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      • KCI등재

        국내 직업진로체험기관의 이용경험자 만족도 조사 연구

        김정원 ( Kim¸ Jungwon ),강현주 ( Kang¸ Hyounju ),이효섭 ( Lee¸ Hyoseop ),조대연 ( Cho¸ Dae-yeon ) 인하대학교 교육연구소 2020 교육문화연구 Vol.26 No.6

        본 연구의 목적은 직업진로체험기관과 프로그램 운영 만족도 조사를 통해 직업진로체험기관 운영의 발전적 방향성을 모색하는 데 있다. 본 연구 수행을 위해 문헌분석 및 전문가 자문을 거쳐 최종 17개의 문항을 도출하였고, 수도권지역 학생, 학부모, 교사 총 1,312명을 대상으로 설문을 실시하였다. 조사 결과, 학생들은 전반적으로 시설 안전성, 정보 접근성, 평가관리 등 시설 및 프로그램 운영에서 만족도가 높았으나, 진로탐색 지원이나 직업진로상담 제공등과 같은 프로그램 자체에 대한 만족도는 낮았다. 교사 대상 분석 결과, 체험기관 운영 및 프로그램에 관한 전반적인 만족도가 높게 나타났다. 시설 안전성, 체험기관 소개, 프로그램 안내 및 예약관련 정보 접근성, 다양한 직종 제공에서 가장 높은 만족도를 보였다. 학부모의 시설 및 프로그램 운영에 대한 전체적인 만족도는 이용경험자 집단 중 가장 낮은 것으로 나타났다. 학부모들이 가장 높은 만족도를 나타낸 항목들은 다양한 직종의 체험 프로그램 제공, 수준별 내용구성, 정보 접근성 등의 순이었다. 이러한 연구결과에 근거하여 직업진로체험기관 및 프로그램 운영의 발전을 위해 프로그램 다양화, 강사 관리 중요성, 유기적인 네트워크 구축 등 실천적 시사점을 제공하였다. 마지막으로 본 연구는 향후 직업진로체험기관과 프로그램 운영을 위한 기초 자료를 제공한다는 점에서 의미를 가진다. The purpose of this study is to explore the direction for the development of vocational career experience institutions and experience programs through surveys on the satisfaction level of vocational career experience facilities and program operation. For the satisfaction survey, the final 17 questions were derived through literature analysis and expert advice. Based on this, the survey was conducted for a total of 1,312 students, parents, and teachers. As a result of the survey, first, students were generally highly satisfied with the operation of institutions and programs such as facility safety, information accessibility, and evaluation management. Second, as a result of the analysis for teachers, it was found that the overall satisfaction with the operation of the career experience institution and the program was higher than the other groups. According to the results on teacher’s group, the highest satisfaction was shown in facility safety, introduction of experience facilities, access to information related to program information and reservations, and provision of various occupations. Third, parents' overall satisfaction with the operation of institutions and programs was the lowest among the other groups. The items that parents showed higher satisfaction were in the order of providing experience programs for various occupations, content composition by level, access to information, and safety of facilities. Based on these findings, practical suggestions and limitations for the development of vocational career experience institutions and programs were discussed.

      • SCIESCOPUSKCI등재

        Comparison of implant stability measurements between a resonance frequency analysis device and a modified damping capacity analysis device: an in vitro study

        Lee, Jungwon,Pyo, Se-Wook,Cho, Hyun-Jae,An, Jung-Sub,Lee, Jae-Hyun,Koo, Ki-Tae,Lee, Yong-Moo Korean Academy of Periodontology 2020 Journal of Periodontal & Implant Science Vol.50 No.1

        Purpose: A stability-measuring device that utilizes damping capacity analysis (DCA) has recently been introduced in the field of dental implantology. This study aimed to evaluate the sensitivity and reliability of this device by measuring the implant stability of ex vivo samples in comparison with a resonance frequency analysis (RFA) device. Methods: Six implant beds were prepared in porcine ribs using 3 different drilling protocols to simulate various implant stability conditions. Thirty-six pork ribs and 216 bone-level implants measuring 10 mm in height were used. The implant beds were prepared using 1 of the following 3 drilling protocols: 10-mm drilling depth with a 3.5-mm-diameter twist drill, 5-mm drilling depth with a 4.0-mm-diameter twist drill, and 10-mm drilling depth with a 4.0-mm-diameter twist drill. The first 108 implants were external-connection implants 4.0 mm in diameter, while the other 108 implants were internal-connection implants 4.3 mm in diameter. The peak insertion torque (PIT) during implant placement, the stability values obtained with DCA and RFA devices after implant placement, and the peak removal torque (PRT) during implant removal were measured. Results: The intraclass correlation coefficients (ICCs) of the implant stability quotient (ISQ) results obtained using the RFA device at the medial, distal, ventral, and dorsal points were 0.997, 0.994, 0.994, and 0.998, respectively. The ICCs of the implant stability test (IST) results obtained using the DCA device at the corresponding locations were 0.972, 0.975, 0.974, and 0.976, respectively. Logarithmic relationships between PIT and IST, PIT and ISQ, PRT and IST, and PRT and ISQ were observed. The mean absolute difference between the ISQ and IST values on a Bland-Altman plot was -6.76 (-25.05 to 11.53, P<0.05). Conclusions: Within the limits of ex vivo studies, measurements made using the RFA and DCA devices were found to be correlated under a variety of stability conditions.

      • SCIESCOPUSKCI등재

        Efficacy of sonic-powered toothbrushes for plaque removal in patients with peri-implant mucositis

        Lee, Jungwon,Lim, Jong Heun,Lee, Jungeun,Kim, Sungtae,Koo, Ki-Tae,Seol, Yang-Jo,Ku, Young,Lee, Yong-Moo,Rhyu, In-Chul Korean Academy of Periodontology 2015 Journal of Periodontal & Implant Science Vol.45 No.2

        Purpose: The aim of this study was to evaluate the effectiveness of powered toothbrushes for plaque control in patients with peri-implant mucositis, in comparison with manual toothbrushes. Methods: This randomized, prospective, controlled, clinical parallel study compared the efficacy of manual and powered toothbrushes for plaque control in implant restorations. Patients with bleeding on probing, no residual pocket depth (as indicated by a pocket probing depth ${\geq}5mm$), and no radiological peri-implant bone loss were eligible for this study. Patients were requested to complete a questionnaire describing their oral hygiene habits. The duration and frequency of tooth brushing were recorded by subjects in order to assess their compliance. Clinical parameters, including the modified plaque index (mPI), the modified sulcus bleeding index (mSBI), and clinical photographs (buccal and lingual views) were recorded at baseline and at one-month and two-month follow-up visits. Results: Statistically significant differences between patients who used manual toothbrushes and those who used powered toothbrushes were found regarding the frequency of tooth brushing per day and the duration of brushing at one-month and two-month follow-up visits, while no statistically significant differences were found relating to other oral hygiene habits. A statistically significant difference in patient compliance for tooth brushing was found at one month, while no difference was found at two months. Statistically significant decreases in the mPI and the mSBI were observed in both groups from baseline to the one- and two-month follow-ups. The overall reduction of these parameters was not significantly different between the two groups, except for mPI reduction between baseline and one month of follow-up. Conclusions: Sonic-powered toothbrushes may be a useful device for plaque control in patients with peri-implant mucositis.

      • 실시간 운영체제를 위한 경량 네트워크 스택의 설계 및 구현

        이정원(Jungwon Lee),전상호(Sangho Jeon),이숭열(Soongyul Lee),이철훈(Cheolhoon Lee) 한국정보과학회 2006 한국정보과학회 학술발표논문집 Vol.33 No.1

        정보가전기기의 발전에 따라 인터넷과 퍼스널 컴퓨터 중심의 정보화는 이제 어느 장소, 어느 기기에서나 네트워크와 연결되어 사용자에게 서비스를 제공하는 유비쿼터스 시대로 접어들고 있다. 이러한 정보기기들은 기기에 특성화된 실시간 운영체제를 탑재하고 통신하게 되며, 한정된 자원을 가진 내장형 정보기기들을 위해 경량의 네트워크 스택을 적용해야 할 필요성이 있다. 본 논문에서는 실시간 운영체제상에 내장형 시스템용 경량 네트워크 스택을 설계 및 구현하였다.

      • 과학기술 ODA 융합 프로그램 기획연구

        이정원(Jungwon Lee),선인경(Inkyoung Sun),김왕동(Wangdong Kim),박병원(Byeongwon Park),임덕순(Deok Soon Yim),김기국(Kikook Kim),김지현(Jihyun Kim),이향희(Elly Hyanghee Lee),전병우(Byung Woo Jeon),이선아(Suna Lee),민지혜(Jeehye Min),이종일 과학기술정책연구원 2020 정책연구 Vol.- No.-

        The Korean government has introduced Official Development Assistance (ODA) Partnership Programs as part of efforts to increase the efficiency of ODA programs while addressing segmentations between grants and concessional ODA programs and projects. This research has significance in the development cooperation policy in Korea, given that the research addresses the confusion related to concepts and challenges regarding ODA Partnership Program, and it also provides policy recommendations to address such challenges. The research on the “Planning of ODA Partnership Program in STI” is conducted with two purposes: the first is to increase the effectiveness of Korea’s ODA programs and to revitalize integrated ODA programs, by analyzing the status and the challenges about current ODA integration policies and programs of the government. The second is to proactively respond to the demands of the Korean government in development cooperation policy and programs by providing planning cases of ODA partnership program in STI. The research consists of two parts: in the first part, the main challenges in ODA integrated policies and programs are identified through conducting in-depth interviews with practical experts from public agencies and universities in the development cooperation community. The research team also conducted a survey to further clarify the issues and to develop policy recommendations to address such challenges. Survey questions are elaborated on the basis of results of the in-depth interviews, and the survey was targeted the experts from implementing agencies of ODA projects and government officials from ODA related ministries. Based on the interview and survey results, policy recommendations for integrated ODA policy and programs are suggested. The second part is how to plan ODA Partnership Program in STI, which can be used by relevant ministries and implementing agencies of ODA projects. The research team developed a guideline for the planning of ODA Partnership Program in STI, which includes process and methodology for the program planning. Based on the guideline, pilot cases of ODA Partnership Programs in STI are developed targeting six countries such as Laos, Sri Lanka, Azerbaijan, Indonesia, Cambodia and Tunisia. The research emphasizes that partnership in STI ODA programs is one of the key policy directions in the development cooperation for the successful transition to the problem-solving ODA programs. With several findings and implications from reviewing challenges and limitations of the current policies regarding ODA Partnership Programs, the research provides policy recommendations about how to implement ODA Partnership Programs in an effective manner. The research also provides useful results for the practitioners of aid projects. The guideline in the research provides the procedures for planning an ODA Partnership Program from the perspective of practitioners. Another contribution of the research also can be found in the problem-solving oriented planning with a top-down approach and the systematic planning procedures for an ODA Partnership Program. The usefulness of the research can be found that pilot cases of ODA Partnership Programs are developed by applying the methodology for ODA Partnership Programs in STI. It is expected that the pilot programs are good references for the government and practitioners in the development and implementation of their future ODA Partnership Programs in STI.

      • 실시간 운영체제에서 효율적 메모리사용을 위한 심플 동적 로더 설계 및 구현

        이정원(Jungwon Lee),김용희(Yonghee Kim),이숭열(Soong-Yeol Lee),이철훈(Cheolhoon Lee) 한국정보과학회 2005 한국정보과학회 학술발표논문집 Vol.32 No.2

        일반적인 임베디드 환경에서는 정적으로 각 기능 요소들을 실행 이전에 미리 컴파일하여 사용하였다. 이 경우 자주 사용하지 않는 모듈도 모두 메모리에 로드되어 많은 용량의 메모리를 요구하게 된다. 따라서 한정된 메모리를 효율적으로 사용하여 시스템의 자원을 낭비하지 않기 위해 동적으로 실행시 필요한 모듈을 적재하여 사용하고 더 이상 사용하지 않는 라이브러리는 메모리로부터 제거하는 동적 라이브러리 로딩은 좋은 대안이 되고 있다. 본 논문에서는 실시간 운영체제 iRTOS 에 동적 로딩 기능을 적용하기 위해 Simple Dynamic Loader(심플 동적 로더)를 설계 및 구현하였다.

      • KCI등재

        Awareness during general anesthesia despite simultaneous bispectral index and end-tidal anesthetic gas concentration monitoring

        Lee, Jungwon,Park, Chorong,Kim, Saeyoung Yeungnam University College of Medicine 2019 Yeungnam University Journal of Medicine Vol.36 No.1

        Awareness during general anesthesia occurs in approximately 0.1-0.2% of cases; nevertheless, particular attention is required because it can lead to critical complications including insomnia, depression, anxiety, and post-traumatic stress disorder. To prevent these complications, bispectral index (BIS) and end-tidal anesthetic gas (ETAG) concentration monitoring are commonly used to examine patient consciousness during surgery. In the present case, an 80-year-old man was scheduled for total gastrectomy. Anesthesia was maintained using desflurane 4.0-5.0% vol, oxygen, and nitrous oxide. The authors simultaneously monitored BIS, which was maintained between 37 and 43, and ETAG, which was maintained between 0.9 and 1.2 minimum alveolar concentration (MAC). After the operation, however, the authors were surprised to learn that the patient complained of awareness during anesthesia. Although BIS and ETAG concentration monitoring are useful in preventing awareness during anesthesia, they cannot be completely trusted. Even though BIS was maintained at approximately 40 and ETAG at 0.7-1.3 MAC, awareness during anesthesia occurred.

      • SCISCIESCOPUS

        Sparse-view proton computed tomography using modulated proton beams : Sparse-view proton CT

        Lee, Jiseoc,Kim, Changhwan,Min, Byungjun,Kwak, Jungwon,Park, Seyjoon,Lee, Se Byeong,Park, Sungyong,Cho, Seungryong Published for the American Association of Physicis 2015 Medical physics Vol.42 No.2

        <P>Proton imaging that uses a modulated proton beam and an intensity detector allows a relatively fast image acquisition compared to the imaging approach based on a trajectory tracking detector. In addition, it requires a relatively simple implementation in a conventional proton therapy equipment. The model of geometric straight ray assumed in conventional computed tomography (CT) image reconstruction is however challenged by multiple-Coulomb scattering and energy straggling in the proton imaging. Radiation dose to the patient is another important issue that has to be taken care of for practical applications. In this work, the authors have investigated iterative image reconstructions after a deconvolution of the sparsely view-sampled data to address these issues in proton CT.</P>

      • Bilateral inhibition of HAUSP deubiquitinase by a viral interferon regulatory factor protein

        Lee, Hye-Ra,Choi, Won-Chan,Lee, Stacy,Hwang, Jungwon,Hwang, Eunha,Guchhait, Koushik,Haas, Juergen,Toth, Zsolt,Jeon, Young Ho,Oh, Tae-Kwang,Kim, Myung Hee,Jung, Jae U Nature Publishing Group, a division of Macmillan P 2011 Nature structural & molecular biology Vol.18 No.12

        Herpesvirus-associated ubiquitin-specific protease (HAUSP) regulates the stability of p53 and the p53-binding protein MDM2, implicating HAUSP as a therapeutic target for tuning p53-mediated antitumor activity. Here we report the structural analysis of HAUSP with Kaposi's sarcoma??associated herpesvirus viral interferon (IFN) regulatory factor 4 (vIRF4) and the discovery of two vIRF4-derived peptides, vif1 and vif2, as potent and selective HAUSP antagonists. This analysis reveals a bilateral belt-type interaction that results in inhibition of HAUSP. The vif1 peptide binds the HAUSP TRAF domain, competitively blocking substrate binding, whereas the vif2 peptide binds both the HAUSP TRAF and catalytic domains, robustly suppressing its deubiquitination activity. Peptide treatments comprehensively blocked HAUSP, leading to p53-dependent cell-cycle arrest and apoptosis in culture and to tumor regression in xenograft mouse model. Thus, the virus has developed a unique strategy to target the HAUSP??MDM2??p53 pathway, and these virus-derived short peptides represent biologically active HAUSP antagonists.

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