title: A simple logarithmic amplifier for the photographic quantitation of DNA in gel electrophoresis.
mesh_terms: D000669:Amplifiers, Electronic; D004247:DNA / Q000032:analysis*; D004262:DNA Restriction Enzymes; D003720:Densitometry / Q000295:instrumentation*; D015252:Deoxyribonucleases, Type II Site-Specific; D004587:Electrophoresis, Agar Gel; D004996:Ethidium; D010781:Photography
chemical_list: D004247:DNA; D004262:DNA Restriction Enzymes; D015252:Deoxyribonucleases, Type II Site-Specific; C024403:GGCC-specific type II deoxyribonucleases; D004996:Ethidium