Improving the fluorescence brightness of naphthalimide and nitrobenzoxadiazole dyes with cycloalkylamine auxochromes

Das, Samarpita; Goswami, Pooja; Indurthi, Harish K.; Koch, Biplob; Sharma, Deepak K.

doi:10.1016/j.dyepig.2024.112206

Dyes and Pigments

2024

DOI: 10.1016/j.dyepig.2024.112206

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Improving the fluorescence brightness of naphthalimide and nitrobenzoxadiazole dyes with cycloalkylamine auxochromes

Samarpita Das,

Pooja Goswami,

Harish K. Indurthi

et al.

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2024

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Cited by 2 publications

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Azaspiroketal as Novel Auxochrome for Enhancing the Fluorescence Brightness and Solubility of Naphthalimide and Nitrobenzoxadiazole Dyes

Indurthi,

Goswami,

Das

et al. 2024

ChemistrySelect

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The majority of fluorescence imaging techniques make considerable use of fluorescent dyes. Nevertheless, many structural modification techniques currently in use could not adjust the fluorophores′ properties (such as brightness, photostability, water solubility, and permeability). Herein, we report azaspiroketal‐based auxochrome on naphthalimide and nitrobenzoxadiazole dyes. Their photophysical parameters revealed higher brightness and solubility than their azetidine counterparts in aqueous solution. Computational experiments were performed to study the electronic effect of azetidine and azaspiroketal on both dyes. Cytotoxicity assay indicated that azaspiroketal‐based fluorophores are safe to use for their biological application. The photobleaching studies and successful application of new dyes in bioimaging were demonstrated in MDA‐MB‐231 cell lines.

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Azaspiroketal as Novel Auxochrome for Enhancing the Fluorescence Brightness and Solubility of Naphthalimide and Nitrobenzoxadiazole Dyes

Indurthi,

Goswami,

Das

et al. 2024

ChemistrySelect

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Azacoumarin-based “turn-on” fluorescent probe for the detection and imaging of hydrogen peroxide in living cells

Das,

Chaudhuri,

Indurthi

et al. 2024

Org. Biomol. Chem.

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Improving the fluorescence brightness of naphthalimide and nitrobenzoxadiazole dyes with cycloalkylamine auxochromes

Cited by 2 publications

References 19 publications

Azaspiroketal as Novel Auxochrome for Enhancing the Fluorescence Brightness and Solubility of Naphthalimide and Nitrobenzoxadiazole Dyes

Azaspiroketal as Novel Auxochrome for Enhancing the Fluorescence Brightness and Solubility of Naphthalimide and Nitrobenzoxadiazole Dyes

Azacoumarin-based “turn-on” fluorescent probe for the detection and imaging of hydrogen peroxide in living cells

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