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  • 文章类型: Letter
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  • 文章类型: Journal Article
    本文的目的是研究社会科学中存储在数字数据档案中的研究数据的再利用。这项研究检查了数量,type,通过分析从瑞士数据档案收集的丰富的用户日志数据,实现数据下载的目的。研究结果表明,定量数据集越来越多地从数字档案中下载,并且下载主要集中在数据集中的一小部分。最频繁下载的数据集是由研究机构收集的调查数据集,为纵向研究提供了可能性。用户通常只下载一个数据集,但是一组重型下载器在所有下载中占有相当大的份额。从档案中下载数据的主要用户组是在学习中使用数据的学生。此外,经常为研究目的下载的数据集,但并非总是如此,用于学术出版物。来自数据档案的丰富日志数据为服务的使用和用户提供了一个有趣的宏观视角,并有助于理解存储库在社会科学中日益重要的作用。该研究提供了有关收集和使用日志数据以研究和评估数据档案使用的潜力的见解。
    The aim of this paper is to investigate the re-use of research data deposited in digital data archive in the social sciences. The study examines the quantity, type, and purpose of data downloads by analyzing enriched user log data collected from Swiss data archive. The findings show that quantitative datasets are downloaded increasingly from the digital archive and that downloads focus heavily on a small share of the datasets. The most frequently downloaded datasets are survey datasets collected by research organizations offering possibilities for longitudinal studies. Users typically download only one dataset, but a group of heavy downloaders form a remarkable share of all downloads. The main user group downloading data from the archive are students who use the data in their studies. Furthermore, datasets downloaded for research purposes often, but not always, serve to be used in scholarly publications. Enriched log data from data archives offer an interesting macro level perspective on the use and users of the services and help understanding the increasing role of repositories in the social sciences. The study provides insights into the potential of collecting and using log data for studying and evaluating data archive use.
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  • 文章类型: Journal Article
    监测空气传播真菌的动态和控制有害真菌对文物保护至关重要。然而,空气质量和微生物群落结构特征的评价,尤其是真菌,尽管中国建设了4000多个档案馆,但档案氛围正处于不断探索的阶段。本研究从昆明医科大学档案馆采集了72个不同空间和天气条件下的空气样本,位于昆明都市圈,云南省,中国西南部。总共22个空气传播的真菌类别,确定了160个属和699个ASV,随着外部空间空气流通的加强,物种多样性正在增加,因此,在窗户和晴朗天气的空间中发现了密集的能量代谢和活动,除了室内样品的脂质合成高于室外样品。此外,晴天和多雨天气之间的真菌群落组成和丰度存在显着差异。在档案的各种环境和天气条件下,已经确定了相当多的物种作为指标,温度和湿度被认为与这些物种的丰度具有显着相关性。同时,枝孢菌和链格孢菌是这里的优势属,这可能对档案专业人员的健康构成威胁。因此,监测和控制这些真菌物种的生长对于保存纸质记录和档案专业人员的健康至关重要。
    Monitoring dynamics of airborne fungal species and controlling of harmful ones are of vital importance to conservation of cultural relics. However, the evaluation of air quality and the community structure characteristics of microorganisms, especially fungi, in the atmosphere of archives is in a stage of continuous exploration though more than 4,000 archives were constructed in China. Seventy-two air samples were collected in this study under different spatial and weather conditions from the archives of Kunming Medical University, located in the Kunming metropolitan area, Yunnan province, southwestern China. A total of 22 airborne fungal classes, 160 genera and 699 ASVs were identified, the species diversity is on the rise with the strengthening of air circulation with the outside space, and thus the intensive energy metabolism and activity were found in the spaces with window and sunny weather, except for the higher lipid synthesis of indoor samples than that of outdoor ones. Furthermore, there were significant differences in fungal community composition and abundance between sunny and rainy weathers. A considerable number of species have been identified as indicator in various environmental and weather conditions of the archives, and temperature and humidity were thought to have significant correlations with the abundance of these species. Meanwhile, Cladosporium and Alternaria were the dominant genera here, which may pose a threat to the health of archive professionals. Therefore, monitoring and controlling the growth of these fungal species is crucial for both conservation of paper records and health of archive professionals.
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  • 文章类型: Journal Article
    在阿拉斯加,1918-20年的流感大流行是毁灭性的,死亡率高达90%的人口,而在瑞典北部和挪威的其他北极地区,死亡率相当低。我们调查了格陵兰在1918-21年期间超额死亡率的时间和年龄模式,并将其与其他流行病和1889-92年的大流行进行了比较。我们访问了格陵兰国家档案馆,并按年龄转录了1880年至1921年的所有死亡病例,地理,和死因。我们估计了每月的超额死亡率,并研究了大流行的时空模式,并将其与40年期间的其他死亡率危机进行了比较。1918-21年的流感大流行于1919年夏天抵达格陵兰,由于冬季的船舶交通中断而推迟了一年。我们发现,格陵兰人口中有5.2%死于大流行,各县之间存在很大差异(范围,0.1%至11%)。我们没有看到年轻人死亡率高的典型大流行年龄模式,可能是由于该年龄组或偏远的基线死亡率高。然而,尽管死亡率很高,相对于其他死亡危机,死亡率影响并不突出,或在阿拉斯加人口中报告的类似破坏。
    In Alaska, the 1918-20 influenza pandemic was devastating, with mortality rates up to 90% of the population, while in other arctic regions in northern Sweden and Norway mortality was considerably lower. We investigated the timing and age-patterns in excess mortality in Greenland during the period 1918-21 and compare these to other epidemics and the 1889-92 pandemic. We accessed the Greenlandic National Archives and transcribed all deaths from 1880 to 1921 by age, geography, and cause of death. We estimated monthly excess mortality and studied the spatial-temporal patterns of the pandemics and compared them to other mortality crises in the 40-year period. The 1918-21 influenza pandemic arrived in Greenland in the summer of 1919, one year delayed due to ship traffic interruptions during the winter months. We found that 5.2% of the Greenland population died of the pandemic with substantial variability between counties (range, 0.1% to 11%). We did not see the typical pandemic age-pattern of high young-adult mortality, possibly due to high baseline mortality in this age-group or remoteness. However, despite substantial mortality, the mortality impact was not standing out relative to other mortality crises, or of similar devastation reported in Alaskan populations.
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  • 文章类型: Journal Article
    储存的适当规定,保留,病理实验室和学术机构中存档标本的使用尚待建立。这些标本可以适当地用于研究目的。在受控环境中理想的存储和保留是必要的,关于组织标本的所有权缺乏既定的规则,石蜡块,和幻灯片。尽管福尔马林固定的组织标本有许多用途,块,和幻灯片,存档时也存在阻碍其使用的问题。这篇综述文章解决了上述问题,并提出了有效使用存档标本的简单指南。
    The proper regulations for storage, retention, and use of archived specimens in pathology laboratories and academic institutions are yet to be established. These specimens could be used appropriately for research purposes. Ideal storage and retention in a controlled environment is necessary, and there is a lack of established rules regarding the ownership of the tissue specimens, paraffin blocks, and slides. Though there are numerous uses of formalin-fixed tissue specimens, blocks, and slides, there are also problems in archiving them that hinder their use. This review article addresses the above issues and proposes simple guidelines for the effective use of archived specimens.
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  • 文章类型: Journal Article
    目的:本研究旨在确定护理领域的主要主题,并通过使用文本挖掘方法分析几种主要护理研究期刊的摘要来显示随时间变化的观点。
    方法:文本挖掘和网络分析。
    方法:文本分析结合了自动和手动操作,以识别非结构化数据中的模式。在PubMed档案中进行了涵盖1998-2021年的详细搜索,以收集六本护理期刊的文章:高级护理杂志,国际护理研究杂志,西方护理研究杂志,护理研究,护理奖学金与护理与健康研究杂志。本研究采用四阶段文本挖掘和网络方法,收集文本数据和清理,预处理,文本分析和高级分析。使用Endnote进行分析和数据可视化,JMP,MicrosoftExcel,Tableau和VOSviewer版本。从六本日记中,PubMed中的17,581个引用被合并为一个EndNote文件。由于缺少抽象信息,2496个参考文献从研究中排除。其余参考文献(n=15,085)用于文本挖掘分析。
    结果:将18名受试者分为两个主要组:研究方法主题和护理研究主题。最引人注目的主题是定性研究,概念分析,下降趋势中的先进实践,和文献检索,统计分析,随机对照试验,定量研究,护士执业环境,风险评估和护理科学。根据网络分析结果,护理满意度与职业倦怠和护理实践环境高度相关,占总语料库的10%。这项研究以各种方式为文本挖掘增强的护理研究领域做出了贡献。研究结果揭示了研究人员越来越意识到最新的研究状况,多年来的子领域和趋势,找出差距并规划未来的研究议程。没有耐心或公共贡献。
    OBJECTIVE: This study is set to determine the main topics of the nursing field and to show the changing perspectives over time by analysing the abstracts of several major nursing research journals using text mining methodology.
    METHODS: Text mining and network analysis.
    METHODS: Text analysis combines automatic and manual operations to identify patterns in unstructured data. Detailed searches covering 1998-2021 were conducted in PubMed archives to collect articles from six nursing journals: Journal of Advanced Nursing, International Journal of Nursing Studies, Western Journal of Nursing Research, Nursing Research, Journal of Nursing Scholarship and Research in Nursing and Health. This study uses a four-phase text mining and network approach, gathering text data and cleaning, preprocessing, text analysis and advanced analyses. Analyses and data visualization were performed using Endnote, JMP, Microsoft Excel, Tableau and VOSviewer versions. From six journals, 17,581 references in PubMed were combined into one EndNote file. Due to missing abstract information, 2496 references were excluded from the study. The remaining references (n = 15,085) were used for the text mining analyses.
    RESULTS: Eighteen subjects were determined into two main groups; research method topics and nursing research topics. The most striking topics are qualitative research, concept analysis, advanced practice in the downtrend, and literature search, statistical analysis, randomized control trials, quantitative research, nurse practice environment, risk assessment and nursing science. According to the network analysis results, nursing satisfaction and burnout and nursing practice environment are highly correlated and represent 10% of the total corpus. This study contributes in various ways to the field of nursing research enhanced by text mining. The study findings shed light on researchers becoming more aware of the latest research status, sub-fields and trends over the years, identifying gaps and planning future research agendas. No patient or public contribution.
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  • 文章类型: Journal Article
    背景:内含子的去除是通过5'剪接位点(5'ss)与3'剪接位点(3'ss)的剪接发生的。这两个元素由剪接体的不同成分识别。然而,高等真核生物中的内含子包含许多与5'和3'剪接位点基序的匹配,这些基序被认为不被使用。
    结果:这里,我们发现这些网站中的许多都可以使用。我们还发现AGGT基序的出现可以充当5'ss或3'ss-以前称为内含子内的双特异性剪接位点(DSS)。序列读数存档的分析揭示了DSS相对于期望值的3.1倍富集,暗示着作为5'ss和3'ss的功能之间的协同作用。尽管有这种机械优势,DSS在带注释的5'和3'个剪接位点中被低估了2.7和4.7倍。一个奇怪的例外是聚泛素基因UBC,它包含一个串联的DSS阵列,精确地界定了每个泛素单体的边界。所得同种型随机剪接以包括可变数量的泛素单体。我们没有发现组织特异性或反馈调节的证据,但注意到串联重复基因中DSS剪接内含子的8.4倍富集表明在UBC等基因的进化中起驱动作用。
    结论:我们发现过量的未注释剪接位点和串联重复序列中DSS的利用支持剪接在基因进化中的作用。这些发现增强了我们对剪接过程的多样性和复杂性的理解。
    The removal of introns occurs through the splicing of a 5\' splice site (5\'ss) with a 3\' splice site (3\'ss). These two elements are recognized by distinct components of the spliceosome. However, introns in higher eukaryotes contain many matches to the 5\' and 3\' splice-site motifs that are presumed not to be used.
    Here, we find that many of these sites can be used. We also find occurrences of the AGGT motif that can function as either a 5\'ss or a 3\'ss-previously referred to as dual-specific splice sites (DSSs)-within introns. Analysis of the Sequence Read Archive reveals a 3.1-fold enrichment of DSSs relative to expectation, implying synergy between the ability to function as a 5\'ss and 3\'ss. Despite this suggested mechanistic advantage, DSSs are 2.7- and 4.7-fold underrepresented in annotated 5\' and 3\' splice sites. A curious exception is the polyubiquitin gene UBC, which contains a tandem array of DSSs that precisely delimit the boundary of each ubiquitin monomer. The resulting isoforms splice stochastically to include a variable number of ubiquitin monomers. We found no evidence of tissue-specific or feedback regulation but note the 8.4-fold enrichment of DSS-spliced introns in tandem repeat genes suggests a driving role in the evolution of genes like UBC.
    We find an excess of unannotated splice sites and the utilization of DSSs in tandem repeats supports the role of splicing in gene evolution. These findings enhance our understanding of the diverse and complex nature of the splicing process.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    图片存档和通信系统(PACS),以数字方式获取,archive,传输,并显示医学图像最终实现了从基于模拟胶片的操作到数字工作流程的转变,从而彻底改变了放射学。本文简要追溯早期生成系统到今天的PACS,注意到挑战以及关键的技术进步和好处。讨论了未来PACS发展的思路,包括人工智能应用程序集成的前景。
    Picture archiving and communication systems (PACS) that digitally acquire, archive, transmit, and display medical images ultimately enabled the transition from an analog film-based operation to a digital workflow revolutionizing radiology. This article briefly traces early generation systems to present-day PACS, noting challenges along with key technological advances and benefits. Thoughts for future PACS evolution are discussed including the promise of integration of artificial intelligence applications.
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  • 文章类型: Biography
    CharlesLouisAlphonseLaveran-1845年6月18日-1922年5月18日:法国第一个诺贝尔医学奖,“以表彰他对原生动物在引起疾病中所起作用的工作。”他死后一百年,他的工作和生活只剩下书面记录。这段时期的证人已经不存在了。AlphonseLaveran已成为历史的“对象”。他深陷动荡的历史时期,以政权更迭(君主制/帝国/共和国)危机为标志,军事事件(1830年法国在北非的殖民扩张,1870年和1914-1918年的战争)及其后果(殖民帝国和武装冲突期间感染的医疗影响,Dreyfus事件,除其他外),巴斯德“微生物学”的出现以及传染病传播的原因和模式的破译。一个处于军事和民用世界边缘的玩家,用自己的,有时不相容,要追求的目标和目标的愿景,AlphonseLaveran在一个处于变革阵痛的社会中经历了这些动荡,在他的家庭和科学环境中。矛盾的是,在21世纪,我们学习这位科学家和人类的主要来源既丰富又“稀缺”。他的科学出版物和他在各个学院的许多演讲,委员会和会议大部分是公开的和可访问的,给我们一个科学和医学研究专业人士的愿景,向人们展示和说服他的思想以及理论和实践见解。他同时代的著作,公共和私人,照亮-扭曲?-这个人有很多方面。另一方面,关于这个人和他的生活愿景,他的生活和他的家人和朋友。我们将依靠已经保存的档案,特别是在他的军事和平民生涯中欢迎他的组织,以及他的妻子MarieLaveran和他的同事MariePhisalix,法国最早的医学博士之一和著名的爬虫学家。这两个女性人物保存并为他的记忆做出了贡献。让我们仔细看看科学家背后的人,我们可以想象他通过留下的痕迹。
    Charles Louis Alphonse Laveran - 18 June 1845 - 18 May 1922: first French Nobel Prize in Medicine, \"in recognition of his work on the role played by protozoa in causing diseases\". One hundred years after his death, only written records remain of his work and life. The witnesses to this period are no more. Alphonse Laveran has become an \"object\" of history.He was deeply involved in a turbulent historical period, marked by crises of regime change (Monarchy/Empire/Republic), military events (French colonial expansion in North Africa from 1830, the wars of 1870 and 1914-1918) and their consequences (the medical impact of infections in the colonial empire and during armed conflicts, the Dreyfus affair, among others), the advent of Pasteurian \"microbiology\" and the deciphering of the causes and modes of transmission of infectious diseases. A player on the edge of the military and civilian worlds, with their own, sometimes incompatible, visions of the aims and objectives to be pursued, Alphonse Laveran lived through these upheavals in a society in the throes of change, in his family and scientific environment.Paradoxically, the primary sources available to us for learning about this scientist and man are both abundant and \"scarce\" for us in the 21st century. His scientific publications and many of his speeches at various academies, committees and meetings are for the most part public and accessible, giving us a vision of a professional in scientific and medical research in action, presenting and convincing people of his ideas and theoretical and practical insights. The writings of his contemporaries, both public and private, shed light on - distort? - the man\'s many facets. On the other hand, there are few surviving sources on the man and his vision of life, his life and that of his family and friends.We will rely on the archives that have been preserved, in particular by the organisations that welcomed him during his military and civilian career, as well as by his wife Marie Laveran and his colleague Marie Phisalix, one of the first doctors of medicine in France and a renowned herpetologist. These two female figures have preserved and contributed to his memory. Let\'s take a closer look at the man behind the scientist, as we can imagine him through the traces that remain.
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