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You searched on: Author: Justin Gorham

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Published: 11/5/2015
Authors: Kar T. Tan, Christopher C White, Donald Lee Hunston, Justin M Gorham, Michael Imburgia, Aaron M Forster, Vogt D Bryan
Abstract: Engineering joints consisting of polymer/inorganic interfaces are commonly exposed to less than ideal conditions during normal service; these environmental conditions present a significant challenge for maintaining the structural integrity of the int ...

2. Detecting Carbon in Carbon: Application of Differential Charging to Obtain Information on the Chemical Identity and Spatial Location of Carbon Nanotube Aggregates in Composites by Imaging X-ray Photoelectron Spectroscopy
Published: 10/24/2015
Authors: Justin M Gorham, William A Osborn, Jeremiah W Woodcock, Keana C K Scott, John Michael Heddleston, Angela R Hight Walker, Jeffrey W Gilman
Abstract: The surface contributions and dispersion properties of multiwalled carbon nanotubes (MWCNT) within a composite are important measurements to perform on nano-enabled products in order to help answer environmental health and safety questions associated ...

3. Unexpected Changes in Functionality and Surface Coverage for Au Nanoparticle PEI Conjugates: Implications for Stability and Efficacy in Biological Systems
Published: 6/26/2015
Authors: Tae Joon Cho, John M Pettibone, Justin M Gorham, Thao M. Nguyen, Robert I. MacCuspie, Julien C. Gigault, Vincent A Hackley
Abstract: Attached.

4. Interactions of Microorganisms with Polymer Nanocomposites Containing Different Loadings of Oxidized Single and Multi-walled Carbon Nanotubes
Published: 3/27/2015
Authors: David G Goodwin , Kris M Marsh, Iruhany B Sosa, Julianne B Payne, Justin M Gorham, Edward J Bouwer, D Howard Fairbrother
Abstract: The environmental fate and impact of polymer nanocomposites (PNCs) containing carbon nanotubes (CNTs) will depend upon their interactions with microorganisms, with implications for the antimicrobial properties and long term persistence of PNCs. Usin ...

5. Challenges, Strategies and Opportunities for Measuring Carbon Nanotubes within a Polymer Composites by X-ray Photoelectron Spectroscopy
Series: Special Publication (NIST SP)
Report Number: 1200-10
Published: 3/14/2015
Authors: Justin M Gorham, Jeremiah W Woodcock, Keana C K Scott
Abstract: FOREWORD This NIST Special Publication (SP) is one in a series of NIST SPs that address research needs articulated in the National Nanotechnology Initiative (NNI) Environmental, Health, and Safety Research Strategy published in 2011 [1]. This ...

6. Preparation of silver nanoparticle loaded cotton threads to facilitate measurement development for textile applications
Series: Special Publication (NIST SP)
Report Number: 1200-8
Published: 1/26/2015
Authors: Justin M Gorham, Karen E Murphy, Jingyu Liu, Dimitri Tselenchuk, Gheorghe Stan, Thao M. Nguyen, Richard D Holbrook, Michael R Winchester, Robert Francis Cook, Robert MacCuspie, Vincent A Hackley
Abstract: FOREWORD This NIST special publication (SP) is one in a series of NIST SPs that address research needs articulated in the National Nanotechnology Initiative (NNI) Environmental, Health, and Safety Research Strategy published in 2011 [1]. This ...

7. A pilot interlaboratory comparison of protocols that simulate aging of nanocomposites and detect released fragments
Published: 10/1/2014
Authors: Wendel Wohlleben, Deborah L Stanley, Justin M Gorham, Li Piin Sung, Tinh Nguyen
Abstract: The safe use of nanocomposites depends, in part, on a good understanding of the fate of nanofillers throughout the nanocomposite,s lifecycle. Various modifications of ISO weathering protocols have been proposed to assess what is released and at which ...

8. High throughput measurements of thermochromic behavior in V_{1-x}Nb_xO_2 combinatorial thin film libraries
Published: 9/2/2014
Authors: Sara Cordero Barron, Justin M Gorham, Martin L Green, Mitul P. Patel
Abstract: We describe the high-throughput characterization of near infrared thermochromism in V1-xNbxO2 combinatorial thin film libraries. The oxide thin film libraries are prepared with a VO2 crystal structure and a continuous gradient in composition from imp ...

9. Multi-method analysis of multiwall carbon nanotube polymer nanocomposite samples after photodegradation
Published: 6/16/2014
Authors: Elijah J Petersen, Thomas F. Lam, Justin M Gorham, Keana C K Scott, Christian John Long, Renu Sharma, Li Piin Sung, James Alexander Liddle, Tinh Nguyen
Abstract: Nanomaterials can be used as nanofillers to enhance the properties of polymeric materials. However, the effect of weathering on nanocomposites and the potential for nanomaterial release is not yet well understood. Multiple analytical methods are ne ...

10. Use of Single Particle Inductively Coupled Plasma Mass Spectrometry to Characterize a New Silver Nanoparticle Reference Material
Published: 6/11/2014
Authors: Karen E Murphy, Jingyu Liu, William F Guthrie, Justin M Gorham, John E Bonevich, Andrew John Allen, Michael R Winchester, Vincent A Hackley, Robert MacCuspie
Abstract: In this study we use inductively coupled plasma mass spectrometry operated in single particle mode (spICP-MS) to simultaneously characterize the size distribution and dissolved silver fraction of a new silver nanoparticle (AgNP) candidate reference m ...

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  • SP 250-XX: Calibration Services
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