You-Seong Kim
Chonbuk National University
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Publication
Featured researches published by You-Seong Kim.
Acta Neurologica Scandinavica | 2008
Byoung-Soo Shin; Sun Young Oh; You-Seong Kim; Kee-Won Kim
Objectives – The paraoxonase (PON) gene can reduce the risk of developing atherosclerosis. We investigated the associations between PON polymorphisms and ischemic stroke. We also investigated the associations between PON polymorphisms and lipid profile in stroke patients.
Letters in Applied Microbiology | 2014
Sungmi Choi; You-Seong Kim; Sun-Young Oh; Taehoon Chun; S.H. Kim
We investigated the effects of skatole (3‐methylindole), which is one of the indole derivatives on the biofilm formation of EHEC O157:H7. Notably, skatole (100 μg ml−1) significantly reduced EHEC O157:H7 ATCC 43894 biofilm formation by 52% in 96‐well polystyrene plates under quiescent conditions, with no effect on planktonic cell growth. The skatole sample was maintained in stable conditions for 24 h without degradation or evaporation via EHEC O157:H7 ATCC 43894. Importantly, skatole negatively triggered the expression of catalase in EHEC strains, as well as altered EHEC surface morphology. Our finding indicated that suppressed catalase activity via skatole might have been responsible for elevated endogenous oxidative stress and increment in oxidative metabolites might have led to damaged cell surfaces and a reduction in biofilm formation of EHEC O157:H7 ATCC 43894.
Archive | 2007
You-Seong Kim; Myoung-Soo Won
In this study, the fifteen-month behavior of two geosynthetic reinforced soil walls, which was constructed on the shallow weak ground, was measured and analyzed. The walls were backfilled with clayey soil obtained from the construction site nearby, and the safety factors obtained from general limit equilibrium analysis were less than 1.3 in both wall. To compare with the measured data from the real GRS walls and unreinforced soil mass, a series of finite element method (FEM) analyses on two field GRS walls and unreinforced soil mass were conducted. The FEM analysis results showed that failure plane of unreinforced soil mass was consistent with the Rankine active state, but failure plane did not occur in GRS walls. In addition, maximum horizontal displacements and shear strains in GRS walls were 50% smaller than those found in unreinforced soil mass. Modeling results such as the maximum horizontal displacements, horizontal pressure, and geosynthetic tensile strengths in GRS wall have a god agreement with the measured data. Based on this study, it could be concluded that geosynthetic reinforcement are effective to reduce the displacement of the wall face and/or the deformation of the backfill soil even if the mobilized tensile stress after construction is very small.
Geotextiles and Geomembranes | 2007
Myoung-Soo Won; You-Seong Kim
Canadian Geotechnical Journal | 2008
Myoung-Soo Won; You-Seong Kim
Journal of the Korean Geotechnical Society | 2014
You-Seong Kim; Jae-Hong Kim; Tae-Heon Kim; Jin-Kwang Lee
Journal of the Korean Geotechnical Society | 2015
You-Seong Kim; Jaehong Kim; Se-Gwan Seo; In-Hwang Bhang
Journal of Porous Media | 2014
You-Seong Kim; Jae-Hong Kim; Dae-Seong Cho
Journal of the Korean Geotechnical Society | 2013
You-Seong Kim; Jae-Hong Kim; Jin-Kwang Lee; Seong-Soo Kim
Journal of the Korean Geotechnical Society | 2013
You-Seong Kim; Jae-Hong Kim; In-Hwang Bhang; Se-Gwan Seo