Stepanov, V M Chromatography of acid proteinases and chymotrypsin on a sorbent containing 2,4-dinitrophenyl residues. [electronic resource] - Journal of chromatography Feb 1975 - 373-7 p. digital Publication Type: Journal Article Standard No.: 10.1016/s0021-9673(00)91861-2 doi Subjects--Topical Terms: AbsorptionAnimalsAspergillus--enzymologyBuffersChromatography, AffinityChymotrypsin--analysisDinitrophenolsPepsin A--analysisPepsinogens--analysisPeptide Hydrolases--analysisSwine