The Sensitivity of Animal Cells Sensitized With Bilirubin under Irradiation of Blue and Green Spectral Range

O. A. Kozlenkova; L. G. Plavskaya; A. V. Mikulich; I. A. Leusenko; A. I. Tretyakova; V. Yu Plavskii; J. Gao; D. Xiong; X. Wu

doi:10.15625/0868-3166/26/4/9004

The Sensitivity of Animal Cells Sensitized With Bilirubin under Irradiation of Blue and Green Spectral Range

O. A. Kozlenkova, L. G. Plavskaya, A. V. Mikulich, I. A. Leusenko, A. I. Tretyakova, V. Yu Plavskii, J. Gao, D. Xiong, X. Wu

Author affiliations

Authors

O. A. Kozlenkova Laboratory of Organic Heterogeneous Media, B.I. Stepanov Institute of Physics of NAS of Belarus, 68, Nezavisimosti prospect, 220072 Minsk, Republic of Belarus
L. G. Plavskaya Laboratory of Organic Heterogeneous Media, B.I. Stepanov Institute of Physics of NAS of Belarus, 68, Nezavisimosti prospect, 220072 Minsk, Republic of Belarus
A. V. Mikulich Laboratory of Organic Heterogeneous Media, B.I. Stepanov Institute of Physics of NAS of Belarus, 68, Nezavisimosti prospect, 220072 Minsk, Republic of Belarus
I. A. Leusenko Laboratory of Organic Heterogeneous Media, B.I. Stepanov Institute of Physics of NAS of Belarus, 68, Nezavisimosti prospect, 220072 Minsk, Republic of Belarus
A. I. Tretyakova Laboratory of Organic Heterogeneous Media, B.I. Stepanov Institute of Physics of NAS of Belarus, 68, Nezavisimosti prospect, 220072 Minsk, Republic of Belarus
V. Yu Plavskii Laboratory of Organic Heterogeneous Media, B.I. Stepanov Institute of Physics of NAS of Belarus, 68, Nezavisimosti prospect, 220072 Minsk, Republic of Belarus
J. Gao Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, China
D. Xiong Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, China
X. Wu Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, China

DOI:

https://doi.org/10.15625/0868-3166/26/4/9004

Keywords:

hyperbilirubinemia, bilirubin, photosensitizer, cell viability, MTT-test, phototherapy, singlet oxygen

Abstract

It has been shown that exposure to radiation of LED sources of light with an emission band maximum at about 465 and 520 nm having substantially identical damaging effects on animal cells in culture, that are in a logarithmic growth phase and preincubated with pigment. Photobiological effect is caused by photodynamic processes involving singlet oxygen generated by triplet excited sensitizer. Mono-exponential type dependence of cell survival on the energy dose indicates that it is bilirubin that acts as a sensitizer but not its photoproducts. The inclusion of bilirubin in the cells, where it is primarily localized in the mitochondria cells, it is accompanied by multiple amplification photochemical stability compared to pigment molecules bound with albumin.

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Published

07-03-2017

How to Cite

[1]

O. A. Kozlenkova, “The Sensitivity of Animal Cells Sensitized With Bilirubin under Irradiation of Blue and Green Spectral Range”, Comm. Phys., vol. 26, no. 4, p. 345, Mar. 2017.

IEEE

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Issue

Vol. 26 No. 4 (2016)

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Papers

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