Prepared from Elastin-soluble (EPC No. ES12) dyed with sulfinilic acid by the method of Tomarelli et al. (51).
Absorbance of TCA-soluble peptides is 450 nm.
Reference.
(51) Tomarelli, R.M., Charney, J. and Harding, M.L., J. Lab. Clin.Med.,34,428, (1949).