Results 131 to 140 of about 16,260 (175)
[A case of segmental atrophy of the liver in children]. [PDF]
Qiu YL, Mao Y, Lu CL.
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选取5株HCV共有序列合成一时5’端加端引物。上游加端为EcoRⅠ切点,下游加端为BamHI切点。以RT-PCR扩增一长为578bp的cDNA作目的基因,相应酶切后,反向插入PUC18的多克隆位点,构建pUHC-C重组体。分别或混合应用HCV特异内外引物和pUC特异通用引物以PCR扩增重组体,扩增产物分子片段均同预期一致。测序表明克隆基因与HCV-CHN最同源,在所测CE497个核苷酸及由之推导的160个氨基酸区域内。其核苷酸与氨基酸同源性都是97.5%。
doaj
[Research progress on animal models relevant to porto-sinusoidal vascular disease]. [PDF]
Li M, Wang JZ, Liu CH.
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[Analysis of induction therapy response in children with high-risk neuroblastoma]. [PDF]
Wang Y +6 more
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本研究建立一种Nested PCR技术检测HBV DNA,即采用内外两对引物分别进行连续两次扩增,使检测极限由一次PCR的10-2Pg提高到10-5Pg;经32P标记寡核苷酸探针作Southern转移杂交以及BgIⅡ作酶切分析证实两次扩增均为特异性扩增。通过抗-HBe阳性、单项抗一HBc阳性和单项抗-HBs阳性三种血清的HBV DNA的检测,表明该方法确能检出标准PCR所不能检出的极低水平的HBV感染,对提高乙型肝炎的诊断水平及更准确地评价药物疗效有重要意义。
doaj
[One case of hypopharyngeal dedifferentiated liposarcoma]. [PDF]
Yang M, DU Y, Zheng J, Ma J, Sha J.
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[A case of portal hypertensive cholangiopathy]. [PDF]
Zhang RL +5 more
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[Structural design and mechanical analysis of a "drum-shaped" balloon-expandable valve stent in expanded configuration]. [PDF]
Zhao Y +5 more
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[Advances and challenges in new technologies for imaging evaluation of liver fibrosis]. [PDF]
Ge QC, Lu LG.
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