Ganglioside GM1 influences the proliferation rate of mouse induced pluripotent stem cells

( Jae-sung Ryu ),( Kyu-tae Chang ),( Ju-taek Lee ),( Malg-um Lim ),( Hyun-ki Min ),( Yoon-ju Na ),( Su-bin Lee ),( Gislain Moussavou ),( Sun-uk Kim ),( Ji-su Kim ),( Kinarm Ko ),( Kisung Ko ),( Kyung- 생화학분자생물학회(구 한국생화학분자생물학회) 2017 BMB Reports Vol.50 No.6

The ACKNOWLEDGEMENTS should be corrected as follows, "This research was supported by a grant (Code# PJ0074922012) from the Korean Rural Development Administration, and has been supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education Science and Technology (2010-0022316 and KCG5401011), and the KRIBB/KRCF Research Initiative Program (NAP), Korea. The published article in this journal was a part of the 2013 Doctoral thesis of Jae-Sung Ryu submitted to Wonkwang University, Korea." and not "This research was supported by a grant (Code# PJ0074922012) from the Korean Rural Development Administration, and has been supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education Science and Technology (2010-0022316 and KCG5401011), and the KRIBB/KRCF Research Initiative Program (NAP), Korea."

남북경협의 활성화의 전제로써 개성공단 전면중단으로 인한 손해의 전보 가능성에 대한 연구

박신욱 ( Shin-uk Park ),조재욱 ( Jae-wook Cho ) 한국법정책학회 2020 법과 정책연구 Vol.20 No.4

본 논문에서는 남북경협을 재개하기 위한 토대로서 북한에 대한 인식을 비롯한 현재의 상황을 적시하였으며, 남북경협의 필요성과 의의에 대해 확인하였다. 이와 더불어 과거 남북경협이 갖는 한계도 함께 지적하였다. 제도가 갖는 한계로서 소위 3통 문제뿐만 아니라 외부적 여건에 취약한 구조가 그것이다. 그러나 이러한 문제들뿐만 아니라 내부적 문제도 존재하고 있음을 확인하였다. 대표적으로 통치행위로 인한 남북경협이 중단될 수도 있다는 사실이다. 특히 개성공단의 전면적 중단의 상황에서 그 누구도 일정한 안정성과 예측가능성을 가지지 못하였다는 점은 우리 법률이 갖는 한계를 명확하게 보여준다. 이와 관련하여 논문에서는 위법한 통치행위의 경우, 단순히 “통치행위는 불법행위가 되지 않는다”라는 결론을 이끌 수는 없다는 점을 통치행위를 입법행위와 동치시키는 논리구조를 통하여 위헌인 법률로 인하여 국민의 기본권인 재산권 침해하였다면, 그에 따른 책임도 부담하여야 한다는 결론을 도출하기 위하여 노력하였다. 추가적으로 지난 5·24조치와 관련된 우리 대법원 2013다205389 판결에서 확인할 수 있는 바와는 달리 개성공단 전면 중단의 경우에는 개성공단에 진출해있는 모든 기업들의 가동중단과 철수를 포함하고 있다는 점을 지적하였다. 그렇기에 개성공단의 중단과 관련한 국가배상책임이 긍정될 수 있는 가능성이 있다고 판단하였다. 긴급명령과 같은 수단은 최후적인 방법이 되어야 한다. 그렇기 때문에 3통의 문제를 해결하기 위한 입법적 방법과 함께 발생되어서는 안 되겠지만, 발생할 수도 있는 향후의 경협중단과 관련된 일련의 절차를 법률화하는 것 역시 향후 남북경협의 활성화의 전제가 될 것이다. All Koreans will have a consensus on peace on the Korean Peninsula. However, there is still a negative view on the inter-Korean economic cooperation. This view leads to the denial of the justification itself in promoting inter-Korean economic cooperation. However, the Moon Jae-in administration has declared that it will maintain its independent inter-Korean cooperation policy within the framework of international sanctions against North Korea. From the perspective of the theory of peace economy, it is clear that the promotion of economic cooperation provides an important engine for peace. This is because if the inter-Korean economic cooperation expands, the negative variables from “North Korea risk” will decrease and be suppressed to a minimum. In addition, through inter-Korean economic cooperation, North Koreans will learn directly or indirectly about capitalist economic logic, and can play a major role in correcting their distorted perceptions of South Korean society. However, it is time to discuss the effectiveness of these laws with the Kaesong Industrial Complex shutdown in 2016. In particular, the impact of the Kaesong Industrial Complex shutdown in 2016 was attributable to the decision of the Korean government. Based on this necessity, the thesis confirmed the necessity, significance, and limitations of the inter-Korean economic cooperation, and dealt with who should bear the responsibility for damages caused by the total suspension of the Kaesong Industrial Complex as a guarantee for the stability of the inter-Korean economic cooperation.

근로자의 화학물질 노출관련 기록 보존에 관한 연구

오상민 ( Sang Min Oh ),박동욱 ( Dong Uk Park ),유성재 ( Seoung Jae Yu ),정진우 ( Jin Woo Jung ),임경택 ( Kyung Taek Lim ),이재환 ( Jae Hwan Lee ),하권철 ( Kwon Chul Ha ) 한국산업위생학회 2013 한국산업보건학회지 Vol.23 No.4

Objectives: Employee exposure record refers to a record containing information about environmental(workplace) monitoring or measuring of a toxic substance or harmful physical agent. The aims of this study were to examine problems related to exposure records and provide some amendments to the Korean Industrial Safety & Health Act for the effective management of chemical substances under the law. Methods: This study performed a literature search and review on legal provisions related to exposure records of a number of different countries, including Korea, the USA, Japan, EU, Germany, and the UK. They were compared and investigated and the amendment of articles was suggested. Results: The results of this study were provided as suggested amendments to the related act. There were a variety of ways of improvement, including a 30-year retention period and the introduction of new access methods, contents, transfer, and maintenance methods. All exposure data elements have to be standardized, including reference to a similar exposure group(SEG), sampling strategy, and circumstances of exposure(e.g., date, shift length, use of personal protective equipment, etc.). The SEGs are described by process, job, task, and environmental agent. Conclusions: This study is expected to provide for the amendment of the related act in order to ensure effective management of exposure records and is helpful for solving the cause and result of occupational disease by keeping exposure records according to the Industrial Safety & Health Act.

조기 대장암

이재범,박영진,박군주,김선회,박재갑,이건욱,박용현,최국진,김진복 대한대장항문학회 1998 Annals of Coloproctolgy Vol.14 No.3

상의성 낭종 4례

문재곤,김기욱,김한규 대한신경외과학회 1999 Journal of Korean neurosurgical society Vol.28 No.9

고신뢰화 시스템의 최적설계에 관한 연구

이재욱 東西大學校 2000 동서논문집 Vol.6 No.-

In order to achieve high system reliability, it is necessary to consider the following problem (1) The SRO(system reliability optimization) with redundant units and design alternative. (2) The SRO with several failure modes at each subsystem. (3) The SRO with considering of availability. (4) The SRO with imperfect fault detecting switching devices. These problems are formulated as nonlinear integer programming problems. They are more difficult to solve than general nonlinear problems because their solutions must be integers. This paper showed that SRO problem with several failure modes, redundant units and alternative design at each subsystem can be treated as efficient algorithms which have been quite successfully applied to optimization problem. We demonstrated the optimal allocation of redundant units and selection of alternative design for a reliable system by using the proposed algorithm. This algorithm is superior to others in application to the nonlinear problem with multiple constraints.

도서지역 특기적성교육 운영실태와 개선방안에 관한 연구

이재화,정회욱 木浦大學校敎育硏究所 2005 교육연구 Vol.18 No.-

본 연구는 정규 학교수업이 끝난 후에 비어 있는 학교의 시설과 공간을 활용하여 학생들의 소질과 적성을 계발하고 잠재력을 발연시키는 다양하고 흥미 있는 특기·적성교육의 운영 실태 파악과 개선 방안을 제시하는데 의의가 있다. 이러한 연구목적을 달성하기 위하여 구체적으로 특기·적성교육목적 및 필요성의 실현정도, 특기·적성교육의 내용과 방법, 특기·적성교육의 지도교사 운영, 특기·적성교육의 효과 및 평가 영역에 관한 내용을 전남 서남부 도서지역을 대상으로 146명의 중학교 교사로 부터 설문조사를 실시하였다. 자료 분석 결과를 요약하면 다음과 같다. 첫째, 특기적성교육의 필요성과 목적으로 대부분의 교사들이 필요하며 특기지도라고 응답했다. 둘째. 특기·적성교육의 내용 선정은 학생과 학부모의 요구가 높게 반영되고 교육방안에 대해서는 실험실 습식 교육이 적당하며 교과관련 영역이 포함되어있다고 응답했다. 셋째, 지도교사가 느끼는 가장 큰 애로사항에 대해서는 전문성 부족이 높게 나타났는데 성별에서는 남교사가, 교육경력별에서는 11년 이상 된 교사들이 더 전문성 부족을 이유로 들었다. 넷째, 특기·적성교육의 전반적인 효과가 있고 특기신장 목표영역이 높게 나타났다. 이러한 연구 결과에 비추어 볼 때, 특기·적성교육의 본래의 목적과 취지에는 충분히 공감하면서도 현실적으로 역부족인 부분을 활성화시키기 위해서는 교과관련과 비교과 관련 특기·적성 교육활동에 필요한 교육시설 등의 교육여건을 구비해야 하며, 학부모의 평가 및 참여를 유도해야 한다. 또한 교사의 업무 부담 경감과 학생의 특기·적성 교육활동에 적극적·자발적 참여를 유도하고, 다양한 방과 후 교육프로그램을 개설하고 자질 있는 강사를 확보하기 위해서도 특기·적성 교육활동에 필요한 운영비는 지원을 확대해야 한다. This study is worth analyzing practices of special Ability and Aptitude Education in the islands area and suggesting their improvements in order that they are firmly established in this area. For the purpose of this study, the author was investigated for teachers in the 25 middle schools located in the southwest islands of Cheonnam province(Shinan, Chindo, Wando) Measuring tool is a questionnaire, which is composed of accomplishment degree of its necessity and the purpose of special ability and Aptitude Education, its contents and method, management of the teachers in the charge of it, its effect and evaluation. The results are as following. First, special ability and aptitude promoting in each school be managed for students' capability development as its original purposes, and in order to manage the carious programs students and their parents demand, and th reduce private tuition fee, each school must manage higher level education. Above all for maintaining this, parents' trust in the special Ability and aptitude must go ahead. Second, each school need teach individually through level management or supplementary·advanced class and draw up curricular for developing students' creativity and variety. We are suffering from the lack of carious programs and teachers in charge that parents demand, but we will be able to expect more educational rising efficiency of we use human·material resources of the community much better. Third, school authorities should select able inner teachers and outer part-time teachers in change of special ability and Aptitude. Especially in the islands area school must prepare for the management method reflecting in the lack of human resources and some reaching problems according to long distance, the lack of teachers results in less fee than the other areas. Fourth, school authorities should try to regain the confidence in the public education through the special ability and Aptitude Education. For this, each school should offer teachers chances to train for them selves and evaluate in many ways like opening their classes and presenting their cases and connect with the festivals of teenagers. And each school need th evaluate it frequently and give a feedback so as to reflect the results of all the evaluations in the next term management of special ability and Aptitude Education.

소음 특수건강진단 1차검사의 민감도와 특이도에 미치는 일과성 역치 상승과 주변환경 소음의 영향

원종욱,방문규,송중호,정선아,송재석,노재훈 대한산업의학회 2000 대한직업환경의학회지 Vol.12 No.2

Object : This study was performed to increase the sensitivity and specificity for screening the examinee of second hearing test. Methods : Study subjects were 219 workers who exposed more than average 80dB. They were taken the hearing test two times, before noose exposure and at 1 hour to 4 hours after worksite noise exposure. To investigate the ambient noise workers who were taken the hearing test in the test room which ambient noise was less than 45dB were classified Group I and the others were classified Group II . To calculate the sensitivity and specificity we made it gold standard whether worker had noise induced hearing loss. Results : Difference of hearing loss between before and after noise exposure for left and right ear was 11.4 dB and 11.7 dB respectively at 500 Hz, 8.7 dB and 9.6 dB at 1,000 Hz, 6.3 dB and 6.9 dB at 2,000 Hz and 6.9 dB and 7.4 dB at 4,000 Hz In Group I. That for left ear and right ear was 5.8 dB and 4.9 dB at 500 Hz respectively, 5.4 dB and 6.4 dB at 1,000 Hz, 6.3 dB and 5.3 dB at 2,000 Hz, and 5.5 dB and 5.8 dB at 4,000 Hz in Group II. The sensitivity was 100 in both Groups and the specificity was increased to 58.3 and 71.8 in Group I and Group II respectively until 10 dB was deducted from hearing level at 1,000 Hz and 4,000 Hz. Conclusion : When the screening hearing test was performed at worksite, we might deduct 10 dB from measured hearing level to increase the specificity without reduction of sensitivity.

IMF 체제하의 금융기관 경영전략에 관한 연구

길재욱 漢陽大學校 産業經營硏究所 1998 産業經營硏究 Vol.10 No.-

이온성 액체를 함유한 고분자 전해질의 전기화학적 특성

최재원,김진규,김종욱,안주현 한국공업화학회 2004 응용화학 Vol.8 No.2

Ionic liquids have being investigated for many applications including reaction solvent, separation medium, and electrolytes of supercapacitor and solar cell. Since ionic liquids are liquids which are entirely composed of ions, they can have high ionic conductivity. They are also non-volatile and non-flammable, and exist as liquid state over a wide range of temperature compared with organic solvents commercially used. Therefore, when they can be used as electrolytes, it can make more safe battery than commercial one. In this study, a series of ionic liquids was synthesized and ionic liquids were soaked into microporous P(VdF-HFP) membrane, the polymer electrolytes were also prepared. Microporous membrane was prepared by phase inversion method. Their thermal stability was preformed by TGA and their electrochemical properties were evaluated with ionic conductivity, electrochemical stability and cyclic voltammogram.