• Title/Summary/Keyword: Team efficacy

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An Exploratory Study on the Internal Organizational Factors to Subject Specialized Services in University Libraries (대학도서관 주제전문서비스에 영향을 미치는 조직 내부 요인 탐색)

  • Kim, Giyeong;Choi, Yoonhee
    • Journal of the Korean Society for Library and Information Science
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    • v.49 no.4
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    • pp.335-354
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    • 2015
  • This study attempts to explore the internal organizational factors to subject specialized services in university libraries from a viewpoint of libraries as organizations. For this goal, a set of deep interviews were conducted with several librarians in a university library who are in charge of the subject specialized services, then analyzed the interview contents on individual, team, and organizational levels. The subject specialized services were explained with the perception of the job importance, support and cooperation on team level, motivation, team efficacy, and internal communication from the organizational viewpoint. As a result, the study identified several internal and organizational factors to the services, which should be considered for the sevice activation, with which organizational goals in libraries are supported.

Efficacy of plasma treatment for surface cleansing and osseointegration of sandblasted and acid-etched titanium implants

  • Gang-Ho Bae;Won-Tak Cho;Jong-Ho Lee;Jung-Bo Huh
    • The Journal of Advanced Prosthodontics
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    • v.16 no.3
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    • pp.189-199
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    • 2024
  • PURPOSE. This study was conducted to evaluate the effects of plasma treatment of sandblasted and acid-etched (SLA) titanium implants on surface cleansing and osseointegration in a beagle model. MATERIALS AND METHODS. For morphological analysis and XPS analysis, scanning electron microscope and x-ray photoelectron spectroscopy were used to analyze the surface topography and chemical compositions of implant before and after plasma treatment. For this animal experiment, twelve SLA titanium implants were divided into two groups: a control group (untreated implants) and a plasma group (implants treated with plasma). Each group was randomly located in the mandibular bone of the beagle dog (n = 6). After 8 weeks, the beagle dogs were sacrificed, and volumetric analysis and histometric analysis were performed within the region of interest. RESULTS. In morphological analysis, plasma treatment did not alter the implant surface topography or cause any physical damage. In XPS analysis, the atomic percentage of carbon at the inspection point before the plasma treatment was 34.09%. After the plasma treatment, it was reduced to 18.74%, indicating a 45% reduction in carbon. In volumetric analysis and histometric analysis, the plasma group exhibited relatively higher mean values for new bone volume (NBV), bone to implant contact (BIC), and inter-thread bone density (ITBD) compared to the control group. However, there was no significant difference between the two groups (P > .05). CONCLUSION. Within the limits of this study, plasma treatment effectively eliminated hydrocarbons without changing the implant surface.

Biological properties of $\beta$-ketoacetoanilide chlorides against late blight of tomato (베타-케토아세트아닐라이드 염화물 유도체의 토마토 역병에 대한 작용 특성)

  • Choi, Gyung-Ja;Jang, Kyoung-Soo;Kim, Jin-Cheol;Lee, Seon-Woo;Cho, Kwang-Yun;Nam, Kee-Dal;Hahn, Hoh-Gyu
    • The Korean Journal of Pesticide Science
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    • v.8 no.2
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    • pp.137-144
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    • 2004
  • [ $\beta$ ]-Ketoacetoanilide chloride derivatives containing a substituent at 4 in phenyl group (para) reduced specifically the development of tomato late blight caused by Phytophthora infestans. Among $\beta$ketoacetoanilide chloride derivatives, five (KIST163, KIST170, KIST260, KIST263, and KIST267) were selected and tested for their protective, curative, systemic, persistent activities, and disease control efficacy against tomato late blight on adult plants. They exhibited a strong l-day protective activity and $EC_{50}$ of KIST163 and KIST170 were 21.9 and $14.5{\mu}g/mL$, respectively. However, they had little curative and systemic activities. Good persistence of KIST163 and KIST170 on tomato plants were observed against P. infestans; both KIST163 and KIST170 at $100{\mu}g/mL$ showed control values more than 75% in a 7-day protective applications. In addition, the two chemicals effectively controlled the occurrence of P. infestans on adult tomato plants. These results indicate that five $\beta$-ketoacetoanilide chloride derivatives are foliar fungicides with a preventive action and KIST163 and KIST170 have a potential for the control of tomato late blight in the fields.

Establishment of Sample Preparation Method for PCR Detection of Clostridium perfringens from Agricultural Products (PCR 법을 이용한 농산물 중 Clostridium perfringens 검출을 위한 전처리법 확립)

  • Choi, Song-Yi;Seo, Min-Kyoung;Yoon, Jae-Hyun;Rajalingam, Nagendran;Hwang, Injun;Kim, Se-Ri
    • Journal of Food Hygiene and Safety
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    • v.36 no.1
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    • pp.93-99
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    • 2021
  • This study was undertaken to compare the efficacy of different sample preparation (stomaching, pulsifying, and sonication) and DNA extraction methods (boiling and commercial kit) for detection of enterotoxin-producing Clostridium perfringens from produce by polymerase chain reaction (PCR). Each produce type was inoculated at concentrations of 102, 103, 104, 105, 106, and 107 spores/g. Produce inoculated with spores was treated with three sample preparation methods, and DNA was extracted by boiling method and a commercial kit, followed by PCR. The detection limit of stomached samples was lower than that of pummeled and sonicated samples by 10-100 times. Moreover, the DNA extraction efficiency of the commercial kit was found to be superior to that of boiling. In particular, the PCR efficiency of cherry tomato and perilla leaf samples was greatly affected by sample preparation and DNA extraction method. These data suggest that DNA extraction with a commercial kit after pulsification is an optimum sample preparation method for detection of C. perfringens by PCR.

Examining ways to support engineering students for choosing a project topic in interdisciplinary collaboration (공대 학생들의 프로젝트 주제 선정을 위한 초기 교수학습 지원 방안 탐구)

  • Byun, Moon-Kyoung;Cho, Moon-Heum
    • Journal of Engineering Education Research
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    • v.19 no.1
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    • pp.37-46
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    • 2016
  • The purposes of the study were to examine engineering students' concerns and problems while they were choosing a project topic in interdisciplinary collaboration and to suggest ways to support them in an early stage of collaboration phase. To answer the research questions, we conducted a case study with engineering participants in GCTI 2015, an interdisciplinary collaborative and creative group project. Multiple data sources including focus group interviews, online survey and researchers' observation notes were used to triangulate research findings. We found four main concerns of engineering students. These concerns include (1) lack of self-efficacy, (2) limited resources, (3) lack of shared, meaningful, and common goals, and (4) lack of content knowledge. Based on these concerns we proposed four supports in an early stage of the collaborative project. These supports includes (1) implementing an orientation program, (2) providing opportunities for social interactions, (3) providing expert feedback, and (4) providing consultation for team building.

Production of Weak Acid by Anaerobic Fermentation of Soil and Antifungal Effect

  • Kim, Hong-Lim;Jung, Bong-Nam;Sohn, Bo-Kyoon
    • Journal of Microbiology and Biotechnology
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    • v.17 no.4
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    • pp.691-694
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    • 2007
  • Acetic acid and butyric acid were produced by the anaerobic fermentation of soil mixed with wheat or rice bran. The concentration of acetic acid produced in the wheat and rice bran-treated soil was 31.2mM and 8mM, respectively, whereas the concentration of butyric acid in the wheat and rice bran-treated soil was 25.0mM and 8mM, respectively. The minimal fungicidal concentration (MFC) for all the fungal strains was 40-60mM acetic acid, 20-40mM butyric acid, and 40-60mM mixture of acetic acid: butyric acid (1:1, v/v). Consequently, the efficacy of mixing wheat-bran with soil to control soil diseases was demonstrated.

Exploring the Difference in Acceptance of Smart Work among Levels of Leadership Styles

  • Park, Kiho
    • Journal of Information Technology Applications and Management
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    • v.20 no.4
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    • pp.151-164
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    • 2013
  • According to the development of smart technologies such as smart phones, tablet PC, and SNS communication, the necessity of smart work that can change the working environments in organizations has been emphasized. However, while there are many organizations that wish to adopt smart technologies, there are those that have been skeptical until now about its potential success. Leaders may especially have different viewpoints concerning the efficacy and effectiveness of smart work depending on the industries, characteristics of the work, etc. Therefore, this research looks to investigate whether there may be differences between leaders (manager, project manager, supervisor, etc.) and non-leaders (team member, staff, etc.) group in accepting smart working through empirical and exploratory approaches.

Tools to Prioritize Construction Phase Sustainability Actions (CPSAs) and to Measure CPSAs Implementation

  • O'Connor, James T.;Torres, Neftali;Kralik, Nancy;Woo, Jeyoung
    • Journal of Construction Engineering and Project Management
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    • v.8 no.1
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    • pp.22-30
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    • 2018
  • Achieving sustainability targets on construction projects has increasingly become one of the prime strategies for construction organizations. To provide more detailed guidance on sustainability implementation on projects, Construction Industry Institute (CII) Research Team (RT) 304 developed a catalog of the Construction Phase Sustainability Actions (CPSAs). The primary objective of this paper was the development of two support tools, the CPSA Screening Tool and the CPSA Implementation Index, that could be used to enable efficient application of CPSAs, support sustainability-related decisions, and measure CPSA implementation and performance. The authors developed the tools in four stages: conceptual, detailed planning, tool programming, and testing. The tools were then demonstrated on a capital project to confirm their efficacy and applicability. This paper presents the background, inputs and outputs, and the algorithms of each tool. The CPSA Screening Tool can prioritize the CPSAs most relevant to a project; the CPSA Implementation Index enables continuous monitoring of implementation levels.

Recent Progress in Alpha-emitting Radiopharmaceutical Development for Clinical Application

  • Choong Mo Kang;Yearn Seong Choe
    • Journal of Radiopharmaceuticals and Molecular Probes
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    • v.8 no.2
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    • pp.157-166
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    • 2022
  • Targeted alpha therapy began to be applied to the treatment of late-stage cancer patients because of its dramatic therapeutic efficacy in patients who have no responses with beta-emitting radiopharmaceuticals. However, its strong cytotoxicity may cause side effects due to undesirable uptake in non-target tissues. In order to use alpha-emitting radiopharmaceuticals for early-stage patients as well as late-stage cancer patients, therefore, modifications on their chemical structures are required. In this review, the recent progress in the development of alpha-emitting radiopharmaceuticals is discussed.

The Differences of Job-seeking Efficacy and Big 5 Personality Factors between University Job Support Program Participants and Non-Participants: Focused on D University in Kyungbuk Region (대학의 취업지원 프로그램 참여자와 비참여자간 구직효능감과 성격 5요인의 차이: 경북지역 D대학을 중심으로)

  • Seo, Young-kyun;Kang, Hye-Young
    • Journal of Practical Engineering Education
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    • v.11 no.2
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    • pp.231-237
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    • 2019
  • The purpose of this study is to identify differences in job-seeking efficacy and personality five factors between participants in the college's job support program and non-participants. The survey was conducted on 382 undergraduate students from D University in North Gyeongsang Province. Also, the difference between participants and non-participants in the job support program was verified. The principal results were as follows. First, the results showed that job-seeking efficacy of participants in job support programs was higher than that of non-participants. Second, difference between participants and non-participants in the job support program. In other words, extroversion, agreeableness, and conscientiousness among the five personality traits showed that participants in the job support program were higher than non-participants, while neurology and openness were not significant. The findings of this study indicated that personality traits may affect that participants can influence whether or not they participate in job support programs, indicating the need to come up with measures to encourage non-participating groups in the job support program to participate.