Why use a 50% ethanol solution of citric acid to extract a protein (BDNF) from solid tissue?

Hi all, We are extracting BDNF from hair samples, and for this, incubate the samples in 0.1 M citric acid made with 50% EtOH in water. Why does the citric acid solution need to be in 50%...

24 February 2023 2,754 1 View