Spectroscopic measurements of interactions between hydrophobic 1-pyrenebutyric acid and silver colloidal nanoparticles

Nguyen Hoang Ly,Thanh Danh Nguyen,Thanh Lam Bui,Sangyeop Lee,Jaebum Choo,Sang-Woo Joo

Colloids and Surfaces A: Physicochemical and Engineering Aspects（2017）

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摘要

•Hydrophobic pyrene acids were chemically interacted with Ag nanoparticles.•1-Pyrene acids were found to adsorb on silver via the COO− bonds.•Fluorescence quenching behaviors of pyrene acids were compared on Ag.•Glutathione-triggered desorption of pyrene acids were observed in cancer cells.•1-Pyrenebutyrate showed stronger binding than 1-pyrenecarboxlyate on Ag.

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关键词

Fluorescence quenching,Raman spectroscopy,Density functional theory,1-Pyrenebutyric acid,Silver nanoparticles,Intracellular release

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