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한우, 칡소 및 제주 흑우 Calpain-Calpastatin 유전자 다양성
이승환,김승창,조수현,최봉환,Aditi Sharma,임다정,당창권,장선식,김재환,고문석,양보석,강희설 충남대학교 농업과학연구소 2013 농업과학연구 Vol.40 No.2
The aim of study was to investigate genetic diversity for the calpain/calpastatin gene in three Hanwoo breeds [(Brown (n=62), Brindle (n=81) and Jeju Black (n=30)]. Random samples from three breeds of Hanwoo were selected and genotyped for the 7 SNPs of calpain/calpastatin using TaqMan method. Allele frequencies were investigated for CAPN1/CAST gene. Allele frequency of CAST2 SNP was 0.75, 0.59 and 0.22 for Brown, Brindle and Jeju black, respectively. The CAST3 revealed allele frequency of 0.59 and 0.57 in Brown and Jeju Black, while it showed very low allele frequency (0.07) in Brindle. In particular, favorable allele (G allele) for the CAPN1-2 SNP which was shown a strong association with tenderness in Taurine and Indicine cattle revealed 16% and 17% higher allele frequency in Brown Hanwoo (0.82) comparing Brindle (0.66) and Jeju Black Hanwoo (0.65). AMOVA demonstrated that among population variance occupied only 10% of total variance and among individual variance was 0%, while within individual variance was 90% of total variance. This result showed that population effect contributed very small portion of genetic to these three Hanwoo breeds, while within individual variance contributed large portion of genetic diversity within these Hanwoo breeds. In conclusion, three Hanwoo breeds (Brown, Brindle and Jeju black) showed a genetically homogeneous based on the 7 SNPs of CAPN1/CAST gene and it came from same ancestor to form modern Hanwoo breed.
복합문화공간의 색채계획 : 수원시 영통구 상업지구를 중심으로
서주환,여화선,최선주,박선영,김옥경,승지현,김홍균 경희대학교 부설 디자인연구원 2007 예술· 디자인학연구 Vol.10 No.1
The recognition on leisure living which have been enjoyed by prestige level from popular persons is now widely spreaded in modern capitalism society and change of the leisure living influenced very much to the society and Industry. The 5 day work per week system expanded to the school and contemporary leisure living of the people is recognised as one culture with various contents. This change of leisure living made a recognition on the need for a space for leisure culture contents, which related to a creation of Complex-culture facility to contain various type of multiple leisure culture. The Complex-culture facility is mainly focused on the entertainment space with increased leisure living, which is consist of important element of the Complex-culture facility as performance space, exhibition, sports and shopping space to construct performance hall, theater, exhibition room, sports center, shopping mall, leisure space and plaza. This study, therefore, will Investigate on the function and value of color, and review on the cases of Complex-cultural facility and then choose a space of cultural element lack. It will recompose in Complex-cultural facility.
ATO 복합사를 이용한 열차단 직물의 태양방사투과율 변화 연구
최주환,김대근,김선남,최동혁,이승걸,Choi, Joo Hwan,Kim, Dae Geun,Kim, Sun Nam,Choi, Dong Hyuk,Lee, Seung Geol 한국섬유공학회 2016 한국섬유공학회지 Vol.53 No.6
In this study, we manufactured ATO (antimony tin oxide) combined fibers to improve solar energy transmittance of sunscreen fabrics. The results indicate that the solar energy transmittance is improved with increasing sheath ratios and ATO content. We observed that the MS2-7W sample with 50:50 sheath/core ratio and 3 wt% of ATO content show the best performance. We also manufactured the sunscreen fabrics using the developed ATO combined fibers to check the performance of the thermal barrier. The results of the solar energy transmittance analysis show that an approximate 58% improvement was achieved for the thermal barrier over the commercial sunscreen fabric without any ATO content.
Taguchi 실험 계획법에 의한 CH₃SH 반도체 악취 가스 센서의 개발
김선태,최일환 한국대기환경학회 2004 한국대기환경학회지 Vol.20 No.6
In this study, a thick-film semiconductor odor gas sensor for the detection of CH₃SH was developed using SnO₂ as the main substrate and was Investigated in terms of Its sensitivity and reaction time In the process of manufacturing the sensor, Tagucht's design of experiment (DOE) was applied to analyze the effects of a variety of parameters, including the substrate, the additives and the fabrication conditions, systematically and effectively Eight trials or experiments could be possible using the 2^7 orthogonal array for the seven factors and two levels or condition, which originally demands 128 trials of experiments without DOE The additives of Sb₂O_(5) and PdCl₂ With the H₂PtCl_(6)ㆍ6H₂O catalyst were appeared to be Important factors to Improve the sensitivity, and CuO, Sb₂O_(5) V₂O_(5) and PdO were less Important In addition, T1O₂, V₂O5 and PdO would Improve the reaction time of a sensor, and CuO, Sb₂O5, PdCl₂ and H₂PtCl_(6)ㆍ6H₂O were negligible Being evaluated simultaneously in terms of both sensitivity and reaction time, the sensor showed the higher performance with the addition of T₁O₂ and PdO, but the opposite results with the addition of CuO, V₂O_(5), Sb₂O_(5) and PdCl₂ The amount of additives were superior in the case of 1 % than 4% H₂PtCl_(6)ㆍ6H₂O would play an important role for the increase of sensor performance as a catalyst
補中益氣湯과 少陰人 補中益氣湯 및 그 構成藥物群이 高血糖 白鼠의 抗酸化 效果에 미치는 影響
朴宣東,徐敎洙,朴元煥 대한본초학회 2001 大韓本草學會誌 Vol.16 No.2
This study was performed to research the antioxidant activities of Bojungikgitang(補中益氣湯), Soeumin Bojungikgitant(少陰人 補中益氣湯) and its component groups. The experimental group was divided into five groups: Bojungikgitang(B1), Soeumin Bojungikgitang(B2), Bogihyulyak(B0 group), Siho-sengma(B1+) and Gwakhyang-soyeup(B2+). The results were obtained as follows: The level of glucose in control group was considerably increased as much as three times compared with normal group. And in experimental groups, B1 and B2 groups decreased the level of glucose in serum with significancy. And B0, B1+ and B2+ groups also decreased the level of glucose significantly. in vitro; All experimental groups had significant antioxidant activity in linoleic acid system on concentration in comparison with control group, especially B2+ group was higher than any others. In DPPH radical scavenging experiment and inhibitory effect experiment on superoxide generation in xanthine-xanthine oxidase system showed that all experimental groups had some scavenging activity on concentration. In the inhibitory effect experiment on lipid peroxidation reaction in H₂O₂-Fe^2- system showed that each experimental groups had inhibitory effects on lipid peroxidation reaction compared with control group. in vivo; the amounts of lipid peroxide in serum and liver B1 and B2 group were reduced with significancy, and in other groups also were reduced significantly. In hepatic catalase activity test, all experimental groups showed increasing catalase activity significantly but B1 and B2 group with no significancy. In the hepatic glutathione measurement experiment, B1, B2 and B0 groups increased in comparison with control group significantly. And in the activity test of Glutathione- S-transferase, B1, B2 and B0 groups decresed in comparison with control group significantly. As result B1 and B2 groups has exhibited the better antioxidant activities than other groups in vivo. And in component groups, the effects of B0 group were best. These result suggest that in diabetes and antioxidative activity, Bojungikgitant(補中益氣湯) and Soeumin Bojungikgitang(少陰人 補中益氣湯) have strong antioxidant activity with no difference, and it is useful to prevent diabetes which is relevant of peroxidative damage by free radical.