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제5기 국민건강영양조사 자료에 기초한 50세 이상 한국 성인의 무릎 골관절염 유병 규모의 추정
신동욱,남수정,방윤식,이종연 대한의사협회 2013 대한의사협회지 Vol.56 No.5
This study estimated the number of Korean adults aged 50 years or more with osteoarthritis (OA) based on the data from fifth Korea National Health and Nutrition Examination Survey (K-NHANES). We analyzed the knee X-ray finding and symptom questionnaire data obtained from the fifth K-NHANES conducted in 2010. The number of Korean adults aged 50 years or more with radiographic OA (those who had grade II or higher Kellgren-Lawrence score for OA) and symptomatic OA (those who had grade II or higher Kellgren-Lawrence score for OA and knee pain)were estimated using surveyfreq procedure of the SAS statistical package. It was estimated that there were 5,294,073 (proportion, 37.8%; 95% confidence interval, 4,739,995 to 5,848,150)patients with radiographic OA and 2,003,471 (proportion, 14.3%; 95% confidence interval,1,693,239 to 2,313,703) patients with symptomatic OA among 14,010,367 Korean adults aged 50years or more in 2010. This study has a limitation that symptomatic OA based on only the self report of symptom questionnaire. So, it is important that the physician do a physical examination to diagnose OA. Also, further efforts to investigate large-scale prospective studies are needed.
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신동욱,유승현,선우성,유문원 대한의사협회 2016 대한의사협회지 Vol.59 No.4
The incidence of gastric cancer is high, and gastric cancer has one of the highest survival rates of any type of cancer in Korea. With increased long-term survival in a growing number of patients, more patients suffer from health problems such as treatment-related symptoms, malnutrition, chronic diseases, anxiety, and depression. Gastric cancer survivors also have a higher risk of developing a second primary cancer and recurrence. Therefore, survivorship care guidelines for gastric cancer survivors that address surveillance for recurrence, screening for second primary cancers, assessment and management of physical and psychosocial long-term effects of cancer and its treatment, health promotion, and care coordination are needed. The role of primary care physicians is essential for providing continuous care to gastric cancer survivors and their family.
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Die Anwendung der Johannesapokalypse Karl Barths für die Sozialethik und die Praxis
신동욱 한국실천신학회 2015 신학과 실천 Vol.0 No.45
A great part of korean churches misinterpret the Book of Revelation by the ignoring the characteristics of the Apocalypse, because they pay attention to only the eschatological timetable. If we take account of the characteristics of the Apocalypse, we can find the characteristics of the polemic document in the Book of Revelation. This paper attempts to indicate, how the Book of Revelation can be interpreted by the studying Barth’s Interpretation und application of the Book of Revelation. Karl Barth applicates the Book of Revelation for Christian social ethics. And he makes an use of the Book of Revelation in order to criticize absolute power. First Barth explains that the apocalyptic pictures mean the rejection of God against the unrighteousness and injustice in the world of today. This rejection of God lets the Christian in the rejection of God work and restrict to assimilate with the corrupt world. The rejection means to struggle against human right violations and inhumane acts. He applicates the Book of Revelation for the social resistance. Secondly he uses the Book of Revelation for the criticism against an imperialist, hegemonic power of the empire. This absolute empire produces through the diabolic power iniquity und extreme discrimination between social classes. So the Christian should fight against the unjust system of the rule in the present. Finally Barth interprets the vision of the millenium und the new Heaven and new earth in Offb 21 as the hope for the new world in which all types of the discrimination are removed. This hope is the ethical goal of the Christians. The fact that Karl Barth applicates the Book of Revelation for the Christian social ethics, this gives the useful instruction how the korean church should interpret and apply it. Barth’s Interpretation and application of the Book of Revelation proposes us eine possibility of die application for Ethics of Freedom or liberation theology.
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신동욱,Jisook Kim,Sunhwa Lee 한양대학교 세라믹연구소 2007 Journal of Ceramic Processing Research Vol.8 No.3
Hybrid glass solid electrolytes are regarded as potential materials for application as electrolytes and separators in secondary lithium and lithium-ion batteries. Glass electrolyte membranes with nano-channels were prepared by spinodal decomposition and subsequent acid leaching. The phase-separated, alkali-rich phase was eluted by leaching for 1h at room temperature and a liquid electrolyte was infiltrated into the 3 dimensionally interconnected channels of the glass membrane to improve of ion mobility. The most suitable glass electrolyte membranes could be fabricated from 7.5Na2O-46.25B2O3-46.25SiO2 (mol%). The effects of leaching temperature, leaching time and acid type on the preparation of the membranes were investigated. The microstructure of the surface and cross-section of 7.5Na2O-46.25B2O3-46.25SiO2 glass electrolytes were examined with a scanning electron microscope. The channels interconnected throughout the membrane were confirmed to be formed and the channel size was in the range of 90-200 nm. For electrochemical investigates of the glass electrolyte, full cells were fabricated using a coin type cell by employing LiCoO2 as a cathode and Mesocarbon Microbeads (MCMB) as an anode. Hybrid glass solid electrolytes are regarded as potential materials for application as electrolytes and separators in secondary lithium and lithium-ion batteries. Glass electrolyte membranes with nano-channels were prepared by spinodal decomposition and subsequent acid leaching. The phase-separated, alkali-rich phase was eluted by leaching for 1h at room temperature and a liquid electrolyte was infiltrated into the 3 dimensionally interconnected channels of the glass membrane to improve of ion mobility. The most suitable glass electrolyte membranes could be fabricated from 7.5Na2O-46.25B2O3-46.25SiO2 (mol%). The effects of leaching temperature, leaching time and acid type on the preparation of the membranes were investigated. The microstructure of the surface and cross-section of 7.5Na2O-46.25B2O3-46.25SiO2 glass electrolytes were examined with a scanning electron microscope. The channels interconnected throughout the membrane were confirmed to be formed and the channel size was in the range of 90-200 nm. For electrochemical investigates of the glass electrolyte, full cells were fabricated using a coin type cell by employing LiCoO2 as a cathode and Mesocarbon Microbeads (MCMB) as an anode.
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신동욱 한양대학교 세라믹연구소 2006 Journal of Ceramic Processing Research Vol.7 No.4
Silica based waveguides on Si fabricated by flame hydrolysis deposition were doped with erbium ions using an aerosol doping technique, and co-doped with GeO2, P2O5 and B2O3. Erbium doping levels in the films were dependent on the nebulized solution concentration and delivery rate of the aerosol to the torch. The erbium solution concentration was varied from 4 to 8 wt%. The refractive index was measured by a prism coupler at 633 nm. FTIR absorption spectra and XRD profiles were made to check the OH concentration and the morphology of the films. A photoluminescence peak was observed at 1542 nm with a FWHM of 65 nm, which corresponds to the 4I13/2 → 4I15/2 transition. As a function of Er concentration, the photoluminescence (PL) intensity first increases, but decreases above a 6 wt% Er solution concentration. The decrease in PL intensity with concentration is attributed to concentration quenching caused by Er-Er interaction. The dependence of PL intensity on pump intensity further verifies the co-operative upconversion occurs. Silica based waveguides on Si fabricated by flame hydrolysis deposition were doped with erbium ions using an aerosol doping technique, and co-doped with GeO2, P2O5 and B2O3. Erbium doping levels in the films were dependent on the nebulized solution concentration and delivery rate of the aerosol to the torch. The erbium solution concentration was varied from 4 to 8 wt%. The refractive index was measured by a prism coupler at 633 nm. FTIR absorption spectra and XRD profiles were made to check the OH concentration and the morphology of the films. A photoluminescence peak was observed at 1542 nm with a FWHM of 65 nm, which corresponds to the 4I13/2 → 4I15/2 transition. As a function of Er concentration, the photoluminescence (PL) intensity first increases, but decreases above a 6 wt% Er solution concentration. The decrease in PL intensity with concentration is attributed to concentration quenching caused by Er-Er interaction. The dependence of PL intensity on pump intensity further verifies the co-operative upconversion occurs.
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Gadolinia-Doped Ceria Films Prepared by Using an Air-Blast Spray Deposition Technique
신동욱,임종모,Yongsub Yoon 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.5
In this work, air-blast spray deposition (ASD) was applied to prepare dense gadolinia-doped ceria (GDC) films on silicon substrates for electrolyte applications in solid oxide fuel cells. The morphology of the GDC lm depended on process parameters such as the substrate temperature, the liquid flow rate, the deposition time and the nozzle-substrate distance. The effects of heating temperature on the crystal structures of the lms were investigated with X-ray diffraction (XRD) in the heating temperature range of 400 ℃ to 1000 ℃. A dense GDC film was successfully prepared in a solution ow rate range of 1 l/min to 1.8 l/min, a substrate temperature range of 149 ℃ to 243 ℃, a nozzle-substrate distance range of 1 cm to 6 cm and a deposition time range of 0.5 min to 4 min. In this work, air-blast spray deposition (ASD) was applied to prepare dense gadolinia-doped ceria (GDC) films on silicon substrates for electrolyte applications in solid oxide fuel cells. The morphology of the GDC lm depended on process parameters such as the substrate temperature, the liquid flow rate, the deposition time and the nozzle-substrate distance. The effects of heating temperature on the crystal structures of the lms were investigated with X-ray diffraction (XRD) in the heating temperature range of 400 ℃ to 1000 ℃. A dense GDC film was successfully prepared in a solution ow rate range of 1 l/min to 1.8 l/min, a substrate temperature range of 149 ℃ to 243 ℃, a nozzle-substrate distance range of 1 cm to 6 cm and a deposition time range of 0.5 min to 4 min.
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신동욱,Viswanathan S. Saji,Ravindra K. Gupta,조용수 한국세라믹학회 2007 한국세라믹학회지 Vol.44 No.11
The variations of physical and dielectric properties of low temperature dielectrics based on typical aluminoborosilicate glasses modified with several divalent oxides were investigated. The divalent oxides studied here included CaO, MgO, BaO, SrO and ZnO. All samples containing either 35 wt% or 45 wt% alumina filler were prepared at the same processing condition and then fired at 850oC for 30 min. The resultant characteristics of fired samples depended on the choice of the divalent ion and the content of the alumina filler. Except for the ZnO modification, all other samples containing 35 wt% filler demonstrated promising densification as they exhibited reasonably high densities of 3.07-3.31 g/cm3 and high shrinkages of 14.0-16.4%. Particularly, the sample containing ZnO was distinguished with large variations compared to the base sample, which can be highlighted with earlier densification and crystallization at unexpectedly low temperatures. The negative effects of the ZnO modification on densification and dielectric properties were thought to be associated with earlier crystallization potentially by influencing effective densification via viscous flow. As an optimum composition, the sample containing only CaO showed the most promising characteristics such as k~8.05 and tanδ~0.0018 when 35 wt% alumina filler was used.
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