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엄민식,박원우,서승철,이진호,조주연,최혜영,이찬희,임소덕 白中央醫療院 2005 仁濟醫學 Vol.26 No.1
Relapsing polychondritis is an uncommon multisystemic disease which is characterized by recurrent episodes of inflammation and progressive destruction of cartilaginous tissue. The cause of relapsing polychondritis is unclear and suspected to be autoimmune pathophysiology. It involves cartilage of nose, vertebra, trachea, peripheral joint as well as structures of eye, heart, blood vessels or inner ear. Auricular chondritis is present in almost all patients, and multiple arthritis, nasal chondritis, saddle nose, eye involvement, laryngotracheal involvement and skin manifestations are also present. We report a case of relapsing polychondritis presented a arthritis with review of literatures.
Rho, Chul,Min, Ji-Hye,Suh, Jung Sang American Chemical Society 2012 The Journal of Physical Chemistry Part C Vol.116 No.12
<P>We have studied the effect of the barrier layer on the electron transport of dye-sensitized solar cells (DSSCs) based on TiO<SUB>2</SUB> nanotube arrays. The barrier layer of TiO<SUB>2</SUB> nanotubes, corresponding to the underlayer of the detached TiO<SUB>2</SUB> nanotube films, was ion-milled to reduce its thickness. The energy conversion efficiencies (measured by back-side-illumination) of DSSCs based on the TiO<SUB>2</SUB> nanotube films?whose barrier layers were ion-milled for 0, 10, 20, and 30 min?were 2.5, 2.7, 2.9, and 3.1%, respectively. The conversion efficiency increased significantly with reducing the thickness of the barrier layer without opening the bottom tips. The improvement of the conversion efficiency was mainly due to the improvement of the electron transfer efficiency by reducing the thickness of the barrier layer. Also, electrochemical impedance spectroscopy (EIS) analysis showed that the thickness of the barrier layer has a pronounced impact on the electron transport resistance of the cells. It was concluded that the electron transport is hindered considerably by the barrier layer.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jpccck/2012/jpccck.2012.116.issue-12/jp211708y/production/images/medium/jp-2011-11708y_0008.gif'></P>
오응주,이경민,민혜경,노성변,서정선 명지대학교 자연과학연구소 1995 자연과학논문집 Vol.12 No.-
ITO/폴리아닐린/고분자고체전해질/ITO구조의 전기변색소자가 제작되었다.IM p-toluenesulfonic acid 용액내에서 0.7V의 전압하에 potentiostaic method로 아닐린을 전기화학적으로 중합하여 salt form의 폴리아닐린을 ITO glass 위에 deposite시켰다.또한 화학적으로 합성한 base form의 폴리아닐린을 10? torr의 압력하에 진공승화법에 의해 ITO glass 위에 증착시켰다. PEI(polyethyleneimine)과 2-acrylamido-2-methyl-propanesulfonic acid 를 이용하여 고분자 고체전해질을 제조하였다. 제작된 ITO/polyaniline salt/고분자고체전해질/ITO 구조의 전기변색소자는 인가전압 -2.0V~+2.OV의 영역에서 무색에서 푸른색을 나타내었다.Potential pulse를 통하여 측정된 이들 변색소자의 cyvlic number 는 10? 이상으로 나타났고, 응답시간은 50ms로 생기는 전자전이를 통하여 색의 변화를 알 수 있었다. 또한 각각 변색물질로 폴리아닐린 salt 와 base를 사용하여 제작된 변색소자의 경우 I-V곡선은 counter 이온인 SO?-의 발생확률에 따라 다른 곡선을 나타내었다. Electrochromic devices(ECD) with ITO/polyaniline/polymer solid electrolyte /ITO structure were fabricated . In these devices both of poyaniline salt and base forms were deposited onto ITO conducting glass substrate by electrochemical and vacuum sublimation method, respectively, Polymer solid electrolye were prepared by the reaction of polyethyleneimine with 2-acrylamido-2-methyl-propanesulfonic acid . ECDs based on polyaniline salt showed color change from colirless to blue in the range of applied voltage of -2.OV ~+2.0V.Cyclic number and response time of these devices appear to be 10? and 50ms respectively. The color change which is relatd to teh electronic transition by the variation of electron density was observed from the UV/Vis. spectra measurement. I-V curves for ECDs based on polyaniline salt and base repectively shoe different behaviors due to the different degree of contribution of SO?- ion as a counterion for each case.
The Association Between Serum Albumin Levels and Metabolic Syndrome in a Rural Population of Korea
Cho, Hye-Min,Kim, Hyeon-Chang,Lee, Ju-Mi,Oh, Sun-Min,Choi, Dong-Phil,Suh, Il The Korean Society for Preventive Medicine 2012 Journal of Preventive Medicine and Public Health Vol.45 No.2
Objectives: A positive association between serum albumin levels and metabolic syndrome has been reported in observation studies, but it has not been established in the Korean population. The purpose of this study was to evaluate the association between serum albumin levels and the presence of metabolic syndrome among a sample of apparently healthy Korean adults. Methods: This cross-sectional study analyzed data of 3189 community-dwelling people (1189 men and 2000 women) who were aged 40 to 87 years and were living in a rural area in Korea. Serum albumin levels were classified into quartile groups for each sex. Metabolic syndrome was defined according to the National Cholesterol Education Program Adult Treatment Panel III guidelines with an adjusted waist circumference cut-off value ${\geq}90\;cm$ for men and${\geq}85\;cm$ for women). An independent association between serum albumin levels and metabolic syndrome was assessed by multiple logistic regression analysis. Results: Higher serum albumin levels were associated with increased prevalence of metabolic syndrome. The odds ratio (95% confidence interval) of the prevalence of metabolic syndrome for the highest versus the lowest serum albumin quartiles was 2.81 (1.91 to 4.14) in men and 1.96 (1.52 to 2.52) in women, after adjusting for age, smoking status, alcohol consumption, and physical activity. When each metabolic abnormality was analyzed separately, higher serum albumin levels were significantly associated with hypertriglyceridemia and hyperglycemia in both sexes, and with abdominal obesity in men. Conclusions: These results suggest that higher serum albumin levels are positively associated with an increased risk of metabolic syndrome in Korean adults.
이서영 ( Suh Young Lee ),이승은 ( Seung Eun Lee ),김민혜 ( Min Hye Kim ),송우정 ( Woo Jung Song ),강혜련 ( Hye Ryun Kang ),민경업 ( Kyung Up Min ) 대한천식알레르기학회 2012 천식 및 알레르기 Vol.32 No.4
Background: Hereditary angioedema is a rare disease caused by a deficiency of C1 inhibitor and inherited in an autosomal dominant manner. It leads to episodic abdominal pain and angioedema which can be life-threatening. Associations between hereditary angioedema and pregnancy have been reported in the literature. The frequency of symptoms increases during pregnancy and the postpartum period. While complications during vaginal delivery are generally known to be rare in patients with heterditary angioedema, acute attack of heterditary angioedema may occur during Cesarean section. Case History: A 34-year-old pregnant woman was admitted for the induction of labor with suspected preeclampsia. The patient was diagnosed with hereditary angioedema 5 years ago and treated with tranexamic acid when needed. During the first trimester of pregnancy, the incidence of attacks increased but she did not take any medication. She had prophylactic tranexamic acid for 2 weeks before delivery. Emergency Cesarean section was performed due to fetal deceleration that occurred during labor induction. Results: After injection of a C1 inhibitor in the phase of anesthesia induction, delivery was successful without any complications. Conclusion: We report a case of Cesarean section delivery with a prophylactic use of a C1 inhibitor in a patient with hereditary angioedema.
김민혜 ( Min Hye Kim ),이서영 ( Suh Young Lee ),이승은 ( Seung Eun Lee ),김미영 ( Mi Yeong Kim ),조은정 ( Eun Jung Jo ),박창민 ( Chang Min Park ),이활 ( Whal Lee ),조상헌 ( Sang Heon Cho ),강혜련 ( Hye Ryun Kang ) 대한천식알레르기학회 2014 Allergy Asthma & Respiratory Disease Vol.2 No.5
Purpose: Delayed hypersensitivity reaction can occur in a couple of hours to several days after injection of iodine-based contrast media (ICM). ICM-related delayed type hypersensitivity is not common but increasing as rapid growth of ICM use. Nevertheless, objective data on delayed type hypersensitivity are still scarce worldwide including Korea. This study was performed to investigate the clinical features of ICM-induced delayed hypersensitivity in Korean patients. Methods: We retrospectively reviewed the electronic medical records of patients diagnosed with delayed hypersensitivity to ICM from January 2009 to December 2012 at Seoul National University Hospital and analyzed the data to identify the clinical characteristics of these patients. Results: A total of 44 cases were diagnosed as delayed-type hypersensitivity to ICM. The mean age was 54 years, and 70.5% were female. The mean number of previous ICM exposure was 3.8, and skin reactions were the most common symptoms. In 45% of patients, hypersensitivity reaction developed on the first exposure to ICM. Among the 27 patients exposed to ICM again, hypersensitivity reactions recurred in only 4 patients (14.8%). There was no difference of recurrence rate according to the use of premedication or the change in ICM. Conclusion: In this study, we observed a female predominance and a low recurrence rate in delayed hypersensitivity to ICM. Premedication and ICM change was not effective in preventing recurrence of delayed type reactions.(Allergy Asthma Respir Dis 2014;2:352-357)