Results 31 to 40 of about 28,610 (121)
Measuring Governance or Wealth? Construct Validation of AI Readiness Indices
Policy &Internet, Volume 18, Issue 3, September 2026.ABSTRACT Many are the promises of artificial intelligence and the indices claiming to measure government readiness for it. This study provides the first construct validity investigation of the Oxford Insights Government AI Readiness Index, the Tortoise Global AI Index, and the IMF AI Preparedness Index, using a nine‐test battery and drawing on ...
Anis Ben Brik
wiley +1 more source
嘌呤核苷酸补偿对海洛因依赖大鼠脑组织中TPH和GTPCH基因表达的影响
Zhongguo shiyan zhenduanxue, 2010 目的研究嘌呤核苷酸补偿对海洛因依赖大鼠脑组织中色氨酸羟化酶（tryptophan hydroxylase,TPH）、GTP环水化酶1（GTP cyclohydrolase1,GTPCH）基因表达的影响。方法剂量递增腹腔注射海洛因,建立海洛因依赖大鼠模型,50只正常雄性Wistar大鼠随机分为对照组（C）、海洛因组（H）、海洛因补偿AMP+GMP组（HAG）、海洛因补偿AMP组（HA）、海洛因补偿GMP组（HG）,每组10只。Real-timePCR法测定各组大鼠脑组织中TPH和GTPCH1基因的表达 ...
李鸿梅 +4 more
doaj
佳木斯地区原发性高血压合并高尿酸血症与MTHFR基因多态性的相关性研究
Zhongguo shiyan zhenduanxue, 2020 目的探讨MTHFR基因的基因多态性与原发性高血压合并高尿酸血症易感性之间的关系。方法选取符合要求的392例患者作为研究对象,其中对照组(n=102)、原发性高血压组(n=109)、高尿酸血症组(n=86)和原发性高血压合并高尿酸血症(n=95)。用DNA提取试剂盒提取入组人群的DNA,再通过聚合酶链反应-高分辨率溶解曲线(PCR-HRM)的方法进行基因分型,记录结果并分析原发性高血压合并高尿酸血症与MTHFR C677T基因多态性的相关性。结果在各实验组中,MHTFR C677T基因的CT ...
隋小芳 +8 more
doaj
World Medical &Health Policy, Volume 18, Issue 3, September 2026.ABSTRACT The integration of artificial intelligence (AI) in healthcare is rapidly evolving, offering immense potential to transform service delivery, diagnostics, and health systems governance. However, Sub‐Saharan Africa faces significant readiness challenges due to limited infrastructure, capacity gaps, and fragmented digital strategies.
Said Baadel +3 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2010 目的探讨大肠肿瘤p53和ki-ras基因协同突变的临床意义。方法采用免疫组化和PCR-SSCP方法,检测58例大肠肿瘤患者的良性病变、良性病变转为恶变、原发腺癌组织的p53基因、ki-ras基因的表达和突变情况。结果良性病变组与恶变组间的p53基因和Ki-ras基因的表达有显著差异,良性病变组与原发腺癌组的Ki-ras基因表达差异显著;良性病变组的p53基因与Ki-ras基因的表达呈负相关,而恶变组和原发腺癌组呈正相关。p53基因和ki-ras基因两种基因突变率无显著差异,而协同突变与淋巴结转移密切相关,
侯睿哲 +3 more
doaj
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Fast‐charging capability is one of the crucial factors determining the application prospects of sodium‐ion batteries (SIBs). Nevertheless, the mismatched sodium storage kinetics and Coulombic efficiency (CE) in hard carbon anodes are bottlenecks in the implementation of fast‐charging SIBs. Herein, we propose a facile pre‐carbonization strategy
Qixin Liu +8 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2012 目的探讨基因T-钙黏蛋白（CDH13）在40例癌组织,40例的癌旁组织标本和非肺癌良性肺切除组织标本15例作为对照的表达的临床意义,进一步研究其基因异常甲基化与肺癌的相关性。方法采用特异性甲基化PCR（MSP）检测该基因在肺癌组织中异常甲基化的水平。结果 1.在肺癌组织中CDH13基因甲基化率明显高于癌旁组织和非肺癌良性肺切除组织,甲基化率分别为32.5%、7.5%、6.7%,有统计学意义 ...
隋小芳, 王凤玲, 黄佳滨
doaj
Flexible, Robust Transparent Conductive Films With Excellent Electromagnetic Shielding Properties
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Transparent conductive films (TCFs) are indispensable components for next‐generation wearable electronics, intelligent robots, and electromagnetic interference (EMI) shielding devices. However, the fabrication of conventional random metallic mesh suffers from an inherent trade‐off between “randomness and controllability”.
Shanghao Lu +5 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2014 目的探讨白细胞介素-17F基因多态性与儿童支气管哮喘的相关性,为支气管哮喘的易感基因筛选提供可能的理论依据。方法取本院门诊随诊的60例哮喘患儿设为哮喘组,60例健康儿童设为对照组,两组儿童均于清晨空腹留取外周静脉血2ml,提取全基因组DNA,应用聚合酶链反应及克隆、基因测序方法分析IL-17F基因序列rs763780（H161R）基因多态性。结果 IL-17F基因序列rs763780（H161R）基因型在两组内均未检测到突变型CC,rs763780（H161R）基因型（TC/TT ...
赵宏霞, 刘瑜, 庄哈娜
doaj
Metal‐Based Materials for Redox Modulation in Biomedicine
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT Metal materials have become increasingly important in modulating biological redox networks for therapeutic and diagnostic purposes, owing to their distinctive electronic properties and adaptable reactivity. This review synthesizes recent developments across various metal‐based materials, including elemental metals, metal oxides, coordination ...
Yan Fan +7 more
wiley +1 more source