Results 1 to 10 of about 10,035 (265)
Associated minerals in chrysotile deposits and their potential health risks [PDF]
Chrysotile samples from different deposits and the UICC-A and UICC-B standards have been analyzed by a procedure in which the chrysotile is removed by successive treatments in hydrochloric acid and sodium hydroxide, followed by transmission electron ...
Eric J. Chatfield
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Cytotoxicity of Heated Chrysotile [PDF]
Cytotoxicity and hemolysis were studied in chrysotile and quartz. The biological activity of the surface seemed to be different between chrysotile and quartz. Quartz lost its cytotoxicity on heating over about 500 degrees C. However chrysotile showed remarkable toxicity and induced hemolysis on heating between 650 and 800 degrees C, compared with the ...
Hisato Hayashi
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Design and application of environmentally effective concrete with usage of chrysotile-cement waste
Construction is resource-demanding industry, characterized by a large volume of waste. Particularly chrysotile cement waste obtained both in production and in dismantling over age chrysotile-cement products: corrugated asbestos boards and flat sheets ...
Egorova Lada +3 more
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Tubular-Shaped Stoichiometric Chrysotile Nanocrystals
Stoichiometric chrysotile tubular nanocrystals have been synthesized as possible starting materials for applications toward nanotechnology, and as a standard reference sample for the investigation of the molecular interactions between chrysotile, the ...
Giuseppe Falini +2 more
exaly +2 more sources
Health risk of chrysotile revisited [PDF]
This review provides a basis for substantiating both kinetically and pathologically the differences between chrysotile and amphibole asbestos. Chrysotile, which is rapidly attacked by the acid environment of the macrophage, falls apart in the lung into short fibers and particles, while the amphibole asbestos persist creating a response to the fibrous ...
David M Bernstein +2 more
exaly +3 more sources
Modification of Chrysotile Surface by Organosilanes: An IR–Photoacoustic Spectroscopy Study
Chrysotile and its dimethylsilyl (DMS) and dimethylphenylsilyl (DMPS) derivatives were studied by Fourier transform infrared–photoacoustic spectroscopy. In the Si–O stretching region of chrysotile a new band was revealed at 985 cm−1, besides absorptions ...
Ray L Frost, J Theo Kloprogge
exaly +2 more sources
Hydrothermal conversion of chrysotile asbestos using near supercritical conditions
Summarization: The present research investigates, develops and evaluates the transformation of chrysotile asbestos into a non-hazardous material, such as forsterite, using an economically viable and safe method.
Evangelos Gidarakos
exaly +2 more sources
Geoinspired Synthetic Chrysotile Nanotubes
Since the discovery, in 1991, of hollow cylindrical carbon-based unidimensional structures, the nanotubular form of matter has been thoroughly investigated leading to a wealth of papers.
FORESTI, ELISABETTA +5 more
core +2 more sources
Research progress on mechanism of epithelial mesenchymal transition induced by chrysotile exposure
As a mineral material widely used in life, chrysotile is a public health concern for its fibrogenicity and carcinogenicity. Currently, more than 50 countries have completely banned the import and use of chrysotile, but China is still the world's largest ...
Jiarui HE, Jianjun DENG
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The structure of chrysotile. II. Clino-chrysotile [PDF]
E. J. W. Whittaker
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