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( Yeo Kyung Lee ),( Jo Eun Kim ),( Hyun Ju Oh ),( Kyung Sun Park ),( Soo Kyung Kim ),( Seok Won Park ),( Moon Jong Kim ),( Yong Wook Cho1 ) 대한내과학회 2011 The Korean Journal of Internal Medicine Vol.26 No.4
Background/Aims: The proper treatment of subclinical hypothyroidism and the normal range of serum thyroid stimulating hormone (TSH) concentration are intensely debated. However, few reports have investigated TSH concentrations in Asian ethnic groups. Therefore, the present study was designed to define the TSH reference range in a Korean population and to investigate the metabolic significance of TSH concentration. Methods: We enrolled patients who underwent medical examination at the CHA Bundang Medical Center. Anthropometric data were evaluated, and serum TSH, free T4, and lipid profiles were assayed. Results: A total of 7,270 subjects were included. Mean TSH concentration of the study population was 1.82 ± 0.95 mU/L, and we observed a sex-related difference in TSH concentration (male, 1.67 ± 0.87 mU/L; female, 2.02 ± 1.01 mU/L; p < 0.01). When the 2.5 and 97.5 percentiles were calculated, 95% TSH reference limits were 0.52-4.29 mU/L. TSH concentration was higher in elderly subjects, during winter, in postmenopausal women, and in obese males. Moreover, TSH showed significantly positive correlations with serum total cholesterol, triglyceride, and low density lipoprotein cholesterol regardless of sex, age, season, obesity, or menopausal status (all p < 0.01). Finally, TSH concentration was positively related to the prevalence of metabolic syndrome. Conclusions: We demonstrated the association between TSH concentration within the normal reference range and serum lipid levels. TSH concentration varies according to sex, age, season, and body mass index (only in males). Moreover, high normal TSH levels were significantly associated with an increased prevalence of metabolic syndrome, which may be of importance when evaluating subjects with high normal TSH concentration.
연구보문 : 식물환경 ; 폐가축사체의 농업적 재활용을 위한 가축사체 액상부산물의 액비화 조건 구명
서영진 ( Young Jin Seo ),서동철 ( Dong Cheol Seo ),강세원 ( Se Won Kang ),이상규 ( Sang Gyu Lee ),박주왕 ( Ju Wang Park ),최익원 ( Ik Won Choi ),성환후 ( Hwan Hoo Sung ),강석진 ( Seog Jin Kang ),조주식 ( Ju Sik Cho1 ) 한국환경농학회 2013 한국환경농학회지 Vol.32 No.4
가축사체 액상부산물을 이용하여 액비의 최적조건(미생물, pH, 미생물 주입량)을 조사하였고, 이들 최적 조건하에서 112일간 부숙하여 액비의 품질을 평가하였다. 가축사체 액상 부산물 액비 부숙시 최적 LP 미생물의 주입량은 0.5 mL/100mL이었으며, pH는 7 조건에서 각각 50점으로 완숙판정을 받았다. 최적조건하에서 112일 동안 부숙시킨 액비의 부숙도 는 부숙 후 28일에 50점을 받아 완숙판정을 받았으며, 부숙기 간이 길어짐에 따라 부숙 56일에는 온도가 60℃를 넘어 최고 점인 55점을 받았고, 이후 온도가 조금씩 낮아져 부숙 후 112 일에는 실온조건에 이르렀다. 완숙된 가축사체 액상부산물 액 비의 품질을 평가해본 결과, 최적조건하에서 부숙시킨 액비의 경우에는 T-N, P2O5 및 K2O의 함량이 28일에 가장 높았으며, 시간이 경과함에 따라 약간 감소하는 경향이었다. 또한, 유해성분(As, Cd, Cu, Cr, Hg, Ni, Pb 및 Zn)의 함량은 28일, 56일 및 112일 부숙시킨 액비에서 모두 비료공정규격 기 준치에 적합하였다. 이상의 결과를 미루어 볼 때 가축사체 액상부산물을 농업적 재활용을 위한 액비화 조건은 pH 7조건 에서 LP 미생물을 0.5 mL/100 mL 주입한 경우이다. 하지 만 본 연구에서 비교된 가축분뇨 발효액은 공시재료(가축사체)가 상이하여 향후 가축사체를 이용한 액비의 부숙도 기준이 개선되어야 할 것으로 판단된다. BACKGROUND: Globally, concern about emerging infectious diseases of livestock is growing. For the disposal of the animal carcass, it is necessary to recycle the carcass into an agriculturally usable product. The objective of this study was to investigate the composting conditions of liquid by-product obtained from degradation of animal carcass. METHODS AND RESULTS: Optimum conditions of liquid fertilizer were investigated using different microorganisms, pHs, and volumes of microorganisms (Lactobacillus rhamnosus + Pichia deserticola). Based on the results from the optimum conditions, compost maturity and quality of liquid fertilizer were evaluated for 112 days. The compost maturity of liquid fertilizer were higher in the order of LP(Lactobacillus rhamnosus + Pichia deserticola) > BC(Bacillus cereus) > BS (Bacillus subtilis). The optimum condition under different volumes of LP was injection of 0.5 mL/100 mL. The compost maturity under different pHs were higher in the order of pH 7 > 5 ≥ 9 ÷ 11. The liquid by-product at 56 days after composting was completely decomposed. The concentrations of T-N, T-P and K2O in liquid fertilizer at 56 days were 0.94, 0.17 and 3.78%, respectively, and the sum of those concentrations was 4.89%. CONCLUSION(S): Liquid fertilizer of by-product using pig carcass was decomposed with optimum conditions(LP, pH 7, injection of 0.5 mL/100 mL) in 56 days after composting, and was suitable for official standard of commercial fertilizer.
A Butterfly-Shaped Primary Cardiac Lymphoma That Showed Bi-Atrial Involvement
Cho, Jung Sun,Her, Sung-Ho,Park, Mahn-Won,Kim, Hyoung Doo,Baek, Ju Yeal,Youn, Ho-Joong,Seung, Ki-Bae,Kim, Jae-Hyung The Korean Society of Cardiology 2012 Korean Circulation Journal Vol.42 No.1
<P>We described here a patient who presented with symptoms of heart failure who was found to have severe bilateral impairment of atrioventricular inflow. Primary cardiac lymphoma (PCL) with extensive involvement of the two atria, pericardium and myocardium is an extremely rare tumor in immunocompetent patients. We report here a case of PCL in an immunocompetent patient with involvement of both atria and the atrial septum. The tumor had a butterfly shape. We could not do surgical excision because of the massive pericardiac invasion. The diagnosis was B-cell lymphoma and this was confirmed by the pericardiac biopsy.</P>
Formation of silver films for advanced electrical properties by using aerosol deposition process
Cho, Myung-Yeon,Lee, Dong-Won,Kim, Ik-Soo,Lee, Won-Ho,Yoo, Je-Wook,Ko, Pil-Ju,Koo, Sang-Mo,Choi, Youn-Kyu,Oh, Jong-Min Institute of Pure and Applied Physics 2018 Japanese Journal of Applied Physics Vol. No.
Pcmtd1 gene-deficient mice shown enhanced glucose tolerance
Ju Sung Kang,Eun Kyoung Kim,Yong Sub Byun,Hae Rim Kim,Ju Young Lee,Yu Rim Kim,Min Young Lee,Sang Mi Cho,Hoyoung Ghang,Ki Hoon Lee,Won Kee Yoon,Young Suk Won,Hyoung Chin Kim,Beom Jun Lee,Ki Hoan Nam 한국실험동물학회 2015 한국실험동물학회 학술발표대회 논문집 Vol.2015 No.8
Cho, Won-Ju The Institute of Electronics and Information Engin 2007 Journal of semiconductor technology and science Vol.7 No.2
The electrical properties of metallic junction diodes and metallic source/drain (S/D) Schottky barrier metal-oxide-semiconductor field-effect transistor (SB-MOSFET) were simulated. By using the abrupt metallic junction at the S/D region, the short-channel effects in nano-scaled MOSFET devices can be effectively suppressed. Particularly, the effects of trap states at the metal-silicide/silicon interface of S/D junction were simulated by taking into account the tail distributions and the Gaussian distributions at the silicon band edge and at the silicon midgap, respectively. As a result of device simulation, the reduction of interfacial trap states with Gaussian distribution is more important than that of interfacial trap states with tail distribution for improving the metallic junction diodes and SB-MOSFET. It is that a forming gas annealing after silicide formation significantly improved the electrical properties of metallic junction devices.
A Novel Equivalent Wiener-Hopf Equation with TDL coefficient in Lattice Structure
Cho, Ju-Phil,Ahn, Bong-Man,Hwang, Jee-Won The Korea Institute of Information and Commucation 2011 Journal of information and communication convergen Vol.9 No.5
In this paper, we propose an equivalent Wiener-Hopf equation. The proposed algorithm can obtain the weight vector of a TDL(tapped-delay-line) filter and the error simultaneously if the inputs are orthogonal to each other. The equivalent Wiener-Hopf equation was analyzed theoretically based on the MMSE(minimum mean square error) method. The results present that the proposed algorithm is equivalent to original Wiener-Hopf equation. The new algorithm was applied into the identification of an unknown system for evaluating the performance of the proposed method. We compared the Wiener-Hopf solution with the equivalent Wiener-Hopf solution. The simulation results were similar to those obtained in the theoretical analysis. In conclusion, our method can find the coefficient of the TDL (tapped-delay-line) filter where a lattice filter is used, and also when the process of Gram-Schmidt orthogonalization is used. Furthermore, a new cost function is suggested which may facilitate research in the adaptive signal processing area.
Fifteen Years After the Gozan-Dong Glass Fiber Outbreak, Incheon in 1995
Cho, Soo-Hun,Sung, Joo-Hon,Kim, Jong-Hoon,Ju, Young-Su,Han, Min-Ji,Jung, Kyu-Won The Korean Society for Preventive Medicine 2011 Journal of Preventive Medicine and Public Health Vol.44 No.4
Objectives: In 1995, an outbreak survey in Gozan-dong concluded that an association between fiberglass exposure in drinking water and cancer outbreak cannot be established. This study follows the subjects from a study in 1995 using a data linkage method to examine whether an association existed. The authors will address the potential benefits and methodological issues following outbreak surveys using data linkage, particularly when informed consent is absent. Methods: This is a follow-up study of 697 (30 exposed) individuals out of the original 888 (31 exposed) participants (78.5%) from 1995 to 2007 assessing the cancer outcomes and deaths of these individuals. The National Cancer Registry (KNCR) and death certificate data were linked using the ID numbers of the participants. The standardized incidence ratio (SIR) and standardized mortality ratio (SMR) from cancers were calculated by the KNCR. Results: The SIR values for all cancer or gastrointestinal cancer (GI) occurrences were the lowest in the exposed group (SIR, 0.73; 95% CI, 0.10 to 5.21; 0.00 for GI), while the two control groups (control 1: external, control 2: internal) showed slight increases in their SIR values (SIR, 1.18 and 1.27 for all cancers; 1.62 and 1.46 for GI). All lacked statistical significance. All-cause mortality levels for the three groups showed the same pattern (SMR 0.37, 1.29, and 1.11). Conclusions: This study did not refute a finding of non-association with a 13-year follow-up. Considering that many outbreak surveys are associated with a small sample size and a cross-sectional design, follow-up studies that utilize data linkage should become standard procedure.