4 results for “Reaction Department”
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Medical study · Medical research · 2003
Ascorbic acid modifies the surface of asbestos: possible implications in the molecular mechanisms of toxicity
…consequence of the erosion of the outmost layers while hydration of silica tetrahedra yields new silanol groups. The activity in the Fenton-like reaction (OH from H(2)O(2)) decreases following surface iron depauperation. Conversely…
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Medical study · Medical research · 2018
Persistent Pleural Lesions and Inflammation by Pulmonary Exposure of Multiwalled Carbon Nanotubes
…spraying, the rats were sacrificed for histological examination of the lung and chest wall; pleural cavity lavage was also collected at sacrifice for observation of pleural inflammatory reactions. The results indicated that intratracheally sprayed MWCNTs, like…
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Medical study · Medical research · 2012
Surface reactivity and cell responses to chrysotile asbestos nanofibers
…Alps. Electron microscopy, X-ray diffraction, and fluorescence spectroscopy revealed that the procedure does not affect mineralogical and chemical composition. Surface reactions related to oxidative stress, free radical generation, bioavailability of iron, and antioxidant depletion, revealed…
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Medical study · Medical research · 1997
Mobilization of iron from urban particulates leads to generation of reactive oxygen species in vitro and induction of ferritin synthesis in human lung epithelial cells
…Urban air particulates also contain iron, and some of the pathological effects after inhalation may be due to reactive oxygen species produced by iron-catalyzed reactions. Two standard reference material (SRM) urban air particulate samples were…