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손종렬,배은상,김영환,문경환 高麗大學校 倂設 保健大學 保健科學硏究所 1998 保健科學論集 Vol.24 No.1
This study was carried out to investigate on the generation and composition of municipal waste in north area of Seoul. The results was as follows: 1. The generation and composition of municipal waste was investigated foods> papers> glasses> plastics> metals(cans)> textiles> leaches> woods> ashes> rubbers> ceramics> leathers in residential area, that was investigated papers> foods> plastics> glasses(bottles)> textiles> metals> ashes> leaches> rubbers> ceramics> leathers in nonresidential area. 2. The recycling generation of municipal waste was investigated papers> glasses> plastics> metals> textiles> woods in residential and nonresidential areas. 3. The three components(water, combustion & ash) was analysed in each composition of municipal waste for the deciding treatment methods of waste in residential and nonresidential areas. The water component of each composition was analysed foods> papers> woods> textiles> rubbers > ashes in residential area, which analysed foods> papers> ashes> woods> textiles> rubbers in nonresidential area. The combustible component was analysed plastics> textiles> woods> rubbers>papers in residential and nonresidential area. The ash component was analysed nonferrous metals> ferrous metals> ceramics> ashes in residential area, that was analysed ceramics> ferrous metals> nonferrous metals> ashes in nonresidential area. Conclusively, in order to treat municipal waste the separated collection system should be systematically performed, the next improvable proposal of the detailed methods should be prepared.
이은영,장태원,정만홍,옥철호,이규원,손창배,이지숙,신은경,서정아,백종현,김영옥 고신대학교의과대학 2007 고신대학교 의과대학 학술지 Vol.22 No.2
Actinomycosis is a chronic suppurative infection, whitch infiltrates mucosa-associated tissues. Thoracic, pelvic and cervicofacial infections of actinomyces are not uncommon, but endobronchial actinomycosis is rarely reported. We report a case of a 29 year old man who presented with a recurrent pneumonia and chronic cough. Fiberoptic bronchoscopy revealed occlusion of the right. lower medio-basal segment bronchus with exophytic endobronchial mass. The diagnosis was confirmed histologically by demonstration of sulfur granules in the bronchoscopic biopsy of the mass. Intravenous administration of amoxacillin and clindamycin followed by oral amoxacillin and clindamycin therapy resulted in complete recovery.
일부 수영장 욕수 및 이용객 urine내 Trihalomethane 농도
문경환,손종렬,김영환,변상훈,배은상 高麗大學校 倂設 保健大學 保健科學硏究所 1998 保健科學論集 Vol.24 No.1
Chlorination of swimming pool water leads to many chlorinated products. The most frequent derivative is trihalomethane(THMs). This study was performed to investigate the distribution of THMs in swimming pool water and ambient air, and to determine whether THMs concentrations in swimmers' urine Were influenced significantly after swimming. Water samples were collected from 22 indoor and outdoor swimming pools. Concentrations of THMs in swimmers' urine determined before and after their stay in swimming pools. Results of the study as follows. 1. The concentrations of THMs in the indoor swimming pools water(41.85±73.22㎍/L) were significantly increased(p<0.05) in comparison with that of outdoor swimming pools (10.15±15.45㎍/L). The average concentration of THMs in indoor ambient was 51.2㎍/㎥, which was significantly higher than that of air quality. 2. As a results of regression analysis between THMs and water quality factors, the concentration of pH, residual chlorine and KMnO₄ consumption were highly correlated in indoor swimming pools. 3. In almost all cases, only CHCl₃ was quantifiable. The proportions of THMs in urine correlated roughly with those in water and the secretion of THMs increased significantly after swimming in the pools.
손정화,손현식,조영란,권혁민,김만배 강원대학교 정보통신연구소 2003 정보통신논문지 Vol.7 No.-
1990년대 후반부터 다양한 디지털 통신망을 이용하여 멀티미디어 컨텐츠 서비스가 가능하게 되었다. 하지만, 멀티미디어 컨텐츠의 전달 및 이용을 위한 기반 구조들의 독자적 발전 및 다양한 통합적 관리 체계 시스템으로 인해, 멀티미디어 컨텐츠 표현 방식의 호환성 문제, 혼재하는 네트워크 전달 방식과 단말 방식의 호환성 문제 등의 잠재적인 문제점이 발생한다. 이런 문제의 대안으로 현재 존재하는 기술 및 기반 구조들 사이의 연동을 통한 큰 프레임워크인 MPEG-21이 진행 중이다. 본 논문에서는 현재 표준화 작업이 진행 중인 MPEG-21을 기반으로 하는 Testbed를 제안한다. Testbed는 server, client, DIA(Digital Item Adaptation)의 세 모듈로 구성된다. Server의 역할은 멀티미디어 컨텐츠를 Digital Item(DI)으로 생성하고, client가 DI를 요구할 경우 DIA 모듈을 통해서 변환된 DI를 client에게 제공한다. DIA 모듈은 server에서 동작되며 client로부터 요청된 DI를 분석하고 client로부터 전송된 환경 정보를 이용하여 client 환경에 적합하게 변환된(adapted) DI를 생성하는 것이 주 기능이다. Client는 server에 저장되어 있는 DI를 선택하고 user preference, terminal capability 등의 필요한 정보를 server로 전송한다. Testbed에서는 스포츠 경기의 동영상, 정지 영상, 경기 내용, 역사를 기록한 파일 등의 DI를 이용한다. 표현 언어는 XML이며, HTTP 기반의 Web 환경에서 구동되도록 설계된다.
백종현,소창배,이은영,이지숙,신은경,박은호,서정아,양재홍,송준영,박선자,박요한,최영식 고신대학교의과대학 2007 고신대학교 의과대학 학술지 Vol.22 No.2
Familial adenomatous polyposis (FAP) is an autosomal dominant syndrome, typically characterized by multiple colorectal adenomas and increased incidence of colorectal carcinomas if it is not treated. Moreover, a variety of extracolonic manifestation are seen. The prevalence of thyroid tumors developing in patients with FAP is about 1∼2%. Generally, papillary thyroid cancer indicates low mortality but ,however, as people get older, the cancer becomes more aggressive. So, the operation is required. Recently we experienced a case of FAP, presenting with papillary thyroid carcinoma, and reported with a brief review of literatures.
Γ-Cyclodextrin Glycosyltransferase 생산균주의 분리, 동정 및 효소 생산조건
김명희,손천배,임영희,배경숙,오태광 대전대학교 이과대학 기초과학연구소 1997 自然科學 Vol.- No.-
Cyclodextrin glycosyltransferase 생산균주를 토양으로부터 분리하여 형태학적, 생화학적 그리고 균주의 세포벽 지방산 조성분석에 의해 Bacillus brevis로 동정하였고, Bacillus brevis CD162로 명명하였다. 또한 배지조성에 따른 cyclodextrin glycosyltransferase의 최적생산조건을 검토한 결과, 2.0% soluble starch, 0.75% yeast extract, 0.5% bacto peptone, 0.2% KHPO₄, 0.05% MgSO₄·7H₂O, 1.5% Na₂CO₃ (pH 10.2)의 배지 조건에서 30℃에서 96시간 배양하였을 때 가장 높은 효소생산인 0.9 unit/ml을 얻을 수 있었다.(1997년 7월 10일 접수, 1997년 11월 21일 수리) A cyclodextrin glycosyltransferase-producing bacterium was newly isolated from soil using alkaline pH medium containg 1% Na₂CO₃, The isolated strain was identified as Bacillus brevis by morphological and biochemical characteristics, and designated Bacillus brevis CD162. The strain showed the best enzyme production of 0.9 unit/ml after 96 hrs of culture at 30℃ in a medium of 2.0% soluble starch, 0.75% yeast extract, 0.5% bacto peptone, 0.2% K₂HPO₄, 0.005% MgSO₄·7H₂O and 1.5% Na₂Co₃at initial pH 10.2
Bacillus brevis CD162 Cyclodextrin Glycosyltransferase의 정제 및 특성
김명희,손천배,임영희,오태광 대전대학교 이과대학 기초과학연구소 1997 自然科學 Vol.- No.-
Bacillus brevis CD162가 생산하는 cyclodextrin glycosyltransferase (CGTase)를 ammonium sulfate 침전, DEAE-Sephadex CL-6B 및 Sephadex G-150 컬럼 크로마토그래피를 수행하여 분리정제하였다. 정제된 CGTase는 분자량이 약74.000, 등전점은 약 6.3인 단백질이었고, 정제된 단백질을 SDS-PAGE한 후 변성된 단백질을 재활성시켜 zymogram을 수행한 결과 cyclodextrin glycosyltransferase임을 확인할 수 있었다. 이 효소의 최적활성 pH와 온도는 각각 8.0과 55℃이었으며, pH 5.5~9.0과 50℃까지 안정한 활성을 보였다. 또한, CGTase의 NH₂-말단 부위의 아미노산서열은 Ser-Val-Thr-Asn-Tyr-Ser-Lys-Asp-Val-Ile-Tyr-Gln 이었으며, 전분으로부터 cyclodextrin으로의 전환률을 분석한 결과, α-cyclodextrin은 1.3%, β-cyclodextrin은 33.9%, γ-cyclodextrin은 9.7% 이었다(1997년 7월 10일 접수, 1997년 9월 25일 수리) The cyclodextrin glycosyltrasferase (CGTase, EC 3.2.1.19) from Bacillus brevis CD162 was purified by precipitating with ammonium sulfate, DEAE-Sepharose CL-6B column chromatography and Sephadex G-150 column chromatography. The molecular mass and pI of the purified enzyme were estimated to be 74,000 and 6.3 by SDS-PAGe and isoelectric focusing, respectively. The purified enzyme was clearly identified as the CGTase by zymogram after SDS-PAGE. The optimum pH and temperature for the enzyme activity were 8.0 and 55℃, respectively. The enzyme was stable at the range of pH 5.5~9.0, and up to 50℃. The amino acid sequence from the NH₂-terminal of the purified CGTase was Ser-Val-Thr-Asn-Lys-Val-Asn-Tyr-Ser-Lys-Asp-Val-Ile-Tyr-Gln. The yields of the products from starch as the substrate were 1.3% for α-,33.9% for β-, and 9.7% for γ-cyclodextrin.