• 제목/요약/키워드: Research Articles

검색결과 3,463건 처리시간 0.037초

Contemporary research trends on nanoparticles in endodontics: a bibliometric and scientometric analysis of the top 100 most-cited articles

  • Sila Nur Usta ;Zeliha Ugur-Aydin ;Kadriye Demirkaya;Cumhur Aydin
    • Restorative Dentistry and Endodontics
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    • 제48권3호
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    • pp.27.1-27.11
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    • 2023
  • Objectives: Advancements in nanotechnology have led to the widespread usage of nanoparticles in the endodontic field. This bibliometric study aimed to determine and analyze the top 100 most-cited articles about nanoparticles in endodontics from 2000 to 2022. Materials and Methods: A detailed electronic search was conducted on the "Clarivate Analytics Web of Science, All Databases" to receive the most-cited articles related to the topic. Articles were ranked in descending order based on their citation counts, and the first 100 were selected for bibliometric analysis. Parameters such as citation density, publication year, journal, country, institution, author, study design, study field, evidence level, and keywords were analyzed. Results: The top 100 most-cited articles received 4,698 citations (16-271) with 970.21 (1.91-181) citation density in total. Among decades, citations were significantly higher in 2011-2022 (p < 0.001). Journal of Endodontics had the largest number of publications. Canada and the University of Toronto made the highest contribution as country and institution, respectively. Anil Kishen was the 1 who participated in the largest number of articles. The majority of the articles were designed in vitro. The main study field was "antibacterial effect." Among keywords, "nanoparticles" followed by "Enterococcus faecalis" were used more frequently. Conclusions: Developments in nanotechnology had an impact on the increasing number of studies in recent years. This bibliometric study provides a comprehensive view of nanoparticle advances and trends using citation analysis.

텍스트마이닝 (text-mining) 기법을 이용한 국내 담수외래종 연구동향 파악 (Using Text-mining Method to Identify Research Trends of Freshwater Exotic Species in Korea)

  • 도윤호;고의정;김영민;김효겸;주기재;김지윤;김현우
    • 생태와환경
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    • 제48권3호
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    • pp.195-202
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    • 2015
  • 본 연구는 국내 담수외래종의 연구동향을 파악하기 위해서 비정형 데이터로부터 키워드 간의 연계성을 파악하는 데 적합한 텍스트마이닝 (text-mining)기법을 이용하였다. 환경부가 지정한 담수외래종 17종 (포유류 1종, 양서 파충류 3종, 어류 11종, 식물 2종)의 학명과 국명 또한 일반 검색어로 이용하여 56개의 국내 학회 및 기관에서 발행된 총 245편 논문을 개체군 수준에서 분석하였다. 담수외래종에 대한 연구는 90년대에 증가하여 2000년대 이후 감소하는 양상을 보였으며 외래종의 생리 및 발생에 대한 연구가 분류, 생태에 대한 연구보다 유의하게 많았다. 특히, 무지개 송어 (44%/전체 논문편수), 나일틸라피아 (19%), 이스라엘 잉어 (8%), 은연어 (4%)와 같이 수산자원으로 이용하기 위해 도입된 종들에 대한 연구가 많았다. 하지만 담수외래종의 생태적 특성과 분포, 행동에 대한 연구는 뉴트리아와 큰입우럭, 황소개구리로 제한되어 있고 연구 수 역시 생리 및 발생 관련 연구에 비해 적었다. 지금까지 담수외래종들의 위해성과 문제점은 계속 제기되고 있지만, 분석 결과 연구 주제가 편향되어있어 그들의 생태적인 문제를 해결하기에는 정보가 부족한 것으로 보인다. 담수외래종의 효과적인 관리를 위해서는 그들에 대한 다각적인 접근과 폭넓은 연구주제의 설정이 필요하다.

유헬스케어(U-health Care)에서 양도락의 활용 방안 (The Application of Ryodoraku in the U-health Care System)

  • 송호섭
    • Journal of Acupuncture Research
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    • 제27권6호
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    • pp.115-122
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    • 2010
  • Objectives : The purpose of this study was to propose the utilization plan of Ryodoraku in the U-health care systems. Methods : Computerized literature searches were performed for Ryodoraku related articles using the following databases: KISS, RISS, DBPIA, NDSL from 1990 to Oct 2010. Search terms were '양도락' or 'Ryodoraku' or 'U-health'. Due to Ryodoraku coming from Japan, additional literature review(articles published by 2008) on Japanese journal of Ryodoraku medicine was done for compensation. Results : 1. Introduction of U-health : As rapid progress of population aging and strong interest in health, the demand for the traditional Korean medical service is increasing. Until now healthcare service has provided post treatment by face-to-face manner. But according to related researches, proactive treatment is resulted to be more effective for preventing diseases. Particularly, the existing healthcare services have limitations in preventing and managing chronic geriatric degenrative diseases such as metabolic syndrome, CVA, coronary heart diseases, parkinson's diseases, degenerative joint disease, spondylosis, etc., because the cause of the above is complex and even related to life habit. As the advent of ubiquitous technology, patients with the chronic geriatric degenrative diseases can improve life habit such as poor eating habits and physical inactivity without the constraints of time and space through u-healthcare service. Therefor, lots of researches for u-healthcare service focus on providing the personalized healthcare service for preventing and managing that. To cope with this situations, The concept of u-healthcare service should be adopted in the traditional korean medicine and diagnostic devices suitable for it should be also devised and developed based on traditonal korean medine. 2. Review of existing Ryodoraku related articles for applying to U-health : articles investigating feasibility applying Ryodoraku to meridian diagnosis and raising problems of it, articles providing recent research trends of Ryodoraku, Ryodoraku related articles considering usefulness for U-health, and articles confirming the repeatability and reproducity of Ryodoraku were included. Based on the review of the above Ryodoraku related articles, several application of Ryodoraku in the U-health care system. Conclusions : To make preparations for the increasing need of traditional Korean medicine due to rising morbidity rate of chronic geriatric degenerative diseases, it is necessary to appropriately apply Ryodoraku to the U-health care system. The application of Ryodoraku is as follows. 1. To use Ryodoraku additionally to the established diagnostic device of metabolic syndrome, CVA, coronary heart diseases, parkinson's diseases, degenerative joint disease, spondylosis. 2. To apply Ryodoraku to the symptoms or diseases having a tendency to be diagnosed by correlation between the affected meridian and the lesion such as headache, nuchal pain, shoulder pain, low back pain, sciatica, HNP, etc. 3. To secure the repeatability and reproducity of Ryodoraku. 4. To devise and develop Ryodoraku appliance in order to overcome the known drawbacks and to improve error of measurement.

`화폐 태도' 관련 연구동향 분석 (Trend Analysis about 'The Attitude towards Money')

  • 유수현;문숙재
    • 가정과삶의질연구
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    • 제28권5호
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    • pp.197-208
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    • 2010
  • This study examines the 'Attitude towards Money' research trends and suggests future research issues and implications through a contents analysis. To accomplish the study object, 4 analysis categories were selected based on reference study to review the research subject, methods of data collection, research objects, and an analysis of the methods, found in 31 articles in journals and dissertations from 1996 to 2009. The were made in early 1990, (an increase in related research since 2000); however, the object of study is too limited, with an overemphasis on research methods and quantitative research methods. The research method of most articles was mainly limited to the quantitative study. Based on the results, research directions and research limitations were suggested for future leisure research.

"경영정보학연구"의 연구 다양성 평가 (An Empirical Study on Research Diversity in "Journal of MIS Research")

  • 김기문;박충신;김준석;이호근;임건신
    • Asia pacific journal of information systems
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    • 제15권2호
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    • pp.149-170
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    • 2005
  • This study assessed diversity in MIS research by examining 357 articles published in Journal of MIS Research from 1991 to 2003. The classification system developed by Vessey et al.(2002) was employed to examine research diversity of the articles. The classification system comprises four key characteristics of diversity such as research topic, research method, level of analysis, and reference discipline. The results of our study were also compared with Vessey et al,(2002)'s results to address problems in current MIS research and to suggest some recommendations for the future MIS research in Korea.

메타분석을 이용한 당뇨중재의 효과분석 (A Meta-Analysis of Korean Diabetes Patient Studies from 1977 to 2008)

  • 진영란;소은선;이효영
    • 한국보건간호학회지
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    • 제25권1호
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    • pp.5-16
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    • 2011
  • Objectives: This study analyzed the effects of diabetes interventions published in journals of nursing, medical and public health, to suggest directions for future research. Methods: A comprehensive search of three databases was undertaken (Korean studies, Riss4U, RICHIS) using research terms such as "diabetes", "nursing", "public health", "intervention" and "program". One hundred fifty four original articles were retrieved and 21 articles were finally analyzed. The analyzed articles satisfied the inclusion criteria and their effect size was calculated. Results: Most studies about diabetes intervention were published form 2001. 2005 (57.1%). The psycho-social variables, 'self-efficacy' and 'self-care' presented good effects on exercise or exercise prescription intervention. In addition, the physiological variables, 'fasting blood sugar' and 'glycosylated glucose' presented good effects on the interventions using four more elements or the interventions held in a public health center. Conclusion: Further research should consider the essential elements that benefit diabetes patients' behaviors or physiological indicators.

제조업에서 지게차에 대한 안전보건 기준에 관한 규칙 개정 방안 (Proposed Revision of Standard on Articles for Forklift Trucks in Manufacturing Industries)

  • 신운철;이홍석;박재학
    • 한국안전학회지
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    • 제28권4호
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    • pp.33-37
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    • 2013
  • A forklift truck, commonly used for transporting heavy materials in manufacturing industries, etc., is a useful machine. However accidents occur frequently during the operation of the machine. In order to prevent accidents it is necessary to examine the current safety regulations on a forklift truck. Because the regulations have not revised for a long time, they do not reflect the rapidly changing environment of industries. Proposed revision of standard on articles for forklift trucks was presented after analysing the causes of occurred injuries, comparing domestic standards with international standards and examining the survey results. We analyzed the safety regulation articles and the injuries according to the type of work conducted with forklift. The major differences in safety regulations between Korea and the major foreign countries were investigated. The opinions of field workers on the safety regulations were surveyed using e-mail or interview. As a result, it was found that preventing workers from contacting with the forklift is very important. To prevent accident due to movement of a stopped forklift, actions are necessary to prevent slip of a forklift. Also supervision is required to make workers fasten safety belt and to prohibit workers from using a forklift for undesignated purpose.

정보원으로서의 학위논문 이용에 관한 연구 (A Study on the Use of Theses and Dissertations as Information Source)

  • 조인숙
    • 한국문헌정보학회지
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    • 제24권
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    • pp.205-219
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    • 1993
  • The purpose of this study is to analyse theses and dissertations cited in research literature, particularly subjects, age, origin, and frequency of use of them, and kinds of papers that cite them. The theses and dissertations cited in the journal articles and theses dissertations in the fields of library science, information science and bibliography are analysed in this study. The maj or conclusions made in this study are summarised as follows. (1) Theses and dissertations form $5.6\%$ of the total citations. (2) $87.1\%$ of the cited theses and dissertations are found in theses and dissertations and $12.9\%$ in journal articles. (3) Most of research papers cite less than six theses and dissertations. The average number of theses and dissertations cited in a research paper in 2.7. (4) Most of the cited theses and dissertations are found in research papers from their own field and $24.5\%$ in those from other fields. (5) Researchers prefer to cite recently produced theses and dissertations $63.5\%$ of the total citations are those produced within three years in the past. (6) The theses and dissertations form most part$(89.0\%)$ of the total citations. 88.9% of the cited foreign theses and dissertations are found in theses and dissertations, and $11.1\%$ in journal articles.

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Research Publishing by Library and Information Science Scholars in Pakistan: A Bibliometric Analysis

  • Ali, Muhammad Yousuf;Richardson, Joanna
    • Journal of Information Science Theory and Practice
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    • 제4권1호
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    • pp.6-20
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    • 2016
  • Scholarly communication plays a significant role in the development and dissemination of research outputs in library and information science (LIS). This study presents findings from a survey which examines the key attributes that characterize the publishing by Pakistani LIS scholars, i.e. academics and professionals, in national journals. A pilot-tested, electronic questionnaire was used to collect the data from the target population. 104 respondents (or 69.3% of target) provided feedback on areas such as number of articles published, number of citations, and the nature of any collaboration with other authors. The findings of this survey revealed that, among the various designated regions of Pakistan, the Punjab region was the most highly represented. In articles published in national journals, there was a clear preference among all respondents to collaborate with at least one other author. The citation metrics for LIS articles in national journals were relatively low (30.22%), which aligns with Scimago’s Journal and Country Rankings. The uptake of social scholarly networks mirrors international trends. Respondents were asked to score factors which could impact negatively on their ability to undertake research and/or publish the results. The study recommends that concerned stakeholders work together, as appropriate, to address concerns. In addition, it recommends that further research be undertaken to define patterns of Pakistani co-authorship in the social sciences.

네트워크분석을 통한 직업건강간호학회지 논문의 지식구조 분석 (Knowledge Structure of the Korean Journal of Occupational Health Nursing through Network Analysis)

  • 권선영;박은정
    • 한국직업건강간호학회지
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    • 제24권2호
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    • pp.76-85
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    • 2015
  • Purpose: The purpose of this study was to identify knowledge structure of the Korean Journal of Occupational Health Nursing from 1991 to 2014. Methods: 400 articles between 1991 and 2014 were collected. 1,369 keywords as noun phrases were extracted from articles and standardized for analysis. Co-occurrence matrix was generated via a cosine similarity measure, then the network was analyzed and visualized using PFNet. Also NodeXL was applied to visualize intellectual interchanges among keywords. Results: According to the results of the content analysis and the cluster analysis of author keywords from the Korean Journal of Occupational Health Nursing articles, 7 most important research topics of the journal were 'Workers & Work-related Health Problem', 'Recognition & Preventive Health Behaviors', 'Health Promotion & Quality of Life', 'Occupational Health Nursing & Management', 'Clinical Nursing Environment', 'Caregivers and Social Support', and 'Job Satisfaction, Stress & Performance'. Newly emerging topics for 4-year period units were observed as research trends. Conclusion: Through this study, the knowledge structure of the Korean Journal of Occupational Health Nursing was identified. The network analysis of this study will be useful for identifying the knowledge structure as well as finding general view and current research trends. Furthermore, The results of this study could be utilized to seek the research direction in the Korean Journal of Occupational Health Nursing.