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Publications Portal

You searched on: Topic Area: Nanotech/Environment, Health Safety

Displaying records 11 to 20 of 27 records.
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11. Pulmonary and Cardiovascular Responses of Rats to Inhalation of Silver Nanoparticles
Topic: Nanotech/Environment, Health & Safety
Published: 8/14/2013
Authors: Jenny R Roberts, Walt McKinney, Hong Kan, Kristine Krajnak, David G Frazer, Treye Thomas, Stacey Waugh, Allison Kenyon, Robert I. MacCuspie, Vincent A Hackley, Vincent Castranova
Abstract: Rats were exposed by inhalation to filtered air or to a low (100 ug/m3 using a commercial antimicrobial product [20 mg/L silver]) or high (1000 ug/m3 using a suspension [200 mg/L silver] synthesized to have a similar size distribution) concentrat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912947

12. Preparation of Nanoscale TiO2 Dispersions in an Environmental Matrix for Eco-Toxicological Assessment
Series: Special Publication (NIST SP)
Report Number: 1200-5r1
Topic: Nanotech/Environment, Health & Safety
Published: 6/3/2013
Authors: Julian S. Taurozzi, Vincent A Hackley, Mark R Wiesner
Abstract: Toxicity and fate assessment are key elements in the evaluation of the environmental, health and safety risks of engineered nanomaterials (ENMs). While significant effort and resources have been devoted to the toxicological evaluation of many ENMs, i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913712

13. Surface Chemical Transformations of UV irradiated Silica-Epoxy Nanocomposites
Topic: Nanotech/Environment, Health & Safety
Published: 5/15/2013
Authors: Justin M Gorham, Tinh Nguyen, Deborah Stanley Jacobs, Coralie Bernard, Richard D Holbrook
Abstract: Silica nanoparticles (SiNPs) incorporated into a polymeric matrix, or silica nanocomposites (SiNCs), are used in a wide variety of commercially available products in numerous natural and artificial environments. Environmental factors, such as light, ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913534

14. FABRICATION AND CHARACTERIZATION OF STANDARDS FOR ATOMIC FORCE MICROSCOPE TIP WIDTH CALIBRATION
Topic: Nanotech/Environment, Health & Safety
Published: 3/25/2013
Authors: Ronald G Dixson, Craig Dyer McGray, Boon Ping Ng, Ndubuisi George Orji, Jon C Geist
Abstract: The National Institute of Standards and Technology (NIST) has been developing methods and standards to enable the traceable calibration of critical dimension atomic force microscopy (CD AFM). This technique involves flared tips and two-dimensional s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912865

15. Standard Guide for Size Measurement of Nanoparticles Using Atomic Force Microscopy
Topic: Nanotech/Environment, Health & Safety
Published: 1/1/2013
Authors: Vincent A Hackley, Frank W DelRio
Abstract: The purpose of this document is to provide guidance on the quantitative application of atomic force microscopy (AFM)to determine the size of nanoparticles2 deposited in dry form on flat substrates using height (z-displacement) measurement. Unlike ele ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912221

16. Nanoscale Reference Materials for Environmental, Health, and Safety Measurements: Needs, Gaps, and Opportunities
Topic: Nanotech/Environment, Health & Safety
Published: 11/7/2012
Authors: Aleksandr B. Stefaniak, Vincent A Hackley, Gert Roebben, Kensei Ehara, Steve Hankin, Michael T Postek, Iseult Lynch, Wei-En Fu, Thomas P.J. Linsinger, Andreas Th?nemann
Abstract: There is a need to understand and manage potential risks posed to workers, the public, and the environment from exposure to engineered nanomaterials. In response, several organizations have developed lists of relevant nano-objects and of physico-che ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910519

17. Aggregation/agglomeration state of carbon nanotubes
Topic: Nanotech/Environment, Health & Safety
Published: 10/12/2012
Authors: Vivek M Prabhu, Toshiya Okazaki, Takeshi Eitoku, Masayoshi Tange, Haruhisa Kato
Abstract: Evaluation of aggregation and agglomeration of carbon nanotube (CNT) solution has been one of the key issues for applications. Here we introduce a simple method based on depolarized dynamic light scattering (DDLS) performed at multiple scattering ang ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912177

18. UV-induced photochemical transformations of citrate capped silver nanoparticle suspensions
Topic: Nanotech/Environment, Health & Safety
Published: 9/14/2012
Authors: Justin M Gorham, Robert I. MacCuspie, Kate L Klein, D Howard Fairbrother, Richard D Holbrook
Abstract: Due to the increasing use of silver nanoparticles (AgNPs) in consumer products, it is essential to understand how variables, such as light exposure, may change the physical and chemical characteristics of AgNP suspensions. To this end, the effect o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911250

19. Summary Report of Research on TiO2 Nanomaterial
Topic: Nanotech/Environment, Health & Safety
Published: 8/3/2012
Author: Vincent A Hackley
Abstract: Report summarizes study whose purpose was to optimize and validate a standardized and reproducible approach for the preparation of TiO2 nanoparticle dispersions in relevant biological and environmental test media, using an industrially relevant powde ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912219

20. Photo-induced Surface Transformation of Silica Nanocomposites
Topic: Nanotech/Environment, Health & Safety
Published: 6/22/2012
Authors: Justin M Gorham, Tinh Nguyen, Coralie Bernard, Deborah Stanley Jacobs, Richard D Holbrook
Abstract: The physicochemical, UV-induced surface modifications to silica nanoparticle (SiNP) - epoxy composites have been investigated. The silica nanocomposites (SiNCs) were prepared using a two-part epoxy system with 10 % mass fraction of SiNPs and expose ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910637



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