Crystalline silica
Blocking the 4-1BB Pathway Ameliorates Crystalline Silica-induced Lung Inflammation and Fibrosis in Mice
... and increased secretion of the Th1 cytokine IFN-γ [5, 27]. 4-1BB stimulating research has shown that although Th1 polarization of T cells was induced, IL-13 production could be enhanced in response to excessive IFN-γ ...
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Occupational Exposure to Respirable Dust, Crystalline Silica and Its Pulmonary Effects among Workers of a Cement Factory in Kermanshah, Iran
... (8). Crystalline silica is another risk factor for lung disease which is found in cement dust, and exposure to it can cause many diseases including silicosis, lung cancer and lung airways ...
6
Pulmonary hypertension and vascular remodeling in mice exposed to crystalline silica
... with silica at concentration of ...in silica treated lung and to ...in silica-treated lung, while no significant changes were observed in bleomycin-treated lungs ...that crystalline ...
14
Comparison of non-crystalline silica nanoparticles in IL-1β release from macrophages
... the silica particles (see ...micro-sized crystalline silica particles in alveolar macrophages occurring via actin-dependent phagocytosis [38] is required for eliciting inflamma- some response ...
13
Investigation of the Health Effects of Workers Exposed to Respirable Crystalline Silica During Outdoor and Underground Construction Projects in Greece
... Pulmonary function tests, radiological examination and evaluation of radiographs were, also performed. During the examination of the pulmonary function, the majority of the workers were within normal range (61.4%) while ...
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Risk Assessment of Workers Exposed to Crystalline Silica Aerosols in the East Zone of Tehran
... respirable crystalline silica ...containing crystalline silica and duration of exposure in the workplace setting ...respirable crystalline silica ...
8
Exposure to Respirable Dust and Crystalline Silica in a Cement Plant
... 7. Faghihi-Zarandi A, Ebrahimnejad P, Eghbal Sekhavati MR. Occupational exposure to crystalline silica and its pulmonary effects among workers of a cement factory in Saveh, Iran. Indian journal of ...
5
Assessment of Occupational Exposure to Dust and Crystalline Silica in Foundries
... Crystal silica exists in many industries such as cement, glass, concrete, ceramic, brick, pottery, foundry, and sandblasting industries (10, ...11). Silica in its crystalline form is intensely ...
5
Differential activation of RAW 264.7 macrophages by size-segregated crystalline silica
... Because smaller particles have a higher surface area per unit mass when compared to larger particles, smaller particles may more readily initiate potential negative bio- logical reactions, such as inflammation [24]. ...
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The structure of volcanic cristobalite in relation to its toxicity; relevance for the variable crystalline silica hazard
... Background: Respirable crystalline silica (RCS) continues to pose a risk to human health worldwide. Its variable toxicity depends on inherent characteristics and external factors which influence surface ...
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Dioscin Exerts Protective Effects Against Crystalline Silica-induced Pulmonary Fibrosis in Mice
... At present, there are few effective therapies that can reverse or even delay the progression of crystalline silica-induced fibrosis; thus, patients with this disease are usually only offered supportive care ...
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Exhaled breath condensate: a novel matrix for biological monitoring to assess occupational exposure to respirable crystalline silica
... respirable crystalline silica (RCS), this has not been analytically feasible in conventional biological ...dissolved silica whilst silica particles of various sizes were present in samples ...
6
An updated review of the genotoxicity of respirable crystalline silica
... Downs et al. [17] studied the induction of MN in vitro and in vivo by amorphous silica and gold nanoparticles, andDQ12 quartz was included as a reference control in both arms of the study. DQ12 was milled to ...
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The Ability of Crystalline and Amorphous Silica from Rice Husk Ash to Perform Quality Hardness for Ceramic Water Filtration Membrane
... Abstract: Silica is an inexhaustible resource on ...of silica mainly is to contribute to the strength and the hardness of the ceramic ...and crystalline silica from rice ...namely, ...
7
Role of SOD3 in silica-related lung fibrosis and pulmonary vascular remodeling
... of silica or saline as described previously [25]. Crystalline silica was sterilized at 200 °C for 2 h to inactivate endotoxin ...contamination. Silica suspension in sterile ...of ...
14
The nanosilica hazard: another variable entity
... the silica surface can induce cell membrane damage via lipid peroxidation that may subsequently lead to increased cellular permeability [62], perturbation of intracellular calcium homeostasis [63] and alterations ...
32
Pulmonary Functions and Health-Related Quality of Life among Silica-Exposed Workers
... to silica dust and the employees of the administrative department in an insulator manufacturing ...of crystalline silica emission from the process units were approximately 20 times higher than the ...
8
Silicosis and silicotuberculosis in mine workers in nagaur, ajmer and bhilwara district in Rajasthan
... Results of the study sample were statistically analysed for studying the relationship between the number of patients suffering from silicosiswith respect to number of years of exposure of silica dust by ...
6
The NLRP3 inflammasome in pathogenic particle and fibre-associated lung inflammation and diseases
... The concept of the inflammasome, a macromolecular complex sensing cell stress or danger signals and initiating inflammation, was first introduced approximately a decade ago. Priming and activation of these intracellular ...
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Effects of Silica Morphology on Emulsion Paint Properties Using Rice Husk Ash and Silica Flour as Pigment Extenders
... amorphous silica while RHA obtained above 800 0 C is predominantly crystalline ...amorphous silica. Crystalline and amorphous forms of silica have different properties hence the need to ...
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