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  • Title: [Comparison of the effects of laser and light-emitting diodes on lipid peroxidation in rat wound exudate].
    Author: Klebanov GI, Shuraeva NIu, Chichuk TV, Osipov AN, Vladimirov IuA.
    Journal: Biofizika; 2006; 51(2):332-9. PubMed ID: 16637342.
    Abstract:
    The effect of laser and light-emitting diode radiation on lipid peroxidation in rat wound exudate was studied with the aim to compare the efficiency of coherent laser and incoherent light-emitting diode radiations. A model of aseptic wound in rat suggested by L.I. Slutskii was used. A He-Ne laser (632 nm) and a U-332B light-emitting diode were used in this study. The intensity of lipid peroxidation was estimated by the TBA assay. The antioxidative capacity of rat wound fluid was evaluated by means of chemiluminescent assays in two model systems: a) aqueous system with ABAP and luminol and b) in phospholipid liposome suspension with Fe2+ and cumarin. It was shown that exposure of rat wounds to both laser and light-emitting diode radiation decreased the concentration of TBA products and increased the antioxidative capacity of wound exudates, compared with the control group (without irradiation). The results obtained show that exposure of wounds to both laser and light-emitting diode irradiation causes a decrease in the oxidative stress in the rat wound fluid. No significant quantitative difference between the effects of laser and light-emitting diode irradiation was found.
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