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노광수,박웅섭 관동대학교 의과학연구소 2000 關東醫大學術誌 Vol.4 No.1
Breast pain and tenderness occurs regularly in some women during the luteal phase of the menstrual cycle. But clinical and research literature focusing on cyclical mastalgia was rare. So descriptive study was conducted to examine the prevalence of breast pain, the impact of cyclic mastalgia on various activities. Young females at Kwandong University(n=114) completed a questionnaire. Sixty-three percent of women reported regular premenstrual discomfort. Current moderate-to-severe cyclic mastalgia was found in 14.9%. Mastalgia interferes with usual physical activity in 73% of women and with social (13%) and with sleep (26.7%). Cyclic mastalgia is common problem, sometimes severe enough to interfere with usual activities. Largely ignored both scientifically and clinically in the Korea, this disorder merit further biopsychosocial investigation.
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Influence of Benzyladenine on in vitro Growth, Chlorophyll and Photosynthetic Enzymes in Tobacco
노광수,김유미,Roh Kwang-Soo,Kim Yu-Mi Korean Society of Life Science 2006 생명과학회지 Vol.16 No.3
담배에서 기내 생장, 엽록소 및 광합성 효소인 rubisco와 rubisco activase에 미치는 벤질 아데닌(BA)의 영향을 연구하였다. 여러 농도의 BA 처리 후 11주에 2 ${\mu}M$의 농도에서 기내 생장과 엽록소의 함량이 가장 현저하였다. Rubisco의 함량은 BA의 농도가 증가함에 따라 같이 증가하여 2 ${\mu}M$에서 가장 높았으나, 이후 농도의 증가에 따라 감소함으로서 억제 현상을 보였다. Rubisco의 활성 또한 함량과 같은 현상을 나타냈다. 이 결과들은 rubisco의 활성이 함량과 연관되어 있음을 의미한다. Rubisco에 대한 이러한 효과가 rubisco activase와 관련되어 있을 것이라는 가정하에 이 효소의 함량과 활성을 측정한 결과, 2 ${\mu}M$ BA에서 가장 증가하였다. 이러한 결과들을 종합하면 BA에 의한 rubisco의 활성화 효과는 rubisco activase와 관련되어 있음을 보여준다. The influence of $N^6-benzyladenine$ (BA) on in vitro growth, chlorophyll, rubisco and rubisco activase were studied in tobacco. After 11 weeks of treatment of various concentrations of BA, the most pronounced effect on in vitro growth and chlorophyll was found at 2 ${\mu}M$ BA. Rubisco content increased with increasing concentrations of BA, but a point at 2 ${\mu}M$ BA was reached beyond which increasing concentrations of BA cause inhibition of this enzyme. Rubisco activity showed patterns of change similar to rubisco content. These data suggest that rubisco activity was associated with an amount of rubisco protein. Under the assumption that effects of BA on rubisco may be related to by rubisco activase, in addition to, its content and activity were determined. The rubisco activase content at 2 ${\mu}M$ BA was more increased than other treatments. A similar change pattern was also observed in activity of rubisco activase. These results suggest that the effects of the activation of rubisco by BA seem to be related with rubisco activase.
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담배 유식물의 생장과 Rubisco에 미치는 카드뮴의 효과에 대한 질산염의 영향
노광수,Roh, Kwang-Soo 한국생명과학회 2007 생명과학회지 Vol.17 No.5
담배 유식물의 생장, 엽록소 및 광합성 효소에 대한 카드뮴과 질산염의 영향에 대해 연구하였다. 카드뮴에 의한 억제된 생장은 질산염에 의해 회복되지 않았다. 엽록소 a와 b의 함량은 카드뮴에 의해 감소하였으며, 카드뮴과 질산염 혼합처리구는 카드뮴 처리구보다 엽록소 함량이 감소하였다. 카드윰 처리구에서의 rubisco의 활성과 함량은 대조구에서의 함량보다 현저히 작았다. 이는 rubisco의 활성이 함량과 연관되어 있으며, rubisco의 활성화와 합성이 카드뮴에 의해 저해된다는 것을 의미한다. 카드뮴에 의해 감소된 rubisco의 활성과 함량은 질산염에 의해 더욱 더 감소되었다. 이와 비슷한 변화가 rubisco activase의 활성과 함량에서도 관찰되었다. 이 결과들은 카드뮴과 질산염에 의해 유도되는 rubisco의 변화가 rubisco activase와 서로 연관되어 있음을 의미하며, 질산염은 직접적으로 rubisco의 활성화와 합성에 관여 할 뿐만 아니라 rubisco activase를 통해서도 rubisco의 수준에 관여하는 것으로 해석된다. This investigation was performed to study the influence of Cd and nitrate on growth, and chlorophyll and photosynthetic enzymes in seedling of tobacco. Growth inhibition by Cd was not recovered by nitrate. Chlorophyll levels were reduced by Cd. The combination of Cd and low concentration of nitrate decreased the chlorophyll content compared to that in plants exposed only to Cd. Activity and content of rubisco at Cd treatment was significantly lesser than in plants receiving no treatment, These data suggest that rubisco activity was associated with an amount of rubisco protein, and that the activation and synthesis of rubisco is inhibited by Cd. Both the activity and content of rubisco decreased by Cd were more decreased by nitrate. A similar change pattern was also observed in activity and content of rubisco activase. These results suggest that Cd- and nitrate-induced changes of rubisco could be correlated with rubisco activase, and that nitrate was concerned in not only the activation and synthesis of rubisco directly, but also rubisco activase leading to a large change in rubisco.
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$YBa_2Cu_3O_x$초전도체의 액상 소결과 $Y_2BaCuO_5$를 이용한 입자 크기 제어
노광수,이정용,위당문 한국세라믹학회 1990 한국세라믹학회지 Vol.27 No.3
YBa2Cu3Ox ceramics superconductors fabricated using solid state reaction usually contain second phases, such as BaCuO2 and CuO. These second phases are located long the grain boundaries and enhance the abnormal growth of YBa2Cu3Ox grains and, consequently, generate the microcracks. These second phaases were reduced by adding Y2BaCuO5 into solid state reacted YBa2Cu3Ox ceramics. Y2BaCuO5 reacts with grain boundary second phases and reduces the grian size of the ceramics. It was observed the critical current density was improved by adding Y2BaCuO5 into solid state reacted YBa2Cu3Ox ceramic superconductor.
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Cadmium Toxicity and Calcium Effect on Growth and Photosynthesis of Tobacco
노광수,진휘승,Roh Kwang Soo,Chin Hiw Seung Korean Society of Life Science 2005 생명과학회지 Vol.15 No.3
담배의 생장과 광합성 색소 및 효소에 대한 카드뮴의 독성과 이에 대한 칼슘의 영향을 연구하였다. 카드뮴에 의한 생장과 엽록소 수준에서의 억제 현상은 칼슘에 의해 회복되었다. 특히, 엽록소의 함량은 카드뮴만 처리한 것 보다 카드뮴과 칼슘을 같이 처리하였을 때 현저하게 증가하였다. 또한 rubisco의 활성과 함량은 카드뮴을 처리한 것 보다 처리하지 않았을 때 현저하게 감소하였으며, 카드뮴의 이러한 효과는 칼슘에 의해 환원되었다. Rubisco activase의 활성과 함량도 rubisco와 같은 경향을 보였다. Rubisco에서 카드뮴과 칼슘에 의해 유도되는 이와 같은 변화는 rubisco activase에 의해 기인됨을 의미한다. This investigation was performed to study Cd toxicity and the influence of Ca on Cd toxicity in growth, and photosynthetic pigments and enzymes in tobacco. Cd inhibited both growth and level of chlorophyll, but the inhibition was compensated by the treatment of Ca. Especially, chlorophyll content was significantly increased by the combination of Cd and Ca treatment compared with Cd treatment alone. In addition, activity and content of rubisco by Cd treatment was also significantly lesser than the non-treated control. The highly reduced activity of rubisco was minimized by the combined treatment of Ca to Cd. Rubisco activase activity and content also showed a pattern of change similar to the rubisco level, suggesting that Cd- and Ca-induced changes of rubisco could be caused by rubisco activase.
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