Soybean Trypsin Inhibitor (STI) can be used to neutralize the effects of Trypsin/EDTA (Cat. #0103) after the release of cells from a culture surface. It is formulated with a trypsin inhibitor (5mg/ml) isolated from Glycine max (soybean) and inhibits trypsin at a 1:1 molar ratio [1, 2].
STI is a sterile, phosphate buffered saline solution. The product is calcium- and magnesium-free and has a pH of 7.4 at room temperature.
