UPTAKE OF DISSOLVED AND OIL PHASE ORGANIC-CHEMICALS BY BACTERIA

被引：9

作者：

MIHELCIC, JR

PRITSCHOW, A

LUEKING, DR

机构：

来源：

GROUND WATER MONITORING AND REMEDIATION | 1995年 / 15卷 / 03期

关键词：

D O I：

10.1111/j.1745-6592.1995.tb00542.x

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Hydrophobic organic chemicals (HOCs) discharged into soil and ground water will partition into gaseous, aqueous, oil, and sorbed phases. Knowledge of how bacteria assimilate HOCs is important to individuals involved in evaluating intrinsic, or engineered, bioremediation. The majority of bacteria isolated from the subsurface are gram-negative. The outer membrane of gram-negative organisms acts as a selective barrier to many solutes, including hydrophobic chemicals, Thus, diffusional transport of a hydrophobic solute through the outer membrane may be the rate-limiting step in bio-degradation. Bacteria may also produce biosurfactants that can facilitate cell-oil contact or assist solubilization of oil and sorbed phases.

引用

页码：100 / 106

页数：7

共 43 条

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