Ecological uptake and depuration of carbon nanotubes by Lumbriculus variegatus.

Environmental Health Perspectives
Elijah J PetersenWalter J Weber

Abstract

Carbon nanotubes represent a class of nanomaterials having broad application potentials and documented cellular uptake and ecotoxicological effects that raise the possibility that they may bioaccumulate in living organisms. Radioactively labeled nanotubes were synthesized using a novel methane chemical vapor deposition procedure. Single-walled carbon nanotubes (SWNTs), multiwalled carbon nanotubes (MWNTs), and pyrene were spiked to sediment samples, and the respective uptake and depuration of these nanotubes and pyrene were assessed by the oligochaete, Lumbriculus variegatus. (14)C-labeled carbon nanotubes were developed for these experiments to overcome significant previous limitations for quantifying nanotube materials in environmental and biological media. Biota-sediment accumulation factors for SWNTs and MWNTs were observed to be almost an order of magnitude lower than those for pyrene, a four-ringed polycyclic aromatic hydrocarbon (PAH). The depuration behaviors of the oligochaete suggested that the nanotubes detected in these organisms were associated with sediments remaining in the organism guts and not absorbed into cellular tissues as was the pyrene. The results suggest that, unlike PAHs, purified carbon nanotubes do n...Continue Reading

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Citations

Nov 28, 2012·The Science of the Total Environment·Jiafan WangGeorge P Cobb
Oct 14, 2011·Environmental Toxicology and Chemistry·Elijah J Petersen, Theodore B Henry
Jun 29, 2012·Environmental Toxicology and Chemistry·Greta C Waissi-LeinonenJussi V K Kukkonen
May 23, 2012·Environmental Toxicology and Chemistry·Joseph N MwangiBaolin Deng
Apr 7, 2016·Environmental Science & Technology·Elijah J PetersenMichael R Winchester
Jul 12, 2016·Environmental Science & Technology·Monika MortimerPatricia A Holden
Apr 11, 2018·Environmental Toxicology and Chemistry·Jamie R LeadKristin Schirmer
Oct 8, 2009·Journal of Environmental Monitoring : JEM·Anders BaunSteffen Foss Hansen
Sep 8, 2010·Environmental Toxicology and Chemistry·Elijah J PetersenWalter J Weber
Sep 8, 2010·Environmental Toxicology and Chemistry·Kukka TervonenJussi V K Kukkonen
Jun 22, 2010·Analytical and Bioanalytical Chemistry·Elijah J Petersen, Bryant C Nelson
May 8, 2019·Bulletin of Environmental Contamination and Toxicology·M L HudsonG A Burton
Jan 1, 2013·Environmental Science. Processes & Impacts·Wen-Che HouJonathan D Posner
Oct 10, 2013·Environmental Science. Processes & Impacts·Changwei HuMei Li
Dec 20, 2013·Nanotoxicology·Aaron James EdgingtonStephen J Klaine
Jan 31, 2014·Environmental Toxicology and Chemistry·Jiafan WangGeorge P Cobb
Jul 16, 2015·Ecotoxicology·Shona O'RourkeTeresa F Fernandes
Sep 17, 2013·Chemistry Central Journal·Petra JacksonHåkan Wallin
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Feb 11, 2011·Environmental Toxicology and Chemistry·Manomita PatraKim R Rogers
Jan 1, 2013·Environmental Science. Processes & Impacts·Steffen Foss HansenAnders Baun

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Methods Mentioned

BETA
transmission electron microscopy

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