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In vitro stability of Bulbine frutescens preserved leaf juice synthesized gold nanoparticles (BFSAuNPs) in (A) Roswell Park Memorial Institution (RPMI-1640) media, (B) Dulbecco’s modified Eagle’s media (DMEM), (C) 5% sodium chloride (NaCl), (D) pH of 4, (E) 7 and (F) 10 and (G) 0.5% bovine serum albumin (BSA).
