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Topic Area: Nanotech/Environment, Health
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1. 3D elemental and structural analysis of biological specimens using electrons and ions
Topic: Nanotech/Environment, Health & Safety
Published: 8/26/2010
Author: Keana C K Scott
Abstract: We demonstrate the utility of focused ion beam scanning electron microscopy (FIB SEM) combined with energy dispersive x-ray spectrometry (EDS) for 3-dimensional (3D) morphological and elemental correlative analysis of sub-cellular features. Althoug ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905503

2. Characterization of Nanoparticle Release from Polymer Nanocomposites Due to Fire
Topic: Nanotech/Environment, Health & Safety
Published: 7/6/2011
Authors: Nasir M. Uddin, Marc R. Nyden, Rick D Davis
Abstract: Engineered nanoparticles, such as carbon nanotubes (CNTs) and nanofibers (CNFs) are increasingly being used as fire retardants and performance additives in polymeric materials. However, because of their small size and ability to interact with biologi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908221

3. Determination of Moisture Content of Single-Wall Carbon Nanotubes
Topic: Nanotech/Environment, Health & Safety
Published: 10/17/2011
Authors: Rolf Louis Zeisler, Rabia Oflaz, Ralph E. Sturgeon, Rick L Paul, Brian E Lang, Jeffrey A Fagan, Joseph W Lam, Anthony Windust, P Grinberg, Benoit Simard, Christopher T. Kingston
Abstract: Several techniques were evaluated for the establishment of reliable water/moisture content of single-wall carbon nanotubes. Karl Fischer titration (KF) provides for a direct measure of the water content and was used for benchmarking against results ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908873

4. Disentangling the effects of polymer coatings on silver nanoparticle agglomeration, dissolution, and toxicity to determine mechanisms of nanotoxicity
Topic: Nanotech/Environment, Health & Safety
Published: 9/1/2012
Authors: Justin M Zook, Melissa Danielle Halter, Danielle Cleveland, Stephen E Long
Abstract: Silver nanoparticles (AgNPs) are frequently coated by a variety of polymers, which may affect various intertwined mechanisms of toxicity, including agglomeration and dissolution rate. Here, we measure how citrate, dextran, poly(ethylene glycol) (PEG ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908497

5. Dynamic light scattering investigations of nanoparticle aggregation following a light-induced pH jump
Topic: Nanotech/Environment, Health & Safety
Published: 5/19/2010
Authors: Ryan Murphy, Denis Pristinski, Kalman D Migler, Jack F Douglas, Vivek M Prabhu
Abstract: We use dynamic light scattering to characterize the kinetics of nanoparticle aggregation. The aggregation process was conveniently initiated in photoacid generator (PAG) solutions where changes in the pH of the solution can be controlled by exposure ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904974

6. Evaluation of viability and proliferation profiles on macrophages treated with silica nanoparticles in vitro via plate-based, flow cytometry, and Coulter counter assays
Topic: Nanotech/Environment, Health & Safety
Published: 9/3/2012
Authors: Simona Bancos, De-Hao D. Tsai, Vincent A Hackley, J L Weaver, Katherine M Tyner
Abstract: Nanoparticles (NPs) are known to interfere with many high throughput cell viability and cell proliferation assays, which complicates the assessment of their potential toxic effects. The aim of this study was to compare viability and proliferation res ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911765

7. Exposure and Fire Hazard Assessment of Nanoparticles in Fire Safe Consumer Products: Interagency Agreement Final Report
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7805
Topic: Nanotech/Environment, Health & Safety
Published: 8/4/2011
Authors: Rick D Davis, Yeon S. Kim, Richard H. Harris Jr., Marc R. Nyden, Nasir M. Uddin, Treye Thomas
Abstract: An innovative technology was evaluated to generate fire and health safe soft furnishings. Nanoparticle-based thin coatings on a polyurethane foam and nonwoven barrier fabric were applied using Layer-by-layer (Lbl) assembly. This is the first report ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908275

8. Gold nanorod separation and characterization by asymmetric-flow field flow fractionation with UV-Vis detection
Topic: Nanotech/Environment, Health & Safety
Published: 11/14/2012
Authors: Julien C. Gigault, Tae Joon Cho, Robert I. MacCuspie, Vincent A Hackley
Abstract: The application of asymmetrical-flow field flow fractionation (A4F) for gold nanorod (GNR) fractionation and characterization was comprehensively investigated. We report on two novel aspects of this application. The first addresses the analytical cha ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911860

9. Hydrodynamic Fractionation of Finite Size Nano Gold Clusters
Topic: Nanotech/Environment, Health & Safety
Published: 6/15/2011
Authors: De-Hao D. Tsai, Tae Joon Cho, Frank W DelRio, Julian S. Taurozzi, Michael Russel Zachariah, Vincent A Hackley
Abstract: We demonstrate a high resolution in situ experimental method for performing simultaneous size-classification and characterization of functional nanoscale gold clusters (NGCs) based on asymmetric-flow field flow fractionation (AFFF). Field emission sc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908232

10. Impact of UV Irradiation on the Surface Chemistry and Structure of Multiwall Carbon Nanotube Epoxy Nanocomposites
Topic: Nanotech/Environment, Health & Safety
Published: 12/6/2013
Authors: Elijah J Petersen, Thomas Fung Lam, Justin M Gorham, Keana C K Scott, Christian John Long, Deborah L Stanley, Renu Sharma, James Alexander Liddle, Tinh T. Nguyen
Abstract: One of the most promising applications of nanomaterials is as nanofillers to enhance the properties of polymeric materials. However, the effect of nanofillers on polymers subject to typical environmental stresses, such as ultraviolet (UV) radiation, ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913865



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