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Confocal real time microscopy of a human islet isolation stained with propidium iodide (PI; red; see arrows) and the FITC labeled apoptosis marker annexin V (green; see asterisks). Confocal microscopy was performed with a microlens-enhanced Nipkow disk-based confocal system mounted on an inverse microscope. All pictures were acquired with a 40 x water immersion objective.
