홍수퇴적토의 식재토양 재활용 연구

조용현,조항문,현재혁,조재범,김갑수 忠南大學校 環境問題硏究所 1997 環境硏究 Vol.15 No.-

In the study , the feasibility of deposit soil in river and stream bed as a substitute for conventional plant soil was investigated through the analysis of soil characteristics and germination growth rate for 75days. Proper mix between samples from different places was compared to optimize the germination and growth rate of plant in the ratio of 2 : 1 and 3 : 1 (sand : deposit). From the results, it could be concluded that the deposit mix 3 : 1 showed most favorable germination and growth conditions for pancy and the deposit containing enough amount of silt and clay components showed most favorable conditions for marigold. Consequently, the feasibility of deposits as a substitutional plant soil was evaluated to be high.

Genome-wide investigation of a Korean synthetic breed, Woori-Heukdon using the Illumina PorcineSNP60K BeadChip

Yong‑Min Kim,Ha‑Seung Seong,Jung‑Jae Lee,Da‑Hye Son,Jin‑Su Kim,Soo‑Jin Sa,Young‑Sin Kim,Tae‑Jeong Choi,Kyu‑Ho Cho,Joon‑Ki Hong,Jung‑Woo Choi,Eun‑Seok Cho 한국유전학회 2020 Genes & Genomics Vol.42 No.12

Background: Woori-Heukdon (KWH) is a Korean synthetic pig breed generated using Chookjin-Duroc (KCD), Chookjin-Chamdon (KCC), and their crossbreds. Currently, there is a severe lack of studies investigating the Korean breed populations including wild boars (KWB) throughout the genome. Objective: This study was performed to investigate the genetic characteristics of Korean pig populations at the genome-wide level. Methods: Using the SNP dataset derived from genotyped and downloaded datasets using the Illumina PorcineSNP60K BeadChip, we compared the genomes of 532 individuals derived from 23 pig breeds to assess the genetic diversity, inbreeding coefficient, genetic differentiation, and population structure. Results: KWB showed the lowest average expected heterozygosity (HE = 0.1904), while KWH showed the highest genetic diversity (HE = 0.02859) among Korean populations. We verified that the genetic composition of KWH, showing USD of 74.8% and KCC of 25.2% in ADMIXTURE analysis. In population structure analyses, KCC was consistently shown to be separated from other pig populations. In addition, we observed gene flow from Western pigs to a part of Chinese populations. Conclusion: This study showed that Korean native pigs, KCC have genetic differences in comparison with Chinese and Western pigs; despite some historical records and recent genetic studies, we could not find any clear evidence that KCC was significantly influenced by Chinese or Western breeds in this study. We also verified the theoretical genomic composition of KWH at the molecular level in structure analyses. To our knowledge, this is the first genomic study to investigate the genomic characteristics of KWH and KCC.

Effects of Extrusion Conditions on Pasting Properties of Potato and Potato : Wheat Flour Mixture

Cha, Jae Yoon,Cho, Yong-Jin,Kim, Chong-Tai,Kim, Chul-Jin,Ng, P. K. W. 한국산업식품공학회 2003 산업 식품공학 Vol.7 No.2

The purpose of this study was to develop extrusion process of fresh potato and to study the effects of extrusion condition on the pasting properties of extruded potato products. The blend of pressed potato and wheat flour and pressed potatoes were extruded at different die exit temperatures (110-160℃) and screw speed of 100 rpm using a twin-screw extruder with conveying, high and low shear screw configuration. The viscosity-related parameters, such as peak viscosity, through, final viscosity, peak time, and pasting temperature of the feed materials and extruded products, were studied using a rapid visco analyzer (RVA). Their water solubility index (WSI) and water absorption index (WAI) were also studied. The peak viscosity, through, final viscosity, and peak time of pressed potato extrudates and potato-wheat flour mixture extrudates decreased as die exit temperature increased. The WSI and WAI of potato products increased as die exit temperature increased. When high shear screw configuration was used, the values of viscosity-related parameters were lower than those when low shear screw configuration was used. The potato-wheat flour mixture products obtained different degrees of depolymerization from fresh potatoes and wheat flour depending on die exit temperature and screw configuration.

서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)

김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1

In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.

Isolation and Characterization of Antimicrobial Substance Macrolactin A Produced from Bacillus amyloliquefaciens CHO104 Isolated from Soil

( Seung Je Lee ),( Jeong Yong Cho ),( Jung Il Cho ),( Jae Hak Moon ),( Ki Deok Park ),( Young Ju Lee ),( Keun Hyung Park ) 한국미생물생명공학회 2004 Journal of microbiology and biotechnology Vol.14 No.3

제2급 와동에 충전된 Compomer의 미세누출에 관한 연구

조용범,임재훈 大韓齒科保存學會 1999 Restorative Dentistry & Endodontics Vol.24 No.2

방광에서 발생한 염증성 근섬유아세포종

조시완,유지형,노충희,김정연,정재용,성락희 仁濟大學校 白病院 2010 仁濟醫學 Vol.31 No.-

Spindle cell lesions of the urinary bladder are uncommon tumors, and are most often spindle cell (sarcomatoid) carcinomas, non-neoplastic reactive mesenchymal proliferations, or soft tissue sarcomas. Inflammatory myofibroblastic tumors (IMTs) may also occur in this location, but IMTs occurring at bladder sites have rarely been described. We experienced a case of IMT of bladder.

레니텍^(�) 정(말레인산 에날라프릴, 10mg)에 대한 에나레이스 정의 생물학적 동등성

조성희,하용화,홍성제,서성훈,류재환,김동현,이경태 한국약제학회 2003 Journal of Pharmaceutical Investigation Vol.33 No.3

The purpose of present study was to evaluate the bioequivalence of two enalapril maleate tablets, Renitec^(™) (MSD Korea Ltd.) and Enalace ^(™) (Welfide Korea Ltd.), according to the guidelines of Korea Food Drug Administration (KFDA). Twenty-four normal male volunteers, 22.33±2.55 year in age and 66.54±8.30 ㎏ in body weight, were divided into two groups and a randomized 2×2 cross-over study was employed. After two tablets containint 10 ㎎ of enal-april maleate per tablet wre orally administered, blood was taken at predetermined time intervals and concentrations of enalapril in plasma were determined using LC-MS-MS. Pharmacokinetic parameters such as AUC_(t), C_(max) and T_(max) were calculated and ANOVA test was utilized for the statistical analysis of the parameters using logarithmically transformed AUC_(t) and C_(max) untransformed T_(max). There were no sequence effects between two formulations in these parameters. The 90% confidence intervals for the log transfored data were acceptance range of log0.8 to log1.25(e.g., log1.02∼log1.14 and log1.03∼log1.19 for AUC_(t) and C_(max), respectively). The major parameters, AUC_(t) and C_(max), met the criteria of KDFA for bioequivalence indicating that Enalace^(™) tablet is bioequivalent to Renitec^(™) tablet.

EDI 서비스의 데이터 웨어하우스 구현에 관한 연구

조용구,김재홍 永同大學校 1998 硏究論叢 Vol.4 No.1

데이터 웨어하우스의 데이터 통합은 정보가 미리 추출되고 번역되어 저장되며, 질의가 요구될 때 저장소에서 평가된다. EDI 서비스의 의사 결정 지원을 위해서는 데이터 웨어하우스의 데이터 통합이 요구된다. 본 논문에서는 EDI 메시지 중계 시스템과 데이터 웨어하우스의 개념을 살펴보고, 실제로 거래되는 EDI 송수신 데이터를 이용하여 데이터 웨어하우스를 구현하고, 트랙픽 유형 및 주요 특성을 분석한다. 데이터 웨어하우스의 일반적인 모형인 정보의 생성, 가공, 활용 단계에 맞추어 TANDEM에서 EDI 원천 데이터 생성, SUN에서 통계 데이터 가공, P/C에서 활용하는 구성을 갖는다. 트래픽 분석 결과, 배달할 메지기가 있을 때 중계시스템에서 먼저 접속을 개설하는 Store & Forwarding 방식이 필요하고, EDI는 온라인성 작업임으로 접속절차의 간소화가 요구되며, 일괄 처리 시간의 단축이 필수적임을 알았다. For the integration in data warehouse, information is extracted, translated, and stored, and when we request the query, it is estimated through the stored information. To support the decision of EDI service, it is necessary to implement data integration in data warehouse. In this paper, we explain the concept of EDI message transfer system and data warehouse, implement data warehouse using EDI data which is exchanged in real field, and analyze the attribute of EDI traffic. According to the general model of data warehouse - information creation, processing, utilizing - EDI source data is created in TANDEM, in SUN statistics data is made from source data, and P/C display the attribute of EDI traffic graphically. As a result, we get to know the followings. "Store & Forwarding" mechanism in which a center initiate the session as soon as it can deliver some messages is important. Since EDI is a on-line job, it is efficient to simplify the connection procedure. The time to process batch jobs must to be decreased.

피리딘 치환제와 2-Bromoacetophenone과의 반응에 대한 속도론적 연구

조영재,김용건,김장열,경진범 한양대학교 이학기술연구소 2000 이학기술연구지 Vol.2 No.

메탄을 용매내에서 2-bromoacetophenone과 피리딘 치환체(3-CH3, 3,5-(CH3)2, H, 3-Cl)와의 반응속도를 여러 온도와 농도 조건하에서 전도도법으로 측정하였다. 이 때 반응속도상수는 온도와 피리딘 농도가 증가함에 따라 증가하였으며, 피리딘 치환체에서 치환기의 전자주게 능력이 클수록 반응속도는 증가하였다. 이들 반응속도상수로부터 활성화 엔탈피, ?H≠, 활성화 엔트로피, ?S≠, Hammett 반응상수, p 및 Bsonsted 상관계수, B를 결정하였다. 이 때 ?H≠는 상대적으로 낮은 양의 값을 갖는 반면, ?S≠는 큰 음의 값을 얻었으며, 친핵체의 치환기 효과인 p와 Bronsted 상관계수인 B는 40℃에서 각각 -2.49 및 0.38의 값을 나타내었다. 이러한 결과로부터 본 반응은 dissociative 이분자성 반응으로 진행됨을 알 수 있었다. Kinetics of 2-bromoacetophenone with substituted pyridines (3-CH3, 3,5-(CH3)2, H, 3-Cl) in methanol have been also studied using conductometric method at various temperatures and concentrations. Rate constants are increased with the increment of both temperature and concentration. They are also increased with more electron-donating ability of substituent in nucleophile. The activation enthalpy, ?H≠, the activation entropy, ?S≠, Hammett reaction constant, p and Bronsted coefficient, B are evaluated from the rate constants. The ?H≠ values are positive relatively small while the ??S≠?values are relatively large, and the corresponding coefficients, p and B are -2.49 and 0.38 at 40℃, respectively. From these results, it could be concluded that this reaction proceeds with the dissociative bimolecular pathway.