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오운용,도경탁,조병욱,박경도,김성훈,이학교,신영수,조영석,Oh, Woon-Yong,Do, Kyoung-Tag,Cho, Byung-Wook,Park, Kyung-Do,Kim, Sung-Hoon,Lee, Hak-Kyo,Shin, Young-Soo,Cho, Young-Seuk 한국데이터정보과학회 2011 한국데이터정보과학회지 Vol.22 No.3
'말산업육성법' 제정에 따라 국내 승마산업의 저변확대를 위해 자질이 우수한 국내산 승용마 생산 및 개량에 대한 연구가 절실히 필요한 실정이다. 따라서 본 논문에서는 국내에서 승용마로 활용되고 있는 3품종 (웜블러드, 더러브렛, 제주산마) 32두에 대해 12항목의 체형을 측정하여, 측정자료를 바탕으로 판별분석을 실시한 결과 81.3%가 정확하게 분류되는 것을 확인 할 수 있었다. 본 연구의 결과는 향후 체구성 분석을 통한 말의 유형 (경주마, 승용마, 재활치료마, 역용마, 비육마) 및 승용마 외모 심사를 판단하는 모형 개발에 기초자료로 활용될 것이며 이는 향후 3D 영상촬영측정치를 활용한 한국형 승용마 생산 및 개량화 연구에 활용될 것으로 사료된다. There are increasing demands for the producing and breeding new domestic riding horses for the vitalizations of horse riding industry in Korea, according as 'Horse Industry Support Act' became. In this study, we were to develop the functional relation through the conformation comparison & body composition analysis. 76 heads of 5 breeds utilized for riding horses in Korea were used and their body measurements on 12 items were measured and cluster analysis was conducted to determine the correlation relation among them. The measurements were standardized that (height, croup height, pelvis length), and (hip width, width of pelvis) were highly correlated. In these results of the decision tree, we confirmed to classify the breed type determination by their body measurements (hip height, hip width, head length, croup height). This result can be used as basic data for the development of horse type determination (racing, riding, Riding for the Disabled, Working, or fattening) through the analysis of body composition, and be utilized as the basic data for the producing and breeding new domestic riding horses through the 3D Stereosocpic image system analyze.
Scenedesmus sp.로부터 Taguchi 법을 이용한 지방추출의 최적화
김나영(Na-Young Kim),오성호(Sung-Ho Oh),최운용(Woon Yong Choi),이현용(Hyeon-Yong Lee),이신영(Shin-Young Lee) 한국생물공학회 2010 KSBB Journal Vol.25 No.4
For the biodiesel fuel production from microalgae, the lipid from wet and dry samples of green algae Scenedesmus sp. was extracted by using various solvents and pre-treatment methods. Extraction yield of the lyophilized sample was better than that of dry sample. Chloroform/methanol (2:1, v/v) and ultrasonication or homogenization method were also selected as the most effective solvent and pre-treatment methods for lipid extraction, respectively. Under these constraint conditions, optimization experiment of lipid extraction was investigated by Taguchi approach using orthogonal matrix L9 (3⁴) method. The optimum extraction conditions of lipid extraction was obtained at pre-treatment of homogenization, extraction time of 5 hour, temperature of 35°C, and solvent ratio of 1:20 (w/v). Yield of extraction at optimized condition was 20.55% and it was 96% of total lipid content (21.38%) of Scenedesmus sp.
미토콘드리아 DNA D-loop Region 의 PCR - RFLP 를 이용한 한우 , 제주 재래한우와 타 품종과의 유전적 관계 분석
이성수,고서봉,오운용,양영훈,김규일,조병욱 ( Sung Soo Lee,Seo Bong Ko,Woon Yong Oh,Young Hoon Yang,Kyu Il Kim,Byung Wook Cho ) 한국축산학회 1998 한국축산학회지 Vol.40 No.4
This study was conducted to determine molecular genetic differences between Korean native cattle and Cheju native cattle and also investigated phylogenetic relatiqnships to other cattle breeds using PCR-RFLP analysis of mtDNA D-loop region. The cable breeds investigated were Korean native cattle, Cheju native black cattle, Cheju native yellow cattle, Aberdeen Angus, Charolais, Hereford and Holstein. Seventy DNA samples from 7 breeds (10 samples/breed) were examined at 29 sites restricted by 10 enzymes, of which 8 enzymes showed polymorphism when the D-loop region was digested. The 8 enzymes were Msp I, Rsa I, BstX I, Hsp92II, Mbo I, Hxm, Ava II and Hinc II, and on the other hand the two enzymes, Hha I and BamH I, showed no polymorphism. Restriction types and polymorphic sites were used to construct a phylogenetic tree, where Korean native cattle was more closely clustered with Cheju native yellow cattle than the other breeds.
Scenedesmus sp.로 부터의 지방 추출, 정제 및 특성
김나영(Na-Young Kim),오성호(Sung-Ho Oh),최운용(Woon Yong Choi),이현용(Hyeon-Yong Lee),이신영(Shin-Young Lee) 한국생물공학회 2010 KSBB Journal Vol.25 No.4
Lipid from Scenedesmus sp. was extracted, fractionated and purified by silicic acid column chromatography. Total lipid content of extract was 21.38 ± 1.03 wt%, and triacylglycerol, an index lipid for biodiesel production was detected. Ten species of C16∼C22 with saturated and unsaturated fatty acid were identified showing the very adequate fatty acid profiles for biodiesel production with a good flow property at low temperature. The fractions of glycolipid, neutral and phospholipid were 52.64, 28.10 and 19.26% of total lipid, respectively. The triacylglycerol of 12.63% and chlorophyll a of 49.47% was fractioned using stepwise elution of n-hexane-diethyl ether (95:5, v/v) solvent. The high content of chlorophyll was considered as a potential source of value-added co-product.
홍대영,백광제,이경룡,권운용,박준석,어은경,오범진,이미진,이성우,서주현,노형근,김준식,Hong, Dae-Young,Baek, Kwang-Je,Lee, Kyeong-Ryong,Kwon, Woon-Yong,Park, Joon-Seok,Eo, Eun-Kyung,Oh, Bum-Jin,Lee, Mi-Jin,Lee, Sung-Woo,Suh, Joo-Hyun,Roh, 대한임상독성학회 2007 대한임상독성학회지 Vol.5 No.1
Purpose: Owing to organophosphate-pyrethroid mixtures are widely used, suicidal or unintentional poisoning is common. But there have been relatively few reports of poisoning. The purpose of this study is to evaluate the difference of the severity and toxicity between organophosphate-pyrethroid mixtures poisoning and single organophosphate poisoning. Methods: From August 2005 to July 2006, 65 patients presented with organophosphate-pyrethroid mixtures poisoning to emergency medical center. Date were gathered by report form it was drawn up. Results: 65 patients were enrolled in 28 hospitals and their mean age was $56.5{\pm}16.2$ years old. The most common cause of poisoning was suicide, in 52 cases(80%). Chlorpyrifos-cypermethrin, malathion-esfenvalerate were the most frequent chemicals involved, and the mean ingestion amount was 135.4ml. The most common symptom of the patients was nausea/vomiting, in 16 patients. The average GCS score was 13. The mean ICU stay was $4.4{\pm}5.2$ days, and mortality was 3.1%. Conclusion: The severity and toxicity of organophosphate-pyrethroid mixture poisoning were lower than that of single organophosphate poisoning.
Chlorella vulgaris의 지질 추출 후 부산물의 영양학적 및 관능적 평가
오성호(Sung Ho Oh),최운용(Woon Yong Choi),서용창(Yong Chang Seo),김가빈(Ga Bin Kim),이신영(Shin Young Lee),정경환(Kyung Hwan Jeong),강도형(Do Hyung Kang),이현용(Hyeon Yong Lee) 한국식품영양과학회 2010 한국식품영양과학회지 Vol.39 No.6
본 연구는 단단한 세포벽을 이루고 있어 지질 추출 및 유용 물질의 용출이 어려운 C. vulgaris를 이용하여, 1200 psi의 압력으로 1회 및 2회의 homogenization 전 처리가 이루어졌으며, chloroform-methanol 혼합 용액으로 기존 65℃ 온도에서 짧은 시간(1 hr) 동안 비등이 이루어지던 것과는 달리, 35℃ 온도조건에서 적정시간(5 hr) 동안 교반하는 최적 용매추출법으로 얻어낸 지질 추출 부산물에 대한 식품영양학적 가치 평가와 세포독성, 면역 활성 탐색을 통하여 식품 첨가물로 이용 가능성을 확인하였다. 일반성분 및 무기질, 아미노산 함량 분석결과 대부분의 유용 물질의 용출량이 증가하였으며, 특히 HCM-35는 총 열량의 감소와 함께 carbohydrate와 crude protein이 각각 30.8%, 56.8%로 높았으며, 그 외 필수 mineral 및 아미노산 함량의 증가를 통하여 다이어트 및 건강식품 첨가물로서 높은 가치를 확인했다. 또한, 정상세포(HEK293, HEL299)에 대한 세포독성은 16% 이하로 낮으며, 면역증진 효과를 분석한 결과 면역 B세포와 T세포에서 각각 12.8×10⁴ cells/mL, 11.9×10⁴ cells/mL로 6일째 가장 높은 생육도를 보였으며, 추출 전 C. vulgaris와 비교하여 큰 차이가 없었다. C. vulgaris의 부산물은 높은 식품학적 및 생리활성 가치가 있다고 사료되며, 부산물의 소재화 가치가 높고, 특히 식품첨가물 이용 시, 다이어트 및 면역 기능을 통한 건강 향상이 기대된다. 또한 색깔, 매끈한 정도, 향기에 관한 관능 성 평가에서 높은 점수를 나타내어, 다이어트 및 건강보조식품 첨가물로 이용될 수 있을 것이다. 더 나아가 이와 같은 부산물 이용은 환경 친화적 자원 내 에너지 절약형 산업으로 환경오염문제 해결 및 산업구조 고도화에 기여할 것으로 기대된다. Marine alga, Chlorella vulgaris, was extracted by chloroform-methanol (2:1, v/v) solvents for lipid extraction at 35℃ for five hours (HCM-35) and its process was compared with conventional lipid extraction condition such as chloroform-methanol (2:1, v/v) at 65℃ for one hour (CM-65). This low temperature extraction process showed that 80% of total lipid was extracted and its residues contained relatively unchanged amounts of intact proteins and other minerals as well as amino acid profiles. Interestingly enough, the weight fraction of carbohydrate in the residues slightly increased due to less denaturation at low process temperature. The biological activities of the residues such as cytotoxicity and immune cell growth activation were not much changed after being extracted. The sensory evaluation were found to be very favorable for being used as a food additive and/or food supplement. This result could also help to maintain the economic feasibility of utilizing marine resources in food and other relevant industries.
Chlorophenoxy계 제초제 중독 환자 임상 양상
조영순,김호중,오범진,서주현,권운용,박준석,어은경,이미진,이성우,노형근,임훈,Cho, Young-Soon,Kim, Ho-Jung,Oh, Bum-Jin,Suh, Joo-Hyun,Kwon, Woon-Yong,Park, Joon-Seok,Eo, Eun-Kyung,Lee, Mi-Jin,Lee, Sung-Woo,Roh, Hyung-Keun,Lim, Hoon 대한임상독성학회 2007 대한임상독성학회지 Vol.5 No.2
Purpose: There have been relatively few reports of chlorophenoxy herbicide poisoning. The purpose of this study is to analyze the general characteristics and clinical aspects of the chlorophenoxy herbicide intoxicated patients in Korea. Methods: We prospectively evaluated the chlorophenoxy herbicide intoxicated patients visiting to the 38 emergency medical centers in Korea from the 1 August 2005 to the 31 July 2006. Results: 24 patients were enrolled during the study periods. Their mean age was 55.7 years old. The median amount of the chlorophenoxy herbicide intoxicated is 150 mL. The most frequent location where the patients obtained and took the chlorophenoxy herbicide was their home. Frequent compounds involving chlorophenoxy herbicide poisoning were dicamba(66.7%), MCPP(16.7%), and 2,4-D(12.5%). The most common symptom of the patients was confusion and vomiting. 16 patients(66.7%) intended to suicide. 3 patients out of 24 patients(13.0%) were died. Conclusion: There were 24 patients intoxicated by the chlorophenoxy herbicide during the study periods. The mortality rate was 13.0%. The suicidal attempts and the numbers of death involving chlorophenoxy herbicide were high in Korea.
장티푸스 환아에서 병발한 급성 신부전을 동반한 급성 간질성 신염 1례
오정민,이나라,임형은,유기환,정운용,홍영숙,이주원,Oh, Jung-Min,Lee, Na-Ra,Yim, Hyung-Eun,Yoo, Kee-Hwan,Jeong, Woon-Yong,Hong, Young-Sook,Lee, Joo-Won 대한소아신장학회 2010 Childhood kidney diseases Vol.14 No.2
장티푸스에 의한 신장 합병증은 전체 환자의 2-3% 정도로, 소아에서는 드물게 발견되며 최근 위생상태의 호전으로 장티푸스 발생율은 점점 감소하고 있다. 저자들은 장기간의 발열, 구토, 설사를 보였던 환아에서 단백뇨, 신기능 저하 소견이 나타나 경피적 신생검을 시행하여 급성 간질성 신염 소견이 증명된 환자를 경험하였기에 이를 보고하는 바이다. Typhoid fever is a systemic infectious disease which affects many organs. In children, few cases have been reported of acute nephritic syndrome in typhoid fever. We report an immunocompetent 9-year old girl with typhoid fever complicated by acute tubulointerstitial nephritis who presented with prolonged fever and acute renal failure.