2.5 M NaCl 146.0 g NaCl 0.5 M Na2HPO4 71.0 g Na2HPO4 0.026 M EDTA 9.3 8 EDTA ddH2O to 1 L
3.0 M NaCl 175.3 g NaCl 0.3 M Na3Citrate 77.43 g Na3Citrate ddH2O to 1 L
2% Ficoll 400 2% Polyvinyl pyrrolidone 2% BSA