한강하구지역에서 월동하는 재두루미(Grus vipio)의 개체군 감소

이화수(Hwa-Su Lee),신주열(Ju-Yeol Shin),이시완(Si-Wan Lee),강태한(Tae-Han Kang),윤순영(Soon-Young Yoon),김정수(Jungsoo Kim) 한국조류학회II 2012 한국조류학회지 Vol.19 No.4

김포시와 고양시 일대의 한강하구 지역은 우리나라에서 재두루미의 가장 중요한 월동지 및 중간기착지로 알려져 있지만, 이 지역의 조류 서식환경은 심각한 개발압력과 인간의 간섭으로 인해 지속적으로 나빠지고 있다. 따라서 본 연구에서는 2007-2008년과 2011-2012년의 월동시기에 본 지역에 도래하는 재두루미를 대상으로 월동 개체군 크기 변화와 월동지역 내에서 과거와 현재의 취식지역 이용 현황 등을 조사하여 개발행위가 이들의 서식에 미치는 영향을 확인하였다. 본 지역에서 월동하는 재두루미 개체군은 평균 124.9개체(2007-2008년)에서 59.0개체(2011-2012년)로 감소하였으며, 주요 취식지역에서 확인된 개체수는 평균 77.7개체에서 24.1개체로 감소하여 월동개체군의 감소폭에 비해 주요 취식지역의 이용 개체수의 감소폭이 더 크게 나타났다. 유형별 분석에서는 가족군에 비해 무리군의 개체수가 많이 감소한 것으로 나타났으나, 홍도평 지역의 가족군 이용 개체수는 변화가 나타나지 않았다(Mann-Whitney test. Z=-0.26, p=0.979). 그리고 과거 다수의 재두루미가 주요 취식지역으로 이용하였던 송포동과 평동지역은 2012-2013년 조사에서는 거의 이용하지 않는 것으로 나타났다. 이는 위 지역의 개발행위(예: 제 2자유로 건설 등)와 깊은 연관성이 있는 것으로 생각된다. Han-river estuary in Gimpo and Goyang city is well known as one of the most important wintering and stopover sites for migrating White-naped Crane (Grus vipio) in Korea. Nowadays, habitat quality of this area is getting worse due to serious development pressure and high human disturbances. So, we wanted to know whether development actions affected total wintering population change in Han-river estuary and feeding group pattern of White-naped Crane in main feeding habitats between the 2007-2008 and 2011-2012 wintering period. Average wintering population was decreased 124.9 to 59.0 and population of main feeding site also decreased 77.7 to 24.1. But decrease rate of main feeding site population was higher than total wintering population. Non-family feeding population was more decrease than family feeding population in the flock type analysis. But family feeding population of Hongdopyong was maintained from past and present (Mann-Whitney test. Z=-0.26, p=0.979). However, almost all White-naped Crane din not use both feeding sites, Pyong-dong and Songpo-dong, where were deteriorated habitat quality by human act.

편측안면경련에 대한 미세혈관압술시 수술시야 확보를 위한 방법으로서 소뇌피질동맥 박리술 - 수 술 수 기 -

김범태,임수빈,장재칠,신윈한,최순관,변박장 대한신경외과학회 1998 Journal of Korean neurosurgical society Vol.27 No.11

PLD 박막의 물리적 성질

한용진,조봉균,정재훈,이수빈,박해윤,이태기,채희백,홍진수 순천향대학교 기초과학연구소 1998 순천향자연과학연구 논문집 Vol.4 No.2

Thin amorphous carbon films were deposited by a Q-switched Nd;YAG 532nm with beam power density of ?? on the high purity graphite (99.7%). The pressure of vacuum chamber was ?? Torr. In order to estimate the quality of the Pulsed Laser Deposition films one of the most important optical properties, bandgap energy, was characterized by transmission and reflection in the range of the visible, and an optical direct bandgap energy of 2.45eV and indirect bandgap energy 0.36eV were obtained. Surface morphology of amorphous film was investigated by AFM (Atomic Force Microscopy). Its surface roughness is 70nm. Comparing our results with the published values in the literature we have confidence that our films show the good quality for optical properties.

비전시스템을 이용한 인간형 축구로봇에 관한 연구

노수희;김한정;김용태 한경대학교 2007 論文集 Vol.39 No.-

In this paper a humanoid soccer robot using vision system is presented. Soccer robot has 23 degrees of freedom and consists of various sensors such as IR and CCD camera, a remote controller and bluetooth module for the wireless telecommunication. We propose a soccer algorithm of humanoid robot in the various environments. The soccer algorithm is designed based on image processing and path planning. We verify our approach on a developed small humanoid robot in an experimental environment. The experimental result shows that the humanoid soccer robot plays soccer with a stable walking.

Micrococcineae에 속하는 식물 연관 방선균

김태수,한지혜,김승범 충남대학교 생물공학연구소 2012 생물공학연구지 Vol.18 No.-

Candida albicans菌의 生育을 抑制하는 韓藥材 探索에 關한 硏究

성연수,한영환,이태균 동국대학교 경주대학 1995 東國論集 Vol.14 No.-

Thirty-six medicinal herbs and 14 prescribed herb medicines which have usually been used for treatment of reducing fever, purging intense heat, and detoxication were screened for antifungal activity against Candida albicans which causing Leukorrhea. Minimal inhibitory concentrations of water- and ethanol-soluble extracts of Hwangbaek (Phellodendron amurense) and Hwangkeum (Scutellaria baicalensis) were determined. The water-soluble extracts of Hwangyon (Coptis japonica), Hwangbaek (P. amurense), and Hwangkeum (S. baicalensis) showed antifungal activities against C. albicans. The water- and ethanol-soluble extracts of Hwangbaek (P. amurense) and Hwangkeum (S. baicalensis) showed antifungal activities. With the water-soluble extract of Hwangbaek (P. amurense) and Hwangkeum (S. baicalensis), minimal inhibitory concentrations (MICs) against C. albicans were 10 and 20㎎/ml, respectively. With the ethanol-soluble ones of Hwangbaek (P. amurense) and Hwangkeum (S. baicalensis), MICs were 5 ㎎/ml and 10 ㎎/ml, respectively. The prescribed herb medicines, sambohwan, showed antifungal activity against C. albicans.

고체발효기를 이용한 농산폐기물의 퇴비화에 따른 물리화학적 및 미생물상 변화

강태수,안문섭,한동준,이해승 도립 강원전문대학 1999 道立 江原專門大學 論文集 Vol.2 No.-

This study was performed to evaluate the composting process of agricultural wastes using the solid state fermentor at the general optimum composting conditions. The changes of physico-chemical and microbiological flora in the reactant during the composting time were investigated. The results were summarized as follows : From the results of proximate composition analysis of fermentation enzyme, the content of moisture, crude ash and total carbohydrate were 2.29, 67.57 and 22.69%, respectively. The number of thermophilic bacteria and actinomycetes in the enzyme were 2.6×10^(4) and 4.1×10^(5) respectively. During the composting time, the content of moisture in all wastes was decreased but acorn waste was not changed. The generation of maximum CO_(2) was in the range of 1,500∼10,000ppm after 12∼36hrs of composting time and then was gradually fallen. The C/N ratios of the Injin murgwort, arrow root and mushroom media waste were increased, but acorn waste was decreased. The contents of inorganic components(P_(2)O_(5), K_(2)O, CaO, and MgO) in the Injin murgwort, arrow root and mushroom media waste were a little decreased, but acorn and hole wastes were increased. The changes of thermophilic bacteria, in the Iniin-murgwort and arrow root waste showed big diversity while acorn and hof waste were slowly decreased. However the population number of thermophilic actinomycetes in the acorn waste was increased until for 24 hrs and then gradually decreased. The population number of thermophilic bacteria and actinomycetes showed not much difference.

고포도당이 백서 사구체 메산지움 배양세포에서 p38 MAPK 활성화 및 Fibronectin 생성에 미치는 영향

유태현 ( Yu Tae Hyeon ),허종호 ( Heo Jong Ho ),류동열 ( Lyu Dong Yeol ),김현욱 ( Kim Hyeon Ug ),이수현 ( Lee Su Hyeon ),김진주 ( Kim Jin Ju ),정동섭 ( Jeong Dong Seob ),최규헌 ( Choe Gyu Heon ),이호영 ( Lee Ho Yeong ),한대석 ( Han 대한신장학회 2003 Kidney Research and Clinical Practice Vol.22 No.5

목 적 : 고포도당으로 자극한 백서 메산지움 배양세포에서 p38 mitogen activated protein kinase (MAPK)의 활성화와 p38 MAPK의 상부와 하부인자로 알려져 있는 MAPK kinase 3/6 (MKK3/6)와 c-AMP responsive element binding protein (CREB)의 활성화, 그리고 fibronectin 합성을 자극 시간에 따라 관찰하고, p38 MAPK 경로와 fibronectin 합성 사이의 연관성을 규명함으로서 당뇨병성 신증의 병태생리를 규명하고자 하였다. 방 법 : 백서 메산지움 배양세포를 정상 포도당 (5.6 mM), 고포도당 (30 mM), 또는 정상 포도당+만니톨 (24.4 mM)로 자극한 후 첫째 p38 MAPK; 둘째 p38 MAPK의 상부 인자인 MKK3/6; 셋째 p38 MAPK의 하부인자인 CREB; 넷째 MAPK phosphatase-1 (MKP-1)의 변화를 자극 시간 (3분-48시간)에 따라 Western blot을 이용하여 관찰하였으며, 다섯째 fibronectin의 변화는 RT-PCR과 ELISA를 이용하여 확인하였다. 결 과 : 고포도당으로 자극한 백서 사구체 메산지움 배양세포에서 p38 MAPK 경로가 활성화 되었다. Total p38 MAPK 단백은 변화가 없었으나, 활성화된 phospho-p38 MAPK 단백은 고포도당군에서 자극 10분 후부터 정상 포도당군에 비해 의의있게 증가되었으며 (평균 1.9배), phospho-CREB 단백 역시 고포도당군에서 자극 10분 후부터 의미있게 증가되었다 (평균 2.5배). 이에 비해 p38 MAPK의 상부인자인 phospho-MKK3/6는 고포도당군에서 자극 3분 후부터 의의있게 증가되었다 (평균 2.4배). 또한, MKP-1 단백 발현은 고포도당군에서 p38 MAPK의 활성이 증가하기 시작한 시기와 동일한 시기 (자극 10분 후)부터 증가하기 시작하였다 (평균 1.9배). Fibronectin mRNA와 세포 배양액내 fibronectin은 고포도당군에서 자극 48시간 후에 각각 1.7배와 1.5배 증가되었으며, 이러한 증가는 p38 MAPK 억제제인 SB203580 (1 μM)에 의해 각각 73%와 69% 억제되었다. 결 론 : 고포도당으로 자극한 백서 사구체 메산지움 배양세포에서 p38 MAPK 경로의 활성화를 확인하였으며, p38 MAPK 억제제가 고포도당에 의한 fibronectin의 합성 증가를 억제시키는 것으로 보아 당뇨병성 신증에서 관찰되어지는 fibronectin의 축적에 p38 MAPK 경로가 관여할 것으로 생각된다. Background : The p38 mitogen-activated protein kinase (MAPK) pathway is activated by several stress factors, potentially leading to cellular apoptosis and growth. Little is known about the pattern of p38 MAPK pathway activation in mesangial cells under high glucose conditions. We examined the activity and expression of p38 MAPK members, 1x78 MAPK, MAPK kinase 3/6 (MKK3/6), c-AMP responsive element binding protein (CREE), and MAPK phosphatase-l (MKP-1) in cultured rnesangial cells exposed to high glucose. Methods : Mesangial cells were subcultured from rat glomeruli isolated by sieving technique. After serum restriction for 48 hours rnesangial cells were exposed to 5.6 mM glucose (low glucose, LG), 5.6 mM glucose+24.4 mM mannitol (LG+M), or 30 mM glucose (high glucose, HG) for 3 minutes to 48 hours with or without SU203580. Western blot was performed to determine the activity and protein expression of p38 MAPK members. R`I-I`CR and ELISA were performed for fibronectin mRNA expression and fibronectin synthesis, respectively. Results : p38 MAPK and CREB activities were significantly increased in rnesangial cells exposed to FIG compared with LG or LG+M after 10 minutes and was sustained at higher levels to 48 hours (p<0.05), but total p38 MAPK and CREB protein expressions did not differ. MKP--1 showed a similar pattern as p 3 MAPK and CREE (p<O.O.i). MKK3/6 acitvity was significantly higher in HG cells after 3 minutes and remained at higher levels throught the study period (p<0.05). Fibronectin mRNA expression and fibronectin synthesis were significantly increased in mesangial cells exposed to HG after 48 hours (p<0.05). SB203580 (1 pM) pretreatment for 1 hour significantly reduced HG-induced fibronectin mRNA expression and fibronectin synthesis by 73% and 69%, respectively (p<0.05). Conclusion : p38 MAPK activity was increased in mesangial cells exposed to HG in parallel with increased MKK3/6 activity, resulting in CREB activation and increased fibronectin synthesis. This activated p38 MAPK may play a role in the pathogenesis of diabetic nephropathy.

급성 간질성 신염과 동반된 신 실질 연반증

한인미,기연경,이은영,이충근,한승규,허수진,유태현 이화여자대학교 의과학연구소 2015 EMJ (Ewha medical journal) Vol.38 No.1

Malakoplakia is an uncommon chronic granulomatous inflammatory disease which is associated with immunocompromised conditions such as malignancy, autoimmune disease, chronic alcohol intake, poorly controlled diabetes and long-term steroid use. Malakoplakia can occur at various sites, most commonly in the genitourinary tract including urinary bladder and the ureter. Renal parenchymal involvement is relatively uncommon, accounting for 15% of all malakoplakia. A few cases of renal malakoplakia have been reported in Korea, and only one case was accompanied by acute kidney injury. Here we report an 80-year-old female patient with renal parenchymal malakoplakia and acute interstitial nephritis presented as acute kidney injury with literature review.

CITIS 지원 기술정보관리 시스템의 설계

정석찬,한태창,서범수,조장혁,주경준 한국경영과학회 1998 한국경영과학회 학술대회논문집 Vol.- No.1

CITIS(Contractor Integrated Technical Information Service) is a contractor's developed service to provide electronic access and/or delivery of contractually required information. CITIS satisfies one of the major CALS objectives to furnish a single-entry point for authorized access to contractor-generated Contract Data Requirement List(CDRL) data. A critical requirement for the practical implementation of the CITIS concept is the ability to access multiple existing heterogeneous databases in a fashion transparent to the CITIS user. In this paper, we will propose a prototype system model for CITIS, and discuss the system architecture of proposed CITIS system as a global information management system for distributed and heterogeneous local information systems. Furthermore, we will discuss about the required server module and using-scenario of proposed CITIS system.