Fig. 2From: PEGylated magnetic nanographene oxide for targeted delivery of arsenic trioxide and sec-o-glucosylhamaudol in tumor treatment with improved dual-drugs synergistic effecta Magnetization curves of Fe3O4, PEG@MGO, and PEG@MGO@ATO + SOG, magnetic recovery of PEG@MGO@ATO + SOG from aqueous solution (insert). b, c Release profile of ATO and SOG from PEG@MGO@ATO + SOG at different pH valuesBack to article page