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Rigidized 3-aminocoumarins as fluorescent probes for strongly acidic environments and rapid yeast vacuolar lumen staining: mechanism and application.
Joniak, Jakub; Stankovicová, Henrieta; Budzák, Simon; Sýkora, Milan; Gaplovská-Kyselá, Katarína; Filo, Juraj; Cigán, Marek.
Afiliación
  • Joniak J; Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia. marek.cigan@uniba.sk.
  • Stankovicová H; Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia. marek.cigan@uniba.sk.
  • Budzák S; Department of Chemistry, Faculty of Natural Sciences, Matej Bel University, 974 01, Banská Bystrica, Slovakia.
  • Sýkora M; Laboratory for Advanced Materials, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia.
  • Gaplovská-Kyselá K; Department of Genetics, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia.
  • Filo J; Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia. marek.cigan@uniba.sk.
  • Cigán M; Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15, Bratislava, Slovakia. marek.cigan@uniba.sk.
Phys Chem Chem Phys ; 25(30): 20212-20217, 2023 Aug 02.
Article en En | MEDLINE | ID: mdl-37470103
ABSTRACT
Coumarins remain one of the most important groups of fluorescent bio-probes, thanks to their high quantum yields, moderate photostability, efficient cell permeation and low (cyto)toxicity. Herein, we introduce new 3-aminocoumarins as turn-on pH probes under strongly acidic conditions and for indicators capable of significantly improving yeast vacuolar lumen staining compared to the commercial CMAC derivatives. We present the details of the on-off switching mechanism revealed by the TD-DFT and ab initio calculations complemented by a Franck-Condon analysis of the probes' emission profiles.
Asunto(s)

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Saccharomyces cerevisiae / Colorantes Fluorescentes Idioma: En Revista: Phys Chem Chem Phys Asunto de la revista: BIOFISICA / QUIMICA Año: 2023 Tipo del documento: Article País de afiliación: Eslovaquia

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Saccharomyces cerevisiae / Colorantes Fluorescentes Idioma: En Revista: Phys Chem Chem Phys Asunto de la revista: BIOFISICA / QUIMICA Año: 2023 Tipo del documento: Article País de afiliación: Eslovaquia