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Kyul Ko,Changbeom Woo,Minsoo Kim,Youngsoo Seo,Shinkeun Kim,Myounggon Kang,Hyungcheol Shin 대한전자공학회 2017 Journal of semiconductor technology and science Vol.17 No.5
In this paper, intrinsic characteristics of gate-all-around (GAA) nanoplate (NP) vertical FET (VFET) were investigated for single and multichannel structure through 3-D technology computeraided design (TCAD) simulations. The vertical device has strong immunity for the unprecedented short channel effects (SCE) and intrinsic gate delay compared with the lateral device owing to the flexible expansion channel in vertical direction. The proposed single and multi-channel NP VFETs (NP height = 40 nm) exhibit excellent characteristics with Ion/Ioff > 105, subthreshold swing (SS) < 73 mV/decade, and draininduced barrier lowering (DIBL) < 60 mV/V.
-Kyul Park,Tae-Seop Kim,Dong-Ho Geum,Sang-Yong Yoon,Jae-Min Song,Dae-Seok Hwang,Yeong-Cheol Cho,Uk-Kyu Kim 대한구강악안면외과학회 2015 대한구강악안면외과학회지 Vol.41 No.2
Squamous cell carcinoma (SCC) is the most common malignant tumor in the oral cavity, and it accounts for about 90% of all oral cancers. Several risk factors for oral SCC have been identified; however, SCC associated with odontogenic keratocysts have rarely been reported. The present study describes the case of a 36-year-old man with SCC of the right ramus of the mandible, which was initially diagnosed as a benign odontogenic cyst. He underwent enucleation at another hospital followed by segmental mandibulectomy and fibular free flap reconstruction at our institution. In this case, we introduce a patient with oral cancer associated with odontogenic cyst on the mandible and report a satisfactory outcome with wide resection and imme- diate free flap reconstruction.
Kyul Jo,Hee-Jung Cho,Hee Yi,Soo-Min Cho,Jin-A Park,Chan-Hyeok Kwon,Hee-Ra Park,Ki-Sung Kwon,Ho-Chul Shin 한국실험동물학회 2011 Laboratory Animal Research Vol.27 No.1
This study was developed and validated for the determination of oxyclozanide residue concentrations in beef and commercial milk, using high-performance liquid chromatography system. Oxyclozanide was successfully separated on a reverse phase column (Xbridge-C18, 4.6×250 ㎜, 5 ㎛) with a mobile phase composed of acetonitrile and 0.1% phosphoric acid (60:40, v/v%). This analytical procedure involved a deproteinization process using acetonitrile for beef and 2% formic acid in acetonitrile for commercial milk, dehydration by adding sodium sulfate to the liquid analytical sample, and a defatting process using n-hexane; after these steps, the extract was exposed to a stream of nitrogen dryness. The final extracted sample was dissolved in the mobile phase and filtered using a 0.45 ㎛ syringe filter. This method had good selectivity and recovery (70.70±7.90-110.79±14.95%) from the matrices. The LOQs ranged from 9.7 to 9.8 ㎍/㎏ for beef and commercial milk. The recoveries met the standards set by the CODEX guideline.