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Topic Area: Nanotech/Environment, Health
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Displaying records 1 to 10 of 27 records.
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1. Potential artifacts when evaluating the ecotoxicological effects of nanomaterials
Topic: Nanotech/Environment, Health & Safety
Published: 3/28/2014
Authors: Elijah J Petersen, Marina Dobrovolskaia, Theodore B Henry, Jian Zhao, Robert I. MacCuspie, Teresa L Kirschling, Baoshan Xing, Vincent A Hackley, Jason White
Abstract: Engineered nanomaterials (ENMs) have a significant commercial potential for ENM-enable products as a result of novel or enhanced properties. However, the unique behaviors of ENMs may also cause artifacts, spurious results, effects, or findings, when ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914713

2. 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 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

3. Surface mediated assembly of small, metastable gold nanoclusters
Topic: Nanotech/Environment, Health & Safety
Published: 5/27/2013
Authors: John M Pettibone, William A Osborn, Konrad Rykaczewski, Albert A. Talin, John E Bonevich, Jeffrey W Hudgens
Abstract: The unique properties of metallic nanoclusters are attractive for numerous commercial and industrial applications but are generally less stable than nanocrystals. Thus, developing methodologies for stabilizing nanoclusters and retaining their enhance ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909387

4. Quantitative Analysis of Dendron-Conjugated Cisplatin-Complexed Gold Nanoparticles Using Scanning Particle Mobility Mass Spectrometry
Topic: Nanotech/Environment, Health & Safety
Published: 5/8/2013
Authors: De-Hao D. Tsai, Tae Joon Cho, Sherrie R. Elzey, Julien C. Gigault, Vincent A Hackley
Abstract: We report a high-resolution and traceable method to quantify the drug loading on nanoparticle-based cancer therapeutics, and demonstrate this method using a model cisplatin functionalized dendron-gold nanoparticle (AuNP) conjugate. Electrospray diffe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912782

5. NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Summer 2011 Exercise (Exercise 4)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7893
Topic: Nanotech/Environment, Health & Safety
Published: 12/21/2012
Authors: Katrice A Lippa, Mary Bedner, Susan Shu Cheng Tai
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911154

6. NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results:Summer 2010 (Exercise 2)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7891
Topic: Nanotech/Environment, Health & Safety
Published: 12/21/2012
Authors: Katrice A Lippa, Mary Bedner, Susan Shu Cheng Tai
Abstract: The National Institute of Standards and Technology (NIST) recently established a Vitamin D Metabolites Quality Assurance Program (VitDQAP) in collaboration with the National Institutes of Health (NIH) Office of Dietary Supplements. Participants ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911153

7. 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

8. Quantifying Dithiothreitol Displacement of Functional Ligands from Gold Nanoparticles
Topic: Nanotech/Environment, Health & Safety
Published: 10/27/2012
Authors: De-Hao D. Tsai, Frank W DelRio, Sherrie R. Elzey, Suvajyoti S. Guha, Michael Russel Zachariah, Vincent A Hackley, Melanie P Shelton
Abstract: Dithiothreitol (DTT)-based displacement is widely utilized for separating ligands from their gold nanoparticle (AuNP) conjugates, a critical step for differentiating and quantifying surface-bound functional ligands and therefore the effective surface ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911354

9. 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

10. 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



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