PROTEIN MEASUREMENT WITH THE FOLIN PHENOL REAGENT

Since 1922 when Wu proposed the use of the Folin phenol reagent for the measurement of proteins (l), a number of modified analytical procedures ut.ilizing this reagent have been reported for the determination of proteins in serum (2-G), in antigen-antibody precipitates (7-9), and in insulin (10).Although the reagent would seem to be recommended by its great sensitivity and the simplicity of procedure possible with its use, it has not found great...