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非放射性碘标记-电感耦合等离子体质谱用于免疫分析研究
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作者 李景喜 王小如 +1 位作者 庄峙厦 崔维刚 《光谱学与光谱分析》 SCIE EI CAS CSCD 北大核心 2010年第3期788-791,共4页
研究了非放射性碘标记-电感耦合等离子体质谱免疫分析体系,该体系以兔抗大肠杆菌作为模型抗原,羊抗兔IgG蛋白为抗体,建立了一种新的免疫分析方法。实验中采用溴代琥珀酰胺(NBS)为氧化剂,实现非放射性127I标记羊抗兔IgG蛋白,探索了标记... 研究了非放射性碘标记-电感耦合等离子体质谱免疫分析体系,该体系以兔抗大肠杆菌作为模型抗原,羊抗兔IgG蛋白为抗体,建立了一种新的免疫分析方法。实验中采用溴代琥珀酰胺(NBS)为氧化剂,实现非放射性127I标记羊抗兔IgG蛋白,探索了标记的最佳条件,标记率为63.12%;标记物在Sephadex G50柱上分离纯化后,研究了I-羊抗兔蛋白的稳定性,结果表明,标记物在4℃放置96 h后几乎没有碘脱落,并保持一定的活性。实验中采用聚苯乙烯96孔板作为固相载体进行免疫反应,以电感耦合等离子体质谱为检测手段,方法的检出限为0.12 mg.L-1,RSD(n=9)为3%;该体系也可适用于其他活性蛋白、核酸等的标记和分析。 展开更多
关键词 非放射性碘 免疫分析 电感耦合等离子体质谱
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Intraoperative permanent implantation of radioactive I-125 seed for local advanced non small lung cancer 被引量:1
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作者 Dekang Yang Yuan Qiu +3 位作者 Dong Li Xiangyang Cheng Jianxing He Ping Chen 《The Chinese-German Journal of Clinical Oncology》 CAS 2007年第2期191-192,共2页
Objective: To study the clinical efficacy and methods of permanent implantation of radioactive I-125 seed in surgery for local advanced non small lung cancer (LANSCLC). Methods: From Apr. 2004 to Apr. 2006, the I-... Objective: To study the clinical efficacy and methods of permanent implantation of radioactive I-125 seed in surgery for local advanced non small lung cancer (LANSCLC). Methods: From Apr. 2004 to Apr. 2006, the I-125 seeds were implanted into 30 patients with LANSCLC in surgery. The numbers of seeds were 10-40. The chemotherapy was performed in 10 to 14 days after operation. Results: There was no operative death, and the distribution of seeds and complications were reviewed by CT and X-ray after treatment. The distribution of seeds was satisfactory in all patients. The complete response rate (CR) was 56.6% and the part response (PR) was 26.6%. The overall response rate was 83.3% after 4-24 months of surgery. There was no one occurred radiation pneumonia. Prospective efficacy await further follow-up. Conclusion: Permanent implantation of 1-125 seed in surgery for LANSCLC, is a safe and effective method with mild complications. 展开更多
关键词 local advanced non small lung cancer radioactive I-125 seed IMPLANTATION
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