Document Detail

Aqueous suspension methods of carbon-based nanomaterials and biological effects on model aquatic organisms.
MedLine Citation:
PMID:  22002585     Owner:  NLM     Status:  Publisher    
The preparation of aqueous suspensions of carbon-based nanomaterial (NMs) requires the use of dispersing agents to overcome their hydrophobic character. While studies on the toxicity of NMs have focused primarily on linking particles' characteristics to biological responses, the role of dispersing agents has been overlooked. This study assessed the biological effects of a number of commonly used dispersing agents on Pseudokirchneriella subcapitata and Ceriodaphnia dubia as model test organisms. The results show that: for a given organism, NM toxicity can be mitigated by use of non-toxic surfactant, and that a multi-species approach is necessary to account for the sensitivity of different organisms. In addition to NM intrinsic physicochemical properties, exposure studies should take into account the effects of used dispersing fluids. Environ. Toxicol. Chem. © 2011 SETAC.
Jie Gao; Veronica Llaneza; Sejin Youn; Carlos A Silvera-Batista; Kirk J Ziegler; Jean-Claude J Bonzongo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-14
Journal Detail:
Title:  Environmental toxicology and chemistry / SETAC     Volume:  -     ISSN:  1552-8618     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8308958     Medline TA:  Environ Toxicol Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 SETAC.
Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida, USA; Particle Engineering Research Center, University of Florida, Gainesville, Florida, USA.
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