Abstract
A fluorescent method is described for assessing nuclease activity. The technique is based on the preparation of quenched fluorophore–nucleic acid covalent conjugates and their subsequent dequenching due to degradation by nucleases. The resulting fluorescence increase can be measured by a spectrofluorometer and exhibits subpicogram per milliliter sensitivity level for RNase A and low picogram per milliliter level for DNase I. The method is adaptable for quantitative nuclease inhibitor testing.
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