Features of the local polarization structure of gene-based speckle patterns
Maxim S. Lavrukhin,1 Maxim G. Inkin,1 Onega V. Ulianova,1 Marina V. Alonova,2 Dmitry A. Zimnyakov,2 Anatoly V. Skripal,1 1 Saratov State University, 410012, Russia, Saratov, 83 Astrakhanskaya St. 2 Yury Gagarin State Technical University of Saratov, 410054, Russia, Saratov, 77 Polytechnicheskaya St.
Abstract
A method for speckle-polarization imaging of DNA nucleotide sequences of various biological objects is considered. The method is based on synthesis of a sequence-associated multi-element phase retarding structure and analysis of distributions of the local components of the Stokes vector in the diffraction pattern. This speckle-modulated pattern is formed due to reading out the synthesized phase retarder by a collimated coherent beam. Examples of application of the considered technique to various gene structures are presented.
Keywords: nucleotide sequences, nucleotide triplets, gene, phase screen, diffraction, local polarization, binary distributions.
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Maxim S. Lavrukhin
Saratov State University, 410012, Russia, Saratov, 83 Astrakhanskaya St
Russia
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