Inactivation of bacteria of <i>P. Aeruginosa</i> by coherent and low-coherent speckles: Cellular response on photodamages

Onega V. Ulianova; Zhou Sibo; Zhang Zhihong; Sergey S. Ulyanov; Qingming Luo

doi:10.1117/12.656268

3 March 2006 Inactivation of bacteria of P. Aeruginosa by coherent and low-coherent speckles: Cellular response on photodamages

Onega V. Ulianova, Zhou Sibo, Zhang Zhihong, Sergey S. Ulyanov, Qingming Luo

Author Affiliations +

Proceedings Volume 6085, Complex Dynamics and Fluctuations in Biomedical Photonics III; 60850A (2006) https://doi.org/10.1117/12.656268
Event: SPIE BiOS, 2006, San Jose, California, United States

Abstract

Influence of laser irradiation and low-coherent speckles on the colonies grows of Pseudomonas Aeruginosa is studied. It has been demonstrated that effects of light on the inhibition or re-activation of cells are connected with speckle dynamics. The regimes of cell suspension perfusion with purpose of devitalization of bacteria are found on the base of experimental investigations. Mathematical model of interaction of low-coherent laser radiation with bacteria suspension has been developed. Parameters of mathematical model have been identified. Computer simulations of the processes of laser-cells interaction have been carried out.

Citation Download Citation

Onega V. Ulianova, Zhou Sibo, Zhang Zhihong, Sergey S. Ulyanov, and Qingming Luo "Inactivation of bacteria of P. Aeruginosa by coherent and low-coherent speckles: Cellular response on photodamages", Proc. SPIE 6085, Complex Dynamics and Fluctuations in Biomedical Photonics III, 60850A (3 March 2006); https://doi.org/10.1117/12.656268

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