Detection of glutathione transferase activity on polyacrylamide gels.

@article{Ricci1984DetectionOG,
  title={Detection of glutathione transferase activity on polyacrylamide gels.},
  author={Giorgio Ricci and Mario Lo Bello and Anna Maria Caccuri and F. Galiazzo and Giorgio Federici},
  journal={Analytical biochemistry},
  year={1984},
  volume={143 2},
  pages={226-30}
}
A simple and sensitive assay for glutathione transferase activity on polyacrylamide gel is described. The method is based on the fast reduction of nitroblue tetrazolium salt by glutathione. Blue insoluble formazan colors the gel except in the glutathione transferase area. The stable and defined colorless zone is still detectable with 0.005 unit enzyme. This technique has been successfully applied with enzyme preparations of human heart and other tissues. 

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