目的 建立一种快速而特异的肺癌辅助诊断方法。方法 制备特异性识别肺癌细胞的鼠单克隆抗体，通过细胞免疫化学和ELISA方法检测抗体与痰液中脱落细胞的反应情况。结果 两种方法都显示，抗体2C25可选择性结合肺癌患者痰液中的脱落细胞，...目的 建立一种快速而特异的肺癌辅助诊断方法。方法 制备特异性识别肺癌细胞的鼠单克隆抗体，通过细胞免疫化学和ELISA方法检测抗体与痰液中脱落细胞的反应情况。结果 两种方法都显示，抗体2C25可选择性结合肺癌患者痰液中的脱落细胞，而不与肺炎患者和正常人痰液中的细胞发生反应。结论 抗体2C25在肺癌痰液免疫诊断中具有潜在的临床应用价值。Objective To develop a prompt and specific method for diagnosis of lung cancer.Methods A murine monoclonal antibody against lung cancer cells was developed and characterized with the techniques of ELISA,immunohistochemistry and immunocytochemical detection of sputum.Results The antibody selectively bound to lung cancer tissues and exfoliated cells in the sputum from the patients with lung canc-er, but did not bind to normal lung tissues and the cells in sputum either from the patients with pneumonia or from normal individu-als.Conclusion The antibody 2C25 has potential application for immunocytological detection of lung cancer cells in sputum.展开更多
Experimental works on sillimanite have been carried out recently in an attempt to produce high grade refractory brick ,the results have shown many promising properties:high thermal shock re-sistivity and high refracto...Experimental works on sillimanite have been carried out recently in an attempt to produce high grade refractory brick ,the results have shown many promising properties:high thermal shock re-sistivity and high refractoriness under olad (1690℃） in particular.展开更多
Under a firing temperature below 1350℃，kiln furniture of high creep resistance and good thermal shock resistivity has been obtained.The product is compsoed of mullite-cordierite matrix with high alumina bauxite cham...Under a firing temperature below 1350℃，kiln furniture of high creep resistance and good thermal shock resistivity has been obtained.The product is compsoed of mullite-cordierite matrix with high alumina bauxite chamottes as aggregate,The matrix iself is a product of reaction sintering of finely ground kyanite Suzhou kaolin,calcined alumina and talc,Theproperties of the samples were measured according to GB standard,and the analyses of the microstructure of the final samples were done by SEM.展开更多
The effect of three kinds of zircon raw materials on the sinterability and properties of porous zircon ceramics have been investigated.The results have shown that all the tested fired compacts are of high porosity,How...The effect of three kinds of zircon raw materials on the sinterability and properties of porous zircon ceramics have been investigated.The results have shown that all the tested fired compacts are of high porosity,However,the sintering process are different for different raw materials.The preferable selected raw materials for porous zircon ceramics were commercials zircon and quartz.展开更多
The reaction of sillimanite with alumina at temperatures 1650℃ an 1750℃ has been investigated.The results have shown that,in the laboratory test conditions,the higher the alumina content,the lower will be the amount...The reaction of sillimanite with alumina at temperatures 1650℃ an 1750℃ has been investigated.The results have shown that,in the laboratory test conditions,the higher the alumina content,the lower will be the amounts of glass-phse of the fired body and the higher will be the formation of mullite .In the present tests,however,the reaction in concern has not been completed,the reaction in concern has not been completed.Some uncombined residual alumina still exist in the form of corundum.展开更多
The grain-growth behavior of Al2O3 powder compacts with small contents(<5wt%) of various dopants was studied .The existence of tabular sub-grains were observed with all the following dopants: V2O5,MgO+Y2O3 and Na2B...The grain-growth behavior of Al2O3 powder compacts with small contents(<5wt%) of various dopants was studied .The existence of tabular sub-grains were observed with all the following dopants: V2O5,MgO+Y2O3 and Na2B4O7+V2O3+Pr.The tabular subgrains are defined as the abnormal grains longer than 30μm with an aspect ratio >50. They can be observed when the sintering temperature are higher than 1850℃。展开更多
文摘目的 建立一种快速而特异的肺癌辅助诊断方法。方法 制备特异性识别肺癌细胞的鼠单克隆抗体，通过细胞免疫化学和ELISA方法检测抗体与痰液中脱落细胞的反应情况。结果 两种方法都显示，抗体2C25可选择性结合肺癌患者痰液中的脱落细胞，而不与肺炎患者和正常人痰液中的细胞发生反应。结论 抗体2C25在肺癌痰液免疫诊断中具有潜在的临床应用价值。Objective To develop a prompt and specific method for diagnosis of lung cancer.Methods A murine monoclonal antibody against lung cancer cells was developed and characterized with the techniques of ELISA,immunohistochemistry and immunocytochemical detection of sputum.Results The antibody selectively bound to lung cancer tissues and exfoliated cells in the sputum from the patients with lung canc-er, but did not bind to normal lung tissues and the cells in sputum either from the patients with pneumonia or from normal individu-als.Conclusion The antibody 2C25 has potential application for immunocytological detection of lung cancer cells in sputum.
文摘Experimental works on sillimanite have been carried out recently in an attempt to produce high grade refractory brick ,the results have shown many promising properties:high thermal shock re-sistivity and high refractoriness under olad (1690℃） in particular.
文摘Under a firing temperature below 1350℃，kiln furniture of high creep resistance and good thermal shock resistivity has been obtained.The product is compsoed of mullite-cordierite matrix with high alumina bauxite chamottes as aggregate,The matrix iself is a product of reaction sintering of finely ground kyanite Suzhou kaolin,calcined alumina and talc,Theproperties of the samples were measured according to GB standard,and the analyses of the microstructure of the final samples were done by SEM.
文摘The effect of three kinds of zircon raw materials on the sinterability and properties of porous zircon ceramics have been investigated.The results have shown that all the tested fired compacts are of high porosity,However,the sintering process are different for different raw materials.The preferable selected raw materials for porous zircon ceramics were commercials zircon and quartz.
文摘The reaction of sillimanite with alumina at temperatures 1650℃ an 1750℃ has been investigated.The results have shown that,in the laboratory test conditions,the higher the alumina content,the lower will be the amounts of glass-phse of the fired body and the higher will be the formation of mullite .In the present tests,however,the reaction in concern has not been completed,the reaction in concern has not been completed.Some uncombined residual alumina still exist in the form of corundum.
文摘The grain-growth behavior of Al2O3 powder compacts with small contents(<5wt%) of various dopants was studied .The existence of tabular sub-grains were observed with all the following dopants: V2O5,MgO+Y2O3 and Na2B4O7+V2O3+Pr.The tabular subgrains are defined as the abnormal grains longer than 30μm with an aspect ratio >50. They can be observed when the sintering temperature are higher than 1850℃。
