dns

DNs-Rh, a cell-permeable fluorescent quenching probe, is employed to assess broad-spectrum glutathione S-transferase (GST) activity within adherent or suspended cells, cell or tissue lysates, or purified enzyme preparations.

Dansyl chloride (DNSC-l) reacts with primary amino groups in both aliphatic and aromatic amines to produce stable blue- or blue-green-fluorescent sulfonamide adducts. It is widely used to modify amino acids, specifically, protein sequencing and amino acid analysis.