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Pentamethinium fluorescent probes: The impact of molecular structure on photophysical properties and subcellular localization

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    0442559 - ÚMG 2015 RIV GB eng J - Journal Article
    Bříza, T. - Rimpelová, S. - Králová, Jarmila - Záruba, K. - Kejík, Z. - Ruml, T. - Martásek, P. - Král, V.
    Pentamethinium fluorescent probes: The impact of molecular structure on photophysical properties and subcellular localization.
    Dyes and Pigments. Roč. 107, August 2014 (2014), s. 51-59. ISSN 0143-7208. E-ISSN 1873-3743
    R&D Projects: GA AV ČR KAN200100801; GA ČR(CZ) GAP303/11/1291; GA MŠMT(CZ) CZ.01.05/2.1.00/01.00.30; GA MŠMT(CZ) CZ.1.07/2.300/30.0060
    Institutional support: RVO:68378050
    Keywords : Pentamethinium salts * Fluorescent probes * Mitochondria * Cardiolipin Photostability * Organelle imaging
    Subject RIV: CE - Biochemistry
    Impact factor: 3.966, year: 2014

    The performance of fluorescent probes arises from their structural basis. In this study, we report design and synthesis of a series of novel symmetrical gamma-substituted pentamethinium fluorescent probes. Relationship between structure, photophysical properties and intracellular localization was explored and structural variations resulting in high photostabillity and selectivity for subcellular localization were obtained. Substitution of benzothiazolium moieties on both sides of the pentamethinium chain for indolium units led to red shift in the absorption and fluorescence emission maxima of the probe and increased photostability. The major advantage of the probes with side indolium units is their mitochondrial specificity, high photostability and synthetic accessibility. (C) 2014 Elsevier Ltd. All rights reserved.
    Permanent Link: http://hdl.handle.net/11104/0245365

     
     
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