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한방 망진의 찰색을 위한 표준화 및 색 기준 설정안의 제안
이세환,김봉현,조동욱,Lee, Se-Hwan,Kim, Bong-Hyun,Cho, Dong-Uk 한국정보처리학회 2008 정보처리학회논문지B Vol.15 No.5
한의학은 진단 및 치료에 있어 뛰어난 우수성을 가지고 있음에도 불구하고 서양의학에 비해 선호도가 떨어진다. 이는 질병 진단에 있어 객관적인 진단 결과를 제공해 주는 서양의학에 비해 한의학은 임상의의 직관에 의존하고 있기 때문이다. 따라서 한방 임상의들의 직관을 객관화하여 기기로 구현 한다면 한방에 대한 선호도 상승 및 한의학의 세계 시장 진출도 크게 증대할 것으로 여겨진다. 특히 한의학의 진단법 중 가장 뛰어난 진단법으로 평가되는 망진의 경우 다른 진단법에 비해 관련 연구가 거의 이루어 지지 않고 있다. 이는 망진의 가장 중요한 요소인 찰색에 있어 실제 색의 분석을 위한 디지털 기기에서의 색 분석 기준이 없기 때문이다. 이를 위해 본 논문에서는 찰색을 기기로 구현하기 위한 절대적인 색 기준의 설정을 제시하고자 한다. 따라서 색 분석을 위해 여러 가지 디지털 색체계를 비교 분석하여 찰색을 위해 어느 디지털 색체계가 가장 효율적인 색 체계인지를 제시하고자 한다. 아울러 실험 환경의 차이에 따라 발생할 수 있는 변수를 최대한 줄이기 위한 실험 환경 및 조건에 대한 표준화를 제안하고자 한다. Despite the effectiveness of oriental medical practice in the diagnosis of symptoms and providing cure to it, the preferences in western medicinal values is socially prevalent. The diagnosis of a disease using western medicinal practices provides us with an objective diagnostic result, however, decisions by oriental doctors are based on their heuristic intuitions developed by practice and experience. Objective solutions for the cure of symptoms using oriental medical therapy can have a high impact on the world market. Therefore, development of diagnostic machines based on oriental therapy can enhance the Ocular Inspection which is evaluated as one of the best diagnostic treatment among Oriental Medical Science, is not researched much compared to other diagnoses. Because there is no color diagnosis rules for digital machines to analyze the actual color, looking at the person's face color is one of the most important components to diagnose the disease or illness. The thesis proposes the implementation of absolute observing a person's face color standards of the color settings for objective diagnosis. As a results, comparative digital color analysis for observing a person's face color can be the most effective rule based Color scheme system to diagnose disease. A standard solution for the researching conditions is suggested to reduce the variable which may occur depending on the differences between the researching conditions.
이세환,조영삼,이준희 한국조직공학과 재생의학회 2014 조직공학과 재생의학 Vol.11 No.6
Until now, many researchers have explained the degradation rate of biodegradable scaffold with respectto several parameters such as porosity, pore size, and strand diameter. In this study, to analyze the degradation rateof Polycaprolactone (PCL) scaffold, accelerated degradation experiment using sodium hydroxide (NaOH) was used. For the experiment, PCL scaffolds were fabricated by bioplotter with respect to porosity, pore size, and strand diameter,respectively. Each fabricated scaffold was put into a vial filled with 5 mol-NaOH 5 mL and trapped-air wasremoved using vacuum desiccator. After that, all vials were placed in the waterbath which was maintained with 37oCFor 24 days, seven vials were taken out from the waterbath for every 2 days and each scaffold was dried after rinsingwith D.I. water. Afterwards, the degradation rate was analyzed for each type of PCL scaffolds using the measuredmass. Among them, one type of scaffolds, which has the strand diameter of 300 μm and the pitch between strandsof 800 μm, was used for the measurement of molecular weight change via gel permission chromatography (GPC). To show the each conventional parameter could not explain alone the degradation rate, the calculated degradationrates were analyzed with respect to porosity, pore size, and strand diameter, respectively. Afterwards, every degradationrate of all types of scaffolds was recorded with respect to the dimensionless surface area which is surface area/S0. S0 is the surface area of sphere which has same volume of respective scaffold. Consequently, the dimensionlesssurface area was found to be a single parameter irrelevant to the type of PCL scaffold to explain the in-vitro degradationrate of accelerated NaOH experiment.