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  1. No Access

    Article

    A Direct Experiment on the Passage of Ultra-Wideband Pulses of Subnanosecond Duration in the Earth’s Atmosphere

    The results of the first direct experiments on the passage of pulses of ultra-wideband radiation of subnanosecond duration in the Earth’s atmosphere at a distance of more than 10 km are presented. In contrast ...

    Corresponding Member of the RAS S. V. Garnov… in Doklady Physics (2023)

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    Article

    Holographic Study of the Response of HeLa Cells to Photodynamic Treatment with Endogenously Generated Protoporphyrin IX

    Changes in morphological and optical parameters of HeLa cells preincubated with 5-aminolevulinic acid (5-ALA), after photodynamic treatment (PDTr) with different intensity of excitation radiation are studied b...

    A. A. Zhikhoreva, A. V. Belashov, A. A. Akhundzyanov… in Optics and Spectroscopy (2022)

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    Article

    Dynamics of 5-Aminolevulinic Acid-Induced Accumulation of Protoporphyrin IX in Three Cell Lines of Different Origin

    The dynamics of synthesis and accumulation of protoporphyrin IX induced by 5-aminolevulinic acid (5-ALA) was studied using confocal fluorescence microscopy in three established cell lines: immortalized cells o...

    D. A. Gorbenko, A. V. Belashov, T. N. Belyaeva, E. S. Kornilova… in Technical Physics (2021)

  4. No Access

    Article

    The Development of Segmentation Algorithms in Holographic Microscopy and Tomography for Determination of Morphological Parameters of Cells

    Algorithms of cell segmentation on two-dimensional phase images and three-dimensional distributions of a refractive index obtained by means of digital holographic microscopy and tomography are developed. The p...

    A. V. Belashov, D. A. Gorbenko, A. A. Zhikhoreva… in Technical Physics Letters (2019)

  5. No Access

    Article

    Morphological Changes in Malignant Tumor Cells at Photodynamic Treatment Assessed by Digital Holographic Microscopy

    The paper presents an investigation of cell death dynamics and changes of cellular morphology induced by the intracellular generation of singlet oxygen as a result of photodynamic treatment. The response of ki...

    A. A. Zhikhoreva, A. V. Belashov, D. A. Gorbenko… in Russian Journal of Physical Chemistry B (2019)