维普中文期刊产品整合服务
418篇 您的检索式:作者名="SAMANI"
    题名 作者 年代 出处 被引量
1The Role of the IGF System in Cancer Growth and Metastasis: Overview and Recent Insights显示文摘Amir Abbas Samani Shoshana Yakar Derek LeRoith Pnina Brodt 2007Endocrine Reviews2007,,1:6
2二甲双胍与吡格列酮两种2型糖尿病药物在亲水作用色谱上的保留机理研究(英文)显示文摘二甲双胍和吡格列酮是治疗2型糖尿病的常见药物,经常用于同一复方制剂。制药和临床领域常要求同时测定这两种药物。亲水作用色谱近来在医药分析领域展现出良好的前景。本文通过研究流动相的有机溶剂含量、pH值和缓冲盐浓度等参数对色谱保留的影响,从而尝试揭示两种药物在亲水性硅胶柱上的分离机理。流动相中甲醇的增加会导致二甲双胍的保留因子的增加。流动相pH值比较低时,二甲双胍的保留因子会随着pH值升高而增加,而当pH值>6.09,其反而会随着pH值的升高而下降。吡格列酮的保留因子几乎不受甲醇比例和pH值的影响。缓冲盐浓度对两种药物的保留因子几乎都没有影响。因此,对于二甲双胍,亲水作用是主要的保留机理,静电作用和氢键也起到了重要作用。对于吡格列酮,亲水作用是支配性的。经过优化的亲水作用色谱方法可成功地应用到分离测定两种药物在2型糖尿病复方药物中的含量。鲁肖飞 Caroline Martin 戚忠林 Pari Samani Zemen Berhe Dominic B Siaw Shyam K Pahari 左跃钢 2019分析科学学报2019,35,6:4
3Removing ammonia from air with a constant pH, slightly acidic water spray wet scrubber using recycled scrubbing solution显示文摘Ahmad Kalbasi Ashtari Amir M. Samani Majd Gerald L. Riskowski Saqib Mukhtar Lingying Zhao 2016Frontiers of Environmental Science & Engineering2016,10,6:4
4Effect of land-use changes on chemical and physical properties of soil in western Iran(Zagros oak forests)显示文摘The consequence of land-use change from forest to agriculture and other uses has become one of the world’s greatest concerns.The soil,one of the most important components of forests and containing all the required plant nutrients as soluble ions,is highly impacted by these changes.Because vast areas of the Zagros forests in western Iran have changed in use during the last few decades,the present study investigated the effects of landuse changes of forest area to agriculture,orchard,and agroforestry on soil chemical and physical properties.Soil was sampled at four land-use areas:less-disturbed forest areas(control)and agricultural,orchard,and agroforestry areas.Among each of the two forest-use areas(agroforestry and orchard),we selected five trees with similar-sized crowns and sampled under each tree crown at 0-15 and>15-30 cm depths.Five soil samples also were taken in agriculture area at each depth.The findings indicated that during land-use changes,soil sand particles decreased,and clay and silt particles of soil increased,resulting in a fine soil texture.Moreover,the amount of nitrogen(N),phosphorus(P),organic carbon(OC),and electrical conductivity(EC)of soil decreased at both depths due to the decrease in organic matter.Soil pH and magnesium(Mg)level rose during land-use change at both depths except at agricultural sites.Soil potassium(K)content decreased during agricultural use due to the elimination of tree cover.The level of K decreased only at the depth of 0-15 cm because of K dependency on parent materials.Generally,most soil nutrients were affected by plant removal in the conversion.Forest and agricultural soil are distinguishable by their properties,while land-uses such as agroforestry-orchard separated from the others.Soil nutrients were severely affected by the decrease and elimination of tree cover,plowing,and continuous harvesting,resulting in a decline in soil quality and fertility.Kyumars Mohmmadi Samani Narges Pordel Vahid Hosseini Zahed Shakeri 2020Journal of Forestry Research2020,31,2:3
5Prevalence of diabetic retinopathy in Iran: a systematic review and Meta-analysis显示文摘AIM:To estimate the overall prevalence of diabetic retinopathy(DR) in Iran by a systematic review and Metaanalysis.METHODS:We conducted a search of all published literature on diabetic patients for the prevalence of DR using Web of Sciences, Pub Med, Scopus, Google Scholar, and national electronic databases SID, Magiran, and Iranmedex from their inception until September 2016 with standard keywords. Pooled estimates of the DR prevalence and the corresponding 95% confidence intervals(CI) were calculated using random effects models.RESULTS:Thirty-one studies involving 23 729 patients with type Ⅰ and Ⅱ diabetes were included. The publication bias assumption for prevalence of DR was rejected by Begg and Egger tests(P=0.825, P=0.057, respectively). The results of Cochran test and I^2 statistics showed considerable heterogeneity for prevalence of DR(Q=1278.21, d.f.=30, P<0.001 and I^2=97.7%). The prevalence of DR, non-proliferative diabetic retinopathy(NPDR) and proliferative diabetic retinopathy(PDR) in Iranian diabetic patients were 41.9%(95% CI:35.6-48.2), 32.2%(95% CI:28.7-35.8), and 13.2%(95% CI:8.3-18.1), respectively. CONCLUSION:The prevalence of DR in Iran appears a little high. NPDR was more common. This study highlights the necessity for DR screening and management in diabetic patients in Iran.Saman Maroufizadeh Amir Almasi-Hashiani Mostafa Hosseini Mahdi Sepidarkish Reza Omani Samani 2017International Journal of Ophthalmology(English edition)2017,10,5:3
6Clear-water scour around semi-elliptical abutments with armored beds显示文摘Experimental study has been carried out under a clear-water scour condition to explore the local scour around semi-elliptical model bridge abutments with armor-layer bed, compared with the local scour process around semi-circular abutment. Two types of model bridge abutments, namely semi- elliptical and semi-circular abutments have been used in this experimental study. The model abutments had a ratio of streamwise length of abutment to the length of abutment transverse to the flow of 2 for semi-circular abutments and 3 for semi-elliptical abutments. In total, 50 Experiments have been designed and conducted under different flow conditions such as bed shear velocities, flow depth, and dimensions of bridge abutment model, as well as grain size of the bed material. Based on these experiments, the scour process around bridge abutments has been assessed. The dependence of the equilibrium scour depth of the scour hole on hydraulic variables has been studied. Empirical equation describing the equilibrium scour depth of the scour hole around bridge abutments has been developed.Jueyi SUI Hossein AFZALIMEHR Abdolreza Kabiri SAMANI Mehmoosh MAHERANI 2010International Journal of Sediment Research2010,25,3:2
7胆固醇酯转移蛋白基因的蛋白质截断型变异体与冠状动脉性心脏病风险的关系显示文摘随机对照试验结果表明,抑制胆固醇酯转运蛋白(cholesteryl ester transfer protein,CETP)的疗法并不能降低冠状动脉性心脏病(coronary heart disease,CHD)的发生风险。研究失败的可能原因包括靶目标无效、靶目标外小分子的不良反应和随机对照设计因素影响等。在编码药物靶点的基因中具有天然存在的遗传变异,以此为基础,人类研究可以深入了解针对基因产物的治疗的潜在功效和安全性。Nomura A Won HH Khera AV Takeuchi F Ito K McCarthy S Emdin CA Klarin D Natarajan P Zekavat SM Gupta N Peloso GM Borecki IB Teslovich TM Asselta R Duga S Merlini PA Correa A Kessler T Wilson JG Bown MJ Hall AS Braund PS Carey DJ Murray MF Kirchner HL Leader JB Lavage DR Manus JN Hartze DN Samani NJ Schunkert H Marrugat J Elosua R McPherson R Farrall M Watkins H Juang JJ Hsiung CA Lin SY Wang JS Tada H Kawashiri MA Inazu A Yamagishi M Katsuya T Nakashima E Nakatochi M Yamamoto K Yokota M Momozawa Y Rotter JI Lander ES Rader DJ Danesh J Ardissino D Gabriel S Willer CJ Abecasis GR Saleheen D Kubo M Kato N Ida Chen YD Dewey FE Kathiresan S 刘莉 叶鹏 2017中华高血压杂志2017,25,9:2
8A meta-analysis of the association of the deletion allele of the angiotensinconverting enzyme gene with myocardial infarction显示文摘Samani NJ Thompson JR O'Toole L 1996Circulation1996,94,:1
9西苏格兰冠心病一级预防研究中端粒长度、冠心病风险和他汀类药物治疗:一项巢式病例对照研究显示文摘背景:生物学衰老的个体差异可影响对冠心病的易感性。本研究旨在明确平均白细胞端粒长度是否为冠心病的预测因素。方法:比较西苏格兰冠心病一级预防研究(WOSCOPS)中纳入的484例后来发生冠心病事件的个体和1058例与之匹配的无冠心病事件个体的端粒长度。并探讨WOSCOPS研究中端粒长度与观察到的他汀类药物治疗临床益处是否存在联系。结果:对照组中,年龄每增长10岁平均端粒长度随之减少9%(95%CI3.6%~14.1%,P:0.001);在病例组中,有大致相同的趋势(每10岁-5.9%,95%CI-3.1%~14.4%,P=0.1902)。Brouilette S.W. Moore J.S. McMahon A.D. N.J. Samani 奚群英 2007世界核心医学期刊文摘(心脏病学分册)2007,3,7:1
10Visualization and quantification of breast cancer biomechanical properties with magnetic resonance elastography显示文摘Plewes DB Bishop J Samani A 2000Phys Med Biol2000,45,:1
11Reference crop evapotranspiration from temperature 显示文摘Hargreaves G H Samani Z A 1985Applied Engineering in Agriculture1985,1,1:1
12Soleimani F Endom etrial and follicular development foUowing letrozoleintervention in unexplained infertile patients failed to get pregnant with clomiphene citrate显示文摘Samani F G Farzadi L Nezami N 2009Arch Gynecol Obstet2009,280,2:1
13Analysis of spring hydrographs for hydrogeological evaluation of a karst aquifer system显示文摘Samani N Ebrahimi B 1996Theoretical Appl Karstol1996,9,:1
14Angiotensinogen g-ene promoter region variant modifies body size-ambulatory blood pressure relations in hypertension显示文摘TIAGO A D SAMANI N J CANDY G P 2002Circulation2002,106,12:1
15Telomere length is shorter in healthy offspring of subjects with coronary artery disease: support for the telomere hypothesis显示文摘Brouilette SW Whittaker A Stevens SE van der Harst P Good- all AH Samani NJ 2008Heart2008,94,4:1
16The role of the IGF system in cancer growth and metastasis:overview and recent insights显示文摘Samani AA Yakar S LeRoith D 2007Endocr Rev2007,28,1:1
17Novel platelet membrane glycoprotein Ⅵ dimorphism is a risk factor for myocardial infarction显示文摘Croft SA Samani NJ Teare MD 2001circulation2001,,13:1
18The role of the IGF systemin cancer growth and metastasis:overview and recent insights显示文摘Samani AA Yakar S LeRoith D 2007Endocr Rev2007,28,1:1
19Dynamic optimization of spur gears 显示文摘FAGGIONI M SAMANI F BERTACCHI G 2011Mechanism and Machine Theory2011,46,:1
20Association anal- ysis of beta2 adrenoceptor polymorphisms with hyperten- sion in a Black African population显示文摘andy G Samani N Norton G etal 2000J Hypertens2000,18,2:1
返回顶部 每页显示:
共21页 首页 上一页 第1页 下一页 末页 /21 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费