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. 2021 Aug 19;2(3):100751. doi: 10.1016/j.xpro.2021.100751

Binding Buffer

Reagent Final concentration Amount
HEPES pH 7.5 (1 M) 20 mM 200 μL
KCl (1 M) 10 mM 100 μL
CaCl2 (1 M) 1 mM 10 μL
MnCl2 (1 M) 1 mM 10 μL
BSA (30%) 0.1% 33.33 μL
ddH2O n/a 9.65 mL
Total n/a 10 mL

Can be stored at 4°C for 1 weeks.

Recommended: Adding BSA here as well as in Wash Buffer and Digitonin-300 Wash Buffer reduces beads sticking to tube walls without reduction in binding to cells/nuclei.