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턴키공사 설계품질관리에 관한 연구(시공단계의 설계변경을 중심으로)
이용진,이택운,김진영,한충희,김선국,Lee Yong-Jin,Lee Teck-Wn,Kim Jin-Young,Han Choong-Hee,Kim Sun-Kuk 한국건설관리학회 2001 건설관리 : 한국건설관리학회 학회지 Vol.2 No.3
본 연구는 턴키공사의 문제점 가운데 설계변경에 있어 부실한 설계관리가 상당한 비중을 차지하고 있음에 착안하여, 당초의 설계물이 시공단계에서 설계변경을 초래하게 하는 제도적 문제점을 찾아보고, 현행 책임감리제도하에서 시공자가 수행하는 현장설계변경 절차를 ISO에서 권고하는 절차와 비교하여 그 개선 방안을 알아보고자 하였다. 설계변경상에서 나타나는 문제점으로는 첫째, 시공단계의 설계변경은 원 설계조직이 기술적 타당성, 전반적 완전성, 품질요건 등 사업 전체적 시각으로 검토하는 절차수립 및 이행이 요구되었으며, 둘째로 효율적인 설계관리를 위해서 사업의 조직 및 분장업무, 기술표준의 결정, 설계문서별 작성기준 등 설계계획 단계에서의 개선이 필요하며, 마지막으로 공동도급업체간 설계품질관리체계를 구축하여 설계정보의 공유, 사전검토, 확인 등으로 설계오류를 최소화하는 것이다. Turnkey project, also called Design-Build project, has been expanding and diversifying its business into the Korean market. However, it has been experiencing numerous difficulties due to a large number of change orders on the public turnkey project. Change order during the construction phase impact on time deliveries, budget and quality on a turnkey project. In preparation for this, the government has to improve the awarding procedure and general conditions for turnkey projects. Contractors should also cooperate with their co-working partners and establish a standardized procedure, which provides change order control for efficient implementation on the construction site.
고지방 식이 유발 비만에서 베타원 추출물이 지방세포 분화 억제에 미치는 영향
이용진,신한별,이미자,이미경,손영진,Lee, Yongjin,Shin, Han-Byeol,Lee, Mi-Ja,Lee, Mi-Kyung,Son, Young-Jin 한국생약학회 2022 생약학회지 Vol.53 No.3
Obesity is a disease in which an abnormally large amount of fat accumulates in the body. Various diseases such as type 2 diabetes, dyslipidemia, high blood pressure, fatty liver, gallbladder disease, and coronary artery disease are induced. In this study, we investigated the effect of betaone, a type of barley, on obesity suppression. After the betaone extract was treated with 3T3 L1 adipocytes, the effect on adipocyte formation was investigated through Oil Red O staining. It was observed that differentiation was inhibited without affecting the viability of 3T3 L1 adipocytes. The effect of betaone extract on obesity inhibition in a mouse model was investigated. As a result of administering betaone extract after a high-fat diet, it was confirmed that the level of blood sugar and body weight was decreased, and glucose uptake ability was improved in a glucose tolerance test. The formation of mouse adipose tissue was suppressed, and the expression of genes involved in the formation and degradation of obesity in liver tissue was improved. These results suggest that betaone extract is a useful substance for improving obesity and is an excellent material for health functional food.
RANKL에 의한 파골세포의 분화 억제에 대한 isorhamnetin의 효과
이용진(Yongjin Lee),진호림(Holim Jin),신윤아(Yoon-A Shin),이은영(Eun-Young Lee),남상집(Sang-Jip Nam),손영진(Young-Jin Son) 한국생약학회 2023 생약학회지 Vol.54 No.4
The elderly population is increasing worldwide. Osteoporosis, one of the diseases of the elderly, is a disease that occurs due to a decrease in bone density or changes in bone structure and strength. Osteoporosis mainly occurs in postmenopausal women and the elderly. In the treatment of osteoporosis, it is important to prevent bone loss and inhibit the formation of osteoclasts, which are involved in bone resorption. Research is needed to prevent and treat fractures caused by osteoporosis. In this study, we investigated the effect of isorhamnetin on RANKL-induced osteoclast differentiation. Isorhamnetin significantly inhibited osteoclast differentiation by effectively inhibiting transcription and translation of NFATc1, an essential component in the osteoclast differentiation process. Additionally, the mRNA expression of TRAP, DC-STAMP, and CTSK, genes related to osteoclast differentiation, was suppressed. Therefore, isorhamnetin has the potential to be used as a functional food and therapeutic agent for the treatment of osteoporosis.
바이오미미크리 개념을 통한 이동식 전시의 가변성에 대한 연구
이용진(Lee, Yong-Jin),윤상영(Yoon, Sang-Young),조경영(Cho, Kyoung-Young) 한국실내디자인학회 2011 한국실내디자인학회논문집 Vol.20 No.5
The world is suffered from severe environmental problems such as climate change and global warming due to radical industrialization after the Industrial Revolution. With advancement of science and information technologies, national borders have become meaningless. In this global trend, movable exhibition shall be supposed to pursue “Local in Global.” Thus, movable exhibition should get involved in an effort to find a cultural identity in the globalization and to better our position among the various cultures. As an alternative, movable exhibition can be established by combining biomimicry, which is biomimicry of life by imitating biological system, with Flexibility of movable space. By providing a hint to environmental problems and cultural uncertainty, this alternative will generate an advanced exhibition trend that is more environmental-friendly and more efficient. As a cumulative concept created by the nature for 3.8 billion years, biomimicry has evolved a lot more than the modern science. By catching this point, “A study on flexibility of movable exhibition through biomimicry notion” is providing a revolutionary paradigm stepping beyond the current exhibition trend, which pursues coexistence of human beings and the nature and, at the same time, introduces our culture.
이영미(Young-Mee Lee),이기종(Ki-Jong Lee),이용진(Yong-Jin Lee),안덕선(Duck-Sun Ahn) 한국의학교육학회 2000 Korean journal of medical education Vol.12 No.2
With the class of 2000, the College of Medicine at Korea University instituted a revised curriculum. The new revision combined the traditional, and discipline-oriented, curriculums into a newly integrated curriculum. The purpose of this study is to identify the problems of the newly introduced integrated lectures, and how to find ways to improve this curriculum. Overloaded lecture hours and content, insufficient functional integration between disciplines, unstructured handout, deficiency in reference material and lack of motivation were identified as problems for students. Most of the participants urged a more effective collaboration between the faculty members of individual disciplines. Basic and clinical disciplines must be integrated as thoroughly as possible to improve and stabilize the new curriculum. Also, overall lecture time should be diminished, thereby allowing students to actively pursue their own learning.
인면역결핍 바이러스 pol 유전자 염기서열 결정에 의한 지도부딘 ( ZDV ) 내성 돌연변이의 탐지
조영걸(Young Geol Jo),이희정(Hee Jung Lee),성흥섭(Heung Suk Sung),김유겸(Yoo Gyum Kim),김영봉(Young Bong Kim),이용진(Yong Jin Lee),김미정(Mi Jung Kim),김대곤(Dae Gon Kim),원영호(Young Ho Won),조군제(Goon Je Jo) 대한바이러스학회 1999 Journal of Bacteriology and Virology Vol.29 No.4
The nested polymerase chain reaction (PCR) assay was used to determine the sequences of reverse transcriptase (RT) codons 41, 67, 70, 210, 215 and 219 of human immunodeficiency virus-1 (HIV-1) pol gene. Template DNA was obtained from uncultured peripheral blood mononuclear cells from 27 Korean HIV-1 infected patients treated with ZDV and Korean red ginseng. The second PCRs were done for 2 separated regions (RT codons 13-98 and 152 259) with 5 ㎕ of the first PCR product. Nucleotide sequences were determined by direct sequencing. In the 27 patients, CD4+ cell count decreased from 230±117/㎕ to 152±162/㎕ for 46±26 months (Mo), and actual duration of ZDV intake was 27±16 Mo. In the 16 patients who had been treated with ZDV therapy ≥25 Mo, the incidences of 70R, 215F/Y, and 41L were 61%, 28% and 22%, respectively and those of 67N, 210W and 219Q were 17%. The incidences of 215F/Y were 6.7% for group ≤12 Mo treatment, 22.7% for group with 13 to 24 Mo, and 27.8% for group ≥25 Mo. There was no mutation in 9 patients. It might be associated with the interruption of ZDV therapy for more than 6 months in 6 patients. This study shows that the detection of mutation could be useful prognostic marker with other clinical and virological data, and very low mutation rate is dectected compared to overseas reports.
이상현(Lee Sang-Hyoun),이용진(Lee Yong-Jin),이상호(Lee Sang-Ho),이용수(Lee Young-Soo) 한국체육과학회 2002 한국체육과학회지 Vol.11 No.2
This study was aimed to compare the maximal fat oxidation exercise intensity(MFOEI) by physcal fitness(VO₂max and VT) and compare heart rate(HR), respiratory exchange ratio(HER), total kilocarolies per minute(Tkcal), and fat kilocarolies per minute(Fkcal) in this exercise intensity. Fifty one healthy young volunteers(33 men, 18 women) served as subjects after signing an informed consent form. Following an overnight fast, each subject completed stretching and tree minute warm-up at 3.0mph of speed and 10% of grade, followed by a maximal Bruce protocol treadmill test. Expired gases were collected and analyzed each one minute using Quinton metabolic cart. The MFOEI was defined as the intensity which resulted in maximal Fkcal as determined by converting VO₂ to Fkcal at each treadmill stage using RER and a Lusk table. MFOEIs as expressed %VO₂max(L/min) and %VT were not significantly difference between high VO₂max group and low VO₂max group while %VT was sigficnaltly higher in low VT group compared with high VT group, 78.1%VT and 70.5%VT, respectively(p<.05). Except for HR, the resultant of t-test for VO₂, RER, Tkcal, and Fkcal were significantly higher in high VO₂max group(p<.05). However, the percentage of fat oxidation at MFOEI was higher in low VO₂max groupn(high about 69.5%, low about 88.6%). This results may be supported the theory that physical fitness greatly influence on substrate utilization patterns during exercise. Thus, MFOEI which prescribe exercise intensity to weight control and loss is likely to be distinguish from physical fitness.