Chemiluminescence spectra of human myeloperoxidase and polymorphonuclear leukocytes

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Abstract
The light emission spectra of myeloperoxidase-H2O2-Cl- and phagocytizing polymorphonuclear leukocytes were estimated by a computer simulation technique by using light transmittance data from nine band-pass filters. No shift in the chemiluminescence spectrum of either system was observed during the course of the reactions, suggesting that the light-generating mechanisms remain constant after their initiation. Transmittances were virtually identical for both myeloperoxidase-H2-O2-Cl- and polymorphonuclear leukocyte reactions, suggesting that the light-generating mechanisms are identical and leading to the estimation of nearly identical spectra. Both spectra were broad, with maximum light emission near 570 nm.