PTw for ISH
Treat the PBS(P) with 0.1% DEPC (diethyl pyrocarbonate), autoclave, and store at room temperature. DEPC alkylates histidine sidechains of RNase and other esterases.
Tween 20 (0.1%)
Filter-sterilize the final solution through a 0.2-μm filter. Store at room temperature.










