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Polyistotic Fibrous Dysplasia 1例 : Report of a Case
이승기,김덕정,김영조,김학현 최신의학사 1971 最新醫學 Vol.14 No.3
A case of the polyostotic polymeric fibrous dysplasia was reported with review of literatures which involved the both maxillary sinusese, mandibls, and left femur, humerus, ulna and all the metacarpals. Homogenous intramedullary bone graft was done for the treatment of the intertrochanteric fracture of the femur in this case.
직접지불제도와 개인예산제도 도입을 위한 탐색적 연구 - 영국 사례를 중심으로 -
이승기,이성규 한국장애인복지학회 2014 한국장애인복지학 Vol.- No.26
This article explores possibilities of introduction of direct payments and individual budgets to Korean welfare system for people with disabilities, through a study on experiences of United Kingdom. Though direct payments and individual budgets have differences between origination and objects, they have in common that they tryed to achieve choice and control over services for people with disabilities by offering cash for services. Through analysing the process of setting up of the two systems in U.K. as well as comparisons of U.K. and Korean situation, this article presents agendas and alternatives to introducing to Korean welfare system. It analyses cases of U.K in terms of service providers, and users. Based on this analysis, it discusses necessities of delivery systems for cooperations between service providers and government. In addition, in the light of experiences of U.K, it presents necessities of disability movement, which played key roles in the establishment of direct payment of U.K. 본 연구의 목적은 영국의 직접지불제도와 개인예산제도에 대한 고찰을 통해 우리나라에의 도입가능성을 탐색하는 것이다. 직접지불제도와 개인예산제도는 기원과 대상에서 차이가 있으나, 장애인의 서비스에 대한 선택과 통제를 강화하고자 서비스에 해당하는 비용을 장애인에게 현금으로 직접 지불한다는 측면에서 동일한 방향성을 가지고 있다. 본 연구를 위해 제도도입 과정을 분석할 수 있는 과정연구 방법을 채택하였으며, 특히 이해관계자의 입장을 분석하는 데에 초점을 두었다. 직접지불제도와 개인예산제도가 공급자가 아닌 이용자의 권한을 강화하는 제도라는 점을 중시하여, 이해관계자를 공급자와 이용자로 나누었으며, 공급자는 정부와 서비스제공기관으로, 이용자는 장애인당사자로 설정하였다. 분석 결과 우리나라는 영국과 달리 서비스제공체계에 있어서 정부와 서비스제공기관의 단절적 관계가 뚜렷하여, 이를 극복하기 위한 제도적 장치마련이 선행되어야 하며, 또한 양 제도가 장애계의 지속적인 노력을 통해 제도화되었다는 점에 비추어, 장애인당사자의 인식 공유와 장애운동 차원에서의 접근이 필요함을 제시하였다.
시각센서를 이용한 벨로우즈 외부 모서리 레이저 용접 시스템의 개발에 관한 연구
이승기,유중돈,나석주 대한용접접합학회 1999 대한용접·접합학회지 Vol.17 No.3
The welded metal bellows is commonly manufactured by welding pairs of washer-shaped discs of thin sheet metal stamped from strip stock in thickness from 0.025 to 0.254 mm. The discs, or diaphragms, are formed with mating circumferential corrugations. In this study, the diaphragms were welded by using a CW Nd: YAG laser to form metal bellows. The bellows was fixed on a jig and compressed axially, while Cu-rings were installed between belows edges for intimate contact of edges. The difference between the inner diameter of bellows and jig shaft causes an eccentricity, while the tolerance between motor shaft and jig shaft causes a wobble type motion. A vision sensor which is based on the optical triangulation was used for seam tracking. An image processing algorithm which can distinguish the image by bellows edge from that by Cu-ring was developed. The geometric relationship which describes the eccentricity and wobble type motion was modeled. The seam tracking using the image processing algorithm and the geometric modeling was performed successfully.
산사(山査)가 식이성 고지혈증 흰쥐의 혈청지질에 미치는 영향
이승기,이송실,백진웅,이상재,김광호,Lee Sung-Ki,Lee Song-Shil,Baek Jin-Woong,Lee Sang-Jae,Kim Kwang-Ho 대한예방한의학회 2003 대한예방한의학회지 Vol.7 No.2
Objectives: CRATAEGII FRUCTUS(山査) is known as the substance which decreases concentration of sarum lipid. The purpose of this study is to investigate the effects of CRATAEGII FRUCTUS(山査) on decreasing concentration of sarum lipid which are triglyceride, total cholesterol, HDL-cholesterol, LDL-cholesterol in rat high cholesterol diet inducede hyperlipide rats. Methods: Sprague-Dawley rats were divided into 3 groups, Normal group(supplied enough water and feeds only. Normal Group), high fat diet administered group(AIN-76 high fat diet #100496 used beef tallow for 4 weeks, Control Group) and CRATAEGII FRUCTUS(山査) administered group(AIN-76 high fat diet #100496 used beef tallow and CRATAEGII FRUCTUS(山査) extracts 85.0mg/200g 1time/day for 4 weeks. SS Group). Rats were sacrificed and concentration of triglyceride, total cholesterol, HDL-cholesterol, LDL-cholesterol were measured in rat's sarum lipid Results: There was no significant difference in the level of waight between each experimental group(F=0.243, p=0.787, ANOVA test), Concentration of triglyceride has no significant difference in each group(F=0.210, p=0.813, ANOVA test). There was significant increase of total cholesterol in the Control group compared to those of Normal but there was no significant difference in the SS group compared to the Control group(F=5.237, p=0.0l9, ANOVA test). There was a significant increase of HDL-cholesterol in the SS group compared to the Control group and decrease in Control group compared Normal group(F= 11.437, p=0.001, ANDYA test). Concentration of LDL -cholesterol was significantly different in each group(F= 16.377, p=0.0001, ANDYA test). It was significantly increased in the Control group compared with the Normal group and it has no difference in the SS group compared to the control group. TBARS values(Thiobarbituric Acid Reactive Substances) were significantly different in each group(F=5.242, p=0.0019, ANDYA test). It was significantly increased in the Control group compared with the Normal group and significantly decreased in SS group compared with the Control group. Conclusions: According to the above results, it is considered that CRATAEGII FRUCTUS(山査) is effective in decreaseing concentration of sarum lipid in high cholesterol diet induced hyperlipidemic rats.
Light-induced Molecular Delivery Using Hybrid Nanogels with Self-embedded Plasmonic Nanoparticles
이승기,이윤정,서인수,최인희 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
Nanogels have drawn much attention as one of the promising materials in developing drug delivery system. Owing to superior water swelling property, nanogels are prefered to load large amounts of molecules including biomolecules, growth factors, and drugs. Herein, we easily synthesize the light-responsive nanogels composed of plasmonic nanoparticles and thermo-sensitive molecules. We tune the physicochemical properties of hybrid nanogels in terms of size and composition. Then, we observe controlled releases of the loaded molecules via light-induced local heating such as photothermal-conversion effect of the embedded plasmonic nanoparticles. Furthermore, we achieve the successful light-induced molecular delivery into the live cells. We envision that the proposed light-responsive hybrid nanogels would be beneficial materials in developing new drug delivery method.
Pack ice 상태에서의 합성얼음을 이용한 자항시험기법 연구
이승기,김문찬,강현지,신용진,인춘주 대한조선학회 2012 대한조선학회 학술대회자료집 Vol.2012 No.5
The previous study about self-propulsion test with synthetic ice for the Canadian Coast Guard icebreaker should that there were some difference between the tests with a synthetic ice and a refrigerated ice. In the present study, the density of synthetic ice is varied to have more interactive between the hull and ices which might make a more towing force than the previous case. The experimental work with refrigerated ice for the present model ship is expected to be conducted to compare in near future.