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Comprehensive molecular analysis to predict the efficacy ofchemotherapy containing bevacizumab in patients with metastaticcolorectal cancer

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肿瘤学研究(英文) 2023年第6期31卷 855-866页

作者： SUNG HEE LIM HEE JIN CHO KYOUNG-MEE kim HO YEONG LIM WON KI KANG JEEYUN LEE YOUNG SUK PARK HEE CHEOL kim SEUNG tae kim Division of Hematology/Oncology Department of MedicineSamsung Medical CenterSungkyunkwan University School of MedicineGangnam-guSeoul06351Korea Precision Medicine Research Institute Samsung Medical CenterGangnam-guSeoul06351Korea Department of Biomedical Convergence Science and Technology Kyungpook National UniversityDaegu41566Korea Department of Pathology and Translational Genomics Samsung Medical CenterSungkyunkwan University School of MedicineSeoul06351Korea Department of Surgery Samsung Medical CenterSungkyunkwan University School of MedicineGangnam-guSeoul06351Korea

Background:Although bevacizumab is an important treatment for metastatic colorectal cancer(CRC),not allpatients with CRC benefit from it;in unselected patient populations,only modest survival benefits have been ***:We evaluated clinical outcomes in 110 patients using comprehensive molecular characterization to identifybiomarkers for a response to bevacizumab-containing *** molecular analysis comprised whole-exomesequencing,ribonucleic acid sequencing,and a methylation array on patient ***:Genomic and molecularcharacterization was successfully conducted in 103 *** of 103 CRC samples were hypermutated,and none ofthe non-hypermutant tumors were microsatellite *** those 103 patients,89 had adenocarcinoma(ADC),15 were diagnosed with mucinous ADC,and six had signet-ring cell carcinoma(SRCC).Consensus molecular subtype(CMS)2 was unique to *** the four SRCCs,two were CMS1,one was CMS4,and the other was *** status was a significantly enriched factor in responders to bevacizumab *** growth factorreceptor(FGFR)1/2 signaling was upregulated in non-responders,whereas cell cycle,transfer ribonucleic acidprocessing,nucleotide excision repair,and oxidative phosphorylation pathways were enriched in ***,IGF1 was differentially expressed in non-responders(log2 fold change=−1.43,p=4.11×10^(−5),falsediscovery rate=0.098),and FLT1 was highly methylated in non-responders(p=7.55×10^(−3)).When the molecularpathways were reanalyzed separately according to the backbone chemotherapy(FOLFOX ***),thesignificance of the molecular pathways varied according to the backbone ***:This studysought a subset of CRC patients with a distinct clinical response to chemotherapy containing *** need to be validated in a large group of homogenous patient cohort and examined according to the differentchemotherapy backbones to create personalized therapeutic oppor

关键词： Bevacizumab Whole-exome sequencing Ribonucleic acid sequencing Methylation array Colorectal cancer

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Characterization of Ceramic Composite-Membranes Prepared by ORMOSIL Coating Sol

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Journal of Rare Earths 2004年第Z2期22卷 136-140页

作者： Goo-Dae kim tae-Bong kim School of New Materials Science and Engineering Yonsei UniversitySeoul 120-749Korea Division of MaterialsKorea Institute Science and TechnologySeoul 136-791Korea

Sol-gel methods offer many advantages over conventional slip-casting, including the ability to produce ceramic membranes. They are purer, more homogeneous, more reactive and contain a wider variety of compositions. We produced ormosil sol using sol-gel process under different molecular weight of polymer species [polyethylene glycol (PEG) ] in total system [Tetraethyl ortho silicate(TEOS)-polyethylene glycol (PEG)]. The properties of as-prepared ormosil sol such as,viscosity, gelation time were characterized. Also, the ceramic membrane was prepared by dip-coating with synthetic sol and its micro-structure was observed by scanning electron microscopy. The permeability and rejection efficiency of membrane for oil/water emulsion were evaluated as cross-flow apparatus. The ormosil sol coated Membrane is easily formed by steric effect of polymer and it improves flux efficiency because infiltration into porous support decreased. Its flux efficiency is elevated about 200(1/m2·h) compared with colloidal sol coated membrane at point of five minutes from starting test.

关键词： ORMOSIL sol crack Resistance ultra-filter micro-filter

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Publisher Correction to:Highly Elastic,Bioresorbable Polymeric Materials for Stretchable,Transient Electronic Systems

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Nano-Micro Letters 2024年第8期16卷 417-417页

作者： Jeong‑Woong Shin Dong‑Je kim tae‑Min Jang Won Bae Han Joong Hoon Lee Gwan‑Jin Ko Seung Min Yang Kaveti Rajaram Sungkeun Han Heeseok Kang Jun Hyeon Lim Chan‑Hwi Eom Amay JBandodkar Hanul Min Suk‑Won Hwang KU‑KIST Graduate School of Converging Science and Technology Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea SK Hynix 2091Gyeongchung‑daeroBubal‑eupIcheon‑siGyeonggi‑do 17336Republic of Korea Hanwha Systems Co. Ltd.188Pangyoyeok‑roBundang‑guSeongnam‑siGyeonggi‑do 13524Republic of Korea Department of Electrical and Computer Engineering North Carolina State UniversityRaleighNC 27606USA Center for Advanced Self‑Powered Systems of Integrated Sensors and Technologies(ASSIST) North Carolina State UniversityRaleighNC 27606USA Department of Integrative Energy Engineering Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea Biomaterials Research Center Korea Institute of Science and Technology(KIST)5 Hwarang‑ro 14‑gilSeongbuk‑guSeoul 02792Republic of Korea Semiconductor R&D Center Samsung Electronics Co.Ltd.Hwaseong‑siGyeonggi‑do 18448Republic of Korea Center for Advanced Biomolecular Recognition Biomedical Research DivisionKorea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea

Due to typesetting mistake,Hanul Min was missed to be denoted as a corresponding author in the *** type-setter apologizes for *** original article has been *** Access This article is licensed under a Creative Commons Attribution 4.0 International License,which permits use,sharing,adaptation,distribution and reproduction in any medium or format,as long as you give appropriate credit to the original author(s)and the source,provide a link to the Creative Commons licence,and indicate if changes were *** images or other third party material in this article are included in the article’s Creative Commons licence,unless indicated otherwise in a credit line to the *** material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use,you will need to obtain permission directly from the copyright holder.

关键词： Creative Elastic Highly

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A 2-Dimensional Micro Flow Sensor with Wide Range Flow Sensing Properties

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稀有金属材料与工程 2006年第A3期35卷 590-594页

作者： tae-Yong kim Division of Computer and Information Engineering Dongseo UniversityBusan 617-716Korea

A new silicon micro flow sensor with multiple temperature sensing elements was proposed and numerically simulated in considering wide range flow measuring *** micro flow sensor has three pairs of temperature sensing elements with a central heater compared with typical sensor which has only a temperature sensing element on each side of a central heater.A numerical analysis of the micro flow sensor by Finite Difference Formulation for Heat Transfer Equation was *** nearest pair of temperature sensor showed very good linear sensitivity between 0 to 0.4m/s flow and saturated from 0.75m/s *** the furthest pair of temperature sensor showed some flow sensitivity even though the flow rate of 2.0m/***,this suggested new micro flow meter with multiple temperature sensing elements could be used as a thermal mass flow sensor which has accuracy sensitivity for very wide flow range.

关键词： micro sensor silicon sensor flow sensor 2-D micro flow sensor thermal simulation FDM

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Dieckol isolated from Eisenia bicyclis extract suppresses RANKL-induced osteoclastogenesis in murine RAW 264.7 cells

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Asian Pacific Journal of Tropical Biomedicine 2022年第6期12卷 262-269页

作者： Su-Hyeon Cho tae-Hyung Kwon Hoibin Jeong Jin Sook kim Song-Rae kim Myeong Seon Jeong SeonJu Park Miri Choi Jung-Hee Woo Juhee Ahn Kil-Nam kim Chuncheon Center Korea Basic Science InstituteChuncheon 24341Republic of Korea Department of Medical Biomaterials Engineering College of Biomedical SciencesKangwon National UniversityChuncheon 24341Republic of Korea Department of Research and Development Chuncheon Bio-industry FoundationChuncheonRepublic of Korea Marine Industry Research Institute for East se rim Uljin-gunGyeongsangbuk-doRepublic of Korea Department of Bio-analysis Science University of Science&TechnologyDaejeon34113Republic of Korea

Objective:To demonstrate the effect of dieckol from Eisenia bicyclis on osteoclastogenesis using RAW 264.7 ***:Murine macrophage RAW 264.7 cells were subjected to dieckol treatment,followed by treatment with receptor activator of nuclear factor kappa-B ligand(RANKL)to induce ***-resistant acid phosphatase(TRAP)activity was examined using a TRAP activity *** blotting analysis was conducted to examine the level of osteoclast-related factors,including TRAP and calcitonin receptor(CTR),transcriptional factors,including c-Fos,c-Jun,and nuclear factor of activated T cells cytoplasmic 1(NFATc1),nuclear factor kappa-B(NF-κB),extracellular signal-regulated kinase(ERK),and c-Jun N-terminal kinase(JNK).Immunofluorescence staining was conducted to examine the expression of c-Fos,c-Jun,and ***:Among the four phlorotannin compounds present in Eisenia bicyclis,dieckol significantly hindered osteoclast differentiation and expression of RANKL-induced TRAP and *** addition,dieckol downregulated the expression levels of c-Fos,c-Jun,NFATc1,ERK,and JNK,and suppressed NF-κB ***:Dieckol can suppress RANKL-induced ***,it has therapeutic potential in treating osteoclastogenesis-associated diseases.

关键词： Eisenia bicyclis Dieckol Osteoclasts ERK JNK NF-κB RANKL TRAP Calcitonin receptor NFATc1 RAW 264.7 cell

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Rationally designed graphene channels for real-time sodium ion detection for electronic tongue

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InfoMat 2023年第7期5卷 43-58页

作者： Chung Won Lee Sang Eon Jun Seung Ju kim tae Hyung Lee Sol A.Lee Jin Wook Yang Jin Hyuk Cho Shinyoung Choi Cheol-joo kim Soo Young kim Ho Won Jang Department of Materials Science and Engineering Research Institute of Advanced MaterialsSeoul National UniversitySeoulRepublic of Korea Department of Materials Science and Engineering Korea UniversitySeoulRepublic of Korea Department of Chemical Engineering Pohang University of Science and Technology(POSTECH)PohangRepublic of Korea Advanced Institute of Convergence Technology Seoul National UniversitySuwonRepublic of Korea

Monitoring taste-inducing ions and molecules continuously in liquids or solutions is of great considerable matter for the realization of the electronic tongue(E-tongue).Particularly from the five major tastes,the highly selective,sensitive detection of Na^(+)in real-time is *** is due to the saltiness of food is the key ingredient in most ***,existing Na^(+)detecting devices have relatively low performances of selectivity,sensitivity,and lack of on–off ***,conventional devices significantly deteriorate in capac-ity due to repetitive usage or lifetime shortage by degradation of the sensing ***,a graphene-based channel was rationally designed by the facile decoration of Calix[4]arene and Nafion to address this *** act as a receptor and a molecular sieve,respectively,to enhance selectivity and sensitivity and elon-gate the life expectancy of the *** device was merged with a microfluidic channel to control the injection and withdrawal of solutions to fulfill dynamic on–off *** fabricated device has highly selective,sensitive Na^(+)detection properties compared to other 10 molecule/ionic *** on–off functions of the device were available,also possesses a long lifespan of at least 220 ***,it can precisely discriminate real beverages containing Na^(+),which can be observed by principal component analysis *** features offer the possibility of ascending to a platform for E-tongues in near future.

关键词： electronic tongue graphene microfluidic channels Na^(+)sensors solution-gated field-effect transistors

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Genome-Wide Analysis and Molecular Characterization of Heat Shock Transcription Factor Family in Glycine max

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Journal of Genetics and Genomics 2013年第3期40卷 127-135页

作者： Eunsook Chung Kyoung-Mi kim Jai-heon Lee BK21 Center for Silver-Bio Industrialization College of Natural Resources and Life Science Dong-A University

Heat shock transcription factors （Hsfs） play an essential role on the increased tolerance against heat stress by regulating the expression of heat-responsive genes. In this study, a genome-wide analysis was performed to identify all of the soybean （Glycine max） GmHsfgenes based on the latest soybean genome sequence. Chromosomal location, protein domain, motif organization, and phylogenetic relationships of 26 non-redundant GmHsf genes were analyzed compared with AtHsfs （Arabidopsis thaliana Hsfs）. According to their structural features, the predicted members were divided into the previously defined classes A-C, as described for AtHsfs. Transcript levels and subcellular localization of five GmHsfs responsive to abiotic stresses were analyzed by real-time RT-PCR. These results provide a fundamental clue for understanding the complexity of the soybean GmHsfgene family and cloning the functional genes in future studies.

关键词： Abiotic stress Arabidopsis thaliana Expression patterns Glycine max Heat shock transcription factor Phylogenetic analysis

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Asymmetry-aware load balancing for parallel applications in single-ISA multi-core systems

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Journal of Zhejiang University-Science C(Computers and Electronics) 2012年第6期13卷 413-427页

作者： Eunsung kim Hyeonsang EOM heon Y. YEOM School of Computer Science and Engineering Seoul National University Seoul 151-744 Korea

Contemporary operating systems for single-ISA (instruction set architecture) multi-core systems attempt to distribute tasks equally among all the CPUs. This approach works relatively well when there is no difference in CPU capability. However, there are cases in which CPU capability differs from one another. For instance, static capability asymmetry results from the advent of new asymmetric hardware, and dynamic capability asymmetry comes from the operating system (OS) outside noise caused from networking or I/O handling. These asymmetries can make it hard for the OS scheduler to evenly distribute the tasks, resulting in less efficient load balancing. In this paper, we propose a user-level load balancer for parallel applications, called the 'capability balancer', which recognizes the difference of CPU capability and makes subtasks share the entire CPU capability fairly. The balancer can coexist with the existing kernel-level load balancer without detrimenting the behavior of the kernel balancer. The capability balancer can fairly distribute CPU capability to tasks with very little overhead. For real workloads like the NAS Parallel Benchmark (NPB), we have accomplished speedups of up to 9.8% and 8.5% in dynamic and static asymmetries, respectively. We have also experienced speedups of 13.3% for dynamic asymmetry and 24.1% for static asymmetry in a competitive environment. The impacts of our task selection policies, FIFO (first in, first out) and cache, were compared. The use of the cache policy led to a speedup of 5.3% in overall execution time and a decrease of 4.7% in the overall cache miss count, compared with the FIFO policy, which is used by default.

关键词：调度程序负担平衡能力不对称现象 OS 噪音多核心

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Effects of foundation damage and water-level change on vibration modal parameters of gravity-type caisson structure

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Science China(Technological Sciences) 2015年第2期58卷 316-329页

作者： LEE So-Young kim Jeong-tae Department of Ocean Engineering Pukyong National University

In this paper,the effects of foundation damage and water-level change on vibration characteristics of gravity-type caisson structure are examined by analyzing modal parameters extracted from output-only *** achieve the objective,the following approaches are ***,vibration response analysis methods are selected to estimate power spectral density and modal parameters such as natural frequency,damping ratio and mode shape of a lab-scale caisson structural ***,vibration tests on the lab-scale caisson system are performed under a series of test scenarios which include three water-level changes and three damage ***,experimental modal parameters corresponding to the damaging cases as well as the water level cases are extracted by frequency domain decomposition method and stochastic subspace identification ***,the effects of the water-level variation and foundation damage on the extracted modal parameters are examined to assess the feasibility of the vibration-based damage detection in gravity-type caisson structures under water-level uncertainty.

关键词：振动模态参数水位变化沉箱结构重力式基础伤害实验室规模试验模态参数

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Quantification of Tc-99m-ethyl cysteinate dimer brain single photon emission computed tomography images using statistical probabilistic brain atlas in depressive end-stage renal disease patients:Correlation with disease severity and symptom factors

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Neural Regeneration Research 2012年第27期7卷 2151-2159页

作者： Heeyoung kim In Joo kim Seong-Jang kim Sang heon Song Kyoungjune Pak Keunyoung kim Department of Nuclear Medicine Pusan National University HospitalBusanRepublic of Korea Biomedical Research Institute Pusan NationalBusanRepublic of Korea Department of Internal Medicine Pusan National University HospitalBusanRepublic of Korea

This study adapted a statistical probabilistic anatomical map of the brain for single photon emission computed tomography images of depressive end-stage renal disease patients. This research aimed to investigate the relationship between symptom clusters, disease severity, and cerebral blood flow. Twenty-seven patients （16 males, 11 females） with stages 4 and 5 end-stage renal disease were enrolled, along with 25 healthy controls. All patients underwent depressive mood assessment and brain single photon emission computed tomography. The statistical probabilistic anatomical map images were used to calculate the brain single photon emission computed tomography counts. Asymmetric index was acquired and Pearson correlation analysis was performed to analyze the correlation between symptom factors, severity, and regional cerebral blood flow. The depression factors of the Hamilton Depression Rating Scale showed a negative correlation with cerebral blood flow in the left amygdale. The insomnia factor showed negative correlations with cerebral blood flow in the left amygdala, right superior frontal gyrus, right middle frontal gyrus, and left middle frontal gyrus. The anxiety factor showed a positive correlation with cerebral glucose metabolism in the cerebellar vermis and a negative correlation with cerebral glucose metabolism in the left globus pailidus, right inferior frontal gyrus, both temporal poles, and left parahippocampus. The overall depression severity （total scores of Hamilton Depression Rating Scale） was negatively correlated with the statistical probabilistic anatomical map results in the left amygdala and right inferior frontal gyrus. In conclusion, our results demonstrated that the disease severity and extent of cerebral blood flow quantified by a probabilistic brain atlas was related to various brain areas in terms of the overall severity and symptom factors in end-stage renal disease patients.

关键词： single photon emission computed tomography end-stage renal disease depression statisticalprobabilistic brain atlas disease severity cerebral blood flow symptom brain neural regeneration

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