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척추측만증 환자의 재활 치료 보조기 개발을 위한 구조 해석 모델 제시
박정일(Jeong Il Bak),윤호철(Ho Cheul Yoon),고흥(Heung Kou),염덕준(Deuk Joon Yum),선동윤(Dong Youn Sun),김영철(Young Chul Kim) 대한전기학회 2009 정보 및 제어 심포지엄 논문집 Vol.2009 No.5
The purpose of this study is to develop the auxiliary rehabilitation device for a patient of spinal curvature. The adolescent diopathic scoliosis(AIS) must be treated by rehabilitation brace if Cobb angle is 20°~40°. The rehabilitation brace is consist of 4 vest and 2 hinge parts (hinge and couple bar) that give a force to the ribs. But thin and light hinge parts for young patient failed easily because of unusual movement of the upper body. We studied optimum design and structural analysis of hinge parts when it distorted by tensile and bending force. The specimen of hinge parts were tested to evaluate the failure strength. And we attached circuits with memory and sensor detecting pressure and displacement to recoding stress in hinge parts. These data are used to alarm the patient to stop unusual movement and understand the load history.
박정일(Bak, Jeong-Il) 원광대학교 법학연구소 2008 圓光法學 Vol.24 No.2
In the Democratic and Capitalistic Society, the Right of Property is supposed to be protective, but it could be limited through the lawful contents and process under the purpose of Public Welfare. For the purpose like this, under our unique historical background and experiences, the restriction of land utilization has formed and improved in the flow of "First is Public Welfare, Second Private Right of Property". Also as Korean restriction of land utilization has had the character of Public Law depended on the strong government-centered power, when the interpretation of "Public Welfare", that is the core in the restriction of land utilization, is needed, national needs have been considered as Public Welfare. If we consider only Article 23, the Constitution, unlike in Germany and United States, Korean Constitution seems to guarantee the Right of Property even wider because it is stipulated that the infringement's range, that must be compensated, about the Right of Property includes the use or the restriction as well as the general expropriation. In fact, however, the Restriction, although there is no concrete compensation provision, is enforced because it is just thought as the reasonable obligation like in the Restriction of land utilization by Act of the Planning and Utilization of the National Territory. Recently, the Constitutional court has decided that, if the Restriction on the Right of Property exceeds the simple social restriction, the expropriation effect must be admitted. This is a big step in point of the balance and the harmony between the Protection of Private Right of Property and Public Welfare. There are still many things to be done. In this paper, I will suggest some alternative plans on the balance between the Right of Property on Constitution and the Restriction of Land Utilization for Public Welfare.
박정일(Jeong Hill Park),신준수(Joon Su Shin),김박광(Bak Kwang Kim),신영아(Young Ah Shin),문동철(Dong Cheul Moon) 한국응용약물학회 1996 Biomolecules & Therapeutics(구 응용약물학회지) Vol.4 No.3
We have synthesized the cinnamyl derivative of minoxidil, N-2-cinnamylamino-4-amino-6-piperidinopyrimidine 3-oxide(MINAMYL). Physicochemical properties and structural analysis on this compound were examined. And also, we have screened its antialopecic effect.
메틸 5-하이드록시 디나프로 [1,2-2'',3''] 후란-7,12 디온 6-카복시레이트의 물성 및 변색기전
장혜선(Hae Seon Jang),박유미(You Mie Park),강경환(Kyoung Hwan Kang),우영아(Young Ah Woo),박정일(Jeong Hill Park),김박광(Bak Kwang Kim) 대한약학회 1993 약학회지 Vol.37 No.2
Physico-chemical properties of methyl 5-hydroxy-dinaphtho[1,2-2'',3''] furan-7, 12-dione-6-carboxylate(MHDDC) were examined. The yellowish color of the solution at pH 8 below changes to a bluish color when the solution is basified to pH 10 above. This color change was presumed to a change of the molecular structure from a quinoid-type to a quinoid-type with the dissociation to the hydroxyl group as shown in chart 1.
김성원(Kim, Sung-Won),박정일(Bak, Jeong-Il0) 원광대학교 법학연구소 2011 圓光法學 Vol.27 No.4
The multi-purpose business for farming income stabilization from the rice fields is the public enterprise for keeping supply and demand of rice in balance by using the adequate acreage for rice, improving the degree of food self-support and keeping the right amount of rice fields. The business has been expanded to Public Property, the reclaimed land including the general rice fields. Actually, the reclaimed farmland is good only for rice but government has ignored this reclaimed land's characteristics and pushed ahead this business. In addition, differently from before, tenant farmers who farm the reclaimed land don't have the right of choice for agricultural products any more. Also they cannot choose but accept the contract government is offering in order to rent the reclaimed land for their living. The reclaimed farmland is for social benefit administration. So it should be used for farmers' better lives. By using tenant farmers' relatively disadvantageous position, however, government has changed the terms of the contract on using the reclaimed farmland unilaterally. In fact, social benefit administration is for public administration. So social benefit administration must be come under control of Public Law. To avoid this Public Law's binding force, however, government has allowed Public Property, the reclaimed farmland to be used by tenant farmers under Private Law. Though a lot of regulations and theories for solving this problem and protecting the tenant farmers have been established, there are still many things to be improved.
신준수,김경순,정기화,정춘식,고광호,박정일,허훈,김박광,Shin, Joon-Su,Kim, Kyoung-Soon,Jeong, Gi-Hwa,Cheong, Chun-Sik,Ko, Kwang-Ho,Park, Jeong-Hill,Huh, Hoon,Kim, Bak-Kwang 한국생약학회 1997 생약학회지 Vol.28 No.3
To elucidate antidiabetic activity of Lycii Fructus. The extract of the Lycii Fructus was subjected to bioactivity-guided fractionation. The extract of the Lycii Fructus was partitioned suceesively with hexane, dichloromethane, ethylacetate and butanol. The butanol fraction, which is most abundant in the Lycii Fructus was subjected to silica gel column chromatography and resulted in seven fractions namely Fr. I - Fr. VII. Among tested several subfractions, Fr IV. Showed the highest antidiabetic activity in the streptozotocin-induced model rat.
박만기(Man Ki Park),김박광(Bak Kwang Kim),박정일(Jeong Hill Park),김경호(Kyoung Ho Kim),이미영(Mi Yung Lee),정재은(Jae Eun Jung) 대한약학회 1990 약학회지 Vol.34 No.3
An ion chromatographic method based on indirect photometric detection of UV transparent anions was developed. Separation of anion was accomplished on strong anion exchange column (Waters SAX) using UV detector at 254 nm. Among examined UV-active additives (Dns-H, Dns-glu, Dns-ser, Dns-val), Dns-glu showed the highest sensitivity. Studies on the effects of the pH and ionic strength of eluent revealed that the increase of pH and ionic strength of the eluent decreased capacity factor. The best eluent for the separation of acetate, fluoride, chloride, nitrate and bromide was 1X10-4M Dns-glu in 5mM phosphate buffer (pH 6.30). The detection limit of chloride ion was 2.1ng in this condition.
김박광,박만기,조술연,이재신,한혜경,정춘식,정기화,박정일,Kim, Bak-Kwang,Park, Man-Ki,Cho, Sool-Yeon,Lee, Jae-Shin,Han, Hye-Kyung,Jeong, Choon-Sik,Jung, Ki-Hwa,Park, Jeong-Hill 한국생약학회 1997 생약학회지 Vol.28 No.2
Antidiabetic activity of several herbal drugs, which are used as antidiabetics in folkmedicine, was evaluated. Among tested herbal drugs, extract of Astragali Radix significantly lowered blood glucose level in streptozotocin-induced diabetic model rat.
김종호(Jong Ho Kim),김경순(Kyoung Soon KIm),박정일(Jeong Hill Park),이봉진(Bong Jin Lee),허훈(Hoon Huh),정기화(Gi Hwa Jeong),정춘식(Chun Sik Chung),김박광(Bak Kwang Kim) 한국응용약물학회 1996 Biomolecules & Therapeutics(구 응용약물학회지) Vol.4 No.3
For the screening of antidiabetic effect, this study was carried out to some natural products by measurements of glucose level. MeOH and CH₂Cl₂ extracts of natural products were investigated for the effect on glucose level of N₂-STZ diabeted Rat. Among the natural products, Dioscorea Rhizoma, Trichosanthes Radix, Nelumbis Semem and Lycii Fructus were shown a remarkable antidiabetic effect.
김경순(Kyoung Soon KIm),심상희(Sang Hee Shim),정기화(Gi Hwa Jeong),정춘식(Chun Sik Chung),고광호(Kwang Ho Ko),박정일(Jeong Hill Park),허훈(Hoon Huh),이봉진(Bong Jin Lee),김박광(Bak Kwang Kim) 한국응용약물학회 1998 Biomolecules & Therapeutics(구 응용약물학회지) Vol.6 No.4
In the previous screening on antidiabetic effect of Lycii fructus by glucose transport method using N₂-STZ diabeted rat model, each extracts showed the potent antidiabetic activity. We obtained three compounds isolated from the water fraction, EtOAc fraction and n-BuOH fraction of Lycii fructus in the present work and their structures were identified as 1-carboxy-N,N,N-trimethylmethanaminium hydroxide inner salt, 2,4(1H,3H)-pyrimidinedione and 3,3`,4`,5,7-pentahydroxyflavone-3-rutinoside. Among the constituents separated from Lycii fructus, 2,4(1H,3H)-pyrimidinedione, 3,3`,4`,5,7-pentahydroxyflavone-3-rutinoside and ascorbic acid were shown a remarkable antidiabetic effect.