Acta Biomaterialia 71 (2018) 61–71 Contents lists available at ScienceDirect Acta Biomaterialia journal homepage: www.elsevier.com/locate/actabiomat Full length article Cancer cells biomineralize ionic gold into nanoparticles-microplates via secreting defense proteins with speciﬁc gold-binding peptides a,⇑ b a a a Ajay Vikram Singh , Timotheus Jahnke , Vimal Kishore , Byung-Wook Park , Madu Batuwangala , b a Joachim Bill , Metin Sitti Physical Intelligence Department, Max Planck Institute for Intelligent Systems, 70569 Stuttgart, Germany Institute for Materials Science, University of Stuttgart, Heisenbergstr. 3, 70569 Stuttgart, Germany article i nfo abstract Article history: Cancer cells have the capacity to synthesize nanoparticles (NPs). The detailed mechanism of this process Received 26 September 2017 is not very well documented. We report the mechanism of biomineralization of aqueous gold chloride Received in revised form 16 February 2018 into NPs and microplates in the breast-cancer cell line MCF7. Spherical gold NPs are synthesized in these Accepted 21 February 2018 cells in the presence of serum in the culture media by the reduction of HAuCl . In the absence of serum, Available online 1 March 2018 the cells exhibit gold microplate formation through seed-mediate growth albeit slower reduction. The structural characteristics of the two types of
Acta Biomaterialia – Elsevier
Published: Apr 15, 2018
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