Abstract
A chemiluminescence (CL) determination of adenyl compounds is described. CL derivatization of adenyl compounds with methylglyoxal dimethyl acetal was performed in the presence of tungstosilicic acid and propan-2-ol. CL from adenyl compounds was produced by hydrogen peroxide and L-cysteine ethyl ester in DMF and water. The proposed method is highly sensitive and specific to compounds containing adenine. Adenine was determined in the range 1.0 x 10(-3)-5.0 x 10(-8) M with the detection limit of 3.0 x 10(-8) M (150 fmol per assay). The method was applied to the determination of DNA and detection limits of a few nanograms of DNA achieved.
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