Phosphorescence Kinetics of Singlet Oxygen in HeLa Cells Suspension
- Authors: Belik V.P.1, Beltukova D.M.1, Belyaeva T.N.2, Gadzhiev I.M.1, Kornilova E.S.2, Litvinov I.K.2, Semenova I.V.1, Vasyutinskii O.S.1
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Affiliations:
- Ioffe Institute
- Institute of Cytology, Russian Academy of Sciences
- Issue: Vol 45, No 9 (2019)
- Pages: 936-939
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/208432
- DOI: https://doi.org/10.1134/S1063785019090165
- ID: 208432
Cite item
Abstract
The kinetics of singlet oxygen phosphorescence in HeLa cells suspended in phosphate buffered saline (PBS) being generated under photosensitized excitation with Radachlorin photosensitizer has been observed and studied. The characteristic time of singlet oxygen generation and its lifetime in HeLa cells have been determined. The experimental data analysis demonstrated that the singlet oxygen lifetime in cells decreases as compared to that in Radachlorin solutions in PBS and in water, while the photosensitizer triplet state lifetime increases.
About the authors
V. P. Belik
Ioffe Institute
Email: dina.beltukova@gmail.com
Russian Federation, St. Petersburg, 194021
D. M. Beltukova
Ioffe Institute
Author for correspondence.
Email: dina.beltukova@gmail.com
Russian Federation, St. Petersburg, 194021
T. N. Belyaeva
Institute of Cytology, Russian Academy of Sciences
Email: dina.beltukova@gmail.com
Russian Federation, St. Petersburg, 194064
I. M. Gadzhiev
Ioffe Institute
Email: dina.beltukova@gmail.com
Russian Federation, St. Petersburg, 194021
E. S. Kornilova
Institute of Cytology, Russian Academy of Sciences
Email: dina.beltukova@gmail.com
Russian Federation, St. Petersburg, 194064
I. K. Litvinov
Institute of Cytology, Russian Academy of Sciences
Email: dina.beltukova@gmail.com
Russian Federation, St. Petersburg, 194064
I. V. Semenova
Ioffe Institute
Email: dina.beltukova@gmail.com
Russian Federation, St. Petersburg, 194021
O. S. Vasyutinskii
Ioffe Institute
Email: dina.beltukova@gmail.com
Russian Federation, St. Petersburg, 194021