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An inverted microscope has been modified for light scattering experiments with high angular resolution in combination with transmission, wide‐field fluorescence or laser scanning microscopy. Supported by simulations of Mie scattering, this method permits detection of morphological changes of 3T3 fibroblasts on apoptosis and formation of spherically shaped cells of about 20 μm diameter, in agreement...
Test systems for measuring cell viability in optical microscopy (based on colony formation ability or lysosomal integrity) were established and applied to native cells as well as to cells incubated with fluorescence markers or transfected with genes encoding for fluorescent proteins. Human glioblastoma and Chinese hamster ovary cells were irradiated by various light doses, and maximum doses where...
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