Zengshe Liu

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Biosurfactants can be classified by their chemical composition and their origin. This review briefly describes various classes of biosurfactants based on their origin and introduces a few of the most widely used biosurfactants. The current status and future trends in biosurfactant production are discussed, with an emphasis on those derived from plants.(More)
riers in the 6T wire. [3] Holes are trapped by defects in the crystal, which reduces the number of mobile carriers and hinders the movement of untrapped positive-charge carriers. Charge trapping can be reversed, however, by applying a positive-gate voltage (backbiasing) to force trapped holes out of trap states via electrostatic repulsion. As seen from the(More)
The conversion of plant oils to polymers has attracted renewed attention in recent years to replace or augment the traditional petro-chemical based polymers and resins. This is because of concern for the environment, waste disposal, and depletion of fossil and non renewable feedstocks. In this study, the polymerization of soybean oil (SBO), epoxidized(More)
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