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고탄수화물 식이투여 마우스에서 누에추출물이 소장내의 $\alpha$-glycosidase 활성에 미치는 영향
정성현,김미선,류강선,Jeong, Seong-Hyeon,Kim, Mi-Seon,Ryu, Gang-Seon 한국잠사학회 1997 한국잠사곤충학회지 Vol.39 No.1
The effects of silkworm extract on body weight, blood glucose and insulin levels, and an intestinal glycosidase activity were studied in high carbohydrate diet administered mice. Hyperglycemia and hyperinsulinemia represented in high carbohydrate diet administered mice disappeared when silkworm extract(50 mg) was added to 100 g diet for 10 week period. These results suggest that silkworm extract may resolve the insulin resistance by lowering serum insulin level resulting from inhibition of intestinal glycosidase activity. Silkworm extract coadministered with high carbohydrate diet to mice for 10 weeks significantly induced maltase, sucrase and lactase acivities, especially middle and distal portion. Further studies about regulatory mechanisms of glycosidase by silkworm extract are needed.
편타성 손상으로 인해 발생된 경부통의 한의학적 치료에 대한 국내 연구 동향
정성현,이현호,이기언,최지훈,김동후,이종하,Jeong, Seong-Hyun,Lee, Hyun-Ho,Lee, Gi-Eon,Choi, Ji-Hoon,Kim, Donghoo,Lee, Jong-Ha 한방재활의학과학회 2017 한방재활의학과학회지 Vol.27 No.4
Objectives We attempted to investigate the trends of Korean Medical treatments for neck pain caused by whiplash injury by analyzing domestic clinical studies. Methods We searched for studies listed on Korean electronic databases (KTKP, OASIS, RISS, KMbase, NDSL, KCI, and National Assembly Library). Clinical studies were chosen according to the inclusion criteria. Subsequently, we compared and analyzed the data. Results The search yielded 35 studies, of which there were 12 randomized controlled trials (RCTs), 15 non-randomized controlled trials (NRCTs), 6 case reports, and 2 before-after studies. Among these, 54.7% of participants were in the acute stage of the damage period. Pharmacopuncture was used the most in main treatment methods. Only 14.3% of studies mentioned approval by an institutional review board (IRB) and only 8.6% of studies considered side effects. Conclusions There is some evidence that Korean Medical treatment is effective for neck pain caused by whiplash injury. Since all studies, however, were exposed to the risk of bias. Therefore, future studies of a higher quality are required.
정성현(S. H. Jeong),권정희(J. H. Kwon),홍대선(D. S. Hong),이승영(S. Y. Lee) 한국생산제조학회 2009 한국공작기계학회 추계학술대회논문집 Vol.2009 No.-
A Swiss-type lathe in which the main spindle is horizontally moved while machining is frequently used for machining bar-type metals such as steel and titanium. Accompanying such a lath, a bar feeder unit is generally used for loading and supplying a set of bars. Currently, most bar feeders units using in industry are delivered from foreign country manufacturers. Meanwhile, especially when a long and small-diameter bar is machined, vibration or whirling of the bar is occurred, and successively it deteriorates the quality of the products. To overcome such problem, this study develops a bar feeder unit which can handle long and small round bars for Swiss-type lathes in such a manner that whirling of the bar being machined is minimized to ensure the product quality. In this bar feeder unit, a push-pull mechanism plays an important role of suppressing such whirling phenomena when a bar is being machined. This mechanism pulls the round bar when being machined while it pushed the bar when being supplied. The effect of pulling action to suppress whirling is verified through a series of experiments. The experimental results show that the developed bar feeder unit can successfully handle long and small round bar for Swiss-type lathes.
정성현(Seong-Hyeun Jeong),김승철(Seung-Chul Kim) 한국콘텐츠학회 2013 한국콘텐츠학회논문지 Vol.13 No.12
현대의학으로 아직 정복 하지 못한 암 질환에 대하여 치료행위 중 하나인 방사선치료에 참여하고 있는 전문직군에 대한 행위의 정당성과 적정 인력에 대하여 분석 하였다. 방사선종양학과(치료방사선과)가 설치된 의료기관에서 의학물리사의 역할이 현행 법 테두리 안에서 준 면허행위임에 틀림없으나 그 행위의 정당성을 부여받을 수 있는 현행 법 규정이 명확하지 않다. 따라서 국외 의학물리사의 인증자격 및 시험 등 제도를 조사하여 국내 규정에 반영할 수 있는 방안을 모색하였다. 더불어 의학물리사 행위가 위법성이 내재된 분야중 하나이기에 그 위법성을 조각할 수 있는 내용 중심으로 「의료법」과 「원자력안전법」,「의료분야의 방사선 안전관리에 관한 기술기준」에 따라 재해석 하였다. 결론적으로 「의료법」과 「의료분야의 방사선 안전관리에 관한 기술기준」에 합치되는 자격으로 인정하여, 증가하고 있는 방사선치료행위와 방사선 피폭의 안전관리에 대처해야 함이 타당할 것이다. Modern medicine has not yet conquered behavior therapy for cancer radiation treatment, which is one of the professional groups involved in the justification of the act and reasonable human resources was analyzed. Radiation Oncology(Therapeutic Radiology) installed the role of the medical physicist in the current law, the act must have been within the limits given licenses, but the legitimacy of the act which can be given the current laws and regulations are not clear. Thus, certification and testing outside the medical physicists research institutions, including the measures to be reflected in national legislation sought. Medical physicists, with the inherent illegality act because one of the areas to precluding the illegality of the content-based medical law and Nuclear Safety Law, medical technology in the field of radiation safety standards on management was based on the interpretation. In conclusion, medical law and in the field of medical technology on the management of radiation safety standards that are consistent with the recognition of qualifications, increased activity in the radiation therapy and radiation safety management must deal with this will be feasible.