A Comparative Study on the Impact of Phthalate Esters on Soil Microbial Activity

被引：33

作者：

Chen, Huilun ^{[1
,2
]}

Zhuang, Rensheng ^{[3
]}

Yao, Jun ^{[1
,2
,3
]}

Wang, Fei ^{[1
,2
]}

Qian, Yiguang ^{[4
,5
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Civil & Environm Engn, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Natl Int Cooperat Based Environm & Energy, Beijing 100083, Peoples R China

[3] China Power Investment Corp CPI Power Engn Co Ltd, Shanghai 200233, Peoples R China

[4] China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China

[5] China Univ Geosci, Sinohungarian Joint Lab Environm Sci & Hlth, Wuhan 430074, Peoples R China

来源：

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2013年 / 91卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Isothermal microcalorimetry; Microbial activity; Urease; Bioavailability; DEGRADATION; BIOMASS; ENZYME; CHINA;

D O I：

10.1007/s00128-013-1033-4

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this study, an isothermal microcalorimetric technique was used to demonstrate the impact of dimethyl phthalate (DMP), di-n-octyl phthalate (DOP) and diethyl phthalate (DEP) on soil microbial activity. The effect of these phthalate esters (a parts per thousand currency sign100 mu g g(-1) soil) follows the order: DEP > DMP > DOP but changed to DMP > DEP > DOP when the concentrations of the phthalate esters are above 100 mu g g(-1) soil. DMP, DEP and DOP significantly decreased (p < 0.05) the soil urease activity. The effect of phthalate esters on soil microbial activity is not the same with those on enzymatic activity. In addition, DEP, which has a lower bioavailability, is less toxic to soil microbes than that of DMP when its concentration is above 100 mu g g(-1) soil.

引用

页码：217 / 223

页数：7

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