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Baeg, Kang‐,Jun,Khim, Dongyoon,Jung, Soon‐,Won,Kang, Minji,You, In‐,Kyu,Kim, Dong‐,Yu,Facchetti, Antonio,Noh, Yong‐,Young WILEY‐VCH Verlag 2012 Advanced Materials Vol.24 No.40
<P>On page 5433, Yong‐Young Noh, Antonio Facchetti, Kang‐Jun Baeg, and co‐workers report that high performance ambipolar complementary inverters and ring oscillators are provided by a remarkable enhancement of both hole injection and transport for n‐channel dominant N2200 OFETs. The significant enhancement of hole mobility in N2200 OTFTs is attributed to the strong dipoles in fluorinated high‐k gate dielectric blend of P(VDF‐TrFE):PMMA. </P>
( Sang-Cheol Bae ),( Jin-Hye Cha ),( Jung-Yoon Choe ),( Sung Jae Choi ),( Soo-Kyung Cho ),( Won-Tae Chung ),( Chung-Il Joung ),( Young-Ok Jung ),( Young Mo Kang ),( Dong-Wook Kim ),( Jinseok Kim ),( Y 대한류마티스학회 2018 대한류마티스학회지 Vol.25 No.2
Objective. Productivity loss was compared by 3-stage of disease activity and associations between higher disease activity and high productivity loss were identified. Methods. Data were extracted from Rheumatoid Arthritis (RA) Patient-reported Outcomes Research, which enrolled 2,000 RA patients (>20-year) on disease-modifying-antirheumatic-drugs (DMARDs) (≥ 6-month) from December 2012 to June 2013. This included 1,457 RA patients with the disease activity score (DAS-28-ESR) in their medical charts. Productivity loss in time and indirect cost was estimated using The World Health Organization Health and Work Performance Questionnaire (HPQ). Baseline characteristics and productivity loss outcomes were compared according to DAS-28-ESR groups. Results. 84.4% were females, 54.2% had low DAS-28-ESR (<3.2), and 38.2% and 7.6% had moderate (3.2∼5.1) and high DAS-28-ESR (>5.1). Patients with moderate to high DAS-28-ESR had higher lost productivity time (LPT) and monthly costs of LPT than those with low DAS-28-ESR (time in hours: 110.0±58.4 vs. 132.4±57.2 vs. 71.5±52.0, p<0.0001; monthly costs of LPT in 1,000 Korean won: 1,097±607 vs. 1,302±554 vs. 741±531, p<0.0001). Multiple regression analyses revealed significant associations with high LPT in high (adjusted odds ratio [OR]=3.87, 95% confidence interval [CI]: 2.18∼6.87) and moderate DAS-28-ESR (adjusted OR=1.88, 95% CI: 1.41∼2.52) compared to low DAS-28-ESR. In addition, positive associations with high monthly costs of LPT were observed in high (adjusted OR=3.45, 95% CI: 1.98∼5.99) and moderate DAS-28-ESR (adjusted OR=1.93, 95% CI: 1.43∼2.54) compared to low DAS-28-ESR. Conclusion. Timely therapeutic strategies should be taken into consideration given that the RA patients with moderate to high DAS-28-ESR showed strong associations with high productivity loss for effective management of RA. (J Rheum Dis 2018;25:122-130)
우리나라 노인여성의 골다공증성 척추골절로 인한 경제적 부담 추계
강혜영,강대룡,장영화,박성은,최원정,문성환,양규현,Kang, Hye-Young,Kang, Dae-Ryong,Jang, Young-Hwa,Park, Sung-Eun,Choi, Won-Jung,Moon, Seong-Hwan,Yang, Kyu-Hyun 대한예방의학회 2008 예방의학회지 Vol.41 No.5
Objectives : To estimate the economic burden of osteoporotic vertebral fracture (VF) from a societal perspective. Methods : From 2002 to 2004, we identified all National Health Insurance claims records for women ${\geq}50$ years old with a diagnosis of VF. The first 6-months was defined as a "clearance period," such that patients were considered as incident cases if their first claim of fracture was recorded after June 30, 2002. We only included patients with ${\geq}$ one claim of a diagnosis of, or prescription for, osteoporosis over 3 years. For each patient, we cumulated the claims amount for the first visit and for the follow-up treatments for 1 year. The hospital charge data from 4 hospitals were investigated to measure the proportion of the non-covered services. Face-to-face interviews were conducted with 106 patients from the 4 study sites to measure the out-of-pocket spending outside of hospitals. Results : During 2.5 years, 131,453 VF patients were identified. The patients had an average of 3.38 visits, 0.40 admissions and 6.36 inpatient days. The per capita cost was 1,909,690 Won: 71.5% for direct medical costs, 20.6% for direct non-medical costs and 7.9% for indirect costs. The per capita cost increased with increasing age: 1,848,078 Won for those aged 50-64, 2,084,846 Won for 65-74, 2,129,530 Won for 75-84and 2,121,492 Won for those above 84. Conclusions : Exploring the economic burden of osteoporotic VF is expected to motivate to adopt effective treatment options for osteoporosis in order to prevent the incidence of fracture and the consequent costs.
노효련,나눈별,김정윤,김은진,조원재,강신욱,Roh, Hyo-Lyun,Na, Nun-Byeol,Kim, Jung-Yoon,Kim, Eun-Jin,Jo, Won-Jae,Kang, Shin-Wook 한국임상보건과학회 2013 한국임상보건과학회지 Vol.1 No.1
Purpose : The aim of this study was to identify the relation of cognition and visuospatial perception in stoke patients. Methods : A total of 16 stroke patients recruited from two hospital located in Donghae, Kang-won participated in this study(Right hemiplegia : twelve, Left hemiplegia : four). All participants scored higher than 20 point on the MMSE-K. To assess the cognitive function, we performed the Korean version of Mini Mental State Examination(MMSE-K), spatial perception domain of Lowenstein Occupational Therapy Cognition Assessment(LOTCA), Figure Color Copy(FCC), Linebisection Test(LBT) and Albert's test in stoke patients. Results: The Korean version of Mini Mental State Examination and spatial perception domain of Lowenstein Occupational Therapy Cognition Assessment were the highest points in sixty ages, Figure Color Copy is difference between Right hemiplegia and Left hemiplegia. Linebisection Test(LBT) and Albert's test had much relation, visuospatial perception had not relationship. Conclusion: Aging was cognition function and visuospatial perception had an interrelationship. visuospatial perception according to affected side in brain had an interrelationship but cognition function and visuospatial perception had not any interrelationship.
소기숙,최회강,박소영,고강훈,김성남,이옥자,윤민영,문형철,김성철,이정훈,나원경,So, Ki-suk,Choi, Hoi-kang,Park, So-young,Koh, Kang-hun,Kim, Sung-nam,Lee, Ok-ja,Yun, Min-young,Mun, Hyung-chul,Kim, Sung-chul,Lee, Jung-hun,Na, Won-kyung 대한침구의학회 2004 대한침구의학회지 Vol.21 No.1
Objective: Recently scolopendrid aquacupuncture has been a good effect on pain control but it has not been known about clinical safety. So, In order to prove the clinical safety of scolopendrid aquacupuncture, We have observed the physical reac-tion and clinical pathology test after scolopendrid aquacupuncture treatment. Methods: We analyzed physical reaction and clinical pathology test before and after Scolopendrid aquacupuncture treatment of 30 patients suffering from pain, who admitted department of Acupunture and Moxibustion, College of Oriental Medicine, Won-Kwang University Kwangju hospital. Results & Conclusions: The results were summarized as follows. 1) The distribution of sex was 14 males and 16 females, and the average of patients age was 46.2 years. 2) The distribution of symptom was lumbago, lumbago with radiating pain, nuchal pain and knee joint pain. 3) In the 30 patients treated with Scolopendrid aquacupuncture, hematologic test did not show remarkable change. 4) In the 30 patients treated with Scolopendrid aquacupuncture, Liver function test(AST, ALT, ALP) showed a slight decrease on the contrary, and abnormal rate showed a decrease of 1.0%(from 3.3% to 2.3%) compared with previous study. 5) In the 30 patients treated with Scolopendrid aquacupuncture, Renal function test(BUN, Cr) and abnormal rate(from 2.5% to 2.0%) showed a slight decrease on the contrary. 6) In the 30 patients treated with Scolopendrid aquacupuncture. Electrolyte were normal range before & after treatment. 7) In the results of the Urine analysis of 30 patients, Leukocyte, Protein. Glucose, Keton, Bilirubin, U-bilinogen were not detected before and after Scolopendrid aquacupuncture treatment, and the rest almost made no difference. 8) In the Physical reactions, all of the patients complained of pain of body partially, only one patient showed reddish and itch, but symptoms like those were entirely disappeared within 24 hours and whole body pain, swelling, headache, dizziness, fatigue and nausea was not observed.
KANG, Zheng-Wu,JUNG, Ji-Hun,KIM, Sung Hun,LEE, Bok Kwon,LEE, Duk Young,KIM, Young Jo,LEE, Ji Youn,WON, Ho-Keun,KIM, Eun Hee,HAHN, Tae-Wook Japanese Society of Veterinary Science 2009 The Journal of veterinary medical science Vol.71 No.11
<P><I>Salmonella</I> Enteritidis is the most common cause of salmonellosis in humans in South Korea. It has been recognized that the principal source of human infection with <I>S.</I> Enteritidis is chickens and their products such as meat and eggs. A total of 173 <I>S.</I> Enteritidis isolates from humans (65 isolates) and chickens or their products (108 isolates) were analyzed by antibiotic susceptibility assay, phage typing, and pulsed-field gel electrophoresis (PFGE). Drug resistance was found to streptomycin (32.3%), ampicillin (30.6%), nalidixic acid (30.1%), ticarcillin (30.1%), and tetracycline (28.3%). More than 70% of the isolates were found to be resistant to one or more antibiotics tested. The most frequent patterns of resistant isolates were resistance to nalidixic acid only (28.3%) and resistance to two antibiotics (four combinations; 20.2%). The most predominant phage type (PT) was PT1 (27.2%) followed by PT21 (20.8%) and PT4 (8.7%) in chicken and human isolates. Nineteen different PFGE patterns were found among the 173 isolates, and A1 was the most common PFGE pattern, followed by A6 (17.3%). Most <I>S.</I> Enteritis isolates (except two isolates with patterns B and C) showed similar PFGE patterns that differed by only a few bands. These results show that 2 or 3 subtypes of <I>S.</I> Enteritidis are shared to a large extent by humans and chickens. This implies the possibility of the spread of chicken <I>S.</I> Enteritidis to humans.</P>
Kang, Hyo Jung,Yoon, Won Joo,Moon, Gyeong Joon,Kim, Doo Yeon,Sohn, Seonghyang,Kwon, Hyuk Jae,Gwag, Byoung Joo Elsevier 2005 Neurobiology of disease Vol.18 No.3
<P><B>Abstract</B></P><P>Excitotoxicity, oxidative stress, and apoptosis have been recognized as routes to neuronal death in various neurological diseases. We examined the possibility that PHF-1 tau, a substrate for various proteases, would be selectively cleaved depending upon routes of neuronal death. Cleavage form of PHF-1 tau was not observed in cortical cell cultures exposed to excitotoxins or oxidative stress that cause neuronal cell necrosis. PHF-1 tau was cleaved within 8 h following exposure of cortical cell cultures to apoptosis-inducing agents. This cleavage was blocked by inclusion of zDEVD-fmk, an inhibitor of caspase-3, and accompanied by activation of caspase-3. Levels and cleavage of PHF-1 tau were markedly increased in AD brain compared with control. Moreover, PHF-1 tau and active caspase-3 were colocalized mostly in tangle-bearing neurons. The current findings suggest that PHF-1 tau is cleaved by caspase-3 during apoptosis and neurodegenerative process in AD.</P>
Nanotube oscillator based on a short single-walled carbon nanotube bundle
Kang, Jeong Won,Song, Ki Oh,Hwang, Ho Jung,Jiang, Qing IOP Pub 2006 Nanotechnology Vol.17 No.9
<P>Carbon nanotube (CNT) oscillators based on a single-walled CNT bundle were investigated using classical molecular dynamics simulations. We present the schematics of a CNT bundle oscillator that could be initiated by an electrostatic capacitive force. While the capacitive force acting on a CNT oscillator extruded it, the force exerted on the CNT oscillator by the excess van der Waals energy sucked it into the bundle. Therefore, the CNT oscillator could be oscillated by both Coulomb and the van der Waals interactions. The operation frequency of a CNT bundle oscillator could be controlled by both the size and the length of the bundle. Our molecular dynamics simulation results showed unique features of the CNT bundle oscillators such as chaotic signature and high damping rate. CNT oscillation in the bundle showed the coupled motion to be dependent on other CNTs rather than a collective motion of the bundle. As the number of CNTs in the bundle oscillator increased, the chaotic signature of the CNT bundle oscillator increased with the increasing of coupled CNTs. </P>
Kang, Hio Chung,Kim, Il-Jin,Park, Jae-Hyun,Shin, Yong,Jang, Sang-Geun,Ahn, Sun-A,Park, Hye-Won,Lim, Sun-Kyung,Oh, Seung Keun,Kim, Dae Jung,Lee, Kwan Woo,Choi, Young-Sik,Park, Young Joo,Lee, Min Ro,Kim National Hellenic Research Foundation 2005 ONCOLOGY REPORTS Vol.14 No.4
<P>Von Hippel-Lindau (VHL) disease is an autosomal dominant inherited tumor syndrome associated with germline mutations in the VHL gene. VHL disease, as well as several other cancer syndromes, has been associated with an increased risk of pheochromocytomas, which are catecholamine-secreting tumors of the adrenal gland. VHL disease genotype-phenotype correlations have been well established based on the type of mutations in the VHL gene. However, although many groups have reported VHL germline mutations in different countries, no previous report has described VHL gene mutations in VHL disease and/or pheochromocytoma patients in Korea. In this study, we used direct sequencing to investigate VHL germline mutations in Korean patients with VHL disease or pheochromocytomas (11 VHL patients and 3 additional members from 7 families, 2 patients from 1 family with familial pheochromocytoma, and 2 cases of isolated pheochromocytoma). We found a total of 7 VHL germline mutations (6 missense and 1 frameshift), 3 of which were novel (323_324delGC, 355T>C and 361G>A). No VHL germline mutation was found in the 2 patients with isolated pheochromocytomas and paragangliomas. This study provides informative data for VHL germline mutations and VHL-related phenotypes in Korea.</P>