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7910篇 您的检索式:作者名="Li W M"
    题名 作者 年代 出处 被引量
1激光剥蚀信号在线平滑和去汞装置:原位微区铅同位素准确分析利器显示文摘激光原位微区分析可在微观尺度上完成样品的元素定量分析或同位素组成测定,为研究成岩、成矿物质来源和追踪地壳与地幔演化历史提供了独特的观察视野。但是,激光剥蚀等离子体质谱的一些缺陷阻碍了地质样品的高精度、高空间分辨率分析,比如:剥蚀池的位置效应、低剥蚀速率下信号波动影响、激光剥蚀脉动式信号导致的光谱螺纹效应、高频激光剥蚀造成的元素分馏效应等。为此,一些学者设计了不同规格和样式的激光剥蚀信号平滑装置来克服这些问题。但是,这些信号平滑装置普遍还存在气体吹扫时间过长和降低激光剥蚀信号灵敏度等问题。因此,研制新型的信号平滑装置对改善LA—ICP—MS的数据质量具有重要的意义。Hu Z Zhang W Liu Y Gao S Li M Zong K Chen H Hu S 刘勇胜 2015矿物岩石地球化学通报2015,34,4:114
2Association of farnesyl diphosphate synthase polymorphisms and response to alendronate treatment in Chinese postmenopausal women with osteoporosis显示文摘Liu Y Li M Zhou PR Xing XP Xia WB Xu L Liu H J Zhang ZL LiaoEY Chen DC Liu J Tao TZ Wu W 2014Chinese Medical Journal2014,,4:16
3Bis(7)-tacrine attenuates beta amyloid-induced neuronal apoptosis by regulating L-type calcium channels显示文摘Fu H Li W Lao Y Luo J Lee NT Kan KK Tsang HW Tsim KW Pang Y Li Z Chang DC Li M Han Y 2006中国生物学文摘2006,20,10:10
4Synthesis of bis(amine anhydride)s for novel high Tgs and organosoluble poly(amine imide) s by palladium-catalyzed amination of 4-chlorophthalide anhydride 显示文摘Li W M Li S H Zhang Q Y 2007Macromolecules2007,40,:10
5Structural basis of AMPK regulation by adenine nucleotides and glycogen显示文摘激活安培的蛋白质 kinase (AMPK ) 为糖尿病,肥胖,和癌症的治疗是一个中央细胞的精力传感器和精力动态平衡,和一个有希望的药目标的管理者。这里我们人的 α 的现在的低分辨率的水晶结构; 1 β 2 γ 1 holo-AMPK 建筑群跳了到它的 allosteric 调节的人安培和肝糖模仿 cyclodextrin,两个在 phosphorylated (4.05 Å) 并且 non-phosphorylated (4.60 Å) 状态。另外,我们解决了 2.95 Å人的 kinase 领域(KD ) 的结构跳了到邻近的 autoinhibitory 领域(帮助) 并且表现了广泛生物化学并且 mutational 研究。一起,这些研究由安培和肝糖说明 allosteric AMPK 调整的内在的机制,其绑定改变在交替的帮助(安培) 和糖类绑定模块(肝糖) 之间的 equilibria 相互作用。Xiaodan Li Lili Wang X Edward Zhou Jiyuan Ke Parker W de Waal Xin Gu M H Eileen Tan Dongye Wang Donghai Wu H Eric Xu Karsten Melcher 2015Cell Research2015,25,1:8
6Destabilization of strigolactone receptor DWARF14 by binding of ligand and E3-1igase signaling effector DWARF3显示文摘Li-Hua Zhao X Edward Zhou Wei Yi Zhongshan Wu Yue Liu Yanyong Kang Li Hou Parker W de Waal Suling Li Yi Jiang Adrian Scaffidi Gavin R Flematti Steven M Smith Vinh Q Lam Patrick R Griffin YonghongWang Jiayang Li Karsten Melcher H Eric Xu 2015Cell Research2015,25,11:7
7High-dose methylprednisolone can induce remissions in patients with fludarabine- refractory chronic lymphocytic leukaemia显示文摘Xu, W Miao, KR Hong, M Zhu, DX Fang, C Dong, HJ Wang, DM Cao, X Li, JY 2010南京医科大学学报(自然科学版)2010,30,11:5
8Sol-gel derived HA/TiO_2 double coatings on Ti scaffolds for orthopaedic applications显示文摘Hydroxyapatite/titania (HA/TiO2) double layers were coated onto Ti scaffolds throughout for orthopaedic applications by sol-gel method. Differential scanning calorimetry (DSC), thermogravimetric analysis (TG) and X-ray diffractometry (XRD) were used for the characterisation of the phase transformations of the dried gels and coated surface structures. Scanning electron microscope (SEM) equipped with energy dispersive spectrometry (EDS) was used for the observation and evaluation of the morphology and phases of the surface layers and for the assessment of the in vitro tests. The in vitro assessments were performed by soaking the HA/TiO2 double coated samples into the simulated body fluid (SBF) for various periods. The TiO2 dipping-coating method at a speed of 12 cm/min, followed by a heat treatment at 600 ℃ for 20 min. The HA la lyaeyre wr wasa ssu cbosaetqeude bnytl ya dipping-coated on the outer surface at the same speed and then heat-treated at difference temperatures. The results indicat that the HA phase begins to crystallize after a heat treatment at 560 ℃. The crystallinity increases obviously at 760 ℃. SEM observations find no delamination or crack at the interfaces of HA/TiO2 and TiO2/Ti. The HA/TiO2 coated Ti scaffolds displays excellent bone-like apatite forming ability when it is soaked into SBF. Ti scaffolds after HA/TiO2 double coatings can be anticipated as promising implant materials for orthopaedicXU W HU W Y LI M H MA Q Q P. D. HODGSON WEN C E 2006中国有色金属学会会刊:英文版2006,16,B01:5
9Establishment and Applications of Epstein-Barr Virus-based Episomal Vectors in Human Embryonic Stem Cells显示文摘Ren C Zhao M Yang X Li D Jiang X Wang L Shan W Yang H Zhou L Zhou W Zhang H 2006中国生物学文摘2006,20,7:4
10Dysfunctional stem and progenitor cells impair fracture healing with age显示文摘Successful fracture healing requires the simultaneous regeneration of both the bone and vasculature;mesenchymal stem cells (MSCs) are directed to replace the bone tissue, while endothelial progenitor cells (EPCs) form the new vasculature that supplies blood to the fracture site. In the elderly, the healing process is slowed, partly due to decreased regenerative function of these stem and progenitor cells. MSCs from older individuals are impaired with regard to cell number, proliferative capacity, ability to migrate, and osteochondrogenic differentiation potential. The proliferation, migration and function of EPCs are also compromised with advanced age. Although the reasons for cellular dysfunction with age are complex and multidimensional, reduced expression of growth factors, accumulation of oxidative damage from reactive oxygen species, and altered signaling of the Sirtuin-1 pathway are contributing factors to aging at the cellular level of both MSCs and EPCs. Because of these geriatric-specific issues, effective treatment for fracture repair may require new therapeutic techniques to restore cellular function. Some suggested directions for potential treatments include cellular therapies, pharmacological agents, treatments targeting age-related molecular mechanisms, and physical therapeutics. Advanced age is the primary risk factor for a fracture, due to the low bone mass and inferior bone quality associated with aging;a better understanding of the dysfunctional behavior of the aging cell will provide a foundation for new treatments to decrease healing time and reduce the development of complications during the extended recovery from fracture healing in the elderly.Diane R Wagner Sonali Karnik Zachary J Gunderson Jeffery J Nielsen Alanna Fennimore Hunter J Promer Jonathan W Lowery M Terry Loghmani Philip S Low Todd O McKinley Melissa A Kacena Matthias Clauss Jiliang Li 2019World Journal of Stem Cells2019,11,6:3
11The structural basis of the dominant negative phenotype of the Gαi1β1Y2 G203A/A326S heterotrimer显示文摘Ping LIU Ming-zhu JIA X Edward ZHOU Parker W DE WAAL Bradley M DICKSON Bo LlU Li HOU Yan-ting YIN Ya n-yong KANG Yi SHI Karsten MELCHER H Eric XU Yi JIANG 2016Acta Pharmacologica Sinica2016,37,9:3
12All-optical clock recovery for both RZ and NRZ data显示文摘Mao W Li Y Al-Mumin M 2002IEEE Photonics Technology Letters2002,14,6:2
13Customized dynamic load balancing for a NOW显示文摘Zaki M J Li W parthasarathy S 1997Journal of Parallel and Distributed Computing1997,43,2:2
14A novel Ru-B/SiO_2 amorphous catalyst used in benzene-selective hydrogenation显示文摘Xie S H Qiao M H Li H X Wang W J Deng J-F 0,,:2
15MProbe: computer aimed probe design for oligonucleotide microarray 显示文摘Li W J Huang J Fan M 2002Bioinformatics2002,1,3:2
16帕立骨化醇下调心肌肾素血管紧张素和成纤维细胞生长因子的表达,改善尿毒症大鼠的心肌肥厚显示文摘维生素D可能通过抑制心肌肾素血管紧张素系统(renin—angiotensinsystem,RAS)和成纤维细胞生长因子 (fibroblast growth factors, FGFs)改善尿毒症所致的心肌肥厚。在实验性大鼠尿毒症模型中,研究者比较利用维生素D类似物帕立骨化醇和血管紧张素转换酶抑制剂依那普利抑制RAS和FGF受体基因表达和心肌肥厚改善之间的关系。Freundlich M Li YC Quiroz Y Bravo Y Seeherunvong W Faul C Weisinger JR Rodriguez-Iturbe B 罗冬梅 2014中华高血压杂志2014,22,9:2
17QUANTUM MECHANICAL MODEL AND SIMULATION OF GaAs/AlGaAs QUANTUM WELL INFRARED PHOTO-DETECTOR-ⅠOPTICAL ASPECTS显示文摘A complete quantum mechanical model for GaAs?AlGaAs quantum well infrared photodetectors(QWIPs) is presented here. The model consisted of four parts: (1) Starting with the description of the electromagnetic field of the infrared radiation in the QWIP, effective component of the vector potential <| A z |> along the QWIP growth direction ( z axis) due to the optical diffraction grating was calculated. (2) From the wave transmissions and the occupations of the electronic states, it was discussed that the dark current in the QWIP is determined by the drift diffusion current of carriers thermally excited from the ground sublevel in the quantum well to extended states above the barrier. (3) The photocurrent was investigated by the optical transition (absorption coefficient between the ground state to excited states due to the nonzero <| A z |> ). (4) By studying the inter diffusion of the Al atoms across the GaAs?AlGaAs heterointerfaces,the mobility of the drift diffusion carriers in the excited states was calculated, so the measurement results of the dark current and photocurrent spectra can be explained theoretically. With the complete quantum mechanical descriptions of (1 4), QWIP device design and optimization are possible.Fu Y Willander M Li Ning Lu W 2002红外与毫米波学报2002,21,5:2
18An evolutionary perspective on synonymous codon usage in unicellular organisms 显示文摘Sharp P M Li W H 1986Journal of Molecular Evolution1986,24,12:1
19Isolation and Identification of apoptosis inducing nucleosides from CD57^+ HLA-DRbright natural suppressor cell line显示文摘Mori T Guo M W Li X 1998Biochem Biophys Res Commun1998,251,2:1
20Activation of caspase-3 in Molt4 cell by apoptosis inducing nucleosides from CD57^+ HLA-DR- bright natural suppressor cell line 显示文摘Li X Guo M W Mori E 2000Biochem Biophys Res Commun2000,268,2:1
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