U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications by: Elijah Petersen (Fed)

Search Title, Abstract, Conference, Citation, Keyword or Author
Displaying 176 - 198 of 198

Copper oxide nanoparticle mediated DNA damage in terrestrial plant models

December 22, 2011
Author(s)
Bryant C. Nelson, Donald H. Atha, Elijah J. Petersen, Huanhua Wang, Danielle Cleveland, Richard D. Holbrook, Pawel Jaruga, M Miral Dizdar, Baoshan Xing
Engineered nanoparticles, due to their unique electrical, mechanical and catalytic properties, are presently found in many commercial products and will be intentionally or inadvertently released at increasing concentrations into the natural environment

Potential release pathways, environmental fate, and ecological risks of carbon nanotubes

October 11, 2011
Author(s)
Elijah J. Petersen, Andrew Whelton, Liwen Zhang, Qingguo Huang, Nasir M. Uddin, Nikolai Mattison, Denis O'Carroll, Theodore Henry, Tinh Nguyen, Richard D. Holbrook, Kai Chen
Carbon nanotubes are currently being used in a number of consumer products, and exponentially higher production masses and a broader range of applications are expected in future years. However, the data on the environmental release pathways, environmental

Impact of Porous Media Grain Size on the Transport of Multiwalled Carbon Nanotubes

September 28, 2011
Author(s)
Nikolai Mattison, Denis O'Carroll, R. K. Rowe, Elijah Petersen
Nanomaterials possess unique physical, electrical and chemical properties which make them attractive for use in a wide range of applications. Through their use and eventual disposal, nanomaterials may ultimately be released into the subsurface environment

Toxic effects and uptake of fullerenes spiked to sediments by Lumbriculus variegatus

July 13, 2011
Author(s)
Jussi Parkinen, Elijah Petersen, Matti Lepp?nen, Jarkko Akkanen
Effects of fullerene-spiked sediment on a benthic organism, Lumbriculus variegatus were investigated. Survival, growth, reproduction, and feeding rates were measured to assess in the extent to which fullerene-spiked natural sediment had acute or chronic

Effects of Polyethyleneimine-Mediated Functionalization of Multi-Walled Carbon Nanotubes on Earthworm Bioaccumulation and Sorption by Soils

March 24, 2011
Author(s)
Elijah J. Petersen, Roger A. Pinto, Liwen Zheng, Qingguo Huang, Peter E. Landrum, Walter J. Weber
Carbon nanotubes (CNTs) are often modified for their different intended application potentials to enhance their aqueous stability or change properties such as their surface charge. Such changes may also profoundly impact their environmental behaviors. We

Influence of Polyethyleneimine Graftings of Multi-Walled Carbon Nanotubes on Their Accumulation and Elimination by and Toxicity to Daphnia magna

December 23, 2010
Author(s)
Elijah J. Petersen, Roger A. Pinto, Danielle J. Mai, Peter E. Landrum, Walter J. Weber
Carbon nanotubes (CNTs) are often modified for different intended applications which often changes the nanotubes’ physicochemical properties, such as surface charge. Assessing the extent to which such modifications to carbon nanotubes influence their

Mechanisms and Measurement of Nanomaterial-Induced Oxidative Damage to DNA

June 22, 2010
Author(s)
Bryant C. Nelson, Elijah J. Petersen
Many of the current investigations on the environmental health and human safety risks of engineered nanomaterials focus on their short-term acute effects. However, the long-term chronic effects of nanomaterials on living systems, and in particular, on the