Results 31 to 40 of about 12,543 (264)

Asbestos and insurance interests continue to use discredited scientific argument to sell asbestos and to deny justice to asbestos victims

open access: yesThe Journal of Scientific Practice and Integrity, 2019
Chrysotile asbestos represents ninety-five percent of all asbestos sold over the past century. For more than two decades the global asbestos trade has consisted entirely of chrysotile asbestos.
Kathleen Ruff   +11 more
doaj   +1 more source

ROS-mediated genotoxicity of asbestos-cement in mammalian lung cells in vitro

open access: yesParticle and Fibre Toxicology, 2005
Asbestos is a known carcinogen and co-carcinogen. It is a persisting risk in our daily life due to its use in building material as asbestos-cement powder.
Rödelsperger Klaus   +9 more
doaj   +1 more source

Effects of chrysotile and acid-treated chrysotile on macrophage cultures [PDF]

open access: yesOccupational and Environmental Medicine, 1971
Beck, E. G., Holt, P. F., and Nasrallah, E. T. (1971). Brit. J. industr. Med., 28, 179-185. Effects of chrysotile and acid-treated chrysotile on macrophage cultures. The addition of chrysotile asbestos to monolayer cultures of peritoneal and alveolar macrophages produces an increase in membrane permeability, as measured by eosin uptake and lactic ...
E G, Beck, P F, Holt, E T, Nasrallah
openaire   +2 more sources

A divergent heritage for complex organics in Isheyevo lithic clasts [PDF]

open access: yes, 2017
Primitive meteorites are samples of asteroidal bodies that contain a high proportion of chemically complex organic matter (COM) including prebiotic molecules such as amino acids, which are thought to have been delivered to Earth via impacts during the ...
Alexander   +114 more
core   +3 more sources

Quantitative Assessment of Asbestos Fibers in Normal and Pathological Pleural Tissue—A Scoping Review

open access: yesLife, 2022
Background: pleural mesothelioma is a rare cancer in the general population, but it is more common in subjects occupationally exposed to asbestos. Studies with asbestos fiber quantification in pleural tissue are scarce: for this reason, we aimed at ...
Yohama Caraballo-Arias   +3 more
doaj   +1 more source

Asbestos related diseases among workers of asbestos processing plants in relation to type of production and asbestos use

open access: yesMedycyna Pracy, 2015
Background: Asbestos dust is one of the most dangerous pneumoconiotic and carcinogenic agents. The aim of this study was to assess the occurrence of asbestosis and pleural mesothelioma, depending on asbestos consumption and the type of manufactured ...
Neonila Szeszenia-Dąbrowska   +4 more
doaj   +1 more source

Occupational cohort study of current and former workers exposed to chrysotile in mine and processing facilities in Asbest, the Russian Federation: Cohort profile of the Asbest Chrysotile Cohort study.

open access: yesPLoS ONE, 2020
A historical cohort study in workers occupationally exposed to chrysotile was set up in the town of Asbest, the Russian Federation, to study their cause-specific mortality, with a focus on cancer. Chrysotile has different chemical and physical properties
Joachim Schüz   +14 more
doaj   +1 more source

The Influence of Various Factors on Nanocatalyst Activity during Benzothiophene Hydrogenation

open access: yesApplied Sciences, 2022
Herein, we disclosed a method of preparing a nanocatalyst containing nickel-cobalt by impregnation in a hydrochloric acid medium. Optimal conditions were established for all stages of nanocatalyst preparation using the method of probabilistic ...
Aigerim Barshabayeva   +8 more
doaj   +1 more source

Characterization of Serpentines from Different Regions by Transmission Electron Microscopy, X-ray Diffraction, BET Specific Surface Area and Vibrational and Electronic Spectroscopy

open access: yesFibers, 2019
Serpentinite powdered samples from four different regions were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), SBET and porosity measurements, UV-Vis and Infrared Spectroscopy of the skeletal region and surface OH groups.
Miguel A. Rivero Crespo   +4 more
doaj   +1 more source

Diagnostic limitations of lung fiber counts in asbestos-related diseases

open access: yesThe Journal of Scientific Practice and Integrity, 2023
# Background Lung dust fibre analyses have been used by some pathologists to estimate past asbestos exposure in the workplace and its related health risks.
Joachim Schneider   +3 more
doaj   +1 more source

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