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Emerging contaminants:A One Health perspective

The Innovation 2024年第4期5卷 140-170,139页

作者： Fang Wang Leilei Xiang Kelvin Sze-Yin leung Martin Elsner ying Zhang Yuming Guo Bo Pan Hongwen Sun Taicheng An Guangguo ying Bryan WBrooks Deyi Hou Damian EHelbling Jianqiang Sun Hao Qiu Timothy MVogel Wei Zhang Yanzheng Gao Myrna JSimpson Yi Luo Scott XChang Guanyong Su Bryan MWong Tzung-May Fu Dong Zhu Karl JJobst Chengjun Ge Frederic Coulon Jean Damascene Harindintwali Xiankui Zeng Haijun Wang Yuhao Fu Zhong Wei Rainer Lohmann Changer Chen Yang Song Concepcion Sanchez-Cid Yu Wang Ali El-Naggar Yiming Yao Yanran Huang Japhet Cheuk-Fung Law Chenggang Gu Huizhong Shen Yanpeng Gao Chao Qin Hao Li Tong Zhang Natàlia Corcoll Min Liu Daniel SAlessi Hui Li Kristian KBrandt Yolanda Pico Cheng Gu Jianhua Guo Jianqiang Su Philippe Corvini Mao Ye Teresa Rocha-Santos Huan He Yi Yang Meiping Tong Weina Zhang Fidèle Suanon Ferdi Brahushi Zhenyu Wang Syed AHashsham Marko Virta Qingbin Yuan Gaofei Jiang Louis A.Tremblay Qingwei Bu Jichun Wu Willie Peijnenburg Edward Topp Xinde Cao Xin Jiang Minghui Zheng Taolin Zhang Yongming Luo Lizhong Zhu Xiangdong Li DamiàBarceló Jianmin Chen Baoshan Xing Wulf Amelung Zongwei Cai Ravi Naidu Qirong Shen Janusz Pawliszyn Yong-guan Zhu Andreas Schaeffer Matthias C.Rillig Fengchang Wu Gang Yu James M.Tiedje State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil ScienceChinese Academy of SciencesNanjing 210008China University of Chinese Academy of Sciences Beijing 100049China Department of Chemistry Hong Kong Baptist UniversityHong KongChina HKBU Institute of Research and Continuing Education Shenzhen Virtual University ParkShenzhenChina Technical University of Munich TUM School of Natural SciencesInstitute of Hydrochemistry85748 GarchingGermany School of Resources&Environment Northeast Agricultural UniversityHarbin 150030China Climate Air Quality Research UnitSchool of Public Health and Preventive MedicineMonash UniversityMelbourneVICAustralia Faculty of Environmental Science&Engineering Kunming University of Science&TechnologyKunming 650500China Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria College of Environmental Science and EngineeringNankai UniversityTianjin 300350China Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control School of Environmental Science and EngineeringInstitute of Environmental Health and Pollution ControlGuangdong University of TechnologyGuangzhou 510006China Ministry of Education Key Laboratory of Environmental Theoretical Chemistry South China Normal UniversityGuangzhouGuangdong 510006China Department of Environmental Science Baylor UniversityWacoTXUSA Center for Reservoir and Aquatic Systems Research(CRASR) Baylor UniversityWacoTXUSA School of Environment Tsinghua UniversityBeijing 100084China School of Civil and Environmental Engineering Cornell UniversityIthacaNY 14853USA Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province Zhejiang University of TechnologyHangzhou 310014China School of Environmental Science and Engineering Shanghai Jiao Tong UniversityShanghai 200240China Laboratoire d’Ecologie Microbienne Universite Claude Bernard Lyon 1UMR CNRS 5557UMR INRAE 1418VetAgro Sup69622 VilleurbanneFrance Department of Pla

Environmental pollution is escalating due to rapid global development that often prioritizes human needs over planetary *** global efforts to mitigate legacy pollutants,the continuous introduction of new substances remains a major threat to both people and the *** response,global initiatives are focusing on risk assessment and regulation of emerging contaminants,as demonstrated by the ongoing efforts to establish the UN’s Intergovernmental Science-Policy Panel on Chemicals,Waste,and Pollution *** review identifies the sources and impacts of emerging contaminants on planetary health,emphasizing the importance of adopting a One Health *** for monitoring and addressing these pollutants are discussed,underscoring the need for robust and socially equitable environmental policies at both regional and international *** actions are needed to transition toward sustainable pollution management practices to safeguard our planet for future generations.

关键词： pollution planet contaminants

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基于SCF/C-kit信号通路探讨益髓破血方改善脑出血小鼠肠动力“通腑”作用机制

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吉林中医药 2024年第9期44卷 1075-1079页

作者：廖颖李萍长春中医药大学长春130117

目的观察益髓破血方对脑出血小鼠排便情况与结肠组织干细胞因子(stem cell factor,SCF)/酪氨酸激酶受体(kit proto-oncogene,C-kit)信号通路的影响,探讨益髓破血方调节脑出血小鼠肠动力通腑作用机制。方法将54只SPF级健康雄性C57BL/6J... 详细信息

目的观察益髓破血方对脑出血小鼠排便情况与结肠组织干细胞因子(stem cell factor,SCF)/酪氨酸激酶受体(kit proto-oncogene,C-kit)信号通路的影响,探讨益髓破血方调节脑出血小鼠肠动力通腑作用机制。方法将54只SPF级健康雄性C57BL/6J小鼠随机均分为假手术组、模型组与方剂治疗组,采用鼠尾自体血注入法制作实验性脑出血模型,假手术组只进针不注射。方剂治疗组给予1 g/mL益髓破血方悬浊液灌胃,假手术组、模型组给予等体积生理盐水灌胃,每天1次。观察各组小鼠排便情况,记录第1天、第3天、第7天同时段6 h内的排便量以及末次灌胃后首次排便间隔时间,并于相同时间分段点处死小鼠取材,采用免疫组化和Western Blot法检测小鼠结肠组织中的SCF、C-kit蛋白。结果与假手术组比较,模型组小鼠第1天、第3天、第7天各6 h内排便量显著减少(Pkit蛋白表达显著减少(Pkit蛋白表达水平升高(Pkit信号通路有关。

关键词：脑出血益髓破血方 SCF/C-kit信号通路肠动力通腑

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Efficacy of vasopressin, steroid, and epinephrine protocol for in-hospital cardiac arrest resuscitation: a systematic review and meta-analysis of randomized controlled trials with trial sequential analysis

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Journal of Geriatric Cardiology 2022年第9期19卷 705-711页

作者： Danish Iltaf Satti Yan Hiu Athena Lee Keith Sai kit leung Jeremy Man Ho Hui Thompson Ka Ming Kot Arslan Babar Gauranga Mahalwar Abraham KC Wai Tong Liu Leonardo Roever Gary Tse Jeffrey Shi Kai Chan International Health Informatics Study(IHIS)Network Cardiovascular Analytics Group Hong KongChina-UK Collaboration Emergency Medicine Unit Li Ka Shing Fac-ulty of MedicineThe University of Hong KongHong KongChina Aston Medical School Faculty of Health&Life SciencesAston UniversityBirminghamUnited Kingdom Li Ka Shing Faculty of Medicine The University of Hong KongHong KongChina Department of Anaesthesia and Pain Service Princess Margaret HospitalLai Chi KokKowloonHong KongChina Department of Medicine Cleveland Clinic FoundationClevelandUSA Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease Department of CardiologyTianjin Institute of Cardi-ologySecond Hospital of Tianjin Medical UniversityTianjinChina Department of Clinical Research Federal Uni-versity of UberlândiaUberlândiaBrazil Kent and Medway Medical School CanterburyKentUnited Kingdom 不详

OBJECTIVES To assess the effect of vasopressin,steroid and epinephrine(VSE)combination therapy on return of spontan-eous circulation(ROSC)after in-hospital cardiac arrest(IHCA),and test the conclusiveness of evidence using trial sequential ana-lysis(TSA).METHODS The systematic search included PubMed,EMBASE,Scopus,and Cochrane Central Register of Controlled *** controlled trials(RCTs)that included adult patients with IHCA,with at least one group receiving combined VSE therapy were *** was extracted independently by two *** main outcome of interest was *** out-comes included survival to hospital discharge or survival to 30 and 90 days,with good neurological *** We included a total of three RCTs(n=869).Results showed that VSE combination therapy increased ROSC(risk ra-tio=1.41;95%CI:1.25-1.59)as compared to *** demonstrated that the existing evidence is *** was also validated by the alpha-spending adjusted relative risk(1.32[1.16,1.49],P<0.0001).Other outcomes could not be meta-analysed due to differences in timeframe in the included *** VSE combination therapy administered in cardiopulmonary resuscitation led to improved rates of ***-ture trials of VSE therapy should evaluate survival to hospital discharge,neurological function and long-term survival.

关键词： resuscitation analysis return

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1-磷酸鞘氨醇受体3对脂多糖处理大鼠肾小管上皮细胞凋亡的影响

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现代实用医学 2024年第2期36卷 166-169页

作者：吴晋应静宁波大学附属第一医院宁波315010

目的探讨1-磷酸鞘氨醇受体3(S1PR3)对脂多糖(LPS)处理大鼠肾小管上皮细胞凋亡的影响。方法将培养好的大鼠肾小管细胞(NRK-52E)分为对照组、LPS组、S1PR3激动剂+LPS组。对照组不做处理;LPS组予LPS(20μg/ml)刺激12h后做离心收集待检;S1PR... 详细信息

目的探讨1-磷酸鞘氨醇受体3(S1PR3)对脂多糖(LPS)处理大鼠肾小管上皮细胞凋亡的影响。方法将培养好的大鼠肾小管细胞(NRK-52E)分为对照组、LPS组、S1PR3激动剂+LPS组。对照组不做处理;LPS组予LPS(20μg/ml)刺激12h后做离心收集待检;S1PR3激动剂+LPS组先用S1PR3激动剂KRX-725预处理2 h后再予LPS(20μg/ml)刺激12 h后做离心收集待检。流式细胞术检测各组细胞凋亡率、钙离子表达及caspase-3表达的差异,ELISA试剂盒检测Calpain 1、Calpain 2的表达差异,Western Blot检测各组细胞中S1PR3的表达差异。结果LPS处理后脓毒症NRK-52E细胞模型成功建立,相比于对照组,LPS组和S1PR3激动剂+LPS组的细胞凋亡率、S1PR3表达、钙离子浓度、Calpain 1与Calpain2的表达、caspase-3表达均显著增加(均P<0.05);与LPS组相比,S1PR3激动剂+LPS组的细胞凋亡率、钙离子浓度、Calpain 1与Calpain2的表达、caspase-3表达均显著增加(均P<0.05),S1PR3表达显著增加(P<0.05)。结论S1PR3的激活能够增加肾小管上皮细胞内的钙离子浓度,从而激活caspase-3细胞凋亡信号通路,导致脓毒症肾小管上皮细胞凋亡增加。

关键词：脓毒症 1-磷酸鞘氨醇受体3 肾小管上皮细胞凋亡

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不同实验条件对淋病奈瑟球菌体外转化效率的影响

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中华皮肤科杂志 2024年第3期57卷 240-245页

作者：李晓蝶朱琳洪毅勇黄影赖维龚子鉴中山大学附属第三医院皮肤性病科广州510630

目的探讨不同实验条件对淋病奈瑟球菌(淋球菌)体外转化效率的影响。方法以淋球菌D株DNA为模板扩增penA基因,采用重叠延伸PCR制备penAA501V(耐药突变)基因,购买淋球菌penAH041基因(耐药阳性对照)。制备含penA/penAA501V/penAH041基因的... 详细信息

目的探讨不同实验条件对淋病奈瑟球菌(淋球菌)体外转化效率的影响。方法以淋球菌D株DNA为模板扩增penA基因,采用重叠延伸PCR制备penAA501V(耐药突变)基因,购买淋球菌penAH041基因(耐药阳性对照)。制备含penA/penAA501V/penAH041基因的质粒转化至大肠杆菌DH5α感受态细胞,采用蓝白筛选培养基克隆扩增;分别采用日本TaKaRa公司质粒提取试剂盒和天根生化科技(北京)有限公司高纯度质粒小提试剂盒提取质粒。以penA质粒、penAA501V质粒、penAH041质粒、penAA501V基因、penAH041基因为底物采用直接孵育法转化淋球菌受体菌株A43、A49,测定转化率(CFU/μg)及头孢曲松(CRO)的最小抑菌浓度(MIC)。以penAA501V、penAH041基因为底物,采用脂质体法转化受体菌株A43、A49,观察转化效率及头孢曲松的MIC。结果以D株淋球菌DNA为模板,成功获得1749 bp的penA及penAA501V基因。提取质粒并电泳后,TaKaRa试剂盒提取的含淋球菌penA、penAA501V、penAH041基因的质粒主要集中在2500 bp处,迁移速度较快;天根试剂盒提取的质粒主要集中在5000 bp处,迁移速度较慢。直接孵育法转化时,含野生型penA的A43株的MIC为0.001μg/ml,转入penA质粒后MIC上升至0.002μg/ml,转入penAA501V质粒和penAA501V基因转化株MIC均为0.004μg/ml,转入阳性对照penAH041质粒和penAH041基因后MIC均升至0.512μg/ml;各底物孵育后CRO对A49株的MIC值与空白对照相同,均为0.016μg/ml。脂质体法转化时,含野生型penA的A43株对CRO的MIC是0.002μg/ml,A49株MIC为0.016μg/ml;penAA501V基因转化A43株后MIC升至0.004μg/ml,转化A49株后仍为0.016μg/ml;阳性对照penAH041基因转化A43和A49株后MIC均升至0.250μg/ml,较空白对照分别升高至125倍和15.6倍。结论选择质粒为底物采用直接孵育法对A43株淋球菌有较好转化效率,不同质粒提取方法可能影响转化效率,对于直接孵育法转化效率不高的A49株可采用脂质体法。

关键词：淋病奈瑟球菌转化,细菌质粒头孢曲松抗药性,细菌 penA基因最小抑菌浓度

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基于label-free定量蛋白质组学方法筛选沉默CHAF1B基因后心肌细胞差异表达蛋白及调控网络分析

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首都医科大学学报 2024年第2期45卷 312-321页

作者：康彦红顾爱琴张莹黄帅首都医科大学宣武医院科研处北京100053 首都医科大学附属北京世纪坛医院生物医学创新中心肿瘤治疗性疫苗北京市重点实验室北京100038

目的分析沉默染色质装配因子1亚基B(chromatin assembly factor 1 subunit B,CHAF1B)基因后心肌细胞中差异表达蛋白,预测CHAF1B基因调控网络,为寻找促进心肌细胞修复的潜在治疗靶点提供参考。方法采用转染和蛋白质印迹法筛选沉默CHAF1B... 详细信息

目的分析沉默染色质装配因子1亚基B(chromatin assembly factor 1 subunit B,CHAF1B)基因后心肌细胞中差异表达蛋白,预测CHAF1B基因调控网络,为寻找促进心肌细胞修复的潜在治疗靶点提供参考。方法采用转染和蛋白质印迹法筛选沉默CHAF1B基因的有效小干扰RNA(small interfering RNA,siRNA)。应用有效siRNA沉默人源心肌AC16细胞CHAF1B基因后,采用细胞活力检测方法检测细胞活力;提取总蛋白质进行定量、还原、烷基化和胰蛋白酶裂解成肽段,利用高效液相串联质谱法鉴定肽段;搜索UniProt蛋白库筛选差异表达的蛋白质进行基因本体(Gene Ontology,GO)富集分析、京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)通路富集和蛋白质互作网络(protein-protein interaction networks,PPI)分析。结果siRNA有效沉默CHAF1B基因后,心肌细胞存活明显受到抑制;label-free定量蛋白质组学方法鉴定结果显示,共有69个差异表达蛋白质,其中50个表达显著上调(差异倍数≥2,P<0.05),19个表达显著下调(差异倍数≤0.5,P<0.05)。GO分析显示,差异表达蛋白质主要参与大分子复合亚基体、细胞组分生物合成和组装等生物学过程,分布在细胞质和囊泡等区域,发挥蛋白质结合等分子功能。KEGG通路富集和PPI分析显示,差异表达蛋白质参与的信号通路包括蛋白酶体、氨酰tRNA生物合成、胞吞、嘧啶代谢和氨基酸生物合成等10条信号途径;表达显著上调的蛋白质如蛋白酶体亚单位A2和B7、26 S蛋白酶体调节亚单位6B和10B参与蛋白酶体途径,丝氨酸、甘氨酸、谷氨酰胺和赖氨酸tRNA合成酶介导氨酰tRNA生物合成;表达显著下调的蛋白质包括骨架相关蛋白2/3复合体亚单位3和热休克70蛋白1样参与胞吞作用,核糖核苷-二磷酸还原酶大亚基介导嘧啶代谢等通路。实时荧光定量聚合酶链式反应结果证实,转染CHAF1B siRNA后心肌细胞中合成骨架相关蛋白2/3复合体亚单位3的基因ARPC3和氨酰tRNA生物合成关键基因QARS1的mRNA水平均显著降低。结论CHAF1B为心肌细胞存活的关键蛋白质,参与调控心肌细胞的胞吞和氨基酸生物合成等多种生物学过程,参考其调控网络可帮助寻找促进心肌细胞修复的干预环节。

关键词： label-free定量蛋白质谱染色质装配因子1亚基B 基因敲低

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Leptotrichia hongkongensis ***.,a novel Leptotrichia species with the oral cavity as its natural reservoir

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2010年第6期11卷 391-401页

作者： Patrick C. Y. WOO Samson S. Y. WONG Jade L. L. TENG kit-Wah leung Antonio H. Y. NGAN Dong-qing ZHAO Herman TSE Susanna K. P. LAU Kwok-Yung YUEN State Key Laboratory of Emerging Infectious Diseases The University of Hong Kong Hong Kong China Research Centre of Infection and Immunology The University of Hong Kong Hong Kong China Department of Microbiology The University of Hong Kong Hong Kong China Carol Yu Centre for Infection The University of Hong Kong Hong Kong China

A straight, non-sporulating, Gram-variable bacillus (HKU24T) was recovered from the blood culture of a patient with metastatic breast carcinoma. After repeated subculturing in BACTEC Plus Anaerobic/F blood culture broth, HKU24T grew on brucella agar as non-hemolytic, pinpoint colonies after 96 h of incubation at 37 °C in an anaerobic environment and aerobic environment with 5% CO2. Growth was enhanced with a streak of Staphylococcus aureus. HKU24T was non-motile and catalase-negative, but positive for alkaline phosphatase, β-glucosidase, and α-glucosidase. It hydrolyzed phenylphosphonate and reduced resazurin. 16S rRNA, groEL, gyrB, recA, and rpoB sequencing showed that HKU24T occupies a distinct phylogenetic position among the Leptotrichia species, being most closely related to Leptotrichia trevisanii. Using HKU24T groEL, gyrB, recA, and rpoB gene-specific primers, fragments of these genes were amplified from one of 20 oral specimens. Based on phenotypic and genotypic characteristics, we propose a new species, Leptotrichia hongkongensis sp. nov., to describe this bacterium.

关键词： Leptotrichia hongkongensis Bacterium Blood culture Anaerobic bacteria Novel species

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小檗碱减轻DSS诱导的结肠上皮细胞损伤的研究

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中国临床药理学杂志 2024年第18期40卷 2714-2718页

作者：钱英明徐进陈靓黄李明宁波市中医院肛肠科浙江宁波315010

目的探讨小檗碱保护葡聚糖硫酸钠(DSS)诱导的结肠上皮细胞损伤的作用机制。方法将NCM-460细胞随机分为空白组(常规培养)、模型组(40mg·mL^(-1)DSS)、低剂量组(5μmol·L^(-1)小檗碱)、高剂量组(10μmol·L^(-1)小檗碱)、siRNA组(10μmo... 详细信息

目的探讨小檗碱保护葡聚糖硫酸钠(DSS)诱导的结肠上皮细胞损伤的作用机制。方法将NCM-460细胞随机分为空白组(常规培养)、模型组(40mg·mL^(-1)DSS)、低剂量组(5μmol·L^(-1)小檗碱)、高剂量组(10μmol·L^(-1)小檗碱)、siRNA组(10μmol·L^(-1)小檗碱+转染siRNA质粒)、si-SelS组(10μmol·L^(-1)小檗碱+转染si-SelS质粒)。用蛋白质印迹法检测硒蛋白S(SelS)表达水平,用细胞计数试剂盒-8(CCK-8)实验和5-乙炔基-2′-脱氧尿苷(EdU)实验检测细胞增殖情况,用Milli-cellERS仪检测细胞转移上皮电阻(TEER)水平,用试剂盒法检测超氧化物歧化酶(SOD)水平,用流式细胞术检测细胞凋亡情况。结果空白组、模型组、高剂量组、siRNA组、si-SelS组SelS蛋白相对表达水平分别为1.02±0.13、0.42±0.05、0.90±0.08、0.89±0.10和0.30±0.03,48h细胞光密度值分别为0.85±0.05、0.48±0.04、0.70±0.08、0.68±0.05和0.51±0.05,EdU阳性细胞率分别为(33.78±2.72)%、(11.90±2.00)%、(25.74±1.94)%、(24.29±1.96)%和(15.17±1.16)%,TEER值分别为(100.00±3.64)%、(43.47±4.19)%、(73.28±7.38)%、(76.25±7.68)%和(53.49±4.42)%,SOD活性分别为(13.32±0.73)、(5.33±0.55)、(9.63±1.13)、(9.69±0.88)和(6.40±0.57)U·mL^(-1),细胞凋亡率分别为(3.21±0.02)%、(24.59±2.35)%、(10.90±1.09)%、(11.11±1.24)%和(16.73±1.56)%。模型组的上述指标与空白组比较,高剂量组的上述指标与模型组比较,si-SelS组的上述指标与siRNA组比较,在统计学上差异均有统计学意义(均P<0.05)。结论小檗碱可通过上调SelS抑制氧化应激,改善DSS诱导的结肠上皮细胞屏障损伤。

关键词：小檗碱溃疡性结肠炎结肠上皮细胞硒蛋白S 氧化应激细胞屏障损伤

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复合材料梁修复层脱落的光纤检测技术

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建筑材料学报 2006年第1期9卷 28-31页

作者：江毅许颖 Christopher K.Y.leung 北京理工大学信息学院北京100081 香港科技大学土木工程系

用基于3×3耦合器的光纤Mach-Zehnder干涉仪对复合材料梁修复层的脱落进行检测.实验表明:在复合材料梁处于连续支撑状态时,这一技术能够有效检测出修复层脱落的位置;在复合材料梁处于简单支撑状态且外加力较小时,也可以检测出修复层脱... 详细信息

用基于3×3耦合器的光纤Mach-Zehnder干涉仪对复合材料梁修复层的脱落进行检测.实验表明:在复合材料梁处于连续支撑状态时,这一技术能够有效检测出修复层脱落的位置;在复合材料梁处于简单支撑状态且外加力较小时,也可以检测出修复层脱落的位置.这一技术可用于航空航天领域或其它使用碳纤维进行修复的场所.

关键词：光纤传感器复合材料检测

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Does Minimizing Ventricular Pacing Reduce the Incidence of Atrial Fibrillation ? A Systematic Review and Meta-analysis of Randomized Controlled Trials

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Cardiovascular Innovations and Applications 2020年第3期5卷 1-7页

作者： Ishan Lakhani Mengqi Gong Cheuk Wai Wong George Bazoukis Konstantinos PLetsas Guangping Li Khalid bin Wahleed Yunlong Xia Adrian Baranchuk Gary Tse Keith Sai kit leung Tong Liu Dong Chang Laboratory of Cardiovascular Physiology Li Ka Shing Institute of Health SciencesHong Kong Special Administrative RegionPeople’s Republic of China Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease Department of CardiologyTianjin Institute of CardiologySecond Hospital of Tianjin Medical UniversityTianjin 300211People’s Republic of China Li Ka Shing Faculty of Medicine The University of Hong KongHong KongSpecial Administrative RegionPeople’s Republic of China Second Department of Cardiology Laboratory of Cardiac ElectrophysiologyEvangelismos General Hospital of AthensAthensGreece Department of Cardiology First Affi liated Hospital of Dalian Medical UniversityDalianChina Division of Cardiology Kingston General HospitalQueen’s UniversityKingstonOntarioCanada Xiamen Cardiovascular Hospital Xiamen UniversityXiamenFujianPeople’s Republic of China Aston Medical School Aston UniversityBirminghamUnited Kingdom

Background:Right ventricular pacing disrupts atrioventricular synchrony and increases the risk of atrial fi brillation(AF).However,whether algorithms for minimizing ventricular pacing reduce the incidence of AF remains ***,we conducted a systematic review and meta-analysis to compare the incidence of AF between minimizing ventricular pacing and conventional pacing protocols in patients with pacemakers ***:The PubMed,Embase,and Cochrane Library databases were searched up to August 1,2017,for randomized controlled trials that reported the incidence of AF in patients with and without the use of algorithms for minimizing ventricular ***:Eleven studies comprising 5705 participants(61%males,mean age 71 years[standard deviation 11 years])were fi nally included in the *** mean follow-up duration was 24 *** of algorithms for minimizing ventricular pacing signifi cantly reduced the incidence of AF,with an odds ratio of 0.74(95%confi dence interval 0.55–1.00;P<0.05).There was moderate heterogeneity among studies(I 2=63%).Conclusions:The incidence of AF was reduced by 26%with use of algorithms for minimizing ventricular *** incorporation of such algorithms in routine clinical practice should in theory lead to a decrease in AF-related morbidity and mortality.

关键词： Atrial fibrillation minimizing ventricular pacing pacemaker

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