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ABTS 법을 이용한 유단백질 가수분해물의 항산화 활성 측정
우성호,김거유 한국축산식품학회 2006 심포지움 및 학술발표회 Vol.- No.37
Casein과 whey의 가수분해 물에 대한 항산화 능을 측정하기 위해 연구를 수행하였다. pH에 따른 Total antioxidant capacity(TAC)는 casein 및 whey 모두 pH 6.0 에서 보다 pH 7.4에서 더 높은 TAC 결과를 나타내었다. Casein이 whey보다 농도가 증가함에 따라 TAC 값이 증가하였으며 이는 배양시간이나 pH에 따른 TAC 측정에서와 같이 casein이 whey보다 더 높은 TAC 값을 나타내고 있으나, 2,000μg/mL에서는 TAC 값이 감소하여 casein, whey 모두 유사한 TAC 값을 나타내었다. Trypsin에 의한 casein 및 whey의 가수분해는 반응 10분 이후부터는 NPN 량이 더 이상 증가하지 않았으며 casein보다 whey가 분해율이 낮았다. Trypsin처리한 casein과 whey의 TAC를 측정한 결과로서 trypsin 처리구가 무처리구에 비해 높은 TAC 결과를 나타내었다.
우성호,이승복,김경환,이광재,류성희,김종범,배귀남 한국입자에어로졸학회 2014 Particle and Aerosol Research Vol.10 No.2
Five on-road measurements were made using a mobile laboratory (ML) to characterize spatial and temporal air pollutant distributions over roads around a day-care center in urban area on 30 August 2013. Fixed monitoring was also done near the day-care center using the ML during the periods between on-road measurements. On-road air pollution monitoring route was classified into seven sections and three zones to identify severe polluted roads among many roads having different traffic volumes and directions. Typical pollutants emitted from vehicles such as NOx, black carbon, particle-bound polycyclic aromatic hydrocarbons, and submicron particles including nanoparticles were monitored using real-time instruments. Peak concentration episodes were frequently observed during the on-road measurements and most peaks were simultaneously monitored at four pollutants. Colored on-road air pollution map for each pollutant provides an insight on spatial air pollution distribution, showing heavily polluted roads and sections. Average on-road NOx concentration of each run was similar to that monitored at the nearest roadside air monitoring station.
옻나무 첨가 사료 급여에 따른 한우육 및 돈육의 저장 중 미생물의 변화
우성호,홍석민,박용국,권일경,김거유 한국축산식품학회 2005 심포지움 및 학술발표회 Vol.- No.35
옻나무 첨가 사료를 급여하여 사육한 한우육과 돈육의 위생학적 품질을 시험하기 위하여 Pseudomonas aeruginosa를 각 한우육과 돈육에 접종하여 저장 중 접종한 균의 생육을 측정하였다. 옻 급여 기간에 따른 우육의 미생물 변화에서는 옻이 4% 첨가된 사료를 4개월과5개월간 급여한 구가 저장 초기에 0℃, 5℃, 10℃에서 모두 상대적으로 낮은 수치를 보였다. 하지만 0℃와 5℃는 저장 7일째, 10℃는 저장 3일째부터 무 첨가구와 옻 첨가구간에 뚜렷한 차이를 발견할 수 없었으며, 옻나무 첨가 사료의 급여가 돈육의 저장 중 미생물의 변화에 미치는 영향은 저장 온도 0℃와 5℃의 경우에는 옻나무 첨가에 의한 Pseudomonas aeruginosa의 억제 효과가 거의 나타나지 않았다. 10℃의 경우 저장 3일째까지 옻나무 첨가구가 무 첨가구 보다 낮은 균수를 나타내었다.
Simple process for low-cost DSSC counter electrode using conducting polymer composite
우성호,김성곤 한국공업화학회 2015 한국공업화학회 연구논문 초록집 Vol.2015 No.1
Dye-sensitized solar cells (DSSCs) have been under intensive investigation academically and in the industry section due to their high energy conversion efficiency of over 12% and simple fabrication processes. DSSCs consist of dye molecules adsorbed on nano crystalline TiO<sub>2</sub> photo-electrode (PE) layers, liquid electrolytes containing a dissolved I-/I3 - redox couple, and platinum (Pt) counter electrode (CE) layers. CE should have high conductivity, catalytic activity, and stability for reduction in redox species. High temperature (above 400°C) thermal reduction of the Pt precursor (H<sub>2</sub>PtCl<sub>6</sub> in 2-propanol) is used as the representative CE of DSSCs. However, to achieve flexible DSSCs, the thermally reduced Pt counter electrode (CE) should be replaced by low temperature process and material, because most flexible plastic substrates cannot bear at high temperature up to 400°C. Hence it is strongly required to develop a process that can reduce the annealing temperature. Here we examined the feasibility of the conducting polymer-metal nanoparticle nanocomposite as a CE for DSSCs.
뇌경색 후유증 환자의 고지혈증과 변비에 대한 함초환(鹹草丸) 호전 1례
우성호,김병철,김진원,정병주,나유진,심효주,김용호,서호석,이원희,Woo, Sung-Ho,Kim, Byung-Chul,Kim, Jin-Won,Jeong, Byeong-Ju,Na, Eu-Jin,Shim, Hyo-Ju,Kim, Yong-Ho,Seo, Ho-Seok,Lee, Won-Hui 대한한방내과학회 2006 大韓韓方內科學會誌 Vol.27 No.4
Hyperlipidemia is one of the major factors causing the atherosclerosis of coronary arteries and a well-documented modifiable risk factor for stroke, especially of the ischemic type. Constipation is the condition of being unable to empty the bowels frequently enough or effectively. However, it is usually temporary and not a serious disease. Salicornia herbacea is a sea coast plant that grows on the western and southern coastal beaches and salt flats of the Korean peninsula. Belonging to Chenopodiaceae by biological classification. Salicornia herbacea is not known from research except that it contains plenty of minerals. The purpose of this study was to evaluate the effect of treatment with Hamcho-hwanand to observe changes in total cholesterol (T-Chol) high-density lipoprotein cholesterol (HDL), triglyceride (TG) and constipation. After treatment, total cholesterol decreased from 273mg/dl to 235mg/dl. Triglyceride decreased from 201mg/dl to 126mg/dl. HDL cholesterol increased from 30mg/dl to 40mg/dl. Constipation changed for the better. These results support a role for oriental medical therapy in treating hyperlipidemia and constipation. Further case studies of herbal treatment of this ailment are needed.