Cell surface properties of Pseudomonas stutzeri in the process of diesel oil biodegradation

被引：0
|
作者：
Ewa Kaczorek
Teofil Jesionowski
Anna Giec
Andrzej Olszanowski
机构：
[1] Poznan University of Technology,Institute of Chemical Technology and Engineering
来源：
Biotechnology Letters | 2012年 / 34卷
关键词：
Biodegradation; Cell surface hydrophobicity; Particle size distribution; Sedimentation profile;
D O I：
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中图分类号：
学科分类号：
摘要：
Pseudomonas stutzeri, isolated from crude oil-contaminated soil, was used to degrade diesel oil. Of three surfactants, 120 mg rhamnolipids 1−1 significantly increased degradation of diesel oil giving 88% loss after 14 days compared to 54% loss without the surfactant. The system with rhamnolipids was characterised by relatively high particle homogeneity. However, the addition of saponins to diesel oil caused the cells to aggregate (the polydispersity index: 0.542) and the biodegradation of diesel oil was only 46%. The cell yield was 0.22 g l−1.
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页码：857 / 862
页数：5
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