2018 Volume 91 Issue 3 Pages 447-454
Fluorescent metal nano-clusters with size-dependent properties have emerged as the next generation fluorophores with versatile applications. In this article, we give a brief overview on three fluorescent metal nano-clusters, (gold, silver and copper). Because of their non-toxicity and solubility in water they are highly suitable for biological systems and in particular, live cell imaging. We show that they may be used for distinguishing cancer and non-cancer cells and selective killing of cancer cells. We also discuss their effect on enzyme catalysis.
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