Abstract

Near-infrared laser dyes were studied with the use of conventional fluorescence quenching. A systematic study of the effects of different quenchers and temperature on the fluorescence of near-infrared fluorophores is presented. Differences in the quenching of near-infrared fluorophores were observed for quenching by ionic quenchers. Quenching with ionic and nonionic quenchers led to nonlinear quenching results.

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