81 results for “Reaction Department”, page 2 of 5
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Medical study · Medical research · 2008
Detection of chrysotile asbestos by using a chrysotile-binding protein
…m' elsewhere. In rockwool mixed with chrysotile, the bound protein was released from the washed sample and then reacted: a one-minute color reaction detected 1% chrysotile, and a 30-minute incubation detected 0.1%. The…
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Medical study · Medical research · 2000
Phospholipase A2-mediated superoxide production of murine peritoneal macrophages induced by chrysotile stimulation
…induced O(2) production, and (2) two different kinds of PLA(2) work upstream and downstream of PKC, but (3) G-protein, 5-LO and COX metabolites, and PAF have no modulatory role in the reaction.
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Medical study · Medical research · 1983
Small-airway lesions in patients exposed to nonasbestos mineral dusts
…which they call mineral dust airways disease, is a nonspecific reaction of the small airways to inorganic particulates. The presence of such changes casts considerable doubt on the theory that small-airway abnormalities in asbestos workers…
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Medical study · Medical research · 2013
Sources of organic nitrogen at the serpentinite-hosted Lost City hydrothermal field
The reaction of ultramafic rocks with water during serpentinization at moderate temperatures results in alkaline fluids with high concentrations of reduced chemical compounds such as hydrogen and methane. Such environments provide unique habitats for microbial communities…
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Medical study · Medical research · 2008
Magnesium hydroxide extracted from a magnesium-rich mineral for CO2 sequestration in a gas-solid system
Magnesium hydroxide extracted from magnesium-bearing minerals is considered a promising agent for binding CO2 as a carbonate mineral in a gas-solid reaction. An efficient extraction route consisting of hydrothermal treatment on serpentine in HCl…
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Medical study · Medical research · 2018
Atmospheric Carbon Mineralization in an Industrial-Scale Chrysotile Mining Waste Pile
…ultramafic mining waste have the potential to be used as a safe and permanent sequestration solution for carbon dioxide (CO2). Our understanding of thermo-hydro-chemical regimes that govern this reaction at an industrial scale, however…
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Medical study · Medical research · 1983
A murine model of asbestosis
…an initial macrophage reaction was found to progress to "asbestos body" formation and diffuse focal interstitial fibrosis within 1 year of a chronic exposure period. This reaction was most intense in areas adjacent to respiratory bronchioles…
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Medical study · Medical research · 1996
Chrysotile inhibits glutathione-dependent protection against the onset of lipid peroxidation in rat lung microsomes
…investigated in vitro in rat lung microsomes. Addition of 1 mM glutathione to the above reaction system containing microsomes supplemented with vitamin E (1 nmol/mg protein) reduced lipid peroxidation. Similar protection by glutathione could be…
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Medical study · Medical research · 1998
Antiradical and chelating effects in flavonoid protection against silica-induced cell injury
Quercetin, dihydroquercetin, and rutin are capable of scavenging superoxide anion (rate constants of the reaction with superoxide at pH 10 were 1.7 x 10(5), 1.5 x 10(5), and 0.5 x 10…
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Court case · California Court of Appeal · March 17, 2017 · in the opinion
Phillips v. Honeywell International Inc. (2017)
…goal of installing brakes weakens the inference that Phillips reaction to a warning on the boxes of Bendix brakes would have been the same as his reaction to the warning on cigarette packaging when he started…
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Medical study · Medical research · 2021
MicroRNA expression in lung tissues of asbestos-exposed mice: Upregulation of miR-21 and downregulation of tumor suppressor genes Pdcd4 and Reck
…mice four times weekly. We extracted total RNA from lung tissues and performed microarray analysis for miRNA and gene expression. We also carried out real-time polymerase chain reaction (PCR), Western blotting, and immunohistochemistry to confirm…
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Medical study · Medical research · 2018
In vitro genotoxicity of asbestos substitutes induced by coupled stimulation of dissolved high-valence ions and oxide radicals
…acellular ·OH which formed at the fiber surface at sites with loose/unsaturated bonds, as well as by catalytic reaction through dissolved iron. Accumulated mechanical and radical stimulation induced the intracellular reactive oxygen species (ROS) elevation…
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Medical study · Medical research · 2020
Efficient separation of Zn(Ⅱ) from Cd(Ⅱ) in sulfate solution by mechanochemically activated serpentine
…in the presence of SO42-. By adjusting the parameters including grinding intensity, reaction temperature, serpentine dosage and salt species, the optimum conditions were determined and a 92% separation rate of Zn(Ⅱ) and Cd(Ⅱ) ions…
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Medical study · Medical research · 2020
Effect of asbestos exposure on differentiation and function of cytotoxic T lymphocytes
…naïve CD8+ T cells following antigen stimulation. Exposure to chrysotile B asbestos suppressed the differentiation of CTLs during the mixed lymphocyte reaction (MLR) and was associated with a decrease in proliferation of CD8+ T cells. Additionally…
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Medical study · Medical research · 2016
Effects of Chrysotile Exposure in Human Bronchial Epithelial Cells: Insights into the Pathogenic Mechanisms of Asbestos-Related Diseases
…glycogen synthase kinase-3β (GSK-3β), and Akt were performed to confirm their involvement in asbestos-induced EMT. Real-time polymerase chain reaction (PCR), Western blotting, and gelatin zymography were performed to detect mRNA…
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Medical study · Medical research · 2014
Thermochemical destruction of asbestos-containing roofing slate and the feasibility of using recycled waste sulfuric acid
…chrysotile structure has revealed that the destruction of chrysotile by acid-digestion is greatly influenced by the reaction temperatures, showing a 80.3-fold increase in the reaction rate by raising the temperature by 30-100°C…
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Medical study · Medical research · 1983
Effects of chrysotile on a lysosomal enzyme preparation and on the hydrolytic enzyme activity of cultured alveolar macrophages
…inhibit or enhance lysosomal enzyme activity at either pH but may preferentially absorb specific enzymes and that the binding reaction between any given enzyme and mineral can be dependent on the presence of other organic compounds…
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Medical study · Medical research · 2009
A novel decomposition technique of friable asbestos by CHClF2-decomposed acidic gas
…for 30 min, respectively, by CHClF(2)-decomposed acidic gas. The observation of the reaction products by phase-contrast microscopy (PCM) and scanning electron microscopy (SEM) confirmed that the resulting products did not contain any asbestos.
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Medical study · Medical research · 1991
Preparation of radiolabeled bioactive asbestos fibers
…were radiolabeled successfully. Mild reaction conditions and short reaction times were found under which approximately 90% of the added 68Ge and 68Ga bound to the fibers. The radiolabel was retained even after washing the fibers extensively…
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Medical study · Medical research · 2007
Change of heme oxygenase-1 expression in lung injury induced by chrysotile asbestos in vivo and in vitro
…and 6 mo of recovery time. The expression of HO-1 was observed by Western blot analysis, reverse-transcription polymerase chain reaction, and immunostaining. Protein levels of HO-1 increased at from 3 days to 6…