نتایج جستجو برای: anti oxidants
تعداد نتایج: 369499 فیلتر نتایج به سال:
Oxidative burst provides the mechanism for specialized phagocytes, such as granulocytes or monocytes, to kill invading microorganisms through generation of superoxide anions. However, the oxidants generated during the burst damage DNA of the phagocytes and neighboring cells. Human blood leukocytes treated with phorbol myristate acetate (PMA) are considered to represent the experimental model of...
Three different materials (aluminum, ferro -silicon and silicon) were used as antioxidants in order to prevent the decarburization process and to keep and/or increase the final properties in MgO-C refractories. Their effects were compared by measuring the physical and mechanical properties as well as oxidation and the resultant phases and microstructures, in the temperature range of 200-1600 ...
Background and Objectives: Some nursing and medicine activities may increase the production of free radicals in patients. Therefore, this study was performed to determine the effect of suction with a tube located inside of the trachea on the amount of oxidative stress indexes in CABG patients. Matrial and Methods: This clinical study was performed on 35 patients which were under coroner vas...
The mechanism(s) by which cells can sense exogenous oxidants that may contribute to intracellular oxidative/nitrosative stress is not clear. The objective of this study was to determine how cells might respond to exogenous oxidants to potentially initiate, propagate and/or maintain inflammation associated with many human diseases through NF-κB activation. First, we used HEK-Blue cells that are ...
Oxidative stress enhances inflammation and reduces the effectiveness of corticosteroids, but the inflammatory signalling pathways induced by oxidants remain ill-defined. Phosphorylation of histone 3 at serine 10 (H3-Pser10) marks out a subset of inflammatory genes for transcription, several of which are induced in oxidant-associated inflammation. However, the influence of oxidants or of cortico...
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