Digital imaging microscopy: the marriage of spectroscopy and the solid state CCD camera

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Abstract
Biological samples have been imaged using microscopes equipped with slow-scan CCD cameras. Examples are presented of studies based on the detection of light emission signals in the form of fluorescence and phosphorescence. They include applications in the field of cell biology: (a) replication and topology of mammalian cell nuclei; (b) cytogenetic analysis of human metaphase chromosomes; and (c) time-resolved measurements of DNA-binding dyes in cells and on isolated chromosomes, as well as of mammalian cell surface antigens, using the phosphorescence of acridine orange and fluorescence resonance energy transfer of labeled lectins, respectively.

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