새터민의 기초직업능력 진단

이찬,이용환,이윤조,신재호,홍윤선,최홍주 한국농업교육학회 2007 농업교육과 인적자원개발 Vol.39 No.3

이 연구는 새터민의 고용현황 및 문제점을 고찰하고 새터민의 기초직업능력을 진단하여 직업능력개발 방향에 있어 시사점을 제공하는데 그 목적이 있었다. 새터민의 기초직업능력 진단을 위한 도구는 관련 문헌 고찰과 pilot test 및 새터민 교육ㆍ지원 담당자의 안면타당도 검증 등을 통하여 개발되었다. 연구의 목적을 달성하기 위하여 현재 하나원에서 사회 적응교육 및 직업교육을 받고 있는 새터민의 기초직업능력을 진단함으로써 우리나라에 거주하는 새터민의 기초직업능력을 파악하였다. 주요 결과는 다음과 같다. 첫째,새터민들의 기초직업능력 중에서 직업윤리능력은 상당히 갖추어져 있는 것으로 인식하고 있으며,정보능력,즉 컴퓨터 사용능력은 상대적으로 낮은 수준으로 평가하고 있다. 둘째,성별에 따라서는 기초직업능력에 있어서 통계적으로 유의미한 차이를 보이지 않았다. 연령에 따라서는 정보능력과 수리 능력,조직이해능력 영역에 있어서 통계적으로 유의미한 차이를 보였다. 셋째,학력에 따라서는 문제해결능력과 의사소통능력,수리능력,대인관계 영역에 있어서 통계적으로 유의미한 차이를 보였다. 넷째,새터민의 취업을 위한 기초직업능력 개발에 있어 정보능력,수리능력,의사소통능력의 비중 확대,수준별ㆍ맞춤형 교육프로그램개발,새터민을 위한 취업 및 사업정보 제공 등을 제시하였다. The purpose of this study was to explore the current employment status and HRD issues of North Korean refugees and to assess their level of the basic vocational competencies. The assessment tool for the basic vocational competencies was developed based on literature reviews and pilot tests from the North Korean refugees. The face validity was verified by educators and counselors for the North Korean refugees. The major findings in this study were as follows: First, among the basic vocational competencies of the North Korean refugees, the level of vocational ethics was the highest and the level of information teachnology competency was the lowest. Second, the North Korean refugees' basic vocational competencies showed no statistical differences by gender. Territories of information competency, mathematical competency, and communication competency showed statistical differences by age. Third, territories of problem-solving competency, communication competency, mathematical competency, mathematical competency, and communication competency showed statistical differences by education level. Fourth, to develop the basic vocational competencies for North Korean refugees, the following suggestions were presented.; 1) extend the importance of information technology, mathematical, and communication competencies,; 2) develop the customized training programs by competency level,; and 3) offer the employment information for North Korean refugees.

SEAWEED EXTRACTS AS A POTENTIAL TOOL FOR THE ATTENUATION OF OXIDATIVE DAMAGE IN OBESITY‐RELATED PATHOLOGIES

Lee, Ok‐,Hwan,Yoon, Kye‐,Yoon,Kim, Kui‐,Jin,You, SangGuan,Lee, Boo‐,Yong Blackwell Publishing Ltd 2011 Journal of phycology Vol.47 No.3

<P>Recent studies suggest that seaweed extracts are a significant source of bioactive compounds comparable to the dietary phytochemicals such as onion and tea extracts. The exploration of natural antioxidants that attenuate oxidative damage is important for developing strategies to treat obesity‐related pathologies. The objective of this study was to screen the effects of seaweed extracts of 49 species on adipocyte differentiation and reactive oxygen species (ROS) production during the adipogenesis in 3T3‐L1 adipocytes, and to investigate their total phenol contents and 2,2‐diphenyl‐1‐picrylhydrazyl (DPPH) radical scavenging activities. Our results show that high total phenol contents were observed in the extracts of <I>Ecklonia cava</I> (see Table?1 for taxonomic authors) (681.1 ± 16.0 μg gallic acid equivalents [GAE] · g<SUP>−1</SUP>), <I>Dictyopteris undulata</I> (641.3 ± 70.7 μg GAE · g<SUP>−1</SUP>), and <I>Laurencia intermedia</I> (560.9 ± 48.1 μg GAE · g<SUP>−1</SUP>). In addition, DPPH radical scavenging activities were markedly higher in <I>Sargassum macrocarpum</I> (60.2%), <I>Polysiphonia morrowii</I> (55.0%), and <I>Ishige okamurae</I> (52.9%) than those of other seaweed extracts (<I>P </I><<I> </I>0.05). Moreover, treatment with several seaweed extracts including <I>D. undulata</I>, <I>Sargassum micracanthum</I>, <I>Chondrus ocellatus</I>, <I>Gelidium amansii</I>, <I>Gracilaria verrucosa</I>, and <I>Grateloupia lanceolata</I> significantly inhibited adipocyte differentiation and ROS production during differentiation of 3T3‐L1 preadipocytes. Furthermore, the production of ROS was positively correlated with lipid accumulation (<I>R</I><SUP>2</SUP> = 0.8149). According to these preliminary results, some of the seaweed extracts can inhibit ROS generation, which may protect against oxidative stress that is linked to obesity. Further studies are required to determine the molecular mechanism between the verified seaweeds and ROS, and the resulting effects on obesity.</P><tabular xml:id='t1'><P><B>  List of Korean seaweed extracts of 49 species evaluated in this experiment. </B></P><table frame='topbot'><tgroup cols='5' align='left'><colspec colname='col1' colnum='1'/><colspec colname='col2' colnum='2'/><colspec colname='col3' colnum='3'/><colspec colname='col4' colnum='4'/><colspec colname='col5' colnum='5'/><thead valign='bottom'><row rowsep='1'><entry>Type</entry><entry>No.</entry><entry align='center'>Scientific name</entry><entry align='center'>Collection time</entry><entry>TP<SUP>1</SUP> (μg GAE · g<SUP>−1</SUP>)</entry></row></thead><tbody valign='top'><row><entry morerows='27' valign='top'>Brown macroalgae</entry><entry>SE‐1</entry><entry> <I>Chondracanthus tenellus</I> (Harv.) Hommers.</entry><entry>April 27, 2006</entry><entry>112.8 ± 15.1<SUP>lm</SUP></entry></row><row><entry>SE‐2</entry><entry> <I>Colpomenia sinusa</I> (F. C. Mertens ex Roth) Derbes et Solier in Castagne</entry><entry>May 11, 2006</entry><entry>44.0 ± 4.1<SUP>opqrs</SUP></entry></row><row><entry>SE‐3</entry><entry> <I>Dictyopteris divaricata</I> (Okamura) Okamura</entry><entry>April 6, 2006</entry><entry>41.5 ± 5.6<SUP>pqrs</SUP></entry></row><row><entry>SE‐4</entry><entry> <I>Dictyopteris pacifica</I> (Yendo) I. K. Hwang, H.‐S. Kim et W. J. Lee</entry><entry>April 27, 2006</entry><entry>80.9 ± 8.3<SUP>mno</SUP></entry></row><row><entry>SE‐5</entry><entry> <I>Dictyopteris prolifera</I> (Okamura) Okamura</entry><entry>November 26, 2007</entry><entry>48.4 ± 3.0<SUP>nopqrs</SUP></entry></row><row><entry>SE‐6</entry><entry> <I>Dictyopteris undulata</I> Holmes</entry><entry>July 28, 2007</entry><e

혈액투석중인 만성신부전 환자에서 골대사 지표로써의 Osteocalcin치

송치운,이진홍,안미애,윤환중,윤상임,성기양,이강현,송민호,이강욱,신영태,김영건,노흥규 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.2

Background : Serum osteocalcin is synthesized by osteoblast and has been shown to be sensitive indicator of bone turnover inpatients with various metabolic bone disease. In renal osteodystrophy, serum osteocalcin is elevated due to decreased renal clearance and elevated level of PTH. This study was done to evaluate the usefulness of serum osteocalcin as a marker of bone metabolism and the correlation with other biochemical markers of bone metabolism. Methods : We measured serum osteocalcin, calcium, phosphorus, ALP(alkaline phosphatase) and PTH(parathyroid hormone) in 37 patients with end stage renal disease on hemodialysis. Osteocalcin was determined by radioimmunoassay and PTH was determined by radioimmunometric assay. Results : 1) The mean level of serum osteocalcin in ESRD patients was 233.8± 218.2ng/ml which was significantly higher than that of controls(p<0.0001). 2) The mean level of serum PTH in ESRD patients was 40.5± 43.8pg/ml was significantly higher than that of controls(p<0.005). 3) There was a significant positive correlation between the level of serum PTH, ALP and the level of serum osteocalcin in ESRD patients. 4) By using multiple regression, PTH is most reliable factor that affect to elevated level of serum osteocalcin ( beta coefficient = 0.687, Sig T<0.05). Conclusion : Serum osteocalcin as a marker of bone metabolism in ESRD patients is more useful than other biochemical marker such as serum calcium, phosphorus, ALP and PTH is a most reliable factor that affect to elevated level of serum osteocalin.

서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)

김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2

Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.

두가지 혈류 유발방법에 의한 새로운 심폐소생술(이중 혈류 유발 심폐소생술)장치의 개발

황성오,김현,조준휘,오범진,임종천,최경훈,윤정한,이승환,김영식,이강현,이윤선 大韓應急醫學會 1999 대한응급의학회지 Vol.10 No.2

Background: There have been many efforts to augment blood flow during cardiopulmonary resuscitation. These efforts have focused on maximizing the effect of cardiac pump or thoracic pump alone. However, considering that the heart is the biggest blood reservoir and increase of intrathoracic pressure can generate blood flow, simultaneous exploitation of both mechanisms may have synergistic effect. We hypothesized that simultaneous chest constriction in addition to sternal compression by standard CPR may have additive hemodynamic effects by preventing deformation of the chest and increase of intrathoracic pressure. Methods and results: we built a new mechanical device to perform compression and thoracic constriction simultaneously. The device consists of two main elements. Piston in the center is to depress the sternum. Strap is to constrict the thorax circumferentially. Strap is attached to both sides of the piston. When the piston is pushed down, it depresses the sternum and pulls on the thoracic strap. To determine strap width to produce optimal hemodynamic effect, we measured hemodynamic parameters with variable widths of strap in two dogs after induction of ventricular fibrillation. Result of the experiment showed that 10cm wide strap was determined to be most effective. We also determined optimal depth of compression to produce maximal hemodynamic effect with animal experiments using two dogs. Animal experiments showed that the highest aortic pressure could be generated when the stemum was depressed to 5 cm. Cardiopulmonary resusciation using a new device could generate higher systolic aortic pressure, coronary perfusion pressure and end-tidal carbon dioxide tension in comparison with standard cardiopulmonary resuscitation in a pilot animal study using two dogs. Conclusion: New cardiopulmonary resuscitation method using a mechanical device designed by us could perform sternal compression and simultaneous thoracic constriction, and generate better hemodynamic effects than standard cardiopulmonary resuscitation in pilot animal experiments.

개량된 초임계수 산화법에 의한 염소계 유기물 (PCB, 4-DCBz)의 완전분해반응

이상환,박기철,박윤열,양종규,김정성,富安博 한국환경과학회 2005 한국환경과학회지 Vol.14 No.5

For the destruction of toxic chlorinated organic compounds, this study proposes improved supercritical water oxidation method (multistep oxidation) using sodium nitrate as an oxidizer. This method solves the problems involved in the existing supercritical water oxidation method. Multistep oxidation means that NaNO₃ is oxidized to N₂ via NaNO₂ and NO. Toxic and hard to destroy organic substances like para-dichlorobenzen(4-DCBz), polychlorinate biphenyl(PCB) ware oxidized to non toxic substances in a condition, in which rapid pressure and temperature rise is restrained as much as possible. 4-dichlorobenzene(4-DCBz) and Polychlorinate biphenyl(PCB) in condition(450℃, p_(w)=0.25g/cm³, 30min) Was discomposed perfectly.

근사화에 의한 조건부청구권 가치평가 방법에 관한 연구

이종환,이윤구 한밭대학교 산업과학기술연구소 1997 논문집 Vol.4 No.-

The purpose of this study is to provide numerical methods to approximate the value of contingent claims when analytic solutions do not exist. The primary focus of this study is on the Monte Carlo simulation, binomial tree approach, and finite difference method generally applied to one-dimensional, lognormal-diffusion option valuation problems. However, these methods can be generalized to pricing corporate liabilities, and also to certain aspects of problems involving multiple stochastic variables.

대장암에서 Glucose Transporter Gene의 발현

이석환,박재훈,김윤화,오수명,윤충,주흥재,이기형 대한대장항문학회 2000 Annals of Coloproctolgy Vol.16 No.2

Microwave Energy를 이용한 오염토양에서 Phenol의 추출

이기환,이태호,김윤아 한국환경과학회 2003 한국환경과학회지 Vol.12 No.4

This study was carried out to develop an efficient process for the elimination of phenol pollutant from soils. An microwave-assisted process(MAP) and a conventional Soxhlet extraction method(SEM) were employed to extract phenol from two types of soils. The effects of extraction methods, aged time of the spiked soil samples, extraction solvent and extraction time on the extraction performance were compared. Our results demonstrate that the recoveries from standard soil spiked were at least 10% higher for MAP than those for the conventional Soxhlet. The extraction time by MAP requires significantly shorter time(1 min) than 18 h of the conventional Soxhlet. The recoveries from non-contaminated soil spiked with phenol were also almost identical for above results. The reduction of the extraction times with efficiency higher than that afforded by the conventional Soxhlet technique supports the suitability of the MAP method.

위험도 정보 활용을 위한 화재 PSA 방법론 개선 연구 현황

이윤환,양준언 한국화재소방학회 2003 한국화재소방학회논문지 Vol.17 No.1

본 논문에서는 현재 세계적으로 사용되고 있는 화재 PSA 방법론을 살펴보고 화재방호를 목적으로 위험도 정보를 이용할 시 요구되는 방법론의 개선 사항을 파악하였다. 화재 PSA의 결과 및 이를 통한 통찰(insight)은 의사 결정을 하는데 완전한 기술적인 근거라 하기 보다는 위험도 정보를 활용한 의사 결정 과정의 일부로서 사용될 수 있으며, 화재 PSA 결과의 적용 분야와 적용 수준은 PSA에서 사용된 모델의 정확성과 타당성에 좌우된다고 할 수 있다. 따라서 화재 PSA의 유용성은 많은 분야의 연구와 개발을 통해 현재 기술 수준 증진에 따라 확대될 것이며, 그에 따라 더 일관성 있는 결과를 낳게 될 것으로 판단한다. In this paper, many vulnerable areas of the present fire PSA methodology were revealed to apply risk-informed fire protection to nuclear power plants. The results and insights from the fire PSA should be used as part of a risk-informed decision making process rather than the complete technical basis for decision making. The degree of support and scope of applications is dependent on the accuracy and validity of the model used in the fire PSA. Accordingly, the usefulness of the fire PSA will increase as ongoing research and development efforts lead to improvements in the state of the art technology, and as improvements in implementation of the state of the art technology lead to more consistent results.