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718篇 您的检索式:作者名="Damon"
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1Effects of deformation twinning on the mechanical properties of biodegradable Zn-Mg alloys显示文摘To satisfy the property requirements for biodegradable medical implants,Zn alloyed with low levels of Mg(≤0.8 wt%)has attracted increased research interest.In the present study,deformation twinning was observed in tensile tests and twinning appears to have an adverse impact on ductility.The profuse twinning in the as-cast Zn-Mg alloys accelerated crack growth in tension due to twinning impingement which caused local stress concentrations and initiates cracking.As-rolled Zn-Mg alloys have better ductility than their as-cast counterparts due to the inhibition of twinning by the refined Mg2Zn11 intermetallic phase and the finer grain size.Shiyang Liu Damon Kent Nghiem Doan Matthew Dargusch Gui Wang 2019Bioactive Materials2019,4,1:5
2Mutator转座子及MULE在植物基因与基因组进化中的作用(英文)显示文摘Mutator(Mu)转座子是植物中已发现的转座最活跃的转座子,其高的转座频率及趋向于单拷贝功能基因转座的特性,使该转座子成为玉米功能基因克隆的主要方法。Mu转座子的同源类似因子广泛存在于被子植物基因组中,而且同一基因组中往往具有多种变异类型。它不仅具有其他DNA转座子在基因和基因组进化中的普遍作用,而且具有能够承载基因组内功能基因和基因片段的载体功能,这种载体Mu转座子(Pack-MuLEs)能够在基因组内移动众多的基因片段,从而对基因和基因组进化产生作用。Mu转座子的同源序列发生在水稻与狗尾草之间的水平转移提供了高等植物核基因水平转移的首个例证。对Mu转座子的了解促进了我们对动态基因组概念的认识。文章对Mutator转座子的发现、转座特征、基因标签应用等的研究进展进行了综述,对Mu转座子家族的同源序列进行了分类,讨论了该转座子在基因组进化中的作用,分析了应加强研究的问题。刁现民 Damon Lisch 2006Acta Genetica Sinica2006,33,6:4
3Strengthening of cast Ti–25Nb–3Mo–3Zr–2Sn alloy through precipitation of α in two discrete crystallographic orientations显示文摘Mohanchand Paladugu Damon Kent Gui Wang Zhentao Yu Matthew S. Dargusch 2010Materials Science & Engineering A2010,,24:2
4A Solution to the C-Value Paradox and the Function of Junk DNA: The Genome Balance Hypothesis显示文摘Michael Freeling Jie Xu Margaret Woodhouse Damon Lisch 2015Molecular Plant2015,8,6:2
5Procalcitonin as a diagnostic marker for sepsis显示文摘Michael Osthoff Damon P Eisen 2013The Lancet Infectious Diseases2013,,12:2
6Isolated free intra-abdominal fluid on CT in blunt trauma: The continued diagnostic dilemma显示文摘Purpose: The clinical significance of isolated flee fluid (FF) without solid organ injury on computed to- mography (CT) continues to pose significant dilemma in the management of patients with blunt abdominal trauma (BAT). Methods: We reviewed the incidence of FF and the clinical outcome amongst patients with blunt abdominal trauma in a metropolitan trauma service in South Africa. We performed a retrospective study of 121 consecutive CT scans over a period of 12 months to determine the incidence of isolated FF and the clinical outcome of patients managed in a large metropolitan trauma service, Results: Of the 121 CTs, FF was identified in 36 patients (30%). Seven patients (6%) had isolated FF. Of the 29 patients who had free fluid and associated organ injuries, 33 organ injuries were identified. 86% (25/ 29) of all 29 patients had a single organ injury and 14% had multiple organ injuries. There were 26 solid organ injuries and 7 hollow organ injuries. The 33 organs injured were: spleen, 12; liver, 8; kidney, 5; pancreas, 2; small bowel, 4; duodenum, 1. Six (21%) patients required operative management for small bowel perforations in 4 cases and pancreatic tail injury in 2 cases. All 7 patients with isolated FF were initially observed, and 3 (43%) were eventually subjected to operative intervention. They were found to have an intra-peritoneal bladder rupture in 1 case, a non-expanding zone 3 haematoma in I case, and a negative laparotomy in 1 case. Four (5?%) patients were successfully managed without surgical interventions. Conclusions: Isolated FF is uncommon and the clinical significance remains unclear. Provided that reli- able serial physical examination can be performed by experienced surgeons, an initial non-operative approach should be considered.Victor Y. Kong Damon Jeetoo Leah C. Naidoo George V. Oosthuizen Damian L. Clarke 2015Chinese Journal of Traumatology2015,18,6:2
7Manufacturing of graded titanium scaffolds using a novel space holder technique显示文摘To optimize both the mechanical and biological properties of titanium for biomedical implants,a highly flexible powder metallurgy approach is proposed to generate porous scaffolds with graded porosities and pore sizes.Sugar pellets acting as space holders were compacted with titanium powder and then removed by dissolution in water before sintering.The morphology,pore structure,porosity and pore interconnectivity were observed by optical microscopy and SEM.The results show that the porous titanium has porosity levels and pore size gradients consistent with their design with gradual and smooth transitions at the interfaces between regions of differing porosities and/or pore sizes.Meanwhile,the porous titanium has high interconnectivity between pores and highly spherical pore shapes.In this article we show that this powder metallurgy processing technique,employing the novel sugar pellets as space-holders,can generate porous titanium foams with well-controlled graded porosities and pore sizes.This method has excellent potential for producing porous titanium structures for hard tissue engineering applications.Yunhui Chen Damon Kent Michael Bermingham Ali Dehghan-Manshadi Gui Wang Cuie Wen Matthew Dargusch 2017Bioactive Materials2017,2,4:2
8老年人慢性疾病所致贫血的诊断和治疗显示文摘慢性疾病所致的贫血多为缺铁性,往往是慢性或亚急性炎症(包括恶性肿瘤)的结果。而非缺铁性贫血多是重要器官或内分泌腺衰竭所致。这些贫血的病理生理学因素是多方面,但基础改变则是绝对或相对低红细胞生成素血症(hypoerythropoietinemia)。治疗以针对原发病为主,必要时输入浓缩红细胞。一些病人注射重组红细胞生成素有效,不但增进血红蛋白和血细胞比容,而且能提高生活质量。Damon LE 陈渭凌 何东东 1993国外医学(老年医学分册)1993,14,3:2
9Introdueing the Damon system II 显示文摘Damon D 1999Clin Impressions1999,8,2:1
10Sacral nerve stimulation for fecal incontinence improves symptoms, quality of life and patients’ satisfaction: results of a monocentric series of 119 patients显示文摘Henri Damon Xavier Barth Sabine Roman Fran?ois Mion 2013International Journal of Colorectal Disease2013,,2:1
11The Damon low-friction bracket: A biologically compatible straight-wire system显示文摘Damon DH 1998J Clin Orthod1998,32,11:1
12Genetically altered mouse models: the good, the bad, and the ugly显示文摘Thyagarajan T Totey S Damon MJ 2003Crit Rev Oral Biol Med2003,14,3:1
13Delayed engraftment of 4-hydroperoxycyclophosphamide-purged autologous bone marrow after induction treatment containing mitoxantrone for acute myelogenous leukemia显示文摘 RUGO H S RIES C A 1996Bone Marrow Transplant1996,17,1:1
14Part II: Control theory for buffer sizing 显示文摘GAURAV R DON T DAMON W 2005ACM SIGCOMM Computer Communica- tion Review2005,35,3:1
15Severe eczema vaccinatum ina household contact of a smallpox accine 显示文摘Vora S Damon I Fulginiti V 2008Clin Infect Dis2008,46,10:1
16Insulin-like growth factor binding protein-rdated protein 1 (IGFBP-rPI) is a potential tumor suppressor protein for prostate cancer 显示文摘Sprenger C C Damon S E 1999Cancer Res1999,59,10:1
17Introducing the Damon system Ⅱ 显示文摘Damon D 1999Clin Impressions1999,8,2:1
18Effects of ambient pressure on tolerance of mammals to air blast显示文摘Damon EG Gaylord CS Yelverton JT 1968Aerosp Med1968,39,10:1
19Thrombosis associated with L -asparaginase therapy and low fibrinogen levels in adult acute lymphoblastic leukemia显示文摘Beinart G Damon L 2004Am J Hematol2004,77,4:1
20Carbon nanotube field-effect transistors with integrated ohmic contacts and high-K gate dielectrics 显示文摘JAVEY A GUO J DAMON B 2004Nano Letters2004,4,3:1
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