title: [Research on pre-biologic evolution. I. Amino acid composition of microspheres obtained from ammonium cyanide].
mesh_terms: D000578:Amidines / Q000138:chemical synthesis; D000596:Amino Acids / Q000138:chemical synthesis; D005075:Biological Evolution; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D003486:Cyanides; D006146:Guanidines / Q000138:chemical synthesis; D006358:Hot Temperature; D008854:Microscopy, Electron; D000644:Quaternary Ammonium Compounds; D013053:Spectrophotometry; D014508:Urea / Q000138:chemical synthesis
chemical_list: D000578:Amidines; D000596:Amino Acids; D003486:Cyanides; D006146:Guanidines; D000644:Quaternary Ammonium Compounds; D014508:Urea
vernacular_title: Recherches sur l'évolution pré-biologique. I. Composition en amino-acides des microsphérules obtenues à partir du cyanure d'ammonium.