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Visualization reactions for the thin-layer chromatographic (TLC) analysis of cyanobacterial hepatotoxins microcystins and nodularin were studied. Of the 17 potential reactions tested, nine yielded either coloured, fluorescent, or both products with the purified toxins. The detection limit of pure microcystin-LR in these reactions ranged from 10 to 250 ng. Feasibility of the reactions for water analysis...
Two thin layer chromatographic (TLC) procedures were evaluated for the capacity screening of cyanobacterial peptide hepatotoxins and anatoxin-a in laboratory-cultured strain samples and in natural bloom samples. Seventy-five samples previously investigated with the reference methods, the chief of which was mouse bioassay, were analyzed blindly by TLC. Forty-three of the samples were hepatotoxic according...
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