The conversion rate from AA into PGG2 and PGH2 by chemical reaction and column chromatography was about 34%. The purity of endoperoxide products was more than 90%.
Polyamide and silica gel column chromatography was used to isolate and extract the analgesic and antemetic constituents.
Methods Hamster kidney cells were infected with tick - borne encephalitis virus, and the harvested virus suspension was concentrated by ultrafiltration and purified by column chromatography.
METHODS CTX-dwas fractionated and purified from Naja naja atra venom by column chromatography and RP-HPLC.
A type of column chromatography in which proteins are separated according to charge. Column is loaded with ions.
Methods:(1) To separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.
The optimum condition of the separation enrichment by column chromatography with activated charcoal and sodium sulfite strip and extraction of trace gold with TMK-isoamyl alcohol has been studied.