News Column

Studies from Hanyang University Update Current Data on Biointerface Research (Impact of agglomeration on the bioaccumulation of sub-100 nm sized TiO?)

July 9, 2014



By a News Reporter-Staff News Editor at Biotech Week -- New research on Biotechnology is the subject of a report. According to news reporting originating in Seoul, South Korea, by NewsRx journalists, research stated, "To improve our understanding on the impact of extrinsic properties of NPs on their bioaccumulation and toxicity, we have investigated the bioaccumulation of sub 100 nm sized P25 TiO? nanoparticles (NPs) by Daphnia magna (D. magna) in toxicity testing media."

The news reporters obtained a quote from the research from Hanyang University, "Based on our quantitative ICP-MS measurements as well as spectromicroscopic observations, we found that the bioaccumulation by D. magna were strongly influenced by the extrinsic properties of NPs as well as the biological uptake characteristics of D. magna. New sets of effective dosimetry parameters well correlated with the amount of NPs bioaccumulated within D. magna were also proposed."

According to the news reporters, the research concluded: "Based on these findings, we suggested that the extrinsic physicochemical properties of NPs (e.g., interfacial and colloidal properties of NPs) and biological characteristics for NPs (e.g., uptake cutoff sizes of testing organisms) should be considered and included when developing alternative dosimetry of NPs."

For more information on this research see: Impact of agglomeration on the bioaccumulation of sub-100 nm sized TiO? Colloids and Surfaces B, Biointerfaces, 2014;116():277-83 (see also Biotechnology).

Our news correspondents report that additional information may be obtained by contacting D. Kwon, Laboratory of Nanoscale Characterization & Environmental Chemistry, Dept. of Chemistry, College of Natural Sciences, Hanyang University, Seoul 133-791, South Korea. Additional authors for this research include S.K. Jeon and T.H Yoon.

Keywords for this news article include: Asia, Biotechnology, Seoul, South Korea.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Biotech Week


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