目的探讨瘦素、胰岛素在原发性肝癌及肝硬化患者中的变化。方法采用放射免疫分析法和电化学发光免疫法检测70例肝癌患者、30例肝硬化患者及30例健康者的血清瘦素、胰岛素水平并进行比较分析。结果肝癌及肝硬化患者较正常对照组血清瘦素...目的探讨瘦素、胰岛素在原发性肝癌及肝硬化患者中的变化。方法采用放射免疫分析法和电化学发光免疫法检测70例肝癌患者、30例肝硬化患者及30例健康者的血清瘦素、胰岛素水平并进行比较分析。结果肝癌及肝硬化患者较正常对照组血清瘦素、胰岛素显著升高,体重指数(body mass index,BMI)显著降低;BMI、胰岛素和性别均为影响肝癌患者血清瘦素浓度的显著因素。结论瘦素、胰岛素可能参与了肝癌及肝硬化患者营养不良的发生。展开更多
The synthesis process and the waveguide fabrication conditions of melamine formaldehyde resin (MF) were investigated.We found that melamine formaldehyde resin forms optical transparent films and possesses optical tran...The synthesis process and the waveguide fabrication conditions of melamine formaldehyde resin (MF) were investigated.We found that melamine formaldehyde resin forms optical transparent films and possesses optical transparency easily under certain conditions.The transmission losses of waveguides fabricated were about 0.50 dB·cm-1 at 632.8 nm.The nonlinear optical properties of the melamine formaldehyde resin doped with disperse red 1(DR1) were also studied.The Melamine formaldehyde resin showed good resolvability with nonlinear molecules.The optimum precuring temperature was about 100℃and the optimum poling temperature was about 140℃for Dr1 doped formaldehyde resin.The second order nonlinear coefficient d33 was about 39 pm·V-1 for samples doped with DR1 for weight ratio about 5%.The sample also showed good thermal stability.展开更多
文摘目的探讨瘦素、胰岛素在原发性肝癌及肝硬化患者中的变化。方法采用放射免疫分析法和电化学发光免疫法检测70例肝癌患者、30例肝硬化患者及30例健康者的血清瘦素、胰岛素水平并进行比较分析。结果肝癌及肝硬化患者较正常对照组血清瘦素、胰岛素显著升高,体重指数(body mass index,BMI)显著降低;BMI、胰岛素和性别均为影响肝癌患者血清瘦素浓度的显著因素。结论瘦素、胰岛素可能参与了肝癌及肝硬化患者营养不良的发生。
文摘The synthesis process and the waveguide fabrication conditions of melamine formaldehyde resin (MF) were investigated.We found that melamine formaldehyde resin forms optical transparent films and possesses optical transparency easily under certain conditions.The transmission losses of waveguides fabricated were about 0.50 dB·cm-1 at 632.8 nm.The nonlinear optical properties of the melamine formaldehyde resin doped with disperse red 1(DR1) were also studied.The Melamine formaldehyde resin showed good resolvability with nonlinear molecules.The optimum precuring temperature was about 100℃and the optimum poling temperature was about 140℃for Dr1 doped formaldehyde resin.The second order nonlinear coefficient d33 was about 39 pm·V-1 for samples doped with DR1 for weight ratio about 5%.The sample also showed good thermal stability.
