Optical algal biosensor using alkaline phosphatase for determination of heavy metals

被引:74
作者
Durrieu, C
Tran-Minh, C
机构
[1] Ecole Natl Super Mines, Ctr SPIN Genie Enzymat, F-42023 St Etienne Du Rouvray 2, France
[2] Ecole Natl Travaux Publ Etat, Lab Sci Environm, F-69518 Vaulx En Velin, France
关键词
biosensor; algae; Chlorella; alkaline phosphatase; fluorescence; heavy metals; ecotoxicology;
D O I
10.1006/eesa.2001.2140
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A biosensor is constructed to detect heavy metals from inhibition of alkaline phosphatase (AP) present on the external membrane of Chlorella vulgaris microalgae. The microalgal cells are immobilized on removable membranes placed in front of the tip of an optical fiber bundle inside a homemade microcell. C vulgaris was cultivated in the laboratory and its alkaline phosphatase activity is strongly inhibited in the presence of heavy metals. This property has been used for the determination of those toxic compounds. (C) 2002 Elsevier Science (USA).
引用
收藏
页码:206 / 209
页数:4
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