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Signet-ring cell carcinoma arising from a fundic gland polyp in the stomach

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World Journal of Gastroenterology 2014年第47期20卷 18044-18047页

作者： Yong Seol Jeong Sung Eun kim Mi-Jung Kwon Jae Yong Seo Hyun Lim Ji Won Park Ho Suk Kang Sung Hoon Moon Jong Hyuk kim Choong kee Park Department of Internal Medicine University of Hallym College of MedicineHallym University Sacred Heart Hospital Department of Pathology University of Hallym College of MedicineHallym University Sacred Heart Hospital

Fundic gland polyps(FGPs)are currently the most common type of gastric polyps and are usually ***,although rare,gastric adenocarcinoma of FGP has been recently proposed as a new variant of gastric *** we report the first case of a49-year-old woman with focal signet ring cell carcinoma that arose from an FGP of the *** tumor was completely excised by endoscopic snare *** should therefore be evaluated for malignant changes although they occur rarely,if the FGP has an erosive or irregular surface.

关键词： Fundic gland polyp Signet ring cell

Tailoring Classical Conditioning Behavior in TiO_(2) Nanowires:ZnO QDs-Based Optoelectronic Memristors for Neuromorphic Hardware

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Nano-Micro Letters 2024年第7期16卷 265-280页

作者： Wenxiao Wang Yaqi Wang Feifei Yin Hongsen Niu Young-kee Shin Yang Li Eun-Seong kim Nam-Young kim School of Information Science and Engineering University of JinanJinan 250022People’s Republic of China RFIC Centre NDAC CentreKwangwoon UniversityNowon-guSeoul 139-701South Korea Department of Electronics Engineering Kwangwoon UniversityNowon-GuSeoul 139-701South Korea School of Microelectronics Shandong UniversityJinan 250101People’s Republic of China Department of Molecular Medicine and Biopharmaceutical Sciences Seoul National UniversitySeoul 08826South Korea

Neuromorphic hardware equipped with associative learn-ing capabilities presents fascinating applications in the next generation of artificial ***,research into synaptic devices exhibiting complex associative learning behaviors is still ***,an optoelec-tronic memristor based on Ag/TiO_(2) Nanowires:ZnO Quantum dots/FTO was proposed and constructed to emulate the biological associative learning *** implementation of synaptic behaviors,including long and short-term plasticity,and learning-forgetting-relearning behaviors,were achieved in the device through the application of light and electrical *** the optoelectronic co-modulated characteristics,a simulation of neuromorphic computing was conducted,resulting in a handwriting digit recognition accuracy of 88.9%.Furthermore,a 3×7 memristor array was constructed,confirming its application in artificial visual *** importantly,complex biological associative learning behaviors were emulated by mapping the light and electrical stimuli into conditioned and unconditioned stimuli,*** training through associative pairs,reflexes could be triggered solely using light ***-sively,under specific optoelectronic signal applications,the four features of classical conditioning,namely acquisition,extinction,recovery,and generalization,were elegantly *** work provides an optoelectronic memristor with associative behavior capabilities,offering a pathway for advancing brain-machine interfaces,autonomous robots,and machine self-learning in the future.

关键词： Artificial intelligence Classical conditioning Neuromorphic computing Artificial visual memory Optoelectronic memristors ZnO Quantum dots

Genetically confirmed Wilson disease in a 9-month old boy with elevations of aminotransferases

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World Journal of Hepatology 2013年第3期5卷 156-159页

作者： Joo Whee kim Jong Hyun kim Jeong kee Seo Jae Sung Ko Ju Young Chang Hye Ran Yang Kyung Hoon Kang Department of Pediatrics Seoul National University Children's Hospital Department of Pediatrics St. Vincent's Hospital The Catholic University of Korea Department of Pathology Seoul National University Children's Hospital

Wilson disease (WD) is an autosomal recessive disorder of copper transport caused by alteration of the adenosine triphosphatase 7B gene. It is rare to diagnose WD below the age of three years. Molecular genetic testing is one of the most important diagnostic methods and may confirm the diagnosis in equivocal cases. We report a case of a 9-mo old boy with WD who presented as chronic hepatitis. Genetic analysis showed compound heterozygotes of p.G1186S and c.4006delA.

关键词： Hepatolenticular degeneration Wilson disease Early diagnosis Molecular genetics Mutation

Relationship between physicochemical characteristics of Korean wheat flour and quality attributes of steamed bread

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Journal of Integrative Agriculture 2019年第11期18卷 2652-2663页

作者： Ji-Eun kim Byung-kee Baik Chul Soo Park Jae-Han Son Chang-Hyun Choi Youngjun Mo Tae-Il Park Chon-Sik Kang Seong-Woo Cho Department of Crop Science&Biotechnology Chonbuk National UniversityJeonju 54896Korea USDA-ARS CSWQRU Soft Wheat Quality LaboratoryWoosterOH 44691USA National Institute of Crop Science Rural Development AdministrationWanju 55365Korea

The purpose of this study is to identify major factors affecting the manufacture and quality of steamed bread,consumed in Southeast Asia including China,Japan,and ***,flours of 11 Korean wheat cultivars were used to evaluate quality attributes of two different styles of steamed bread,Korean style steamed bread(KSSB)and northern-style Chinese steamed bread(NSCSB).KSSB prepared more ingredients and higher optimum water absorption of dough than NSCSB because Korean consumers prefer white and glossy surface and soft *** showed lower height,larger diameter and volume of steamed bread,higher stress relaxation,and softer texture of crumb than *** correlation between flour characteristics and quality of steamed bread was different in KSSB and *** 90%of variability in the height and volume of KSSB could be predicted from protein content,mixing tolerance of Mixograph,average particle size of flour,final viscosity and solvent retention *** content and quality parameters also could explain the variation of steamed bread height in *** wheat carrying Glu-A3c allele produced higher volume of steamed bread(704.7 mL)than Glu-A3d allele(645.8 mL)in KSSB,although there was no significant difference in volume of NSCSB by glutenin ***-D1d and Glu-A3c alleles had softer texture of crumb than Glu-D1f and Glu-A3d alleles in KSSB,Glu-B3i allele also showed lower hardness of crumb than their counterpart allele in *** wheat showed higher height and volume of steamed bread,and lower stress relaxation and hardness of crumb than soft wheat in KSSB.

关键词： steamed bread quality wheat flour evaluation

Lymphovascular invasion in more than one-quarter of small rectal neuroendocrine tumors

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World Journal of Gastroenterology 2016年第42期22卷 9400-9410页

作者： Mi Jung Kwon Ho Suk Kang Jae Seung Soh Hyun Lim Jong Hyeok kim Choong kee Park Hye-Rim Park Eun Sook Nam Department of Pathology Hallym University Sacred Heart Hospital Department of Internal Medicine Hallym University Sacred Heart Hospital Department of Pathology Kangdong Sacred Heart Hospital Hallym University College of Medicine

AIM To identify the frequency, clinicopathological risk factors, and prognostic significance of lymphovascular invasion(LVI) in endoscopically resected small rectal neuroendocrine tumors(NETs).METHODS Between June 2005 and December 2015, 104 cases of endoscopically resected small(≤ 1 cm) rectal NET specimens at Hallym University Sacred Heart Hospital in Korea were retrospectively evaluated. We compared the detected rate of LVI in small rectal NET specimens by two methods: hematoxylin and eosin(H&E) and ancillary immunohistochemical staining(D2-40 and Elastica van Gieson); in addition, LVI detection ratedifference between endoscopic procedures were also evaluated. Patient characteristics, prognosis and endoscopic resection results were reviewed by medical *** We observed LVI rates of 25.0% and 27.9% through H&E and ancillary immunohistochemical staining. The concordance rate between H&E and ancillary studies was 81.7% for detection of LVI, which showed statistically strong agreement between two methods(κ = 0.531, P 5 mm, P = 0.007), tumor grade 2(P = 0.006). Among those factors, tumor grade 2 was the only independent predictive factor for the presence of LVI(HR = 4.195, 95%CI: 1.321-12.692, P = 0.015). No recurrence was observed over 28.8 mo regardless of the presence of *** LVI may be present in a high percentage of small rectal NETs, which may not be associated with short-term prognosis.

关键词： Rectum Neuroendocrine tumor Lymphatic Immunohistochemistry Prognosis

Improvements in the cervical angle and anthropometric distances using elasticum suspension

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Plastic and Aesthetic Research 2016年第1期3卷 384-389页

作者： Seong kee kim Kun Hwang Hun kim Young Rok kim Yeop Na Dr kim’s Aesthetic Surgical Plastic Clinic Seoul 06025South Korea Department of Plastic Surgery Inha University School of MedicineIncheon 22332South Korea

Aim:This study aims to characterize the effects of elastic facelifts using the elasticum suspension technique on the cervical angle and anthropometric ***:Forty-six patients underwent *** 4-5 mm incisions a few centimetres apart were made at *** blunt dissection,the deep temporal fascia was *** elastic thread(Elasticum®)was anchored to this fascia.A 1.0 cm incision was made just in front of the *** elastic thread was anchored to the tympanoparotid *** needle was passed under the skin surface,as determined by the depth mark of the needle along the cervicomandibular angle,and the elastic threads were looped around the contralateral tympanoparotid *** lateral photographs were taken and ***:The elasticum suspension significantly decreased the cervical angle(P<0.001,-5.5±9.8%).This procedure significantly decreased the distance from the gonion-gnathion to the labiale inferioris(Gn-Li)(P<0.001,-18.4±25.5%).The ratio of the distance from Gn to the cervical point(Gn-C)to Gn-Li increased significantly(P<0.001,62.8±85.8%)and the ratio of the distance from C to the visible thyroid cartilage(C-T)to Gn-C decreased significantly(P=0.007,-7.1±45.2%).Conclusion:Elasticum suspension may be a satisfactory minimally invasive method for facelifts,brow lifts,and neck lifts.

关键词： Rhytidoplasty rejuvenation anthropometry

Charge transfer in graphene/polymer interfaces for CO2 detection

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Nano Research 2018年第7期11卷 3529-3536页

作者： Myungwoo Son Yusin Pak Sang-Soo Chee Francis Malar Auxilia Kihyeun kim Byung-kee Lee Sungeun Lee Sun Kil Kang Chaedeok Lee Jeong Soo Lee Ki Kang kim Yun Hee Jang Byoung Hun Lee Gun-Young Jung Moon-Ho Ham School of Materials Science and Engineering Research Institute for Solar and Sustainable Energies Gwangju Institute of Science & Technology 723 Cheomdangwagi-ro Buk-gu Gwangju 61005 Republic of Korea Materials & Devices Advanced Research Institute LG Electronics Woomyeon R&D Campus 38 Baumoe-ro Seocho-gu Seoul 06763 Republic of Korea Department of Energy and Materials Engineering Dongguk University Seoul 04620 Republic of Korea Energy Systems Engineering Daegu Gyeongbuk Institute of Science & Technology 333 Technojungang-daero Hyeonpung-myeon Dalseong-gun Daegu 42988 Republic of Korea

Understanding charge transfer processes between graphene and functional materials is crucial from the perspectives of fundamental sciences and potential applications, including electronic devices, photonic devices, and sensors. In this study, we present the charge transfer behavior of graphene and amine-rich polyethyleneimine （PEI） upon CO2 exposure, which was significantly improved after introduction of hygroscopic polyethylene glycol （PEG） in humid air. By blending PEI and PEG, the number of protonated amine groups in PEI was remarkably increased in the presence of water molecules, leading to a strong electron doping effect on graphene. The presence of CO2 gas resulted in a large change in the resistance of PEI/PEG-co-functionalized graphene because of the dramatic reduction of said doping effect, reaching a maximum sensitivity of 32% at 5,000 ppm CO2 and an applied bias of 0.1 V in air with 60% relative humidity at room temperature. This charge transfer correlation will facilitate the development of portable graphene-based sensors for real-time gas detection and the extension of the applications of graphene-based electronic and photonic devices.

关键词： graphene polyethyleneimine (PEI) polyethylene glycol carbon dioxide charge transfer

Finite Element Analysis for Groove Wander Prediction of Passenger Car Tires with the Longitudinal Tread Grooves

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Engineering（科研） 2016年第1期8卷 11-20页

作者： Kyoung Moon Jeong Sung Ju Kang Hyoung Seok kim kee Woon kim R&D Center KUMHO TIRE Co. Inc. Yongin-si South Korea

A finite element modeling technique is employed in this paper to predict the groove wander of longitudinal tread grooved tires. In generally, groove wander is the lateral force acting on a vehicle’s wheel resulting from the combination of rain grooves. If the lateral force of tire is generated by groove wander, unexpected lateral motion of vehicle will happen and it makes drivers uncomfortable. This paper describes the effect of groove wander according to the shape condition of tire tread groove and highway groove using the finite element analysis based on a static loading or a steady-state rolling assumption. The road groove can be located anywhere relative to the longitudinal tread groove. Therefore, the lateral force of the tire is changing depending on the location of the groove road. The numerical results for groove wander prediction of the longitudinal tread grooved tires are compared with the subjective evaluation. It is found that the waveform for the tire with varying grooved road position has a peak-to-peak lateral force in order to estimate the rating of groove wander. The effect of the road groove width and the pitch length on the peak-to-peak lateral force of tire is discussed. It is found that the prediction of FEA-based groove wander model using finite element analysis will be useful for the reliability design of the tire tread pattern design.

关键词： Groove Wander Tire Finite Element Analysis Lateral Force Tread Design

Digit-serial systolic power-sum array in GF(2m)

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Digit-serial systolic power-sum array in GF(2m)