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2372篇 您的检索式:作者名="Z Ji"
    题名 作者 年代 出处 被引量
1^11C-PIBPET和^18F-FDGPET显像诊断阿尔茨海默病与遗忘型轻度认知损害的临床价值显示文摘目的应用11C-PIB PET和18F-FDG PET显像研究阿尔茨海默病和遗忘型轻度认知损害患者β-淀粉样蛋白(Aβ)沉积与葡萄糖代谢之间的关系,联合载脂蛋白E(ApoE)基因型进一步探讨遗忘型轻度认知损害与阿尔茨海默病的相关性。方法利用PET显像对阿尔茨海默病(14例)、遗忘型轻度认知损害(10例)和正常对照者(5例)脑组织Aβ沉积和葡萄糖代谢变化进行分析,采用聚合酶链反应-限制性片段长度多态性方法对ApoE基因型进行分析。结果阿尔茨海默病组患者11C-PIB标准化摄取比值在下顶叶、颞叶外侧、额叶、后扣带回皮质和楔前叶、枕叶和纹状体均高于正常对照组(P<0.05);遗忘型轻度认知损害组患者脑组织11C-PIB结合水平呈双峰形。11C-PIB+aMCI亚组与阿尔茨海默病组、11C-PIB-aMCI亚组与正常对照组之间11C-PIB标准化摄取比值差异均无统计学意义(P>0.05)。18F-FDG PET显像显示,3/5例11C-PIB+aMCI亚组患者双侧顶叶、颞叶和楔前叶代谢减低,其中2例ApoEε4等位基因携带者随访期间进展至阿尔茨海默病;3/5例11C-PIB-aMCI亚组患者双侧额叶和前扣带回代谢减低。结论11C-PIB PET显像是筛查具有阿尔茨海默病病理特点的遗忘型轻度认知损害患者的有效工具。具有阿尔茨海默病病理特征的遗忘型轻度认知损害患者可伴有顶叶、颞叶外侧皮质和楔前叶代谢减低,其中ApoEε4等位基因携带者更易进展至阿尔茨海默病痴呆。Shi Zhihong Wang Ying Liu Shuai Liu Shuling Z hou Yuying Wang Jinhuan Cai Li Gao Shuo Ji Yong 2014中国现代神经疾病杂志2014,14,3:8
2纳米光子结构软膜紫外光固化纳米压印(英文)显示文摘紫外光固化纳米压印是实现纳米结构批量复制的一种新技术.其特点是低成本和高分辨,而且可以达到极高的套刻精度.为了得到大面积图案的均匀复制,可用聚二甲基硅氧烷(PDMS)制备透光的压印软模板.其母版图案可由高分辨率电子束曝光和反应离子刻蚀的方法在硅片基底上获得,然后用浇注的方法将图案转移到PDMS上.本实验特别发展了紫外光固化纳米压印适用于软膜压印的双层膜图型转移技术.该双层膜由廉价的光胶和聚甲基丙烯酸甲脂(PMMA)构成.对光胶层的压印可用普通的光学曝光仪实现.然后再将图案用反应离子刻蚀的方法转移到PMMA层中.为了证明方案的可行性,在两种不同材料的半导体基片上压印了三角晶格的光子晶体和准晶结构的图案,并用剥离的方法将它们转移到金属薄膜上,最后成功地进行了硅片刻蚀实验.相信这一纳米制做方法对大面积纳米光子结构和光学集成芯片的制造是普遍适用的.SHI J WANG Z M BAO K PEROZ C BELOTTI M XU L P LUO C X SUN M H ZHANG B JI H OUYANG Q CHEN Y 2006纳米技术与精密工程2006,4,3:2
3On the preparation of amorphous Mg-Ni alloys by mechanical alloying 显示文摘Ji S J Sun J C Yu Z W 1999International Journal of Hydrogen Energy1999,24,:2
4Cryopreservation of kunming mouse oocytes using slow cooling, ultrarapid cooling and vitrifyication protocols显示文摘Men H S Chen J C Ji W Z 1997Theriogenology1997,47,:2
5High order symplectic schemes for the sine-Gordon equation显示文摘Wang Y S Wang B Ji Z Z 2003Journal of the Physics of Japan2003,72,11:2
6Pyrrolizidine alkaloid clivorine induced oxidative injury on primary cultured rat hepatocytes显示文摘Ji L Liu T Wang Z 2010Hum Exp Toxicol2010,29,4:1
7Method of multiple scales for vibration analysis of rotor-shaft systems with non-linear bearing pedestal model 显示文摘Ji Z Zu J W 1998Journal of Sound and Vibration1998,218,2:1
8Further analysis of interpolation effects in mutual information-based image registration显示文摘J X Ji H Pan Z Liang 2003IEEE Trans Medical Imaging2003,22,9:1
9查看详情显示文摘Ji W Y Zhang L T Zhang T Y Xie W F Zhang H Z 0,,:1
10An efficient algorithm for the parameter extraction of 3D interconnect structures in the VLSI circuits domain decomposition method显示文摘Zhu Z H Ji H Hong W 1997IEEE Transactions on Microwave Theory and Techniques1997,45,8:1
11Workspace Analysis of Stewart Platforms via Vertex Space显示文摘Z Ji 1994Journal of Robotic Systems1994,11,7:1
12Activation of P27kipl-cyclin D1/E- CDK2 pathway by polysaccharide from Phellinus linteus leads to S- phase arrest in HT-29 cells显示文摘Shi Z Ji D F Li Y G 2013Chem Biol Interact2013,206,2:1
13Joint features and mechanical properties of friction stir lap welding assisted by external stationary shoulder显示文摘Li Z W Yue Y M Ji S D 2016Materials and Design2016,90,15:1
14Sediment and metalsmodeling in shallow river显示文摘JI Z G HAMRICK J H PAGENKOPF J 2002Journal of Environmental Engineer-ing-ASCE2002,128,2:1
15A new understanding on the relation among microstructure, micro interfacial mechanical behaviours and macro mechanical properties in cast iron显示文摘He Z R Lin G X Ji S 1997Mech Eng Sci A1997,,:1
16A survery of various propagation models for mobile communication显示文摘Sarkar T K Ji Z Kim K 2003IEEE Antennas and Propagation Magazine2003,15,3:1
17The cysteine-rich region of T1R3 determines responses to intensely sweet proteins显示文摘Jiang P Ji Q Liu Z 2004J Biol Chem2004,,45:1
18Effective vehicle detection technique for traffic surveillance systems显示文摘Ji X P Wei Z Q Feng Y W 2006Visual Commun Image Represent2006,17,3:1
19Travel time reliability with risk sensitive travelers显示文摘Chen A Ji Z Recker W 2002Transportation Research Record2002,1783,:1
20Non -cooperative resource competition game by virtual referee in multieell OFDMA networks显示文摘Han Z Ji Z Liu K J R 2007IEEE Journal on Se- lected Areas in Communications2007,25,6:1
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