title: Electrophoretic extraction-concentration of ribonucleic acid from agarose-acrylamide composite gels.
mesh_terms: D002021:Buffers; D004587:Electrophoresis, Agar Gel; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000032:analysis; D005898:Glass; D012329:RNA, Bacterial / Q000302:isolation & purification*
chemical_list: D002021:Buffers; D012329:RNA, Bacterial