title: Estimation of nanogram quantities of proteins by pulse-polarographic technique.
mesh_terms: D000596:Amino Acids; D000643:Ammonium Chloride; D000818:Animals; D002417:Cattle; D002957:Citrus; D003035:Cobalt; D003851:Deoxyribonucleases / Q000032:analysis; D006878:Hydroxides; D007328:Insulin / Q000032:analysis; D008722:Methods; D008832:Microchemistry; D009113:Muramidase / Q000032:analysis; D010179:Pancreas / Q000201:enzymology; D011048:Polarography / Q000295:instrumentation; D011506:Proteins / Q000032:analysis*; D000644:Quaternary Ammonium Compounds; D012260:Ribonucleases / Q000032:analysis; D012463:Saliva / Q000032:analysis; D012710:Serum Albumin, Bovine / Q000032:analysis / Q000652:urine; D013053:Spectrophotometry; D013501:Surface-Active Agents; D014357:Trypsin / Q000032:analysis; D014466:Ultraviolet Rays
chemical_list: D000596:Amino Acids; D006878:Hydroxides; D007328:Insulin; D011506:Proteins; D000644:Quaternary Ammonium Compounds; D013501:Surface-Active Agents; D000643:Ammonium Chloride; D012710:Serum Albumin, Bovine; D003035:Cobalt; D003851:Deoxyribonucleases; D012260:Ribonucleases; D009113:Muramidase; D014357:Trypsin