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Investigation of the Lamb Dip in the Near IR Spectra of Water Containing DNA

Volume 7 - Issue 4

T Moguilnaya*1, A Voloshin2 and A Sher Yshev3

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    • 11JJSC SERVET-M, Russia
    • 2SRC for Applied Microbiology and Biotechnology, Russia
    • 3MATI - Russian State Technological University, Russia

    *Corresponding author: T Moguilnaya, J JSC “SERVET-M”, 115404, 8th Radial street, Moscow, Russia

Received: July 25, 2018;   Published: August 03, 2018

DOI: 10.26717/BJSTR.2018.07.001525

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In this paper, we present a study of stimulated Brillouin scattering (SBS) by E-coli, B.subtilis and coliphages in water. We found the Lamb-like dip in the spectra of SBS in the presence of organisms in water (higher than 1 cells/ml) at excitation by laser radiation with wavelengths 810 and 1017 nm and power 40¬150 mW. The mathematical model of non-linear interaction of the laser radiation with double-stranded DNA, consisted in two antiparallel chains, was designed to explain this phenomenon.

Keywords: SBS; Pathogens; Laser Monitoring; DNA

Abstract | Introduction | Experiment | Result and Discussion | Model DNA | Conclusion | References |