Effects of ascorbate ions on intracellular fluorescein emission polarization spectra in cancer and normal proliferating cells.


Ascorbate ions induced a polarization peak in the intracellular fluorescein fluorescence polarization spectra of asynchronous populations of a variety of cancer cell types from human and animal biopsy material or in cells grown in vivo and/or in vitro. The appearance of this polarization peak at 510 nm on excitation at 470 nm (P510 peak) indicates the… (More)


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