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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.
Kyu-shik Jeong,정원일,Jae-yong Chung,Mi-young An,Chae-yong Jung,Gyoung-jae Lee,Jong-soo Kang,Byeong-cheol Kang,Young-heun Jee,Bruce H Williams,Young-oh Kwon,Da-hee Jeong 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Cirrhosis Occurring in a Young Woodchuck (Marmota monax) Due to Vertical Transmission of Woodchuck Hepatitis Virus (WHV)Da-hee Jeong, Won-il Jeong, Jae-yong Chung, Mi-young An, Chae-yong Jung, Gyoung-jae Lee1, Jong-soo Kang1, Byeong-cheol Kang2, Young-heun Jee3, Bruce H Williams4, Young-oh Kwon5 and Kyu-shik Jeong*College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Korea1Shinwon Scientific Co., LTD, Research Institute, Suwon, Korea2Clinical Research Institute, Seoul National University, Seoul 110-744, Korea3College of Veterinary Medicine, Jeju National University, Jeju 690-756, Korea
鮟鱇網 漁具 漁法의 改良에 관한 硏究(Ⅱ) : 展開帆을 이용한 改良漁具 試驗(豫報)
李吉來,宋之浩,朴鍾洙,徐萬錫,趙鳳坤,朴正鎬,洪聖根,鄭公炘,裵錫悌,鄭與基,金鎭乾 군산대학교 1980 群山水産專門大學 硏究報告 Vol.14 No.1
Ordinarily stow net fisheries was used by floater beam and sinker beam for the purpose of spreading the mouth of net. But it was not only iuconvenient and dangerous but much defective. In this thesis, we have studied fundermental experiment of the improved stow net fishing gear using head rope, ground rope and otter sail instead of floater beam and sinker beam. From the result of this experiment, it has been succeeded for fishing work to achieve basically without any difficulty. The results obtained in this study were as follows. 1) The resistance of fishing gear was estimated R≒7V2 as possible as it is taken greatly. (R: Resistance V: the rate of current) 2) The interval of otter sail was spreaded smoothly. Being in normal condition, it was maintamed the width 37-38m. It was heared comparison with net mouth of ordinary gear, and the shearing force was enough. 3) The height of mouth was lower than we have anticipated to and seemed to have the supplement of buoyancy. But according to increasing the rate of current, the lowness of mouth height was little affected. 4) The height of otter sail was decreased at the rate of 30% by the rate of current, on the contrary, the height of wing was not decreased owing to sufficient buoyancy, 5) The adjustment of extention length of hanging wire(connected with fishing boat) and raising wire(with otter sail) was great important problem and it must be dealed with the most moderatly because of a corelation between the spreading of fishing gear and catching ability. 6) On the depth of 30m, it was taken 25 minuits to cast anchor and lines, 20 min cast net, 24 min haul net, 45 min haul lines and heave anchor, respectively. 7) The improved stow net with otter sail was cleared up the defects and difficult problems in ordinary gear using floater beam and sinker beam, and it have more advantages of fishing work than ordinary one. But there were involved in lots of problems in details to solve in the future.
이종흔,김중수,송형근,박수정,함진숙 대한구강생물학회 1990 International Journal of Oral Biology Vol.14 No.1
The purpose of this investigation was to determine the relative analgesic effectiveness of paradol and shogaol compared with capsaicin, and effects of capsaicinoids on substance P of trigeminal spinal sensory nucleus. Under anesthesia, anterior belly of digastric muscle was exposed and a pair of electrodes was inserted to record the electromyograms. Noxious electrical stimulus was applied to oral mucosa around the mental foramen. Inferior alveolar nerves (IAN) and saphenous nerves were carefully exposed for application of vehicle and drugs to evaluate the effects on digastric EMG (dEMG) and neural conduction, and caudal part of brainstem was exposed to determine the substance P. Vehicle and 1.5% of capsaicin, paradol and shogaol were applied to IAN and saphenous nerves for 30 minutes, respectively. EMG_s of digastric muscle evoked by noxious electrical stimulus were recorded before application of drugs or vehicle, immediately after removal and washing of drugs and at 30 minutes after washing. To examine the effects of the peripheral stimulation on the action potential, stimulating electrodes were placed on the peripheral side of drugs application site and recording electrodes were on the proximal side. Substance P of trigeminal spinal sensory nucleus was collected by push-pull perfusion technique and determined by radioimmunoassay. Capsaicin application on IAN could not influence on dEMG, but paradol and shogaol decrease the amplitude of dEMG. Capsaicin applied locally to nerve decreased amplitude and conduction velocity of only C-fiber, while paradol and shogaol inhibited the neural conduction of C-fiber and Aδ-fiber. Substance P in the trigeminal spinal nucleus was reduced by capsaicin but not by paradol and shogaol.
이종흔,정태영,김중수,이효재,민병무,정동균 대한구강생물학회 1980 International Journal of Oral Biology Vol.4 No.1
These studies were performed in an effort to elucidate the relation between dental fluorosis and several minerals which are contained in drinking water in the regions of the high fluorosis index. The water samples were collected from several regions around the Mankyung River in Chonrabukdo where high fluorosis index was observed in the pupils and from the control regions where dental fluorosis were not reported. The contents were analyzed by means of spectrophotometry for phosphorus, fluoride ion activity for fluoride, and atomic absorption spectrophotometry for calcium, magnesium and manganese. The calcium concentrations of drinking waters collected from the regions where high degree of dental fluorosis was appeared were lower than those of control regions. The phosphorus concentrations in the regions of high fluorosis index were very high, and the fluoride concentrations were remarkably greater than those of control regions. There was regional change in the magnesium concentrations of drinking water collected from the regions of the high dental fluorosis and control regions. But manganese concentrations showed markedly high regional variation.
이종흔,정동균,김중수,이효재,김각균,오귀옥,정태영 대한구강생물학회 1979 International Journal of Oral Biology Vol.3 No.1
Mineral analyses of water samples from several areas of the Mankyung River and the Dongjin River regions in Chonrabukdo where dental fluorosis was observed, which had been conducted between June in 1978 and January in 1979, have shown the following results. In general, the mean calcium concentrations were high in the areas where the mean concentrations of phosphorus and fluoride were low. And in the same area where dental fluorosis was particularly observed, seasonally a few minerals were variable─namely, calcium, phosphorus, and fluoride. Those samples of high fluoride concentration have higher phosphorus concentration, but calcium concentrations were the opposite phenomenon. Particularly, fluoride concentrations were remarkably greater during the cold season(January) than during the rainy season(July).
이종흔,정동균,정태영,김각균,민병무,이공훈 대한구강생물학회 1980 International Journal of Oral Biology Vol.4 No.1
This experiment was performed to elucidate the reported anti-cariogenic effect of capsicum in rats. Streptococcus mutans strain B-13, which was drived from human oral cavity and known to be cariogenic, was cultured in TYG with water-extract of capsicum. Glucose content of water-extract of capsicum was also determined by glucose oxidase method. The results are as follows. 1. Glucose content of water-extract of capsicum was 25.6 (±0.5) %. 2. In logarithmic phase, water-extract of capsicum group showed less steepness in growth curve than control group. 3. In early stationary phase, size of bacterial cell mass was in order of control, 0.5% and 1% water-extract of capsicum group. 4. It appears that water-extract capsicum might contain inhibitory substance to growth of Streptococcus mutans B-13, in spite of its high glucose content.