T4299 Sigma

Trypsin-EDTA solution

1 ×, sterile-filtered, BioReagent, suitable for cell culture, 500 BAEE units porcine trypsin and 180 μg EDTA • 4Na per ml in Dulbecco′s PBS without calcium and magnesium

Description

Application

Trypsin-EDTA solutions are used to release adherent cells from culture surfaces. They are generally composed of variable concentrations of natural porcine pancreas-derived trypsin and EDTA. Trypsin 1X solutions can range from 0.025% to 0.5%. The reasons for the range of concentrations are differences in required trypsin activity or potency; differences in incubation times; and cell line susceptibility. The concentration of trypsin necessary to dislodge cells from their substrate is dependent primarily on the cell type and the age of the culture. Various formulations should be tested to determine the best product for a specific application.

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