Results 81 to 90 of about 31,411 (255)
Zhongguo shiyan zhenduanxue, 2012 目的采用高分辨熔解曲线（high-resolution melting,HRM）方法检测7个2型糖尿病（T2DM）患者相关易感单核苷酸多态性,并分析该多态性与2型糖尿病的相关性。方法选取202名T2DM患者和200名健康志愿者,提取外周血DNA,采用HRM技术分析其多态性,并用测序法证实。结果成功地检测T2DM患者相关易感单核苷酸多态性。HRM技术检测能准确区分各种基因型,其结果与测序法一致;研究还显示rs10811661和rs10923931位点在本研究人群中与T2DM无相关 ...
左玲, 左磊
doaj
Development of a novel fast immunoassay for HBV genotyping and study on the clinical significance of the quantitative hepatitis B core antibody level [PDF]
, 2015 乙型肝炎病毒（HepatitisBvirus,HBV）感染是一个严重的，世界范围内的公共卫生问题，可以导致肝炎，肝硬化（LC）和肝细胞癌（HCC），每年可以引起100万以上的人死亡。在HBV感染的临床诊断中，不同的HBV相关标志物指示了病毒产生，病毒多态性以及宿主免疫反应三个方面，从而全面了解HBV感染者的疾病状态，预测自然转归和治疗应答，监测疾病进展和治疗效果，对HBV感染者的管理和治疗起到关键的指导作用。目前在指示病毒产生的标志物方面，HBsAg，HBVDNA和HBeAg的检测手段相对成熟 ...
宋浏伟
core
Emerging applications of large language models in ecology and conservation science
Conservation Biology, EarlyView.Abstract Large language models (LLMs) mark a major development in artificial intelligence, with potentially transformative implications for ecology and conservation science. Built on advanced deep‐learning architectures, these models can support a wide range of tasks. We reviewed emerging applications of LLMs, drawing on the wider scientific literature
Christos Mammides +5 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2010 目的探讨整合素-α2（ITGA2）基因C807T和整合素-β3（ITGB3）基因T176C多态性与缺血性脑卒中的关系及其对血脂、脂蛋白水平的影响。方法应用聚合酶链反应-限制性片段长度多态性（PCR-RFLP）和DNA测序的方法检测265例缺血性脑卒中患者和280例对照组ITGA2和ITGB3的基因型;同时按常规方法测定血浆脂质、脂蛋白水平。结果缺血性脑卒中组总胆固醇（TC）、甘油三酯（TG）、低密度脂蛋白-胆固醇（LDL-C）水平明显高于对照组（P0.05 ...
龙显科 +3 more
doaj
Molecular Cytogenetic Studies on Haliotis diversicolor diversicolor, H. discus hannai and the interspecific hybrid [PDF]
, 2016 近年来鲍类养殖存活率急剧下降，种质退化和大规模疾病的发生成为重要原因。为此，开展基础研究迫在眉睫，对遗传背景的研究已成为解决实践问题的前提。本研究以杂色鲍(Haliotisdiversicolordiversicolor)与皱纹盘鲍(H.discushannai)及其杂交子代为实验材料，应用荧光原位杂交（Fluorescenceinsituhybridization，FISH）技术和基因组原位杂交（Genomeinsituhybridization，GISH）技术对它们的染色体进行研究 ...
刘圆圆
core
Insights for conservation from the Ecological Knowledge Games project
Conservation Biology, EarlyView.Abstract Environmental conservation research requires robust methods for collecting large‐scale behavioral data and engaging diverse stakeholders in decision‐making processes. We (Y.P., A.B.D., and N.B.) created EcoKnowGames (Ecological Knowledge Games), a transdisciplinary project that develops knowledge games for conservation science and data ...
Yuan Pan +4 more
wiley +1 more source
载脂蛋白A5基因多态性与冠心病患者血脂及冠脉狭窄程度的相关性
Zhongshan Daxue xuebao. Yixue kexue ban, 2017 【目的】探讨中国汉族人群载脂蛋白A5（APOA5）基因rs2075291和rs3135507多态性位点与冠心病（CHD）患者血脂水平及冠脉狭窄程度的关系。【方法】应用聚合酶链式反应-限制性片段长度多态性法（PCR-RFLP）对324例CHD患者和152例非CHD对照者进行rs2075291和rs3135507多态性分型并比较不同基因型之间血脂水平的差异。采用Gensini评分系统评价CHD患者的冠脉狭窄程度 ...
王艳玫 +4 more
doaj
利用改良Nest-tetra-primerspecificPCR技术对两种石斑鱼的鉴别 [PDF]
, 2009 云纹石斑鱼(EPInEPHEluS MOArA)和褐石斑鱼(E.brunEuS)为石斑鱼属内近缘种,外形相似常被混淆.本研究改良建立了nEST-TETrA-PrIMEr SPECIfIC PCr方法,获得了云纹石斑鱼和褐石斑鱼线粒体dnAnd2基因内的3个特异性条带,分别为内参序列nC1(394bP)、特异性条带nd2-M(268bP)和nd2-b(122bP),以及核基因组中核糖体dnAITS1区的5个特异性条带,分别为内参序列nC2(588bP)、nC3(563bP),特异性条带rdnA-M ...
丁少雄 +4 more
core
Learner‐Focused Strategy Instruction From the Teachers’ and the Learners’ Perspective
International Journal of Applied Linguistics, EarlyView.ABSTRACT Numerous large‐scale quantitative studies have been conducted to yield a macro‐level picture of the effectiveness of strategy instruction. However, little is understood about learners' actual processing of strategy instruction and interaction with the teachers delivering it.
Isobel Kai‐Hui Wang, Andrew D. Cohen
wiley +1 more source
脂联素启动子基因多态性和脂联素水平与高血压及并发症的相关性研究
Zhongguo shiyan zhenduanxue, 2008 目的观察血清脂联素（APN）水平及APN基因启动子区域单核苷酸多态性（SNP）频率与高血压（HP）及其合并症间的相关性,探讨脂联素基因（aPM1）多态性与HP及合并症间的遗传危险因素。并确立一种高效、准确、经济的检测APN基因实用筛查方法,供临床检测应用。方法对单纯HP组（1组）、HP合并T2DM（HP-T2DM）组（2组）、HP合并冠心病（H-CHD）组（3组）、HP合并肾病（HP-NE）组（4组）和对照组（5组）分别测定空腹血清APN及生化指标。采用变性高效液相色谱（DHPLC）技术 ...
贾玫 +5 more
doaj