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To investigate the effect of SeNPs on EGF induced hyperproliferation, MTT assay was performed with SeNPs at 24 h time point at concentrations ranging from 0.39 to 50 g/ml and further stimulated with EGF

Kawabata H, Yang R, Hirama T, Vuong PT, Kawano S, Gombart AF, et al

doi: 10.3390/antiox9111076

Biodistribution and toxicity of engineered gold nanoparticles: a review of in vitro and in vivo studies

One of the five subjects did have a higher overall acne lesion count after two months, there was a specific 2-fold increase in pustules and comedones, however, a 30 percent reduction in inflammatory papules was also noted