Comparative transmembrane transports of four typical lipophilic organic chemicals

Bioresource Technology
Jiao-Rong RenHong-Wen Gao

Abstract

Transmembrane transports of four kinds of lipophilic organic chemicals (LOCs) on suspending multilamellar liposomes (SML) and Escherichia coli (E. coli) were investigated, where both anthracene and phenanthrene were accorded to the lipid-water partition law and Sudan I and III to the Langmuir isothermal adsorption. Less than half of phenanthrene is transported into E. coli, where more than 60% are located in the cytoplasm. About 60% of anthracene entered the E. coli where only 10% was released into the cytoplasm. The partition coefficients of phenanthrene and anthracene partitioning from the extracellular liquid into membrane are 502 and 1190L/kg but their inverse partition coefficients are only 0.180 and 0.018kg/L. Over 60% of Sudan I and less than 40% of Sudan III accumulated on E. coli where most of them remained on the membrane. The transmembrane impedance effect (TMIE) is proposed for evaluating the cell-transport of polar LOCs.

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Citations

Apr 1, 2011·Journal of Industrial Microbiology & Biotechnology·Hongmiao PanHuizhong Chen
May 24, 2011·Toxicological Sciences : an Official Journal of the Society of Toxicology·Chao SongLing-Ling Wu
Sep 6, 2012·Drug and Chemical Toxicology·Teresa M Fonovich
Mar 19, 2013·Journal of Hazardous Materials·Dorian Prato-GarciaGermán Buitrón
Feb 24, 2015·Ecotoxicology and Environmental Safety·Liping LiaoZhichen Liu
Jul 28, 2015·Physical Chemistry Chemical Physics : PCCP·Helmut I Padilla-ChavarríaAndre S Pimentel
Oct 13, 2017·Environmental Science and Pollution Research International·Xiaoyong LiaoXiulan Yan

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