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July 27- 31, 2019, the International Symposium "Topical Problems of Biophotonics" was held for the 7^th time. BioVitrum took an active part in the event.

The Symposium was organized by the Institute of Applied Physics of the Russian Academy of Sciences and the Volga Scientific and Medical University. It took place on the ship board "Konstantin Korotkov", which made a five-day cruise along the route Nizhny Novgorod - Uglich - Nizhny Novgorod.

The symposium was chaired by Ammasi Periasamy (University of Virginia, USA), Ilya Turchin (Head of the Biophotonics Laboratory, IAP RAS), Alfred Vogel (University of Luebeck, Germany) and Elena Zagainova (Volga Scientific and Medical University).

The interdisciplinarity of biophotonics allows scientists from different fields of science to unite and work together for solving complex problems. The main topics of TPB-2019 were: optical bioimaging, clinical biophotonics, biophotonics in research on cancer and stem cells. In addition, one of the important directions was discussed - targeted drug delivery, as well as the results of recent studies, some of which have not yet been published in scientific journals.

The several sessions of the symposium were devoted to new research in regenerative medicine and developmental biology. Modern methods of biophotonics allow to see and track the dynamics of inaccessible processes in real time (such as fertilization and stem cell differentiation), as well as find new sources of tissue regeneration.

Within the framework of two sessions there were discussed new approaches in the field of photodynamic therapy (PDT) - the treatment of various diseases using a photosensitizer and optical radiation. New methods for monitoring PDT using various optical technologies (optoacoustic, fluorescence, optical coherence tomography) were presented in program.

The discussion was attended by experts from Russia, Germany, China, Taiwan and the UK.

BioVitrum has been participating in the symposium for more than a year. In 2019 BioVitrum specialists introduced the participants to modern biophotonics devices, including the new Nikon EclipseTi2 research microscope. There were presented FLIM systems of Becker & Hickl, which, in addition to electronic single-photon counting boards, produces picosecond diode lasers, ultrafast and sensitive detectors, multi-channel detector units for recording signals in a wide spectral range, and program modules for controlling an experiment in which registration is required single photons.

At the International Symposium "Topical Problems of Biophotonics" students, graduate students and candidates of sciences had a unique opportunity to discuss their scientific research with world-class scientists and talk on different topics.