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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
(a) UV-vis spectra of Ag, Au, and Ag-Au bimetallic alloy nanoparticles before and after 24 h incubation in the presence of (a) α-Minimum Essential Medium Eagle (α-MEM) and (b) Royal Park Memorial Institute (RPMI ) cell growth media.