pythonbio AAPR702-100 低渗缓冲液 hypotonic buffer (20 mM HEPEs pH7.4, 250 mM sucrose, 10 mM KCL, 10 mM KCl, 1.5 mM MgCl2, 1 mM EDTA, 1 mM EGTA, and 1 mM DTT,phosphatase inhibitor cocktail) 100ml