Changes

==S-Gal staining conditions==

==S-Gal staining conditions==

According to [http://www.sigmaaldrich.com/catalog/product/sigma/s7313?lang=en&region=US Sigma-Aldrich site]:  

According to [https://www.sigmaaldrich.com/catalog/product/sigma/s7313?lang=en&region=US Sigma-Aldrich site]:  

Stock solutions of S-Gal can be made by dissolving at 50 mg/mL in deionized water, sterile-filtering and storing at -20 °C.

Stock solutions of S-Gal can be made by dissolving at 50 mg/mL in deionized water, sterile-filtering and storing at -20 °C.