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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.
Hung Sun Koh, Kyung Hee Jang, Eui Dong Han, Jae Eun Jo, Seon Ki Jeong, Eui Jeong Ham, Seong Taek In, Jong Hyek Lee, Gu Hee Kweon, Kwang Seon Kim 충북대학교 동물의학연구소 2012 Journal of Biomedical and Translational Research Vol.13 No.2
To identify subspecies and stocks of minke whale meats purchased from Korean markets during 2005-2007, we first obtained their complete sequences of mitochondrial DNA cytochrome b and control region sequences, and compared these sequences to the corresponding sequences of the common minke whale (Balaenoptera acutorostrata), obtained from GenBank. From analyses with partial cytochrome b sequences (383 bp) and non-coding, partial control region sequences (463 bp), Korean mink whale meats are identified as products from the North Pacific minke whale (B. a. scammoni). In addition, the sequences of the partial control region from these meats showed G at site no. 298 and G or A at site no. 463, and the meats appeared to originate from the J stock within this subspecies. Thus, because the J stock has been protected since 1986, implementation of strict regulation measures to reduce their accidental fisheries by catch seems urgent. In addition, B. a. scammoni is distinct from B. a. acutorostrata, with an average Jukes-Cantor distance of 2.21% in the complete control region sequence analysis (935 bp) and 1.31% in the complete cytochrome b gene sequence analysis; the current results support the current subspecies classification, although further sequencing analyses with nuclear genes are necessary.
분리된 예약채널을 기반으로 하는 요구할당 다중접근방법에 관한 연구
한정항(Jeong-Hang Han),김용환(Yong-Whan Kim),송주석(Joo-Seok Song) 한국정보과학회 1991 한국정보과학회 학술발표논문집 Vol.18 No.2
본 연구에서는 넓은 지역에 분산된 지상망들을 위성체를 통해 상호 연결하여 형성되는 SWAN(Satellite Wide Area Network) 근간망(Backbone Network)으로서의 패킷위성망에서 위성채널에 대한 요구할당 다중접근방식을 설계한다. 본 연구에서는 전송프레임에 대한 예약과 데이타전송이 순차적으로 반복되는 기존의 다중접근방식에서의 채널효율 저하와 지연특성 불안정성을 개선하기 위해 위성채널 구조에서 예약 채널과 데이타전송 채널을 논리적으로 분리하여 서로 독립적으로 운영되도록 구성하고, 그 위에서 요구할당 다중접근 알고리즘을 설계했다. 이것은 예약과 데이타 전송을 각각 서로에 대해 독립적으로 수행하게 하고, 데이타전송 채널에서의 프레임 구조를 제거하여 예약을 슬롯단위로 수행함으로써 일정한 수준의-즉 예약 채널 용량-고정적인 대역폭 낭비를 감수하면서 데이타 전송 채널의 효율을 극대화시키고, 각 지구국에서의 트래픽 변동을 보다 효과적으로 수용하며, 안정된 전송지연 특성과 공평성을 획득함으로써 시스템의 전체적인 성능을 향상시키는데 목적이 있다.
말기 신질환과 혈액투석 환자의 담석증 유병률에 대한 고찰
한동수,이민호,이정익,김호중,최호순,윤병철,이오영,기춘석,함준수,은창수,전용철,이향락,손병관,정청일 대한소화기학회 2001 대한소화기학회지 Vol.37 No.4
Background/Aims: Gallstone disease is one of the major cause of morbidity in adults. Hemodialysis (HD) has been found to increase risk of gallstone formation following increase in bile cholesterol and biliary saturation index. There are very few data about the prevalence of gallstone in hemodialysis patients and so, we performed this study. Methods: We compared the prevalence of gallstone disease in patients with end-stage renal disease (ESRD) treated with HD with that in 208 age- and sex-matched controls (non-uremic control group). Patients who had chronic liver disease, renal disease, and diabetes were excluded from the control group. Results: In our study, we found a prevalence of gallstone of 18.3% in patients with ESRD treated with HD, which was significantly higher than 5.3% in the non-uremic control group. In most of our HD patients, cholecystolithiasis was asymptomatic. HD patients with cholecystolithiasis were statistically significantly older than patients without gallstones. We did not find a difference in sex, duration of HD treatment between patients with and without gallstones. Conclusions: Our results suggest that the prevalence of gallstone disease is higher in patient with ESRD treated with HD than in non-uremic population in Korea.