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Biosurfactant-Enhanced Bioremediation of Polycyclic Aromatic Hydrocarbons

DIR@IMTECH: CSIR-Institute of Microbial Technology

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Title Biosurfactant-Enhanced Bioremediation of Polycyclic Aromatic Hydrocarbons
 
Creator Cameotra, Swaranjit Singh
Bollag, Jean-Marc
 
Subject QR Microbiology
 
Description A review. Biosurfactants are surface-active compds. synthesized by a wide variety of microorganisms. They are mols. that have both hydrophobic and hydrophilic domains and are capable of lowering the surface tension and the interfacial tension of the growth medium. Biosurfactants possess different chem. structures - lipopeptides, glycolipids, neutral lipids, and fatty acids. They are nontoxic biomols. that are also exhibit strong emulsification of hydrophobic compds. and form stable emulsions. Polycyclic arom. hydrocarbons (PAHs) can be toxic, mutagenic, and carcinogenic compds. that pollute the environment. They are released to the environment as a result of spillage of oil and byproducts of coal treatment processes. The low water soly. of PAHs limits their availability to microorganisms, which is a potential problem for bioremediation of PAH-contaminated sites. Microbially produced surfactants enhance the bioavailability of these hydrophobic compds. for bioremediation. Therefore, biosurfactant-enhanced soly. of PAHs has potential applications in bioremediation. on SciFinder (R)
 
Publisher Taylor and francis group
 
Date 2003
 
Type Article
PeerReviewed
 
Relation http://dx.doi.org/10.1080/10643380390814505
http://crdd.osdd.net/open/948/
 
Identifier Cameotra, Swaranjit Singh and Bollag, Jean-Marc (2003) Biosurfactant-Enhanced Bioremediation of Polycyclic Aromatic Hydrocarbons. Critical Reviews in Environmental Science and Technology, 33 (2). pp. 111-126. ISSN 1064-3389