ELISA blocking-buffer for 10ml

ELISA blocking-buffer for 10ml [0.05% Tween 20, 5%BSA, 0.05% azide, PBS]

• Mix on magnetic stirrer:
• 10ml PBS-Tween
• 100mg BSA {Sigma, No.:A3059-100G, Albumin, bovine serum, Fraction V}
• 50ul Sodium azide (from 10% NaN₃ stock solution)
• Store at +4C