25mg MTT Sigma M-5655
[3-(4,5-dimethyldiazol-2-yl)-2,5 diphenyl Tetrazolium Bromid]
ad 5ml PBS, pH 7.4, filter sterile
99.4ml DMSO
0.6ml Acetic acid or HCl
10g SDS
Change Medium
Add 100µl MTT Stock Solution per 1ml medium
Incubate 2-4h in CO2 incubator
Aspirate supernatant carefully, do not wash with PBS
Add equal volume lysis solution to every sample
Lysate over 5min, mix well
End point measurement
570nm test wavelength
630nm reference wavelength
[1]T. Lindl and J. Bauer, Zell- und Gewebekultur. Einführung in die Grundlagen sowie ausgewählte Methoden und Anwendungen. 1994: 250.
T. Mosmann, Rapid colorimetric assay for cellular growth and survival: application to proliferation and cytotoxicity assays. J Immunol Meth, 1983. 65: 55-63.