E. P. Kroeff

Effect of solute ionization on chromatographic retention on porous polystyrene copolymers

D. Pietrzyk, E. P. Kroeff, T. D. Rotsch, 1978 .

Investigation of the retention and separation of amino acids, peptides, and derivatives on porous copolymers by high performance liquid chromatography

D. Pietrzyk, E. P. Kroeff, 1978 .

Production scale purification of biosynthetic human insulin by reversed-phase high-performance liquid chromatography.

R. Owens, E P Kroeff, R A Owens, 1989, Journal of chromatography.

Enantioselective Syntheses of 1-Carbacephalosporins from Chemoenzymically Derived β-Hydroxy-α-Amino Acids: Applications to the Total Synthesis of Carbacephem Antibiotic Loracarbef

S. W. Pedersen, Michael A. Staszak, M. Staszak, 2000 .

High performance liquid chromatographic study of the retention and separation of short chain peptide diastereomers on a C8 bonded phase

D. Pietrzyk, E. P. Kroeff, 1978 .

Chemical, Physical, and Biologic Properties of Biosynthetic Human Insulin

J. A. Hoffmann, R. Chance, B. Frank, 1981, Diabetes Care.