ETHOXYRESORUFIN-O-DEETHYLASE (EROD) ACTIVITY IN FLATFISH - FAST DETERMINATION WITH A FLUORESCENCE PLATE-READER

被引:93
作者
EGGENS, ML [1 ]
GALGANI, F [1 ]
机构
[1] IFREMER,DERO,DEPT MILIEU & RESSOURCES,F-44037 NANTES 01,FRANCE
关键词
D O I
10.1016/0141-1136(92)90149-G
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Ethoxyresorufin-O-deethylase (EROD) is one of the model reactions of the cytochrome P-450IA1 mediated monooxygenase (MO) system. It is often used to detect the effects of increased concentrations of planar aromatic microcontaminants. The comparison of a new and faster method for measuring the EROD-activity using a plate-reader with the conventional method showed an almost equal sensitivity and precision between the two methods. Characteristic in the use of the plate-reader method is that the protein concentration of the (diluted) sample has to be in the range of 0.9-3 mg ml-1. In this range the EROD-kinetics are linear for at least 8 min. The compactness and rigidity of the equipment and the speed of analysis makes the plate-reader method very suitable for research on board of a research vessel.
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页码:213 / 221
页数:9
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