Fluorescence and electronic action spectroscopy of mass-selected gas-phase fluorescein, 2',7'-dichlorofluorescein, and 2',7'-difluorofluorescein ions.

Abstract

2',7'-Dichloro- and 2',7'-difluorofluoresceins are superior alternatives to underivatized fluorescein. Although several studies characterizing their condensed-phase photophysical properties have been reported, little is known about their intrinsic characteristics. Here, the gas-phase properties of three charge states of each fluorescein are characterized… (More)
DOI: 10.1021/jp309767f

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