by employing a high-speed gel filtration method using a column of silica-based aqueous gel , tsk-gel g 300 sw , the three low molecular weight rna species , 5.8s and 5s rrna , and trna , were clearly separated from each other and from high molecular weight rna species in 200 mm sodium phosphate buffer , ph 7.0 , containing 0.1 % sds .
C0035701
rrna
C0035668
rna