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Spectral Properties of Fluorogenic Thiophene-derived Triarylmethane Dyes.


ABSTRACT: Spectral properties and fluorogenic behaviors of five novel thiophene variants of malachite green (MG), termed MGTs, were determined. Appreciable changes as a function of homologation and substitution pattern, including absorption band positions and intensities and fluorescence quantum yields were observed. In particular, the shorter wavelength y-band absorption was found to shift over a nearly 200 nm range based on aryl group variation, allowing fine-tuning of the excitation wavelength for these dyes. In addition, the fluorescence intensity of some MGTs increased significantly (up to 4600-fold) when the dye was bound to a cognate protein partner, which is potentially useful for cell imaging studies.

SUBMITTER: Stensrud KF 

PROVIDER: S-EPMC6347535 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Spectral Properties of Fluorogenic Thiophene-derived Triarylmethane Dyes.

Stensrud Kenneth F KF   Zanotti Kimberly J KJ   Waggoner Alan S AS   Armitage Bruce A BA  

Photochemistry and photobiology 20181123 1


Spectral properties and fluorogenic behaviors of five novel thiophene variants of malachite green (MG), termed MGTs, were determined. Appreciable changes as a function of homologation and substitution pattern, including absorption band positions and intensities and fluorescence quantum yields were observed. In particular, the shorter wavelength y-band absorption was found to shift over a nearly 200 nm range based on aryl group variation, allowing fine-tuning of the excitation wavelength for thes  ...[more]

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