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The light absorption and emission characteristics of Gold Nanoparticles (GNPs) are exploited in detection and treatment of cancer. The properties of Nanoparticles (NPs) give them high potential for use in various medical applications, particularly in diagnostics and therapy where they promise increased sensitivity, speed, and costeffectiveness. The Ultraviolet-Visible and fluorescence properties of non-functionalized GNPs have not thus far been comprehensively documented. This study evaluated the absorption and fluorescence spectra for solutions of GNPs at different concentrations.
Abdelhalim et al. (Sun,) studied this question.