Search Results - "Pezerat, H."

Cytotoxic and transforming effects of silica particles with different surface properties in Syrian hamster embryo (SHE) cells by Elias, Z, Poirot, O, Danière, M.C, Terzetti, F, Marande, A.M, Dzwigaj, S, Pezerat, H, Fenoglio, I, Fubini, B

“…Several crystalline and amorphous silica dusts (two quartz of natural origin, one cristobalite of natural and two of biogenic origin, three amorphous diatomite…”
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Mineral fibres: correlation between oxidising surface activity and DNA base hydroxylation by Nejjari, A, Fournier, J, Pezerat, H, Leanderson, P

“…In relation to their potential genotoxic properties, the ability of inorganic particles to induce activated species of oxygen with strong oxidative properties…”
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Reactive Oxygen Species Produced from Chromate Pigments and Ascorbate by Lefebvre, Yves, Pezerat, Henri

“…The reactions of various chromate pigments and ascorbate were investigated by an ESR spin trapping technique. Production of Cr(V) was detected directly and…”
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Comments on the Classification of Trioctahedral 2:1 Phyllosilicates by Suquet, H., Pézerat, H.

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Factors That Influence the Formation and Stability of Hydrated Ferrous Sulfate in Coal Dusts. Possible Relation to the Emphysema of Coal Miners by Huang, Xi, Zalma, Roger, Pezerat, Henri

“…Epidemiological studies have shown that a causal relationship may exist between coal dust exposure and emphysema in coal miners. Emphysema can be considered as…”
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Inactivation of alpha 1-antitrypsin by aqueous coal solutions: possible relation to the emphysema of coal workers by Huang, X, Laurent, P A, Zalma, R, Pezerat, H

“…Increasing evidence demonstrates that emphysema in coal workers may be related to their exposure to coal dusts. The hypothesis that emphysema could be related…”
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Effect of Mineral Particles Containing Iron on Primary Cultures of Rabbit Tracheal Epithelial Cells: Possible Implication of Oxidative Stress by Guilianelli, Catherine, Baeza-Squiban, Armelle, Boisvieux-Ulrich, Emmanuelle, Houcine, Odile, Zalma, Roger, Guennou, Christiane, Pezerat, Henri, Marano, Francelyne

“…Environmental mineral particles such as asbestos are responsible for numerous respiratory diseases. In addition to effects related to their geometry, particles…”
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Inhibition of human leukocyte elastase by mineral dust particles by Oberson, D, Desfontaines, L, Pezerat, H, Hornebeck, W, Sebastien, P, Lafuma, C

“…After isolation, purification, and radiolabeling of elastin from baboon aorta and lung, the rates of hydrolysis of both 3H-labeled elastins by porcine…”
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Cytotoxic and neoplastic transforming effects of industrial hexavalent chromium pigments in Syrian hamster embryo cells by Elias, Z, Poirot, O, Pezerat, H, Suquet, H, Schneider, O, Danière, M C, Terzetti, F, Baruthio, F, Fournier, M, Cavelier, C

“…Twenty eight moderately water-soluble to insoluble chromium (VI) compounds, such as zinc and lead chromate, industrial and laboratory synthesized pigments, and…”
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Parameters Influencing Layer Stacking Types in Saponite and Vermiculite: A Review by Suquet, Hélène, Pezerat, Henri

“…Saponites and vermiculites may assume at least 11 ordered or semi-ordered layer stacking sequences. For a given relative humidity, the layer stacking type…”
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The stimulatory effects of asbestos on NADPH-dependent lipid peroxidation in rat liver microsomes by Fontecave, M, Mansuy, D, Jaouen, M, Pezerat, H

“…Lipid peroxidation in rat liver microsomes induced by asbestos fibres, crocidolite and chrysotile, is greatly increased in the presence of NADPH, leading to…”
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Studies on surface properties of asbestos. III. Interactions between asbestos and polynuclear aromatic hydrocarbons by Fournier, J, Pezerat, H

“…The purpose of this study is to reveal the nature of the physicochemical interactions between asbestos and polynuclear aromatic hydrocarbons (PAH) in an…”
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Studies on surface properties of asbestos. I. Active sites on surface of chrysotile and amphiboles by Bonneau, L, Suquet, H, Malard, C, Pezerat, H

“…The study of the acid-base properties of asbestos reveals a striking analogy between amphiboles and chrysotile. The high sites' density with basic character,…”
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Studies on surface properties of asbestos. II. Role of dimensional characteristics and surface properties of mineral fibers in the induction of pleural tumors by Bonneau, L, Malard, C, Pezerat, H

“…In animal experiments, the probability that pleural tumors will develop after mineral fiber implantation is dependent upon the fiber's size. This was…”
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Production of oxygen radicals by the reduction of oxygen arising from the surface activity of mineral fibres by Pezerat, H, Zalma, R, Guignard, J, Jaurand, M C

“…According to certain hypotheses, the production of oxygen radicals within the biological medium (the phenomenon of oxidative stress) may play an important role…”
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Swelling and Structural Organization of Saponite by Suquet, H., de la Calle, C., Pezerat, H.

“…The structural formula of Kozfikov saponite (Czechoslovakia) is as follows: $N{a_{0.005}}C{a_{0.22}}{K_{0.01}}[S{i_{3.30}}A{l_{0.68}}F{e^{3 +…”
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Production of free radicals arising from the surface activity of minerals and oxygen. Part II. Arsenides, sulfides, and sulfoarsenides of iron, nickel, and copper by Costa, D, Guignard, J, Pezerat, H

“…The excess incidence of lung cancers observed in metallic mines other than iron mines probably can be correlated not only to radioactivity, but also to dust…”
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Production of free radicals arising from the surface activity of minerals and oxygen. Part I. Iron mine ores by Costa, D, Guignard, J, Zalma, R, Pezerat, H

“…The excess incidence of lung cancers observed in many metal mines probably is not only correlated with radioactivity but also with the inhaled dusts. In an…”
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Cytotoxic and transforming effects of some iron-containing minerals in Syrian hamster embryo cells by Elias, Z, Poirot, O, Schneider, O, Marande, A M, Danière, M C, Terzetti, F, Pezerat, H, Fournier, J, Zalma, R

“…Four physicochemically characterized iron-containing minerals, one fibrous (a nemalite [brucite]) and three nonfibrous (a biotite [phyllosilicate], a magnetite…”
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Fibrous glass: carcinogenicity and dimensional characteristics by Bertrand, R, Pezerat, H

“…Pleural responses in rats after the implantation of 17 samples of fibrous glass allowed Stanton et al. (1977) to formulate a statistical interpretation of the…”
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