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- 저자 : 황성우(Sung Woo, Hwang) (검색결과 76 건)
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감국(Chrysanthemum indicum L.) 추출물과 분획물의 항산화 및 α-Glucosidase와 PTP1B 저해 활성
황성우,이훈연,차지윤,김보람,박민,이보리,문광현,이정호,김대근,김욱,정경옥,이영미,Hwang, Sung-Woo,Cha, Ji-Yun,Lee, Hoon-Yeon,Kim, Bo-Ram,Park, Min,Lee, Bo-Ri,Moon, Kwang- Hyun,Lee, Jeong-Ho,Kim, Dae-Geun,Kim, Wook,Jeong, Kyoung-Ok,Lee, 동아시아식생활학회 2017 동아시아식생활학회지 Vol.27 No.2
In this study, we evaluated the polyphenol content, flavonoid content, antioxidant and biological of 70% EtOH extract and its fractions (dichloromethane, ethyl acetate and water) of the plant Chrysanthemum indicum L. (CI) belonging to family chrysanthemum. antioxidant activity was determined 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2'-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS), and superoxide scavenging activity. The biological activity tests included measurement of ${\alpha}$-glucosidase and PTP1B. The results show that content of polyphenol and flavonoid in 70% EtOH of CI 30.20 mg and 31.58 mg, respectively. Among the different samples, ethyl acetate (EA) fraction showed the highest level of polyphenol (87.87 mg) and flavonoid (65.12 mg). The DPPH, ABTS and superoxide dismutase(SOD) antioxidant assay of EA fraction showed 93.84%, 93.38% and 84.68% inhibition respectively. The EA fraction also showed the highest antioxidant activity compared to 70% EtOH extract and other fractions. EA fraction ($20{\mu}g/mL$) showed the highest 30.29% and 99.24%, respectively compared to other samples. The results of this study show that the EA fraction contained more antioxidant and antidiabetic components than 70% EtOH extract and other fractions. In conclusion, we believe that CI may be useful natural antioxidant and functional material.
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황성우(Hwang Sung-Woo) 한국중동부유럽학회 2012 동유럽발칸학 Vol.14 No.1
People who want to dominate time and calendar are those who are willing to control the world and the universe. From the standpoint of ancient times, controlling time is meant by keeping the peoples under one's own control, and that it is connected with conquering the world. Those who had wanted to be put time under the control of their power are, for example, Druids in the ancient times, the Pope Gregory XIII in middle ages, French revolutionaries, and even Bolsheviks including Stalin in 20th century, and so on. To the people who wanted to take hegemony, time and calendar meant ideological shield, the instrument for political power, and religious weapon. As mentioned in the text, Bolsheviks' and Stalin's calendar reforms were indispensable to Soviet Union. Because, it is very important and essential for maintaining soviet political power. After Russian Revolution in 1917, Bolsheviks declared various calendar reform steps for devising soviet calendars. The purposes of calendar reform are, firstly, to emphasize political, economic, social, ethnic implication of socialist revolution, secondly, to announce officially success of revolution to international society, thirdly, to propagandize publicly legitimacy of Bolshevik Revolution. By legislating socialist official anniversary related to historical events and even by forcing soviet people to celebrate them, Bolsheviks including Lenin and Stalin intended to seek permanence of socialist time and space.
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황성우(Hwang Sung-Woo) 한국중동부유럽학회 2011 동유럽발칸학 Vol.13 No.1
There is a road, as explains the Russian Primary Chronicle, ‘from the Varagians to the Greeks’ trade route. This water road from the Baltic sea to the Black sea through the grand portage system became the basis of the first Russian state, known as Novgorod principality and Kievan Rus. From this time, for four centuries of Russian history this trade route had played important roles of building and developing Russian state. From the earliest times, it is evident that the rivers determined the direction of colonization and expansion as well as creation of the ancient political organizations in Russia. The portages (called volok in Russian) system were of strategic significance of this highway. The portages between rivers and lakes usually served as territorial and state boundaries, and so to speak, they were the mountains in vast East European plain of Russia. Novgorod principality and the Kievan Rus which dominated this trade route as geopolitical, geoeconomical region were able to prosper, because they controlled the trade route from the Baltic sea to the Black sea. And moreover trade route had an abundant supply of furs, wax, honey, slaves and so on. The fact is that expansion of Russian geographical space is a process. That is to say, such elements as people, rivers, and portages, ostrogs, monasteries, and furs were invaluable factors in Russia's action and development from principality to empire. Nowadays just as the railroads, canals, and highways have followed this process, their importances in Russian history must be emphasized much enough.
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감국(Chrysanthemum indicum L.) 추출물과 분획물의 항산화 및 α-Glucosidase와 PTP1B 저해 활성
황성우(Sung-Woo Hwang),이훈연(Hoon-Yeon Lee),차지윤(Ji-Yun Cha),김보람(Bo-Ram Kim),박민(Min Park),이보리(Bo-Ri Lee),문광현(Kwang- Hyun Moon),이정호(Jeong-Ho Lee),김대근(Dae-Geun Kim),김욱(Wook Kim),정경옥(Kyoung-Ok Jeong),이영미(Young 동아시아식생활학회 2017 동아시아식생활학회지 Vol.27 No.2
In this study, we evaluated the polyphenol content, flavonoid content, antioxidant and biological of 70% EtOH extract and its fractions (dichloromethane, ethyl acetate and water) of the plant Chrysanthemum indicum L. (CI) belonging to family chrysanthemum. antioxidant activity was determined 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2’-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS), and superoxide scavenging activity. The biological activity tests included measurement of α-glucosidase and PTP1B. The results show that content of polyphenol and flavonoid in 70% EtOH of CI 30.20 mg and 31.58 mg, respectively. Among the different samples, ethyl acetate (EA) fraction showed the highest level of polyphenol (87.87 mg) and flavonoid (65.12 mg). The DPPH, ABTS and superoxide dismutase(SOD) antioxidant assay of EA fraction showed 93.84%, 93.38% and 84.68% inhibition respectively. The EA fraction also showed the highest antioxidant activity compared to 70% EtOH extract and other fractions. EA fraction (20 μg/mL) showed the highest 30.29% and 99.24%, respectively compared to other samples. The results of this study show that the EA fraction contained more antioxidant and antidiabetic components than 70% EtOH extract and other fractions. In conclusion, we believe that CI may be useful natural antioxidant and functional material.
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황성우 ( Sung Woo Hwang ),이건정 ( Gun Jeong Lee ) 이화간호과학연구소 2015 Health & Nursing Vol.27 No.1
Purpose: The purpose of this study is to analyse of turnover status of reemployed nurses who had experienced career interruption and to provide the basic data on variety strategic development which will improve the effects of reemployment support program. Methods: A analysis was conducted using the data of self reported structured questionnaire from 201 nurses who were inactive nurses for more than one-year and reemployed to the medical institutions through the career support services. R e s u lt s : 37.8% of respondents are working in first reemployment institution, but 51.2% left first reemployment institution and moved to another one and 10.9% resigned the first reemployment institution. The major reasons for turnover of first reemployment institution were low salary(31.8%), heavy workloads(26.4%), difficulties of child-rearing(18.9%) and conflict within nursing organization (16.9%). Subgroup analysis show that 61.3% of nurses aged in 20’s moved first reemployment institutions, but 48.1% of nurses aged in 40’s worked in first reemployment institutions continuously, and 44.6% of nurses worked in long term care hospitals remained first reemployment institutions, but 61.1% of nurses worked in acute hospitals moved first reemployment institutions. Nurses worked in first reemployment institutions continuously had high earnings, but nurses who quitted the first reemployment institutions had low salary. Conclusion: For the continuation of the reemployment, improvement of salary are needed and more diverse reemployment programs are needed to fit various kinds of career interrupted nurses.
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황성우(Hwang Sung-Woo) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.3
Benefits of a dance is to impress the audience. In addition, how much the audiences are impressed is determined by how a dancer represents the beauty of art naturally during the performance. Dancers first have the intention of creation before creating a piece of dance. Depending on this intention of creation, the beauty of dance is divided into nobility, elegance, comedy and tragedy. Through the intention of creation of a dancer, it always shows the positive target ‘pursuit’ and negative target ‘frustration’ of a given situation and the target. Specifically, this intention of the creation can be given the pursuit of reality, the frustration of reality, the pursuit of ideal and the frustration of ideal. This research intends to study the intention of creation and also the beauty of art which can be created through the dancer’s intention of creation. First of all, the audience should figure out the dancer’s intention of creation in order to easily find the beauty of art. Enjoying and understanding of a dance performance is not only to have pleasure, but also to find the beauty of art naturally represented in the dance’s purpose of the creation.
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