biovisionK263-100gst activity assay kit, gst activity assay, gst activity kit, assay gst activity, measure gst activity, detect gst activity, quantitate gst activity, gst activity measurement kit, gst activity quantitation kit, GST activity colorimetric assay kit, gst activity colorimetric assay kit, glutathione s-transferase activity assay kit, gst activity ? Detection method- Absorbance (380 nm) ? Species reactivity- Mammalian ? Applications- The kit can detect GST activity in crude cell lysate or purified protein fraction, and also quantitate GST-tagged fusion protein. Cell and tissue lysates, culture media, urine, plasma and serum, as well as many other biological fluids