ArticleBiomedical optics express2018
Two-photon absorption spectra of fluorescent isomorphic DNA base analogs.
Article in Biomedical optics express, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Development of a Nucleoside Photosensitizer Efficiently Activated by One- or Two-Photon Absorption in the Optical Therapeutic Window.Journal of the American Chemical Society · 2026Article
- Thio and Seleno Derivatives of Angelicin as Efficient Triplet Harvesting Photosensitizers: Implications in Photodynamic Therapy.Chemphyschem : a European journal of chemical physics and physical chemistry · 2024Article
- Article
- Synthesis and photophysical characterization of fluorescent indole nucleoside analogues.RSC advances · 2023Article
- Determination of two-photon absorption in nucleobase analogues: a QR-DFT perspective.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2022Article
- Single-Molecule Detection of a Fluorescent Nucleobase Analogue via Multiphoton Excitation.The journal of physical chemistry letters · 2019Article
- 4-Cyanoindole-2'-deoxyribonucleoside (4CIN): A Universal Fluorescent Nucleoside Analogue.Organic letters · 2018Article
- Two-photon excitation two-dimensional fluorescence spectroscopy (2PE-2DFS) of the fluorescent nucleobase 6-MI.Proceedings of SPIE--the International Society for Optical EngineeringArticle
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fluorescent DNA base analogs and intrinsic fluorophores are gaining importance for multiphoton microscopy and imaging, however, their quantitative nonlinear excitation properties have been poorly documented. Here we present the two-photon absorption (2PA) spectra of 2-aminopurine (2AP), 7-methyl guanosine (7MG), isoxanthopterin (IXP), 6-methyl isoxanthopterin (6MI), as well as L-tryptophan (L-trp) and 3-methylindole (3MI) in aqueous solution and some organic solvents measured in the wavelength range 550 - 810 nm using femtosecond two-photon excited fluorescence (2PEF) and nonlinear transmission (NLT) methods. The peak 2PA cross section values range from 0.1 GM (1 GM = 10
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