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ANALYSIS OF ACTION POTENTIALS, TRANSIENTS, AND ION FLUX IN EXCITABLE CELLS
ANALYSIS OF ACTION POTENTIALS, TRANSIENTS, AND ION FLUX IN EXCITABLE CELLS
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机译:兴奋细胞中的动作电位,瞬态和离子通量的分析
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摘要
Video recordings from two or more optical channels are produced, processed, and analyzed simultaneously in order to provide quantitative analysis of action potentials, calcium transients and ionic flux in excitable cells loaded with voltage or ion sensitive dyes with distinct excitation and emission wavelengths. The specific wavelengths of fluorescent light emitted from each dye are separated and recorded. The recordings are mutually registered and cytometric analysis is performed to provide a quantitative analysis of the action potentials, calcium transient, and/or ionic flux on a cell-by-cell and well-by-well basis in microtiter plates. The cells are then fixed, labeled for other biomarkers, and scanned again. The resulting fixed cell images are registered with the live cell recordings and analyzed; missing cells that were washed off are detected relative to the live recordings, and cytometry data from live and fixed cell scans is collated cell-by-cell.
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