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유산균(L.lactis CBT-8)및 발효 추출물의 Helicobacter pylori 억제 능력
진춘조,박형석,이혜운,김성렬,강동구,이준상,이재동,왕준호 건국대학교 의과학연구소 2002 건국의과학학술지 Vol.12 No.-
Helicobacter pylori infection was the cause of chronic gastritis, duodenal ulcer and gastric MALT lymphoma. The eradication rates of H. pylori using antibiotics are around 80%. Lactobacilli have been demonstrated to have in vivo and in vitro inhibitory effects on H. pylori infection. We aimed to evaluate the inhibitory effect of L. lactis CBT-8 and its extract on H. pylori in human stomach. Thirty-five H. pylori-infected volunteers(30-49 yr)were randomized into two groups which were treated with L. lactis CBT-8 and its extract(Group A n=17) or milk containing L. lactis CBT-8(Group B, n=18). They underwent 13C-urea breath tests before and after treatment. The DOB30 of group A(n=14) was decreased 41.0% after treatment(26.0±4.9 before, 15.3±2.1 after treatment)(p<0.05). the DOB30 of group B(n=13) was decreased 22.3% after treatment(22.0±2.2 before, 17.1±1.7 after treatment)(p<0.05). In conclusion, L. lactis CBT-8 was effective in suppressing H. pylori infection in human stomach.
임유진,이상명,김동수,김준범,최광식,이신혜,박정규,이동운,Lim, Eu-Gene,Lee, Sang-Myeong,Kim, Dong-Soo,Kim, Joon-Bum,Lee, Shin-Hye,Choi, Kwang-Sik,Park, Chung-Gyoo,Lee, Dong-Woon 한국응용곤충학회 2012 한국응용곤충학회지 Vol.51 No.1
솔껍질깍지벌레는 우리나라 곰솔림의 주요한 해충의 하나이다. 본 연구는 우리나라에서 솔껍질깍지벌레의 분포를 알아보기 위하여 7개도 3개 광역시, 91개 시군구, 686 읍면동의 해송림에서 2010년 밀도를 조사하였다. 5개도 2개 광역시에서 솔껍질깍지벌레가 서식하고 있었는데 시군구별로는 조사대상의 64.8%인 59개 시군구에서 서식이 확인되었다. 솔껍질깍지벌레의 분포는 남해안 전역과 동해안의 포항, 서해안의 충남 보령지역까지 분포하였다. 충북과 대전광역시 및 제주도에서는 솔껍질깍지벌레의 분포가 확인되지 않았다. 부산지역은 16곳의 모든 구에서 솔껍질깍지벌레가 분포하였고, 시군 단위에서는 전남 해남군의 솔껍질깍지벌레 평균밀도가 1.713마리/0.785 $cm^2$로 가장 높았으며 읍면동 단위에서는 해남군 송지면이 6.36마리/0.785 $cm^2$로 가장 높았다. 곰솔 가지 내의 솔껍질깍지벌레 밀도와 솔껍질깍지벌레가 서식하고 있는 빈도와는 높은 상관관계가 있었다(상관계수=0.89). The black pine bast scale, $Masucoccus$ $thunbergianae$ (Hemiptera: Margarodidae), is a serious pest of the Japanese black pine, $Pinus$ $thunbergii$, in Korea. The distribution of the black pine bast scale was examined, looking overall at 686 towns (eup), townships (myeon) or neighborhoods (dong). There were Japanese black pine ($Pinus$ $thunbergii$) forests in 91 cities, counties (gun) and borough (gu), in seven provinces and three metropolitan cities during 2010. Black pine bast scale were found in 64.8% of cities or counties or borough (59) in 7 provinces and 3 metropolitan cities, and were distributed in all South Costal regions, Pohang in East Costal region and Boryeong in West Costal region. Chungcheongbukdo, Daejeon and Jeju did not have black pine bast scale. All the gu regions in Busan had black pine bast scale, of which the area with the highest prevalence was Haenam in Jeollanamdo (1.713 crawlers/0.785 $cm^2$). Songji-myeon had the highest occurrence rate (6.36 crawlers/0.785 $cm^2$) from the towns, township and dong. The density of black pine bast scale in twigs was highly correlated with percentage of the sample with scale (Correlation coefficacy=0.89).
수용성 항진균성 항생물질을 생산하는 방선균 LAM-593의 분리 및 물질생산조건
이동희,김중배,이노운 建國大學校 附設 産業技術硏究所 1993 논문집 Vol.18 No.-
토양에서 분리 선별한 수용성 항진균성 물질을 생산하는 Streptomyces속 균주 LAM-593에 의한 항진균성 물질의 생산조건을 검토한 결과는 다음과 같다. 물질생산을 위한 탄소원으로는 soluble starch가, 질소원으로는 soybean meal과 peptone이 가장 우수하였으며 glycerol의 첨가로 물질 생성량이 현저히 증가하였으나 인산염에 의해서는 저해되었다. 생산 최적온도와 초발 pH는 각각 30℃와 9.5였으며, soluble starch 1.0%, glycerol 1.0%, soybean meal 0.3%, peptone 0.1%, MgSO₄·7HO 0.05%, NaCI 0.05%, silicone oil 0.01% 조성의 배지(pH 9.5) 2.5L를 5L fermenter에 넣고 전배양한 배양액을 3% 수준으로 접종하여 통기량 0.9vvm, 교반속도 200rpm으로 30℃ 에서 2일간 배양하였을 때 비지내의 항진균성 물질의 축적량이 최대에 달하였다. Cultural conditions for production of water soluble antifungal antibiotic by Streptomyces sp, strain LAM-593, isolated from soil, were studied. For the antibiotic production, soluble starch and soybean meal was favorable as carbon and nitrogen source, respectively. The antibiotic production was stimulated by the addition of Mg? and glycerol. Optimal temperature and initial pH for production of the antibiotic was 30℃ and pH 9.5, respectively. Accumlation of the antibiotic in th culture broth reached at maximum level after 2 days cultivation under aeration rate 0.9 vvm and impeller speed 200rpm in 5L-fermenter with 3L of medium containing soluble starch 1.0%, glycerol 1.0%, soybean meal 0.3%, peptone 0.1%, MgSO₄·7H₄O 0.05% and Nacl 0.05%.
Lee,Dong-Woon,Kim,Dae-Geon 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
The distribution of construction materials and the schedule management of a project are important elements in ensuring an effective construction system and reasonable construction duration and cost. Therefore, IT convergence technology of distribution to the construction industry, a BIM module is composed as a 4D model more easily, which is considered to contribute to a reduction in construction duration, an improvement in quality and a reduction in cost through efficient management of manpower and the minimization of errors arising from the site construction by reflecting information in real time through an RFID system.
이동운,이정섭,조연철 계명대학교 생활과학연구소 2000 科學論集 Vol.26 No.-
This is research results which can service to technique study of administration management and groping for method which can much intensify function of facilities, according to the introduction of new sports facilities which can be sufficient needs of consumer and conversion. First, The local residents' opinion has to be reflected to make the most of the swimming pool in sports center thus preferentially it is taken enough consideration not only space guarantee but also arrangement of facilities. second, It doesn't have any difference in the scale of Taegu downtown many swimming pool facilities under residents' disposition. It showed that the scale of change room and shower bath are influenced in Business sales. the last thing is especially, it showed that The scale of sauna facilities have an effect on Business.
이정준,함년근,조정민,김동운,한경희 明知大學校 産業技術硏究所 2000 産業技術硏究所論文集 Vol.19 No.-
Recently, increasing of portable, importance of battery has identified. And battery is used for non-utility generation and emergency power for communication power, it has researched for power of electric vehicle. But it is disadvantage that life cycle of battery is decreased by overcharging and overdischarging. In this paper, using two phase with combined step-down chopper, we controlled charging and discharging of battery. It is dereased ripple of current and charging time with continuous current by using two phase with combined step-down chopper. Detecting the full charging voltage and cut-off voltage, it is prohibit overcharging and overdischarging with microprocessor.