Polarized Fluorescence in NADH Two-Photon Excited by Femtosecond Laser Pulses in the Wavelength Range of 720–780 nm
- Authors: Sasin M.E.1, Gorbunova I.A.1, Bezverkhnii N.O.1, Beltukov Y.M.1, Vasyutinskii O.S.1, Rubayo-Soneira J.2
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Affiliations:
- Ioffe Physical Technical Institute, Russian Academy of Sciences
- Universidad de La Habana
- Issue: Vol 45, No 7 (2019)
- Pages: 672-674
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/208362
- DOI: https://doi.org/10.1134/S1063785019070101
- ID: 208362
Cite item
Abstract
The decay of polarized fluorescence in coenzyme NADH in aqueous-methanol solution under two-photon excitation by femtosecond laser pulses within the spectral range of 720–780 nm has been studied. Molecular fluorescence parameters: decay times τ1 and τ2, rotational diffusion time τrot, and pre-exponential factor ratio a2/a1 have been determined from experiment. The results obtained have been compared with those reported recently in NADH in aqueous solution.
About the authors
M. E. Sasin
Ioffe Physical Technical Institute, Russian Academy of Sciences
Author for correspondence.
Email: sasin@ffm.ioffe.ru
Russian Federation, St. Petersburg, 194021
I. A. Gorbunova
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: sasin@ffm.ioffe.ru
Russian Federation, St. Petersburg, 194021
N. O. Bezverkhnii
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: sasin@ffm.ioffe.ru
Russian Federation, St. Petersburg, 194021
Y. M. Beltukov
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: sasin@ffm.ioffe.ru
Russian Federation, St. Petersburg, 194021
O. S. Vasyutinskii
Ioffe Physical Technical Institute, Russian Academy of Sciences
Email: sasin@ffm.ioffe.ru
Russian Federation, St. Petersburg, 194021
J. Rubayo-Soneira
Universidad de La Habana
Email: sasin@ffm.ioffe.ru
Cuba, La Habana