A general method for the specific isolation of peptides containing modified residues, using insoluble antibody columns.

Amino Acids/analysis Aniline Compounds Animals Antibodies Antigen-Antibody Reactions Arsenic Azo Compounds Benzyl Compounds Carbon Isotopes Carboxypeptidases/analysis Cattle Chemical Phenomena Chemistry Chromatography Chymotrypsin Cyanides Dinitrophenols Electrophoresis, Paper Endopeptidases Formates Goats Immune Sera Lysine Methods Muramidase Ovalbumin Peptides/analysis,isolation & purification Polysaccharides Precipitin Tests Rabbits Ribonucleases/analysis Serum Albumin, Bovine Trypsin Tyrosine

Amino Acids Aniline Compounds Antibodies Azo Compounds Benzyl Compounds Carbon Isotopes Cyanides Dinitrophenols Formates Immune Sera Peptides Polysaccharides Serum Albumin, Bovine Tyrosine Ovalbumin Ribonucleases Muramidase Carboxypeptidases Endopeptidases Chymotrypsin Trypsin Lysine Arsenic