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  • Komarova, Anastasia D; Shcheslavskiy, Vladislav I; Plekhanov, Anton A; Sirotkina, Marina A; Bochkarev, Leonid N; Shirmanova, Marina V

    Methods in molecular biology (Clifton, N.J.), 2024, Letnik: 2755
    Journal Article

    The oxygen level in a tumor is a crucial factor for its development and response to therapies. Phosphorescence lifetime imaging (PLIM) with the use of phosphorescent oxygen probes is a highly sensitive, noninvasive optical technique for the assessment of molecular oxygen in living cells and tissues. Here, we present a protocol for microscopic mapping of oxygen distribution in a mouse tumor model in vivo. We demonstrate that PLIM microscopy, in combination with an Ir(III)-based probe, enables visualization of cellular-level heterogeneity of tumor oxygenation.