K07-0010. Two new isochromans, panowamycins A and B, were purified by solvent extraction, silica gel and octadecylsilyl silica gel (ODS) column chromatography followed by preparative HPLC , from a ...

Exclusion chromatography can be ... are retained in the pores of the gel, whereas the larger DNA is excluded and passes directly through the column. Bio-Gel P-2 can be used to separate ...