矽尘

接触矽尘及电焊烟尘工人肺癌组织中p53基因的初步研究

A Preliminary Study on p53 Gene in Lung Cancer Tissues of Workers Exposed to Silica and Welding Fumes

染矽尘大鼠肺组织不同时间点FasL表达与细胞凋亡

Expression of FasL and apoptosis in pulmonary tissue of rats exposed to silica at different time

SOD对染矽尘大鼠肺泡巨噬细胞MMP-2、MMP-9表达的影响

Effects of SOD on Expression of Metalloproteinase-2 , - 9 in Alveolar Macrophages of Rats Exposed to SiO_2 in vitro

方法用放免法测定149例诊断的矽肺患者和同厂87例不接触矽尘工人作对照组的血清HA及LN含量，分析病例组和对照组间关系。

Methods levels of serum HA and LN were measured in 149 silicosis and 87 workers without silicon in the same factory by using radioimmunoassay .

川芎嗪组自染矽尘后1d起每日腹腔注射川芎嗪注射液50mg/kg。

Rats in Ligustrazine group were injected intraperitoneally 50mg / kg / d Ligustrazine from 1 d after silica injection .

目的采用组织芯片和图像分析技术阐述染矽尘大鼠早期肺组织炎性损伤过程中肿瘤坏死因子-α（TNFα）表达的变化规律。

Objective To evaluate the temporal expressions of tumor necrosis factor - α( TNF - α) in early stage of silica exposed rat lungs by tissue array and image process technology .

方法对58名长期接触矽尘的工人进行临床、X射线平片、胸部CT等检查，该组病人平均年龄（59±2）岁，平均接尘工龄29年。

Methods Fifty eight workers with an average age of 59 years exposed to silica dust for a mean length of 30 years were examined by clinical physical check up , chest X ray plane film and CT scan .

为了从分子水平揭示矽尘与肺癌的关系，采用免疫组化和PCR－SSCP法对36例矽尘相关肺癌和6例电焊烟尘相关肺癌的抑癌基因p53的突变进行了研究。

Mutations of suppressor gene p53 was studied in 36 cases of silica related lung cancer and 6 cases of welding fume related lung cancer with immunohistochemical and PCR SSCP methods .

井下接尘工人IL-12和IFN-γ水平与矽尘接触工龄、年龄均无关（P0.05）。

The serum levels of IL-12 and IFN - γ in healthy coal workers were not associated with the duration of exposure to dust and the years of age ( P0.05 ) .

牛磺酸组与染矽尘组相比，BALF总NOS活力、iNOS活力和肺组织iNOS阳性面积百分比差异均无统计学意义（P0.05）。

There were no significant differences between taurine-treated group and silica-treated group in total NOS and iNOS activities of BALF supernatant , and iNOS positive area of the lung ( P 0.05 ) .

电焊烟尘及噪声联合致作业工人听力损伤作用电焊烟尘与矽尘所致肺部异常的早期HRCT表现的对比研究

Study on joint effect of welding fume and noise on hearing impairment Comparative study of the early lungs manifestations of the electric welding and the silicon dioxide dust induced on HRCT

[目的]探讨生产场所矽尘环境瞬时浓度（EIC）与其时间加权平均浓度（TWA）间的关系。

Objective To study the relationship between the environmental instantaneous concentration ( EIC ) and time weighted average concentration ( TWA ) of silica dust in workplaces .

结果表明，接触汞、二硫化碳、煤矽尘作业工人外周血淋巴细胞ANAE阳性率分别为53.7%、54.3%、45.3%；

It was found that the ANAE positive percentage in the peripheral blood of the workers exposed to mercury , carbon disulfide or coal-silica dust was 53.7 % , 54.3 % and 45.3 % respectively .

一起严重矽尘职业危害事件的调查分析

Survey on a Serious Occupational Hazard Event Caused by Silica Dust

染矽尘大鼠早期肺组织Ⅰ、Ⅲ型胶原的表达

Expressions of collagens ⅰ,ⅲ in rat lungs exposed to silica early

铁路隧道工矽尘接触与矽肺危险度评价

Risk Assessment for Silica Exposure and Silicosis of Railway Tunnellers

矽尘、亚硒酸钠对人肺腺癌细胞株生长的影响

Effect of silica dust and sodium selenite on SPC-A-1 growth

矽尘对人血铜蓝蛋白水平和碱性磷酸酶活力的影响

Effect of silicotic dust on level of CP and activity of ALP

染矽尘大鼠早期肺组织肿瘤坏死因子的表达

Expression of Tumor Necrosis Factor in Early Stage of Silica Exposed Rat Lung

呼吸性矽尘与矽肺的暴露&反应关系

Exposure-response Relationship between Respirable Silica Dust and Silicosis

染矽尘大鼠支气管肺泡灌洗液某些成分分析

Analysis of some components in bronchoalveolar lavage fluid of rats exposed to silica dust

钨矿矽尘、矽肺与肺癌关系再探讨钨矿矿工死因队列研究

Further Probe into the Correlation between Silica , Silicosis and Lung Cancer in Tungsten Mines

烟酸对染矽尘大鼠肺灌洗液细胞成份的影响

Effect of niacin on inflammatory cells in bronchoalveolar lavage fluid in rats exposed to silica

染矽尘大鼠肺脏器系数和肺胶原含量的变化

Changes of Lung / Body Coefficient and Lung Collagen in Rats Exposed to Silica Dust

地质勘探工人历年接触矽尘的评价

Evaluation of historical exposure to silica dust for the workers employed in geologic exploration industry

染矽尘大鼠不同时间点肺组织细胞凋亡

Expression of apoptotic cells in pulmonary tissue of rats exposed to silica at the different time

矽尘致肺泡巨噬细胞氧化损伤的超微结构和细胞化学研究

Ultrastructural and cytochemical study on free radical injury of rat alveolar macrophages by silicon dust in vitro

目的探讨染矽尘大鼠早期肺组织中Ⅰ型、Ⅲ型胶原形成的时间规律。

Objective To evaluate the effects of silica on temporal expressions of collagens ⅰ,ⅲ in rat lung .

生产场所矽尘环境瞬时浓度与时间加权平均浓度关系的研究

On the Relationship between Environmental Instantaneous Concentration and Time Weighted Average Concentration of Silica Dust in Workplaces

鼻粘膜细胞涂片检查，水泥尘组鼻粘膜细胞损害较矽尘组、非接尘组严重。

Nasal mucosa pathological damage was more serious comparing cement exposed group with silica exposed group and controls .