搜索结果: 31-45 共查到“知识库 医学生物化学”相关记录1762条 . 查询时间(2.286 秒)
目的 研究黄皮Clausena lansium种子中的化学成分及其生物活性。方法 采用多种色谱技术如硅胶、Sephadex LH-20凝胶和半制备高效液相色谱法等对黄皮种子中的化合物进行分离纯化，并根据理化常数、核磁和质谱数据进行结构鉴定；以及通过PNPG法和贝曼漏斗法对化合物进行体外降血糖活性和全齿复活线虫致死活性测试。结果 从黄皮种子中共分离到11个化合物，分别鉴定为（4R*，6R*）-6-羟...
广东省异地就医定点医院工作人员对异地就医政策满意度调查
异地就医定点医院 工作人员 异地就医政策 满意度
2020/5/22
探讨广东省异地就医定点医院工作人员对异地就医政策的满意度，从医院工作人员角度了解异地就医政策实施效果。 方法 采用问卷调查方法，于2017年8月在广东省异地就医定点医院中抽取工作人员进行异地就医政策满意度调查，并对数据进行描述性统计分析、χ2检验及二分类logistic回归分析。
基于光学结构识别技术的化学知识库构建
科学文献 光学结构识别 数据挖掘 化学知识库
2018/12/6
目的：构建了一种从科研文献提取关键信息建立化学知识库的流程。方法：使用名称转化技术和光学结构识别软件提取化合物结构，使用文献管理软件EndNote X8获取文献题录信息，使用机器学习工具ChemDataExtractor和人工注释方法提取文献内信息，使用计算模拟平台Pipeline Pilot 7.5获取可预测属性，关联开源数据库ChEMBL获取已知生物活性。
不同软件平台分析肠易激综合征患者肠道菌群结构的比较
肠易激综合征 生物信息分析 高通量测序
2018/12/6
目的：探讨不同软件平台对肠易激综合征（irritable bowel syndrome, IBS）患者肠道菌群结构的分析结果是否存在差异，以及分析结果对疾病鉴别和疗效评价能力的影响。方法：应用Uparse及Mothur软件平台分别对27例粪便菌群16S rRNA高通量测序结果进行分析，比较两种软件平台所得的肠道菌群结构。27例样本中包含健康对照（healthy control， HC组）9例，腹泻...
海坤失眠治疗仪配合心理疏导治疗卒中后失眠疗效观察
卒中后失眠 卒中后抑郁 海坤失眠治疗仪 心理疏导
2018/5/23
观察海坤失眠治疗仪联合心理疏导治疗卒中后失眠的效果。方法 110例纳入患者随机分为两组,常规中西医对症基础治疗,对照组54例采用海坤失眠治疗仪治疗,观察组56例再联合心理疏导干预,每日1次,每周6次,连续治疗2周。结果 观察组总有效54例(96.43%),对照组总有效47例(87.04%)。两组具有显著性差异(P＜0.05)。结论 海坤失眠治疗仪联合心理疏导治疗卒中后失眠效果肯定,提示心理干预有良...
激光照射足三里穴对慢性萎缩性胃炎大鼠胃酸分泌及NO含量的影响
激光穴位照射 慢性萎缩性胃炎 一氧化氮 超微结构
2016/8/15
探讨氦氖激光照射足三里穴对慢性萎缩性胃炎（CAG）大鼠胃液pH值、胃黏膜壁细胞超微结构及血清中一氧化氮（NO）含量的影响。 方法采用随机数字表法将60只健康雄性Wistar大鼠分成正常对照组、模型组、药物组、针刺组及激光穴位组。通过给予水杨酸钠、酒精灌胃并结合禁食禁水、跑步劳累等干预将模型组、药物组、针刺组及激光穴位组大鼠制成CAG动物模型。确认造模成功后，药物组、针刺组及激光穴位组大鼠分别给予药...
子洲县农村居民护理现状调查与分析
农村居民 护理现状 乡镇卫生院
2018/5/31
通过对陕西省子洲县农村居民护理现状的调查,反映我国西部地区农村居民对医疗护理的需求。方法 采用问卷调查法,从居民健康状况、日常护理、护理需求及对乡镇卫生院的评价等方面开展调查。结果 乡镇卫生院的护理人员不足,岗位流动性大,没有健全的护理人员管理办法及考核体制,农村居民缺乏相关护理知识和方法 。结论 加强乡镇卫生院护理人才队伍的建设,满足不同年龄段居民对护理服务的需求,在农村开展护理知识普及是促进农...
Developing Biomarker Arrays Predicting Sleep and Circadian-Coupled Risks to Health
Arrays Predicting Sleep Health
2017/3/10
The impact of advances in sleep and circadian sciences over
the last 20 years on medicine, health, and public safety has
been limited in part by the lack of availability of objective
tools capable ...
Defining the specificity of cotranslationally acting chaperones by systematic analysis of mRNAs associated with ribosome-nascent chain complexes.
cotranslationally acting chaperones systematic analysis mRNAs associated ribosome-nascent chain complexes
2015/12/11
Polypeptides exiting the ribosome must fold and assemble in the crowded environment of the cell. Chaperones and other protein homeostasis factors interact with newly translated polypeptides to facilit...
Caloric Restriction and Formalin-Induced Inflammation:An Experimental Study in Rat Model
Caloric Restriction Inflammation Animal Models Iran
2015/11/9
Background: Acute and chronic inflammations are difficult to control. Using chemical anti-inflammatory medications along with their complications considerably limit their use. According to Traditional...
Effect of Nasal Calcitonin on the Health-Related Quality of Life in Postmenopause Women Affected With Low Bone Density
Osteoporosis Oteoporosis Postmenopausal Quality of Life Calcitonin Bone Density
2015/11/9
Background: Physical activity and mental health could be affected by osteoporosis and various therapeutic options such as calcitonin may influence Quality Of Life (QOL) of these patients with Low Bone...
Efficacy and Safety of Aluminum Chloride in Controlling External Hemorrhage:An Animal Model Study
Hemorrhage Hemostasis Aluminum Chloride Rats
2015/10/22
Background: Despite all the progress in surgical science, bleeding caused by traffic accidents is still one of the challenges surgeons face in saving patients’ lives. Therefore, introducing an effecti...
Effects of betaine on body composition, performance, and homocysteine thiolactone
Hypertrophy Strength Power
2015/7/28
This study investigated the effects of long term betaine supplementation on body composition,
performance, and homocysteine thiolactone (HCTL) in experienced strength trained men.
Chickens First Speciation by “Hopeful Monsters” in Fraternal Supertwins
hopeful monster chickens first speciation evolution gross mutation
2015/7/28
The idea of “hopeful monster” was proposed by Goldschmidt who envisioned that speciation could occur instantaneously via major chromosomal rearrangement in a one-step process; but he could not unravel...
Correlation of Lipid Peroxidation with Glycated Haemoglobin Levels in Diabetes Mellitus
Oxidative stress Glycated haemoglobin Lipid peroxidation Malondialdehyde
2015/7/22
Reactive oxygen species are crucial to normal biological processes; they are potentially dangerous and are commonly referred to as prooxidants. The reactive oxygen intermediates can cause direct cellu...