Synthesis and spectral properties of polymethine-cyanine dye–nitroxide radical hybrid compounds for use as fluorescence probes to monitor reducing species and …

…, M Suzuki, M Kutsuna, K Takido-uchi, M Shindo…

文献索引：Sato, Shingo; Tsunoda, Minoru; Suzuki, Minoru; Kutsuna, Masahiro; Takido-uchi, Kiyomi; Shindo, Mitsuru; Mizuguchi, Hitoshi; Obara, Heitaro; Ohya, Hiroaki Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2009 , vol. 71, # 5 p. 2030 - 2039

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被引用次数: 21

摘要

Various hybrid compounds comprised of two types of nitroxide radicals and either a pentamethine (Cy5) or trimethine cyanine (Cy3) were synthesized. The nitroxide radicals were linked either via an ester-bond to one or two N-alkyl carboxyl-terminated groups of Cy5, or via two amido-bonds (aminocarbonyl or carbonylamino group) to the 5-position of the indolenine moieties of Cy5 and Cy3. Changes in fluorescence and ESR intensities of ...