Vilensky Maxim Alekseevich RussiaSaratovSaratov State University, 410012, Russia, Saratov, Astrakhanskaya street, 83vilenskyma@mail.ru Author's articles Local Cluster Saratov Organized in Framework of the Seventh Framework Programme of Commission of the European Communities «Photonics4Life» The Study of Nail Bed Microcirculation by Laser SpeckleImaging Technique