"P. chrysogenum"}} (original) (raw)

Journal of nanoscience and nanotechnology, 2018

Abstract

Platinum nanoparticles (Pt NPs) was synthesized via a facile and cost competitive ont-pot green mediated synthesis using cell free cultural filtrate (microgravity simulated grown Penicillium chrysogenum) as a reducing agent. The toxicity effect of synthesized Pt NPs toward myoblast C2C12 carcinoma cells was then investigated. The particle size analyzer (DLS) and transmission electron microscopy (TEM) results demonstrates that both NG-Pt NPs and MG-Pt NPS are spherical in shape with an average diameter of 15 nm and 8.5 nm, respectively. The results from UV-visible (UV-vis) spectroscopy and X-ray diffraction (XRD) analysis show a characteristic strong resonance centered at 265 nm and a single crystalline nature, respectively. The results derived from in vitro cytotoxicity showed a significant concentration-dependent decrement in cell viability when C2C12 cells were exposed to Pt NPs. Such decrement in cell viability is because of increased reactive oxygen species (ROS) generation. Cel...

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