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Assay Method Information

Assay Name:  In Vitro AChE Inhibition Assay
Description:  Inhibition of AChE activity was determined by the spectroscopic method of Ellman using acetylthiocholine iodide as substrate, in 96-well microtiter plates. The reaction was initiated by adding acetylthiocholine iodide to each well containing reaction mixtures, and was followed by monitoring the appearance of the thiolate dianion produced by reduction of DTNB at 412 nm for 120 s in a Molecular Devices Spectra Max 384 Plus plate reader. Each inhibitor was evaluated at several concentrations in the range of 10-9 to 2 x10-5 M. Percentage inhibition was calculated relative to a control sample (DMSO), and IC50 values displayed represent the mean +/- standard deviation for triplicate assays.
Affinity data for this assay
 

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Last update November 1, 2007
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