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Yu, K‐,H.,Hong, K‐,S.,Lee, B‐,C.,Oh, M‐,S.,Cho, Y‐,J.,Koo, J‐,S.,Park, J‐,M.,Bae, H‐,J.,Han, M‐,K.,Ju, Y‐,S.,Kang, D‐,W.,Appelros, P. Blackwell Publishing Ltd 2011 Acta neurologica Scandinavica Vol.123 No.5
<P>Yu K‐H, Hong K‐S, Lee B‐C, Oh M‐S, Cho Y‐J, Koo J‐S, Park J‐M, Bae H‐J, Han M‐K, Ju Y‐S, Kang D‐W, Appelros P, Norrving B, Terent A. Comparison of 90‐day case‐fatality after ischemic stroke between two different stroke outcome registries using propensity score matching analysis. Acta Neurol Scand: 2011: 123: 325–331. © 2010 John Wiley & Sons A/S.</P><P><B>Background – </B> It has not been clarified whether the disparity in ischemic stroke outcome between populations is caused by ethnic and geographic differences or by variations in case mix. Propensity score matching (PSM) analysis can overcome some analytical problems but is rarely used in stroke outcome research. This study was to compare the ischemic stroke case‐fatality between two PSM cohorts of Sweden and Korea.</P><P><B>Methods – </B> Prognostic variables related to baseline characteristics and stroke care were included in our PSM model. Then, we selected 7675 Swedish and 1220 Korean patients with ischemic stroke from each stroke registers and performed one‐to‐one matching based on propensity scores of each patient.</P><P><B>Results – </B> After PSM, all measured variables were well balanced in 1163 matched subjects, and the 90‐day case‐fatality was identical 6.2% (HR 0.997, 95%CI 0.905–1.099) in Sweden and Korea.</P><P><B>Conclusions – </B> No difference is found in the 90‐day case‐fatality in propensity score‐matched Swedish and Korean patients with ischemic stroke.</P>
유재용(J. Y. Yu),조성학(S. H. Cho),박정규(J. K. Park),윤지욱(J. W. Yoon),황경현(K. H. Whang),고지 수지오카(K. Sugioka),홍종욱(J. W. Hong),허원하(W. H. Heo),다니얼 뵈머(D. Boehme),박준형(J. H. Park),세바스찬 잰더(S. Zander) 한국레이저가공학회 2011 한국레이저가공학회지 Vol.14 No.2
Active thin films are ubiquitous in the manufacture of all forms of flat panel display (FPD). One of the most widely employed thin films is indium tin oxide (ITO) and metal films used electrically conductive materials in display industries. ITO is widely used for fabrication of LCD, OLED device, and many kinds of optical applications because of transparency in visible range and its high conductivity and metal films are also widely employed as electrodes in various electric and display industries. It is important that removing specific area of layer, such as ITO or metal film on substrate, to fabricate and repair electrode in display industries. In this work, we demonstrate efficient selective ablation process to ITO and aluminum film on glass using a femtosecond laser (λp = 1025㎚) respectively. The femtosecond laser with wavelength of 1025㎚, pulse duration of 400fs, and the repetition rate of 100㎑ was used for selectively removing ITO and Al on glass in the air. We can successfully remove the ITO and Al films with various pulse energies using a femtosecond laser.
Hypopigmentary Disorders Excluding Vitiligo : Clinical Features in 301 Patients
(U . C . Yeo),(K . C . Park),(M . G . Song),(J . H . Yoo),(B . S . Kim),(W . S . Koh),(B . S . Kim),(J . H . Choi),(D . K . Chun),(H . J . Yu) 대한피부과학회 2002 Annals of Dermatology Vol.14 No.1
N/A Background: Hypopigmentary diseases other than vitiligo are common. But, their relative prevalence was not studied so far. Objective: Our purpose was to show clinical features of hypopigmentary diseases except vitiligo tohelp clinicians differentiate hypopigmentary diseases. Methods: Each disease was diagnosed by the dermatologists on the basis of clinical features, Wood`s lamp examination or histopathologic examination. Vitiligo was excluded by the same methods. Results :In 301 patients, nevus depigmentosus was the most common, followed by pityriasis alba, pityriasis versicolor, postinflammatory hypopigmentation, idiopathic guttate hypomelanosis in descending order of frequency. Male preponderance was observed in other diseases except nevus depigmentosus. Nevus depigmentosus, postinflammatory hypopigmentation, pityriasis alba, and pityriasis versicolor were common in the 1st and 2nd decades. Idiopathic guttate hypomelanosis was observed mostly in the elderly. Most nevus depigmentosus had one lesion. Pityriasis alba and postinflammatory hypopigmentation most commonly had 2 to 5 lesions.In pityriasis versicolor and idiopathic guttate hypomelanosis, more than 20 lesions were most common. Trunk was the most common site in nevus depigmentosus and pityriasis versicolor, the face in pityriasis alba and extremities in idiopathic guttate hypomelanosis. Postinflammatory hypopigmentation had no predilection sites. Conclusion: In this study, we showed differences in clinical features of several hypopigmentary disorders. (Ann Dermatol 14(1)6-10,2002).
유성란,정행진,정기철,이준헌,조규완,최재관,나기준,상병찬 한국동물자원과학회 2003 한국축산학회지 Vol.45 No.6
Cellular FOS(c-fos) protein is a transcription factor that forms heterodimers mostly with c-jun family and stimulates the transcription of genes containing AP-1 regulatory elements. This c-fos expression can control growth and differentiation of various precursor cells including myoblasts. The controls by c-fos gene have been identified for affecting skeletal muscle fiber traits which are the key determinants of meat quality in pigs. As a first step for identifying the relationship between c-fos gene and meat quality traits in cattle, we fully sequenced 1,443 bp of Hanwoo c-fos mRNA and analyzed expression patterns from various organs and muscle tissues. The sequence identities of Hanwoo c-fos with that of human, pig and mouse showed 89.8%, 93.3% and rib muscle from 7 organs and 9 different parts of muscles investigated. These results presented here can be used as a valuable marker for meat quality related traits in cattle with further verification.