chrysotile asbestos
Chrysotile asbestos upregulates gene expression and production of alpha receptors for platelet derived growth factor (PDGF AA) on rat lung fibroblasts
... by asbestos inhalation. We have studied the interaction of chrysotile asbestos fibers with rat lung fibroblasts (RLF) in vitro and the consequent changes in PDGF receptor mRNA expression, PDGF ...
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Poly (ethylene terephthalate) synthesis with catalysts derived from chrysotile asbestos
... the chrysotile asbestos were evalu- ated as the polycondensation catalyst for BHET, and it was found that they show a significant catalytic activity by treating with carboxylic ...the asbestos and ...
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Power Stripping of Asbestos Containing Insulation from Electrical Cable
... chrysotile asbestos. This research was undertaken to de- termine the asbestos fiber exposure risks associated with power stripping machinery to remove asbestos-containing insulation materials ...
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Search for biomarkers of asbestos exposure and asbestos-induced cancers in investigations of the immunological effects of asbestos
... to asbestos fibers on another im- portant lymphocyte, CTL, were also examined in regard to antitumor ...of chrysotile following in vitro induction of CTL by the mixed lymphocyte reaction (MLR) using PBMCs ...
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Critical reappraisal of Balangero chrysotile and mesothelioma risk
... There is the further question that none of the cases are specifically called ‘miners’. For example, Mirabelli et al. [8] claims to have found a ‘cluster of 14 mesothelioma cases among workers who were active in the mine’ ...
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Cumulative asbestos exposure and mortality from asbestos related diseases in a pooled analysis of 21 asbestos cement cohorts in Italy
... and chrysotile asbestos by plant and period, indices were weighted for the proportion of the different fibre types and their esti- mated carcinogenic potency factor for pleural MM ...
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Molecular biology of malignant mesothelioma
... Since only a small number of oncogenes or TSGs with genetic alterations has been identified in MM, other, as yet unidentified genes may well be responsible for its devel- opment. Traditional allelotyping and karyotype ...
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Live-cell imaging of macrophage phagocytosis of asbestos fibers under fluorescence microscopy
... of asbestos fibers have not been ...of asbestos in this context. Cellular internalization of asbestos fibers has been ana- lyzed in numerous studies using transmission electron microscopy or ...
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ROS-mediated genotoxicity of asbestos-cement in mammalian lung cells in vitro
... in chrysotile-exposed ...that chrysotile gave a maximum damage to the cells at rela- tively low ...by chrysotile are responsible for the formation of micronuclei in differ- ent cell ...strengthened ...
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Evaluation of Asbestos Exposure Associated with Research Laboratories
... contain chrysotile asbestos with concen- trations ranging up to ...(TWA) asbestos levels as high as 0.02 f/cc. Testing of various asbestos containing materials used in re- search laboratories ...
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Asbestos Exposure in Schools
... Asbestos source remains and must be removed eventu- ally; fibers continue to be released behind enclosure (and during construction of enclosure); special oper- ations program is required[r] ...
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Global Asbestos Disaster
... Estimation of the global burden of mesothelioma deaths from incomplete national mortality data Occup Environ Med 2017;0:1–8.[r] ...
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Global Asbestos Disaster
... Methods of estimated lung cancer deaths using mesothelioma as a proxy for asbestos. use[r] ...
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1047.pdf
... the asbestos issue by staff, faculty, and students has resulted in periodic inspection requests, almost all sampling/inspection requests come from university physical or power plant ...
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OSHA’s Enforcement of Asbestos Standards in the Construction Industry
... the asbestos standards cited yielded similar results across these federal and state ...to asbestos because regulated areas were not established, exposure monitoring was not properly conducted, and ...
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Report drawn up on behalf of the Committee on the Environment, Public Health and Consumer Protection on health hazards of Asbestos EP Working Documents 1977 78, Document 344/77, 9 November 1977
... Short-term - the use of crocidolite should be banned in all Member States; - where safe substitutes already exist the use of asbestos could be forbidden; - the spraying of asbestos shoul[r] ...
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Mortality among workers exposed to asbestos at the shipyard of Genoa, Italy: a 55 years follow-up
... We conclude that our results support the role of asbestos inhalation on lung cancer risk, with 90 (22.6%) out of 399 deaths from lung cancer attributable to in- haled asbestos. The estimated AF was up to ...
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Altered functions of alveolar macrophages and NK cells involved in asbestos-related diseases
... We initially started the long-term culture of a human NK cell line, YT-A1, upon exposure to CB asbestos at 5 lg/ml, which did not show any influence on cell growth or apoptosis of YT-A1 cells. The CB-exposed ...
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The utility of electron microscopy in detecting asbestos fibers and particles in BALF in diffuse lung diseases
... The Helsinki Criteria have a guideline for identify- ing a high probability of occupational asbestos expos- ure (>1 ABs/ml of BALF using LM) [10]. The ATS and the ERS also have similar guidelines [8, 9], How- ...
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Comparison of the ultra-low-dose Veo algorithm with the gold standard filtered back projection for detecting pulmonary asbestos-related conditions: a clinical observational study
... Reader sensitivity with Veo images was poor for interstitial parenchymal abnormalities. No case of true asbestosis was recorded, but 15 patients had non-speci fi c intersti- tial abnormalities. However, the detection of ...
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