, J. Cooper*, W. Wu n, M. Troester * & J. Tracy n 

Contributors: A. Oldenburg *, R. Chhetri *, J. Cooper*, W. Wu n, M. Troester * & J. Tracy n 

MeSH headings : Gold / chemistry; Humans; Image Processing, Computer-Assisted / methods; Light; Mammary Glands, Human / cytology; Nanotubes; Scattering, Radiation; Tissue Culture Techniques; Tomography, Optical Coherence / methods
topics (OpenAlex): Optical Coherence Tomography Applications; Advanced Fluorescence Microscopy Techniques; Photoacoustic and Ultrasonic Imaging
TL;DR: The amplitude and time scale of the speckle fluctuations are combined with the cross-polarization pixel-wise to render Motility, autocorrelation, and polarization-sensitive (MAPS) OCT contrast images, which provides high specificity for discriminating diffusive gold nanorods and mammary epithelial cell spheroids within 3D tissue culture. (via Semantic Scholar)
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10. Reduced Inequalities (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Nanostructural transformations during the reduction of hollow and porous nickel oxide nanoparticles

NANOSCALE, 5(1), 155–159.

By: J. Medford n, A. Johnston-Peck n & J. Tracy n 

Contributors: J. Medford n, A. Johnston-Peck n & J. Tracy n 

MeSH headings : Hydrogen / chemistry; Macromolecular Substances / chemistry; Materials Testing; Metal Nanoparticles / chemistry; Metal Nanoparticles / ultrastructure; Molecular Conformation; Nickel / chemistry; Oxidation-Reduction; Porosity; Surface Properties
topics (OpenAlex): Copper-based nanomaterials and applications; ZnO doping and properties; Transition Metal Oxide Nanomaterials
TL;DR: Transmission electron microscopy reveals that the location and number of reduction sites strongly depend on the nanoparticle size and structure. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Teaching a Multidisciplinary Nanotechnology Laboratory Course to Undergraduate Students

Journal of Nano Education, 5(1), 17–26.

By: Y. Zhu* , J. Tracy* , J. Dong* , X. Jiang* , M. Jones & G. Childers

topics (OpenAlex): Nanotechnology research and applications; Nanowire Synthesis and Applications; Quantum-Dot Cellular Automata
Sources: Crossref, NC State University Libraries
Added: January 4, 2020

2013 journal article

Transfer of Vertically Aligned Carbon Nanofibers to Polydimethylsiloxane (PDMS) While Maintaining their Alignment and Impalefection Functionality

ACS APPLIED MATERIALS & INTERFACES, 5(3), 878–882.

By: R. Pearce n, J. Railsback n, B. Anderson n, M. Sarac n, T. McKnight *, J. Tracy n , A. Melechko n

Contributors: R. Pearce n, J. Railsback n, B. Anderson n, M. Sarac n, T. McKnight *, J. Tracy n , A. Melechko n

author keywords: carbon nanofibers; nickel; nanoparticles; catalyst; PECVD; transfection; nanomanufacturing
MeSH headings : Catalysis; Dimethylpolysiloxanes / chemistry; Endothelial Cells / cytology; Humans; Nanofibers / chemistry; Plasmids / genetics; Transfection / instrumentation
topics (OpenAlex): Carbon Nanotubes in Composites; Advanced Sensor and Energy Harvesting Materials; Graphene research and applications
TL;DR: The free-standing array in PDMS was loaded with pVENUS-C1 plasmid and human brain microcapillary endothelial (HBMEC) cells and was successfully impalefected. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Bulky Adamantanethiolate and Cyclohexanethiolate Ligands Favor Smaller Gold Nanoparticles with Altered Discrete Sizes

ACS NANO, 6(6), 4903–4911.

By: P. Krommenhoek n, J. Wang*, N. Hentz*, A. Johnston-Peck, K. Kozek, G. Kalyuzhny*, J. Tracy* 

Contributors: P. Krommenhoek n, J. Wang*, N. Hentz*, A. Johnston-Peck, K. Kozek, G. Kalyuzhny*, J. Tracy* 

author keywords: steric effects; bulky ligands; magic sizes; discrete sizes; clusters; gold; thiol
MeSH headings : Adamantane; Crystallization / methods; Cyclohexanes / chemistry; Gold / chemistry; Ligands; Macromolecular Substances / chemistry; Materials Testing; Molecular Conformation; Nanoparticles / chemistry; Nanoparticles / ultrastructure; Particle Size; Sulfhydryl Compounds / chemistry; Surface Properties
topics (OpenAlex): Nanocluster Synthesis and Applications; Gold and Silver Nanoparticles Synthesis and Applications; Quantum Dots Synthesis And Properties
TL;DR: Use of bulky ligands in the synthesis of metal nanoparticles (NPs) gives smaller core sizes, sharpens the size distribution, and alters the discrete sizes, which may also lead to the discovery of new discrete sizes in other systems. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Enabling of nanoparticle application and function on the surface of fibrous textiles by atomic layer deposition

Abstracts of Papers of the American Chemical Society, 243. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000324475104033&KeyUID=WOS:000324475104033

By: J. Halbur, P. Krommenhoek, H. Everitt, J. Tracy  & J. Jur

Contributors: J. Halbur, P. Krommenhoek, H. Everitt, J. Tracy  & J. Jur

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2012 journal article

Large-scale synthesis of gold nanorods through continuous secondary growth

Abstracts of Papers of the American Chemical Society, 244. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000324621802217&KeyUID=WOS:000324621802217

By: K. Kozek, K. Kozek, W. Wu & J. Tracy 

Contributors: K. Kozek, K. Kozek, W. Wu & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2012 journal article

Laterally patterned magnetic nanoparticles

JOURNAL OF MATERIALS CHEMISTRY, 22(5), 1962–1968.

By: Y. Jie*, J. Niskala*, A. Johnston-Peck n, P. Krommenhoek n, J. Tracy n , H. Fan *, W. You *

Contributors: Y. Jie*, J. Niskala*, A. Johnston-Peck n, P. Krommenhoek n, J. Tracy n , H. Fan *, W. You *

topics (OpenAlex): Molecular Junctions and Nanostructures; Nanofabrication and Lithography Techniques; Gold and Silver Nanoparticles Synthesis and Applications
TL;DR: This generalized approach is anticipated to be adaptable to many other kinds of nanoparticlesvia judicious selection of the substrates, surfactant ligands (on the nanoparticle), and/or surface-bound monolayers. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Long-range alignment of gold nanorods in electrospun polymer nano/microfibers

Abstracts of Papers of the American Chemical Society, 243. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000324475104032&KeyUID=WOS:000324475104032

By: K. Kozek, K. Roskov, W. Wu, R. Chhetri, A. Oldenburg, R. Spontak, J. Tracy 

Contributors: K. Kozek, K. Roskov, W. Wu, R. Chhetri, A. Oldenburg, R. Spontak, J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2012 article

Phase transformation of alumina-coated FePt nanoparticles

Johnston-Peck, A. C., & Tracy, J. B. (2012, April 1). JOURNAL OF APPLIED PHYSICS, Vol. 111.

By: A. Johnston-Peck n & J. Tracy n 

Contributors: A. Johnston-Peck n & J. Tracy n 

topics (OpenAlex): Magnetic properties of thin films; Advanced Materials Characterization Techniques; Semiconductor materials and interfaces
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

Coating Alumina on Catalytic Iron Oxide Nanoparticles for Synthesizing Vertically Aligned Carbon Nanotube Arrays

ACS Applied Materials & Interfaces, 3(11), 4180–4184.

By: X. Wang n, P. Krommenhoek n, P. Bradford n, B. Gong n, J. Tracy n , G. Parsons n , T. Luo n, Y. Zhu n 

Contributors: X. Wang n, P. Krommenhoek n, P. Bradford n, B. Gong n, J. Tracy n , G. Parsons n , T. Luo n, Y. Zhu n 

author keywords: carbon nanotubes; nanoparticles; iron oxide; chemical vapor deposition; atomic layer deposition
MeSH headings : Aluminum Oxide / chemistry; Catalysis; Ferric Compounds / chemistry; Nanotechnology / instrumentation; Nanotubes, Carbon / chemistry
topics (OpenAlex): Carbon Nanotubes in Composites; Graphene research and applications; Advancements in Battery Materials
TL;DR: Comparison with uncoated NPs shows that the Al(2)O(3) coating effectively prevents the catalyst NPs from sintering and coalescing, resulting in improved control over VACNT growth. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2011 journal article

Effects of Ligand Monolayers on Catalytic Nickel Nanoparticles for Synthesizing Vertically Aligned Carbon Nanofibers

ACS APPLIED MATERIALS & INTERFACES, 3(4), 936–940.

By: M. Sarac  n, R. Wilson n, A. Johnston-Peck n, J. Wang n, R. Pearce n, K. Klein *, A. Melechko n, J. Tracy n 

Contributors: M. Sarac  n, R. Wilson n, A. Johnston-Peck n, J. Wang n, R. Pearce n, K. Klein *, A. Melechko n, J. Tracy n 

author keywords: carbon nanofibers; nanoparticles; nickel; chemical vapor deposition; catalyst; ligand
topics (OpenAlex): Graphene research and applications; Advancements in Battery Materials; Carbon Nanotubes in Composites
TL;DR: Vertically aligned carbon nanofibers were synthesized using ligand-stabilized Ni nanoparticle catalysts and plasma-enhanced chemical vapor deposition to enable facile preparation of VACNF arrays with monodisperse diameters below the size limit of thin film lithography. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

Formation and Grain Analysis of Spin-Cast Magnetic Nanoparticle Monolayers

LANGMUIR, 27(8), 5040–5046.

By: A. Johnston-Peck n, J. Wang n & J. Tracy n 

Contributors: A. Johnston-Peck n, J. Wang n & J. Tracy n 

topics (OpenAlex): Magnetic properties of thin films; Characterization and Applications of Magnetic Nanoparticles; nanoparticles nucleation surface interactions
TL;DR: Computer-aided analysis of the arrays elucidates their grain structures, including identification of the grain boundaries and defects and measurements of thegrain orientations and translational correlation lengths. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

H-1, C-13 and P-31 NMR study of precursor evolution in the synthesis of magic-size II-VI semiconductor nanocrystals

Abstracts of Papers of the American Chemical Society, 241. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000291982801308&KeyUID=WOS:000291982801308

By: E. Rachtman, M. Jung, A. Johnston-Peck, J. Tracy  & G. Kalyuzhny

Contributors: E. Rachtman, M. Jung, A. Johnston-Peck, J. Tracy  & G. Kalyuzhny

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2011 journal article

Imaging three-dimensional rotational diffusion of plasmon resonant gold nanorods using polarization-sensitive optical coherence tomography

PHYSICAL REVIEW E, 83(4).

By: R. Chhetri *, K. Kozek  n, A. Johnston-Peck n, J. Tracy n  & A. Oldenburg *

Contributors: R. Chhetri *, K. Kozek  n, A. Johnston-Peck n, J. Tracy n  & A. Oldenburg *

MeSH headings : Diffusion; Gold / chemistry; Imaging, Three-Dimensional / methods; Nanotubes / chemistry; Nephelometry and Turbidimetry / methods; Refractometry / methods; Surface Plasmon Resonance / methods; Tomography, Optical Coherence / methods
topics (OpenAlex): Optical Coherence Tomography Applications; Photoacoustic and Ultrasonic Imaging; Characterization and Applications of Magnetic Nanoparticles
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

Long-Range Alignment of Gold Nanorods in Electrospun Polymer Nano/Microfibers

Langmuir, 27(23), 13965–13969.

By: K. Roskov n, K. Kozek  n, W. Wu n, R. Chhetri *, A. Oldenburg *, R. Spontak n , J. Tracy n 

Contributors: K. Roskov n, K. Kozek  n, W. Wu n, R. Chhetri *, A. Oldenburg *, R. Spontak n , J. Tracy n 

MeSH headings : Algorithms; Gold / chemistry; Nanofibers / chemistry; Nanotubes / chemistry; Particle Size; Polyethylene Glycols / chemistry; Surface Properties
topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Electrospun Nanofibers in Biomedical Applications; Plasmonic and Surface Plasmon Research
TL;DR: Optical absorbance spectroscopy measurements reveal that the longitudinal surface plasmon resonance bands of the aligned GNRs depend on the polarization angle and that maximum extinction occurs when the polarization is parallel to n. (via Semantic Scholar)
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Sources: ORCID, Crossref, NC State University Libraries
Added: December 14, 2018

2011 journal article

Order-Disorder Phase Conversion of FePt Nanoparticles for Ultrahigh-Density Magnetic Recording

Microscopy and Microanalysis, 17(S2), 1830–1831.

By: A. Johnston-Peck  n, G. Scarel  n, J. Wang n, G. Parsons n  & J. Tracy n 

topics (OpenAlex): Magnetic properties of thin films; Advanced Materials Characterization Techniques; Electron and X-Ray Spectroscopy Techniques
Sources: Crossref, NC State University Libraries
Added: September 8, 2020

2011 journal article

Silver nanoparticles stabilized by sterically-bulky ligands

Abstracts of Papers of the American Chemical Society, 242. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000299378304116&KeyUID=WOS:000299378304116

By: K. Kozek, A. Johnston-Peck, J. Wang & J. Tracy 

Contributors: K. Kozek, A. Johnston-Peck, J. Wang & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2011 journal article

Sinter-free phase conversion and scanning transmission electron microscopy of FePt nanoparticle monolayers

NANOSCALE, 3(10), 4142–4149.

By: A. Johnston-Peck n, G. Scarel n, J. Wang n, G. Parsons n  & J. Tracy n 

Contributors: A. Johnston-Peck n, G. Scarel n, J. Wang n, G. Parsons n  & J. Tracy n 

MeSH headings : Aluminum Oxide / chemistry; Iron / chemistry; Magnetics; Metal Nanoparticles / chemistry; Metal Nanoparticles / ultrastructure; Microscopy, Electron, Scanning Transmission; Particle Size; Platinum / chemistry; Temperature
topics (OpenAlex): Magnetic properties of thin films; Semiconductor materials and interfaces; Semiconductor materials and devices
TL;DR: Electron and X-ray diffraction in conjunction with high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) show that as-synthesized A1 FePt NPs convert into L1(0) and L1 (2) phase NPs through annealing, highlighting the need for improved control over the compositional uniformity of FePT NPs for their use in bit-patterned magnetic recording. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

Synthesis and optical properties of nanocrystals, nanowires, and nanoplates of ZnSe and ZnTe

Abstracts of Papers of the American Chemical Society, 241. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000291982801309&KeyUID=WOS:000291982801309

By: K. Gong, A. Johnston-Peck, J. Tracy  & G. Kalyuzhny

Contributors: K. Gong, A. Johnston-Peck, J. Tracy  & G. Kalyuzhny

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2011 journal article

Synthesis of Au(Core)/Ag(Shell) Nanoparticles and their Conversion to AuAg Alloy Nanoparticles

SMALL, 7(2), 230–234.

By: M. Shore n, J. Wang n, A. Johnston-Peck n, A. Oldenburg * & J. Tracy n 

Contributors: M. Shore n, J. Wang n, A. Johnston-Peck n, A. Oldenburg * & J. Tracy n 

MeSH headings : Alloys / chemistry; Gold / chemistry; Metal Nanoparticles / chemistry; Silver / chemistry
topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Nanomaterials for catalytic reactions; Copper-based nanomaterials and applications
TL;DR: A facile, stoichiometrically controlled synthesis of Au(core)/Ag(shell) and AuAg alloy NPs through digestive ripening is reported, which is a potentially general method for synthesizing Alloy NPs. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2011 journal article

Synthesis of ligand-stabilized CoNi nanoparticles with tunable sizes and compositions

Abstracts of Papers of the American Chemical Society, 242. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000299378304115&KeyUID=WOS:000299378304115

By: K. Marusak, A. Johnston-Peck & J. Tracy 

Contributors: K. Marusak, A. Johnston-Peck & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2010 journal article

Chemical and nanostructural transformations during reactions of metal nanoparticles

Abstracts of Papers of the American Chemical Society, 240. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000208164700437&KeyUID=WOS:000208164700437

By: J. Tracy 

Contributors: J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2010 journal article

Determination of Local Oxidations States in Ni-NiO Core-shell Structures Using White Line Intensity Ratios

Microscopy and Microanalysis, 16(S2), 1458–1459.

By: S. Weil*, J. Wang n, J. Tracy n  & K. van Benthem *

topics (OpenAlex): Electron and X-Ray Spectroscopy Techniques; Advanced Materials Characterization Techniques; Ion-surface interactions and analysis
Sources: Crossref, NC State University Libraries
Added: September 8, 2020

2010 journal article

Size-Dependent Nanoscale Kirkendall Effect During the Oxidation of Nickel Nanoparticles

ACS NANO, 4(4), 1913–1920.

By: J. Railsback n, A. Johnston-Peck n, J. Wang n & J. Tracy n 

Contributors: J. Railsback n, A. Johnston Peck n, J. Wang n & J. Tracy n 

author keywords: Kirkendall effect; nanoparticle; nickel; nickel oxide; hollow nanoparticles; diffusion
topics (OpenAlex): Copper-based nanomaterials and applications; Nanomaterials for catalytic reactions; Electrocatalysts for Energy Conversion
TL;DR: By choosing an intermediate oxidation temperature and varying the reaction time, partially oxidized Ni(core)/NiO(shell) NPs can be synthesized with good control and have distinct nanostructures. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

COLL 111-Formation and grain analysis of magnetic nanoparticle monolayers

Abstracts of Papers of the American Chemical Society, 238. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000207861903465&KeyUID=WOS:000207861903465

By: A. Johnston-Peck, J. Wang & J. Tracy 

Contributors: A. Johnston-Peck, J. Wang & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2009 journal article

Nickel Phosphide Nanoparticles with Hollow, Solid, and Amorphous Structures

CHEMISTRY OF MATERIALS, 21(19), 4462–4467.

By: J. Wang n, A. Johnston-Peck n & J. Tracy n 

Contributors: J. Wang n, A. Johnston Peck n & J. Tracy n 

topics (OpenAlex): Catalysis and Hydrodesulfurization Studies; Nanomaterials for catalytic reactions; Electrocatalysts for Energy Conversion
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

Synthesis and Structural and Magnetic Characterization of Ni(Core)/NiO(Shell) Nanoparticles

ACS NANO, 3(5), 1077–1084.

By: A. Johnston-Peck n, J. Wang n & J. Tracy n 

Contributors: A. Johnston Peck n, J. Wang n & J. Tracy n 

author keywords: magnetic nanoparticles; exchange bias; nickel; nickel oxide; superparamagnetism; magnetic anisotropy
MeSH headings : Crystallization / methods; Macromolecular Substances / chemistry; Magnetics; Materials Testing; Molecular Conformation; Nanostructures / chemistry; Nanostructures / ultrastructure; Nanotechnology / methods; Nickel / chemistry; Particle Size; Surface Properties
topics (OpenAlex): Magnetic properties of thin films; ZnO doping and properties; Transition Metal Oxide Nanomaterials
TL;DR: A size series of ligand-stabilized Ni nanoparticles (NPs) with diameters between 8-24 nm was prepared by solution chemistry, followed by solution-phase oxidation with atmospheric oxygen at 200 degrees C to form Ni(core)/NiO(shell) NPs with shell thicknesses of 2-3 nm. (via Semantic Scholar)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2009 journal article

Tandem Mass Spectrometry of Thiolate-Protected Au Nanoparticles NaxAu25(SC2H4Ph)(18-y)(S(C2H4O)(5)CH3)(y)

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 131(38), 13844–13851.

By: C. Fields-Zinna n, J. Sampson n, M. Crowe n, J. Tracy n , J. Parker  n, A. deNey n, D. Muddiman n , R. Murray n

Contributors: C. Fields Zinna n, J. Sampson n, M. Crowe n, J. Tracy n , J. Parker  n, A. Deney n, D. Muddiman n , R. Murray n

MeSH headings : Crystallography, X-Ray; Gold / chemistry; Metal Nanoparticles / chemistry; Sulfhydryl Compounds / chemistry; Tandem Mass Spectrometry
topics (OpenAlex): Nanocluster Synthesis and Applications; Advanced Nanomaterials in Catalysis; Advanced biosensing and bioanalysis techniques
TL;DR: The first collision-induced dissociation tandem mass spectrometry (CID MS/MS) of a thiolate-protected Au nanoparticle that has a crystallographically determined structure is reported, and previously unreported results show that even soft ionization sources can result in Au nanoparticles fragmentation. (via Semantic Scholar)
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Gold nanoparticles with perfluorothiolate ligands

LANGMUIR, 24(1), 310–315.

By: A. Dass *, R. Guo *, J. Tracy* , R. Balasubramanian*, A. Douglas* & R. Murray*

Contributors: A. Dass *, R. Guo *, J. Tracy* , R. Balasubramanian*, A. Douglas* & R. Murray*

topics (OpenAlex): Nanocluster Synthesis and Applications; Gold and Silver Nanoparticles Synthesis and Applications; Quantum Dots Synthesis And Properties
TL;DR: Two syntheses of gold nanoparticles with fluorinated alkyl and aryl thiolate ligands are reported, and both varieties of fluorous nanoparticles exhibit solubilities typical of perfluorinated materials, as opposed to proteo versions. (via Semantic Scholar)
Source: ORCID
Added: December 14, 2018

2008 journal article

INOR 620-Exchange bias and the magnetic properties of oxidized nickel nanoparticles

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 236. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000270256306531&KeyUID=WOS:000270256306531

By: J. Wang, A. Johnston Peck & J. Tracy 

Contributors: J. Wang, A. Johnston Peck & J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2008 journal article

Incorporation of iron oxide nanoplarticles and quantum dots into silica microspheres

ACS NANO, 2(2), 197–202.

By: N. Insin *, J. Tracy* , H. Lee *, J. Zimmer*, R. Westervelt * & M. Bawendi*

Contributors: N. Insin *, J. Tracy* , H. Lee *, J. Zimmer*, R. Westervelt * & M. Bawendi*

author keywords: silica microspheres; superparamagnetic; fluorescent; iron oxide nanoparticles; quantum dots; magnetic manipulation; multifunctional microspheres
MeSH headings : Crystallization / methods; Ferric Compounds / chemistry; Macromolecular Substances / chemistry; Magnetics / methods; Materials Testing; Microspheres; Molecular Conformation; Nanostructures / chemistry; Nanostructures / ultrastructure; Nanotechnology / methods; Particle Size; Quantum Dots; Silicon Dioxide / chemistry; Surface Properties
topics (OpenAlex): Quantum Dots Synthesis And Properties; Characterization and Applications of Magnetic Nanoparticles; Photonic Crystals and Applications
TL;DR: The synthesis of magnetic and fluorescent silica microspheres fabricated by incorporating maghemite (gamma-Fe2O3) nanoparticles (MPs) and CdSe/CdZnS core/shell quantum dots (QDs) into a silica shell around preformed silicaMicrospheres have a narrow size distribution and show uniform incorporation of QDs and MPs into the shell. (via Semantic Scholar)
Source: ORCID
Added: December 14, 2018

2008 journal article

NUCL 27-Magnetic and metallic monolayer-protected nanoparticles

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 236. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000270256305758&KeyUID=WOS:000270256305758

By: J. Tracy 

Contributors: J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2008 journal article

Nanoparticle MALDI-TOF mass spectrometry without fragmentation: Au-25(SCH2CH2Ph)(18) and mixed monolayer Au-25(SCH2CH2Ph)(18-x)(L)(x)

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 130(18), 5940–5946.

By: A. Dass *, A. Stevenson*, G. Dubay*, J. Tracy*  & R. Murray*

Contributors: A. Dass *, A. Stevenson*, G. Dubay*, J. Tracy*  & R. Murray*

topics (OpenAlex): Nanocluster Synthesis and Applications; Gold and Silver Nanoparticles Synthesis and Applications; Advanced Nanomaterials in Catalysis
TL;DR: Intact molecular ions of the organothiolate-protected nanoparticle Au25(SCH2CH2Ph)18 can be observed by MALDI-TOF mass spectrometry when using a tactic of threshold laser pulse intensities and trans-2-[3-(4-tert-butylphenyl)-2-methyl-2-propenylidene]malononitrile (DCTB) as matrix. (via Semantic Scholar)
Source: ORCID
Added: December 14, 2018

2008 journal article

Size limitations for the formation of ordered striped nanoparticles

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 130(3), 798-+.

By: R. Carney *, G. Devries*, C. Dubois *, H. Kim *, J. Kim *, C. Singh*, P. Ghorai *, J. Tracy*  ...

Contributors: R. Carney *, G. Devries*, C. Dubois *, H. Kim *, J. Kim *, C. Singh*, P. Ghorai *, J. Tracy*  ...

MeSH headings : Gold / chemistry; Metal Nanoparticles / chemistry; Particle Size
topics (OpenAlex): Gold and Silver Nanoparticles Synthesis and Applications; Nanocluster Synthesis and Applications; Polymer Surface Interaction Studies
TL;DR: It is demonstrated that only NPs within a certain size range can form chains, and it is concluded that the rippled morphology of the ligand shell also exists only within that given size range. (via Semantic Scholar)
Source: ORCID
Added: December 14, 2018

2007 journal article

COLL 242-Nanoparticle-based optical probes for chemical imaging

Abstracts of Papers of the American Chemical Society, 233. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000207722801352&KeyUID=WOS:000207722801352

By: J. Tracy , M. Crowe, C. Fields-Zinna, J. Parker, G. Kalyuzhny, L. Menard, R. Balasubramanian, J. Choi, R. Nuzzo, R. Murray

Contributors: J. Tracy , M. Crowe, C. Fields-Zinna, J. Parker, G. Kalyuzhny, L. Menard, R. Balasubramanian, J. Choi, R. Nuzzo, R. Murray

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2007 journal article

COLL 270-Fluorinated gold thiolate nanoparticles by Brust synthesis and ligand exchange

Abstracts of Papers of the American Chemical Society, 234. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000207593902137&KeyUID=WOS:000207593902137

By: A. Dass, R. Gao, R. Balasubramanian, A. Douglas, J. Tracy  & R. Murray

Contributors: A. Dass, R. Gao, R. Balasubramanian, A. Douglas, J. Tracy  & R. Murray

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2007 journal article

Electrospray ionization mass spectrometry of uniform and mixed monolayer nanoparticles: Au-25[S(CH2)(2)Ph](18) and Au-25[S(CH2)(2)Ph](18-x)(SR)(x)

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 129(51), 16209–16215.

By: J. Tracy* , M. Crowe, J. Parker, O. Hampe, C. Fields Zinna, A. Dass, R. Murray

Contributors: J. Tracy* , M. Crowe, J. Parker, O. Hampe, C. Fields Zinna, A. Dass, R. Murray

MeSH headings : Nanoparticles; Spectrometry, Mass, Electrospray Ionization / methods
topics (OpenAlex): Nanocluster Synthesis and Applications; Gold and Silver Nanoparticles Synthesis and Applications; Advanced biosensing and bioanalysis techniques
TL;DR: New approaches to electrospray ionization mass spectrometry (ESI-MS) with exact compositional assignments-of small (Au25) nanoparticles with uniform and mixed protecting organothiolate monolayers are described, which expand the scope of analysis and reveal a rich chemistry of ionization behavior. (via Semantic Scholar)
Source: ORCID
Added: December 14, 2018

2007 journal article

Fully ferrocenated hexanethiolate monolayer-protected gold clusters

LANGMUIR, 23(4), 2247–2254.

By: R. Wolfe*, R. Balasubramanian*, J. Tracy*  & R. Murray*

Contributors: R. Wolfe*, R. Balasubramanian*, J. Tracy*  & R. Murray*

topics (OpenAlex): Molecular Junctions and Nanostructures; Electrocatalysts for Energy Conversion; Nanocluster Synthesis and Applications
TL;DR: The synthesis and compositional analysis of four different gold clusters with protecting monolayers comprised solely of ferrocene hexanethiolate ligands is described, showing unequivocally that the number of ferroenes and core of the ferrocenated Au314 nanoparticle deliver 60 electrons at the ferroene oxidation potential, which amounts to a very large volume charge capacity, 7x10(9) C/m3, for an undiluted nanoparticle sample. (via Semantic Scholar)
Source: ORCID
Added: December 14, 2018

2007 journal article

INOR 434-Incorporation of magnetic nanoparticles and quantum dots into silica microspheres

Abstracts of Papers of the American Chemical Society, 234. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000207593909610&KeyUID=WOS:000207593909610

By: N. Insin, J. Tracy , H. Lee, J. Zimmer, R. Westervelt & M. Bawendi

Contributors: N. Insin, J. Tracy , H. Lee, J. Zimmer, R. Westervelt & M. Bawendi

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2007 journal article

Poly(ethylene glycol) ligands for high-resolution nanoparticle mass spectrometry

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 129(21), 6706-+.

By: J. Tracy* , G. Kalyuzhny*, M. Crowe*, R. Balasubramanian*, J. Choi* & R. Murray*

Contributors: J. Tracy* , G. Kalyuzhny*, M. Crowe*, R. Balasubramanian*, J. Choi* & R. Murray*

MeSH headings : Ligands; Metal Nanoparticles / chemistry; Polyethylene Glycols / chemistry; Spectrometry, Mass, Electrospray Ionization / methods
topics (OpenAlex): Nanocluster Synthesis and Applications; Gold and Silver Nanoparticles Synthesis and Applications; Advanced biosensing and bioanalysis techniques
TL;DR: Measurements of the core and ligand monolayer compositions of small gold nanoparticles (NPs) using electrospray ionization (ESI) mass spectrometry showed unequivocally that the NP composition is Au25(ligand)18. (via Semantic Scholar)
Source: ORCID
Added: December 14, 2018

2007 journal article

Preparation and characterization of bimetal thiolate monolayer protected clusters (MPCs)

Abstracts of Papers of the American Chemical Society, 234. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000207593902362&KeyUID=WOS:000207593902362

By: C. Fields-Zinna, J. Tracy , M. Crowe & R. Murray

Contributors: C. Fields-Zinna, J. Tracy , M. Crowe & R. Murray

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2006 journal article

Arylthiolate-protected silver quantum dots

LANGMUIR, 22(26), 11376–11383.

By: M. Branham*, A. Douglas*, A. Mills*, J. Tracy* , P. White * & R. Murray*

Contributors: M. Branham*, A. Douglas*, A. Mills*, J. Tracy* , P. White * & R. Murray*

MeSH headings : Gold / chemistry; Materials Testing / methods; Quantum Dots; Silver / chemistry; Sulfhydryl Compounds / chemistry
topics (OpenAlex): Nanocluster Synthesis and Applications; Gold and Silver Nanoparticles Synthesis and Applications; Quantum Dots Synthesis And Properties
TL;DR: A new, organic-soluble 4-tert-butylbenzyl mercaptan (BBT) monolayer-protected silver cluster (AgBBT MPC) is described as the first example of a dissolved silver nanoparticle that exhibits quantized one-electron double layer charging (QDL) voltammetry. (via Semantic Scholar)
Source: ORCID
Added: December 14, 2018

2006 journal article

COLL 236-Characterization of small Au monolayer protected clusters using electrospray mass spectrometry

Abstracts of Papers of the American Chemical Society, 232. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000207781603512&KeyUID=WOS:000207781603512

By: J. Tracy , G. Kalyuzhny, L. Menard, R. Balasubramanian, J. Choi, M. Crowe, R. Nuzzo, R. Murray

Contributors: J. Tracy , G. Kalyuzhny, L. Menard, R. Balasubramanian, J. Choi, M. Crowe, R. Nuzzo, R. Murray

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2006 journal article

Chemistry of metal and metal oxide nanoparticles: Characterization of small Au nanoparticles using electrospray mass spectrometry

Abstracts of Papers of the American Chemical Society, 232, 18. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000207781600016&KeyUID=WOS:000207781600016

By: J. Tracy , G. Kalyuzhny, L. Menard, R. Balasubramanian, J. Choi, M. Crowe, R. Nuzzo, R. Murray

Contributors: J. Tracy , G. Kalyuzhny, L. Menard, R. Balasubramanian, J. Choi, M. Crowe, R. Nuzzo, R. Murray

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2006 journal article

Defects in CoO in oxidized cobalt nanoparticles dominate exchange biasing and exhibit anomalous magnetic properties

PHYSICAL REVIEW B, 74(18).

By: J. Tracy*  & M. Bawendi*

Contributors: J. Tracy*  & M. Bawendi*

topics (OpenAlex): Magnetic properties of thin films; Theoretical and Computational Physics; Characterization and Applications of Magnetic Nanoparticles
Source: ORCID
Added: December 14, 2018

2006 conference paper

Engineering InAsxP1-x/InP/ZnSe III-V alloyed core/shell quantum dots for the near infrared

231st National Meeting of the American-Chemical-Society, 231. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000238125905210&KeyUID=WOS:000238125905210

By: S. Kim, J. Zimmer, S. Ohnishi, J. Tracy , J. Frangioni & M. Bawendi

Contributors: S. Kim, J. Zimmer, S. Ohnishi, J. Tracy , J. Frangioni & M. Bawendi

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2005 conference paper

Defects in CoO dominate exchange biasing in Co(core)/CoO(shell) nanoparticles.

229th National Meeting of the American-Chemical-Society, 229, U976. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000228177707104&KeyUID=WOS:000228177707104

By: J. Tracy  & M. Bawendi

Contributors: J. Tracy  & M. Bawendi

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

2005 journal article

Engineering InAsxP1-x/InP/ZnSe III−V Alloyed Core/Shell Quantum Dots for the Near-Infrared

Journal of the American Chemical Society, 127(30), 10526–10532.

By: S. Kim*, J. Zimmer*, S. Ohnishi *, J. Tracy* , J. Frangioni* & M. Bawendi*

Contributors: S. Kim*, J. Zimmer*, S. Ohnishi *, J. Tracy* , J. Frangioni* & M. Bawendi*

MeSH headings : Alloys / chemistry; Animals; Arsenicals / chemistry; Indium / chemistry; Phosphines / chemistry; Quantum Dots; Rats; Selenium Compounds / chemistry; Sentinel Lymph Node Biopsy; Spectroscopy, Near-Infrared / methods; X-Ray Diffraction; Zinc Compounds / chemistry
topics (OpenAlex): Quantum Dots Synthesis And Properties; Chalcogenide Semiconductor Thin Films; Perovskite Materials and Applications
TL;DR: Quantum dots with a core/shell/shell structure consisting of an alloyed core of InAs(x)P(1-x), an intermediate shell of InP, and an outer shell of ZnSe were developed and successfully used in a sentinel lymph node mapping experiment. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: December 14, 2018

2005 journal article

Exchange biasing and magnetic properties of partially and fully oxidized colloidal cobalt nanoparticles

PHYSICAL REVIEW B, 72(6).

By: J. Tracy* , D. Weiss*, D. Dinega* & M. Bawendi*

Contributors: J. Tracy* , D. Weiss*, D. Dinega* & M. Bawendi*

topics (OpenAlex): Magnetic properties of thin films; Characterization and Applications of Magnetic Nanoparticles; Magnetic and transport properties of perovskites and related materials
Source: ORCID
Added: December 14, 2018

2005 journal article

Phosphine Oxide Polymer for Water-Soluble Nanoparticles

Journal of the American Chemical Society, 127(13), 4556–4557.

By: S. Kim*, S. Kim *, J. Tracy* , A. Jasanoff * & M. Bawendi*

MeSH headings : Gels / chemistry; Nanostructures / chemistry; Oxides / chemistry; Phosphines / chemistry; Polyethylene Glycols / chemistry; Polymers / chemistry; Solubility; Water / chemistry
topics (OpenAlex): Polyoxometalates: Synthesis and Applications; Advanced Photocatalysis Techniques; Quantum Dots Synthesis And Properties
TL;DR: A phosphine oxide polymer was developed using bis(dichlorophosphino)ethane and poly(ethylene glycol) to transfer various nanoparticles from organic solvents to water, retaining their physical properties and reactivities. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: September 9, 2020

2005 journal article

Phosphine oxide polymer for water-soluble nanoparticles

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 127(13), 4556–4557.

By: S. Kim, S. Kim, J. Tracy , A. Jasanoff & M. Bawendi

Contributors: S. Kim, S. Kim, J. Tracy , A. Jasanoff & M. Bawendi

topics (OpenAlex):
Source: ORCID
Added: December 14, 2018

2002 journal article

Preparation, characterization and applications of free-standing single walled carbon nanotube thin films

PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 4(11), 2273–2277.

By: F. Hennrich, S. Lebedkin*, S. Malik, J. Tracy* , M. Barczewski, H. Rosner, M. Kappes *

Contributors: F. Hennrich, S. Lebedkin*, S. Malik, J. Tracy* , M. Barczewski, H. Rosner, M. Kappes *

topics (OpenAlex): Carbon Nanotubes in Composites; Mechanical and Optical Resonators; Force Microscopy Techniques and Applications
Source: ORCID
Added: December 14, 2018

1999 journal article

The effect of oxidation state and speciation on XANES spectra of plutonium.

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 217, U59. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000079148200192&KeyUID=WOS:000079148200192

By: D. Veirs, S. Conradson, D. Clark, D. Keogh, M. Neu, S. Reilly, W. Runde, P. Palmer, J. Tracy 

Contributors: D. Veirs, S. Conradson, D. Clark, D. Keogh, M. Neu, S. Reilly, W. Runde, P. Palmer, J. Tracy 

gateway.webofknowledge.com
Source: ORCID
Added: December 14, 2018

Employment

Updated: November 26th, 2017 11:42

2007 - present

North Carolina State University Raleigh, North Carolina, US
Department of Materials Science and Engineering

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