Characteristics about tolerance and reduction of bacteria CQMUXH-1 to Hexavalent Chromium

BAI Qun-hua; et al

doi:10.13406/j.cnki.cyxb.2010.06.008

您当前的位置：

首页 >

文章列表页 >

Characteristics about tolerance and reduction of bacteria CQMUXH-1 to Hexavalent Chromium

更新时间：2024-01-17

- Characteristics about tolerance and reduction of bacteria CQMUXH-1 to Hexavalent Chromium
- Journal of Chongqing Medical University Vol. 35, Issue 6, Pages: 837-839(2010)
- 作者机构：
  
  1. 重庆医科大学公共卫生学院卫生检验教研室
  2. 2004级预防医学本科
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.2010.06.008
  CLC： R378
- Published：2010，
扫描看全文
[1]白群华,肖虹,贾燕,张永光.耐铬菌株CQMUXH-1耐受和还原Cr(Ⅵ)的特性研究[J].重庆医科大学学报,2010,35(06):837-839.

BAI Qun-hua, et al. Characteristics about tolerance and reduction of bacteria CQMUXH-1 to Hexavalent Chromium. [J]. Journal of Chongqing Medical University 35(6):837-839(2010)
[1]白群华,肖虹,贾燕,张永光.耐铬菌株CQMUXH-1耐受和还原Cr(Ⅵ)的特性研究[J].重庆医科大学学报,2010,35(06):837-839. DOI： 10.13406/j.cnki.cyxb.2010.06.008.

BAI Qun-hua, et al. Characteristics about tolerance and reduction of bacteria CQMUXH-1 to Hexavalent Chromium. [J]. Journal of Chongqing Medical University 35(6):837-839(2010) DOI： 10.13406/j.cnki.cyxb.2010.06.008.

摘要

目的:探讨菌株CQMUXH-1耐受和还原C（rⅥ）的特性。方法:实验室模拟含C（rⅥ）环境

于各种不同的条件下（反应时间、pH、温度、C（rⅥ）浓度、其它污染物）培养细菌

测定细菌的生长量和（或）剩余C（rⅥ）浓度以评价菌株耐受和还原C（rⅥ）的能力。结果:菌株CQMUXH-1在30℃振荡培养5

0h为对数生长期;该菌株对C（rⅥ）的耐受能力明显高于对照菌大肠杆菌DH5α;该菌株在恒温振荡培养（37℃

200r/min）下

对100mg/LC（rⅥ）的去除率为84h73%;弱碱环境对CQMUXH-1的生长有较大影响

37℃培养能加快细菌的生长

、As

能明显抑制、Cu

能促进CQMUXH-1的生长。结论:菌株CQMUXH-1能耐受和还原较高浓度C（rⅥ）

可有效应用于废水中C（rⅥ）污染的生物治理。

Abstract

Objective:Toresearch the characteristics about resistance and reduction on Cr(Ⅵ)ofCQMUXH-1. Methods:Simulating the environment of C(rⅥ)in the lab. Cultivating bacteria under different condition(reaction time

temperature

C(rⅥ)concentration

other pollutants)and determining the growth quantity of bacteria and(or)concentration of residual Cr(Ⅵ)to evaluate the ability for tolerating and reducing C(rⅥ)of CQMUXH-1. Results:5~20 h is the logarithmic growth phase of CQMUXH-1 when cultured in 30℃ and vibration conditions. The resistant ability to Cr(Ⅵ)of CQMUXH-1 is better than the E. coli DH5α control bacteria. The reduction rate of CQMUXH-1 to 100 mg/L Cr(Ⅵ)is 73% when cultured in 37℃

200 r/min after 84 h. The weak base environment has bad effects to the growth of CQMUXH-1 and 37℃ can speed up its growth. Hg2+

As3+ can obviously restrain the growth of CQMUXH-1 and Cu2+ can promote its growth. Conclusion:CQMUXH-1 has strong ability to resist and reduce Cr (Ⅵ)

which can be effectively used in the bioremediation of waste water with Cr(Ⅵ)pollution.

关键词

六价铬细菌耐受还原

Keywords

BacteriaCr(Ⅵ)Tolerancereduction

references

Views

142

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Study on synthesis of tetrahydroisoquinolines and monoamine oxidase inhibitory activity

In vitro synthesis and activity identification of Chromate reductase T

Related Author

ZENG Qingdong

ZHANG Wanping

CHENG Peng

LI Wenjun

LU Zhenhao

PENG Yang

ZHU Bimin

YU Yu

Related Institution

Teaching and Research Section of Medicinal Chemistry，College of Pharmacy，Chongqing Medical University

Teahcing and Research Section of Health Laboratory Science，College of Public Health and Administration，Chongqing Medical University

⁰