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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.
金喆洙,張允錫,吳長根 木浦大學校沿岸生物硏究所 1987 沿岸生物硏究 Vol.4 No.1
The flora and vegetation of Ui-do were investigated two times from July 23th to July 29th in 1985, and from July 8th to July 15th in 1985. The vascular plants identified in these investigations were 102 families, 302 genera, 376 species, 58 varieties and 4 formae, summing up to 438 species total. Of these species, 126 species were found commonly in the lists reported previously by Lee, etc. (1980) and Lee (1981). The total number of species in this island was thus summerized as 104 families, 323 genera and 481 species. Also Fisher's index was calculated as 426.4. This value was higher than that of Hong-do. By the ZM school method, the vegetaion of Ui-do was classified into 15 community types, i.e. the evergreen broad-leaved forests(Camellia japonica-Machilus thunbergii, Camellia japonica-Castanopsis cuspidata var. sieboldii, Camellia japonica community), the evergreen needle-leaved forests (Pinus thunbergii community), the deciduous forests (Mallotus japonicus, Carpinus coreana community), Pseudosasa japonica community, the grassland vegetation (Miscanthus sinensis var. purpurascens, Arundinella hirta-Zoysia japonica, pennisetum alopecuroides-Artemisia princeps var. orientalis, Agrostis clavata-Artemisia princeps var. orientalis community), the sand dune vegetation (Carex pumila, Imperata cylindrica var. koengii-Vitex rotundifolia, Ligustrvm quihoui var. latifolium community) and the grazing land. Each community was described in term of floristic, structual and environmental features. The synthesis table and the actual vegetaion map were prepared.
Paraquat 투여 생쥐의 각 장기내 paraquat 농도 및 효소활성의 변화
박재윤,김근형 朝鮮大學校 附設 醫學硏究所 1993 The Medical Journal of Chosun University Vol.18 No.1
In this experiment, the level of paraquat and activities of acetycholinesterase, superoxide dismutase (SOD) and catalase were investigated in various organs of paraquat-treated mice. Paraquat level in various organs were markedly elevated after paraquat treatment, and the peak is reached within 2-4 hrs followed by a gradual decline to near normal levels by 24hrs. In lung, elevation of paraquat level is more predominant and persist for a prolonged period of time. But the paraquat was not detected in braine of paraquat treated mice. The activity of acetylcholinesterase in liver, lung and kidney of mice was significantly decreased by paraquat but unchaged in brain. The activities of SOD and catalase were significantly decreased in liver and lung of mice by paraquat administration. These result suggested that paraquat-induced organ toxicity were correlated with the level of paraquat in each organs, and paraquat would not be transfer the blood-brain barrier.
세포질내 정자주입법(ICSI)에 있어서 정자흡입 및 난자내 주입방법에 관한 연구
이택후,김항진,송건호,김대근,전상식,박윤규,서태광,전병균,류은경,이은숙,문진수,김광철 경북대학교 의학연구소 2000 경북대학교병원의학연구소논문집 Vol.4 No.1
Study on Method of Sperm Aspiration and Injection into an Oocyte in Intracytoplasmic Sperm Injection(ICSI) Immobilization of spermatozoa prior to intracytoplasmic sperm iniection(ICSI) sometimes results in crooked tail and this makes it difficult to aspirate sperm into an injection pipette tail first. Head-first sperm aspiration into an injection pipette avoid this problem due to the bigger size of the sperm head. The effect of head or tail-first sperm injection into an oocyte on fertilization cleavage, percentage of grade I embryos and development to blastocyst stage in ICSI program has been studied. A single living immobilized spermatozoa from oligoasthenozoospermic patient was injected into an oocyte head-first or tail-first according to the treatment. Eighteen hours after microinjection, oocytes ware inspected for survival and fertilization Fertilized oocytes with two pronuclei were cultured in 30μl drop of mHTF supplemented with 10% heat-inactivated follicular fluid(FF) at 37℃. On day 2. embryo transfer was performed with cleaved embryos. The remaining 2-8 cell stage embryos were co-cultured with BRL cells in mHTF + 10% FF for 72 hours and the developmental stage was observed. The data were analyzed by Analysis of Variance. A total of 164 oocytes from 36 cycles were assigned to earth treatment and ICSI was performed(88 head-first, tail-first). The rates of normal fertilization were 81.8% and 76.3% for head-first and tail-first, respectively. Of the fertilized oocytes, the percentage of cleaved embryos and the percentage of grade 1 embryo among cleaved embryos were 88.9% and 68.8%, 93.1% and 74.1% for head-first and tail-first, respectively. Of the 2-8 cell embryos cultured, 44.4%(16/36) and 50.0%(10/20) for head first and tail first, respectively developed to blastocyst stage. There were no differences in fertilization, cleavage, rates of grade 1 embryos, and development to blastocyst stage. In conclusion, head-first or tail-first sperm injection into an oocyte in ICSI program does not affect fertilization and subsequent embryo development to blastocyst stage in vitro.
정원우,상기남,이윤종,김중욱,곽기근 慶北大學校 科學敎育硏究所 2003 科學敎育硏究誌 Vol.27 No.-
The purpose of this study is to investigate historical records on Korean mineral terms. One of the earliest records on Korean mineral terms is the Donguebogam(oriental medical handbook) written by Heo Jun in 1613. Most of geological investigation of Korea was accomplished by Japanese geologists in the period of the 1900~1945. Korean mineralogical records have been described by Gottsch(1886), Kwasaki(1935), Kinosaki(1937, 1940), Tsuda(1941, 1952) and Galleger(1963). Korean mineral species have been described about 300 species by KIER(Korea Institute Energy and Resources) in 1977. In the results of this study, Comparisons and classifications between current korean mineral terms and korean traditional and chinese medical mineral terms are suggested.
Kim, Seoung Geun,Hwang, Yoon Ha,Shin, Yung Hae,Kim, Sung Won,Jung, Woo Sik,Kim, Sung Mi,Oh, Jae Min,Lee, Na Young,Kim, Mun Ju,Cho, Kyung Soon,Park, Yeon Gyeong,Min, Sang Kee,Lee, Chang Kyu,Kim, Jun Su The Korean Pediatric Society 2013 Clinical and Experimental Pediatrics (CEP) Vol.56 No.4
Purpose: There was a global increase in the prevalence of oseltamivir-resistant influenza viruses during the 2007-2008 influenza season. This study was conducted to investigate the occurrence and characteristics of oseltamivir-resistant influenza viruses during the 2007-2008 and 2008-2009 influenza seasons among patients who were treated with oseltamivir (group A) and those that did not receive oseltamivir (group B). Methods: A prospective study was conducted on 321 pediatric patients who were hospitalized because of influenza during the 2007-2008 and 2008-2009 influenza seasons. Drug resistance tests were conducted on influenza viruses isolated from 91 patients. Results: There was no significant difference between the clinical characteristics of groups A and B during both seasons. Influenza A/H1N1, isolated from both groups A and B during the 2007-2008 and 2008-2009 periods, was not resistant to zanamivir. However, phenotypic analysis of the virus revealed a high oseltamivir $IC_{50}$ range and that H275Y substitution of the neuraminidase (NA) gene and partial variation of the hemagglutinin (HA) gene did not affect its antigenicity to the HA vaccine even though group A had a shorter hospitalization duration and fewer lower respiratory tract complications than group B. In addition, there was no significant difference in the clinical manifestations between oseltamivir-susceptible and oseltamivir-resistant strains of influenza A/H1N1. Conclusion: Establishment of guidelines to efficiently treat influenza with oseltamivir, a commonly used drug for treating influenza in Korean pediatric patients, and a treatment strategy with a new therapeutic agent is required.