期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 22, 期 36, 页码 20901-20913出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cp03363d
关键词
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资金
- UBA [X0100110BA]
- ANPCyT [PICT-2015-0374, 2016-0370, 2016-0130, 2018-3193]
- CONICET [PIP 112-2013-01-00236CO]
- UNLP [11/X779]
- INFUSION project under H2020-MSCA-RISE-2016 [734834]
3,4-Dihydro-beta-carbolines (DH beta Cs) are a set of endogenously synthesized alkaloids spread over a great variety of living species (e.g., plants, animals and microorganisms), playing a broad spectrum of biological, biochemical and/or pharmacological roles, in a structure-dependent manner. Addressing unresolved fundamental aspects related to the photophysical properties of DH beta Cs might help to gain further insights into the molecular basis of the mechanisms of the biological processes where these alkaloids are involved. In this work, the UV-visible spectroscopic features of DH beta Cs are revisited and they are further analyzed by calculations at the Density Functional Theory (DFT) level. In addition, steady-state and time-resolved fluorescence spectroscopy, as well as quantitative singlet oxygen production analysis is reported. Data obtained herein are discussed in the framework of the potential biological role of these alkaloids.
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