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Frontiers in Energy 2020年第2期14卷 224-240页

作者： Yeo Beom YOON Byeongmo seo Brian Baewon KOH Soolyeon cho College of Design North Carolina State UniversityRaleighNC27695-7701USA Sun&Light Corp.Ltd41Seocho-daero 42-gilSeocho-guSeoulRepublic of Korea

Apartments account for over 60%of total residential buildings and consume a significant portion of primary energy in South *** energy efficiency measures have been implemented for both new apartment constructions and existing apartment *** apartment structures have poor thermal performances,resulting in a high energy *** South Korean government initiated retrofitting projects to improve the energy efficiency in old *** owners typically replace old windows with high-performance windows;however,there is still a demand for better and more innovative retrofit methods for a highly improved energy *** paper proposes an advanced double-skin façade(DSF)system to replace existing balcony windows in old *** the cold climate conditions of seoul,South Korea,it mainly discusses heating energy *** case models were developed:Base-Case with existing apartment,Case-1 with typical retrofitting,and Case-2 with the proposed DSF *** EnergyPlus simulation program was used to develop simulation models for a floor radiant heating system.A typical gas boiler was selected for low-temperature radiant system *** air flow network method was used to model the proposed DSF *** heating months,i.e.,November to March,and one representative day,i.e.,January 24,were selected for detailed *** main heat loss areas consist of windows,walls,and *** results reveal that the apartment with the DSF retrofit saves 38.8%on the annual heating energy compared to the Base-Case and 35.2%compared to Case-1.

关键词： double-skin façade retrofitting high-rise apartment heating energy building simulation

Dietary sophorolipid accelerates growth by modulation of gut microbiota population and intestinal environments in broiler chickens

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Journal of Animal Science and Biotechnology 2022年第1期13卷 256-264页

作者： Min-Jin Kwak Min-young Park Yong-Soon choi Junghwan cho Duleepa Pathiraja Jonggun Kim Hanbae Lee In-Geol choi Kwang-Youn Whang Department of Biotechnology Korea University145 Anam-roSeoul 02841Republic of Korea Pathway Intermediates Seoul 02841Republic of Korea

Background:Gut is a crucial organ for the host’s defense system due to its filtering action of the intestinal membrane from hazardous foreign *** strategy to strengthen the gut epithelial barrier function is to upregulate beneficial microflora populations and their ***(SPL),which is a glycolipid biosurfactant,could increase beneficial microflora and decrease pathogenic bacteria in the gastrointestinal ***,herein,we conducted an experiment with broiler chickens to investigate the fortifying effects of SPL on the host’s gut defense system by modulating the microbiota ***:A total of 5401-day-old chicks(Ross 308)were used,and they were immediately allotted into three treatment groups(6 replications with 30 chicks/pen)according to their initial body *** dietary treatments consisted of CON(basal diet),BAM(10 mg/kg bambermycin),and SPL(10 mg/kg SPL).During the experiment,birds freely accessed feed and water,and body weight and feed intake were measured at the end of each *** d 35,birds(one bird/pen)were sacrificed to collect jejunum and cecum ***:Dietary SPL and BAM supplementation significantly accelerated birds’growth and also significantly improved feed efficiency compared to *** microbial community was significantly separated by dietary SPL supplementation from that of CON,and dietary SPL supplementation significantly increased Lactobacillus *** Akkermansia ***,birds fed with dietary SPL also showed the highest concentration of cecal butyrate among all treatment *** morphological analysis showed that dietary SPL significantly increased villus height,ratio of villus height to crypt depth,goblet cell numbers,and the gene expression levels of claudin-1 and mucin ***,dietary SPL significantly decreased the mRNA expression level of pro-inflammatory cytokine,interleukin-6,and increased that of anti-inflammatory cytokine,interleukin-10,compared

关键词： Broilers Gut microbiota Gut morphology Local inflammation Mucus barrier Sophorolipids

Recovery of brachial plexus injury after bronchopleural fistula closure surgery based on electrodiagnostic study:A case report and review of literature

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World Journal of Clinical Cases 2022年第30期10卷 11090-11100页

作者： young-In Go Da-Sol Kim Gi-Wook Kim Yu Hui Won Sung-Hee Park Myoung-Hwan Ko Jeong-Hwan seo Department of Physical Medicine&Rehabilitation Jeonbuk National University Medical SchoolJeonju 54907South Korea Research Institute of Clinical Medicine of Jeonbuk National University Biomedical Research Institute of Jeonbuk National University HospitalJeonju 54907South Korea

BACKGROUND Axillary thoracotomy and muscle flap are muscle-and nerve-sparing methods among the surgical approaches to bronchopleural fistula(BPF).However,in patients who are vulnerable to a nerve compression injury,nerve injury may *** this report,we present a unique case in which the brachial plexus(division level),suprascapular,and long thoracic nerve injury occurred after BPF closure surgery in a patient with ankylosing spondylitis and concomitant multiple joint *** SUMMARY A 52-year-old man with a history of ankylosing spondylitis with shoulder joint contractures presented with right arm weakness and sensory impairment immediately after axillary thoracotomy and latissimus dorsi muscle flap surgery for BPF *** the surgery,the patient was positioned in a lateral decubitus position with the right arm hyper-abducted for approximately 6 *** resonance imaging and ultrasound revealed subclavius muscle injury or myositis with brachial plexus(BP)compression and related *** electrodiagnostic study confirmed the presence of BP injury involving the wholedivision level,long thoracic,and suprascapular nerve *** was treated with medication,physical therapy,and ultrasound-guided *** steroid injection at the BP,hydrodissection with 5%dextrose water at the BP and suprascapular nerve,and intra-articular steroid and hyaluronidase injection at the glenohumeral joint were *** postoperative day 194,the pain and arm weakness were resolved,and a follow-up electrodiagnostic study showed marked *** Clinicians should consider the possibilities of multiple nerve injuries in patients with joint contracture,and treat each specific therapeutic target.

关键词： Brachial plexus Electrodiagnosis Physical therapy Surgical flaps Thoracotomy Case report

Anesthetics management of a renal angiomyolipoma using pulse pressure variation and non-invasive cardiac output monitoring: A case report

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World Journal of Clinical Cases 2022年第24期10卷 8656-8661页

作者： Woo Jae Jeon Woo Jong Shin young Joon Yoon Chan Woo Park Jae Hang Shim Sang Yun cho Department of Anesthesiolgy and Pain Medicine Hanyang University Guri HospitalGuri-si 471-701Gyeonggi-doSouth Korea

BACKGROUND Hypovolemic shock can lead to life-threatening organ dysfunction,and adequate fluid administration is a fundamental ***,parameters such as vital signs,central venous pressure,and urine output have been used to estimate intravascular ***,pulse pressure variation(PPV)and non-invasive cardiac monitoring devices have been *** this case report,we introduce a patient with massive active bleeding from giant renal angiomyolipoma(AML).During emergent nephrectomy,we used non-invasive cardiac monitoring with CSN-1901(Nihon Kohden,Tokyo,Japan)and PPV to evaluate the patient's intravascular volume status to achieve optimal fluid *** SUMMARY A 30-year-old male patient with giant AML with active bleeding was referred to the emergency room complaining of severe abdominal pain and spontaneous abdominal *** was diagnosed by computed tomography,and emergent nephrectomy was *** bleeding was expected so we decided to use non-invasive cardiac monitoring and PPV to assist fluid therapy because they are relatively easy and fast compared to invasive cardiac *** the surgery,6000 mL of estimated blood loss *** with the patient's vital signs and laboratory results,we monitored cardiac output,cardiac output,stroke volume,stroke volume index with a non-invasive cardiac monitoring device,and PPV using an intra-arterial catheter to evaluate intravascular volume status of the patient to compensate for massive *** In addition to traditional parameters,non-invasive cardiac monitoring and PPV are useful methods to evaluate patient's intravascular volume status and provideguidance for intraoperative management of hypovolemic shock patients.

关键词： Renal angiomyolipoma Pulse pressure variation Cardiac output Case report

Anti-senescence and anti-wrinkle activities of 3-bromo-4,5-dihydroxybenzaldehyde from Polysiphonia morrowii Harvey in human dermal fibroblasts

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Asian Pacific Journal of Tropical Biomedicine 2021年第2期11卷 74-80页

作者： Su-Hyeon cho Eun-Yi Ko Soo-Jin Heo seo-young Kim Juhee Ahn Kil-Nam Kim Chuncheon Center Korea Basic Science InstituteChuncheon 24341Republic of Korea Bio research Center DermaproJeju 63309Republic of Korea Jeju Marine Research Center Korea Institute of Ocean Science&TechnologyJeju 63349Republic of Korea Department of Medical Biomaterials Engineering College of Biomedical SciencesKangwon National UniversityChuncheon 24341Republic of Korea

Objective:To investigate the anti-senescence effect of 3-bromo-4,5-dihydroxybenzaldehyde(BDB)from Polysiphonia morrowii Harvey in human dermal fibroblasts(HDF).Methods:HDF were subjected to treatment of BDB and then treated with hydrogen peroxide(H2O2)to induce premature ***-associatedβ-galactosidase(SA-β-gal)activity in HDF was determined using the SA-β-gal staining *** reactive oxygen species(ROS)production was measured using the 2’,7’-dichlorodihydrofluorescein diacetate *** blotting assay was performed to assess the level of antioxidant enzyme glutathione peroxidase 1(GPX1).In addition,intracellular collagen and collagenase contents were analyzed using the respective ELISA *** activity in HDF supernatants was measured from p-nitroaniline release and normalized using total protein ***:Treatment of HDF with H2O2 increased the activity of SA-β-gal,but BDB pre-treatment resulted in the reduction of SA-β-gal ***,BDB significantly reduced H2O2-induced intracellular ROS *** also markedly increased the level of GPX1,which was inhibited by 400μM of ***,in in vitro study,BDB significantly increased intracellular collagen content and decreased matrix metalloproteinase-1 and elastase activities in ***:Our results demonstrate that BDB shows antisenescence and anti-wrinkle activities in vitro.

关键词： Polysiphonia morrowii Harvey 3-bromo-4,5-dihydroxybenzaldehyde Oxidative stress Human dermal fibroblast Anti-senescence activity Anti-wrinkle activity

Stimbiotic supplementation modulated intestinal inflammatory response and improved broilers performance in an experimentally-induced necrotic enteritis infection model

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Journal of Animal Science and Biotechnology 2023年第1期14卷 322-338页

作者： Ji Hwan Lee Byongkon Lee Xavière Rousseau Gilson A.Gomes Han Jin Oh Yong Ju Kim Se Yeon Chang Jae Woo An young Bin Go Dong Cheol Song Hyun Ah cho Jin Ho cho Department of Animal Science Chungbuk National UniversityCheongju 28644South Korea. Cherrybro Co. Ltd.Jincheon‑Gun 27820South Korea. AB Vista MarlboroughWiltshireUK.

Background:Two experiments were conducted to establish an optimal NE challenge model and evaluate the efficacy of stimbiotic(STB)supplementation in necrotic enteritis(NE)challenged *** Exp.1,a total of 120 Arbor Acres(AA)broilers(45.0±0.21 g)were randomly assigned to 6 treatments in a 3×2 factorial *** treatments included non-challenge(0),×10 the recommended dose(×10)or×20 the recommended dose(×20)by the *** perfringens(CP)treatments were non-challenge(No)or 3 mL of 2.2×10^(7)CFU CP challenge(Yes).In Exp.2,a total of 72 AA broilers(40.17±0.27 g)were randomly assigned to 6 treatments in a 3×2 factorial *** treatments included non-additive(CON),100 mg/kg STB(STB)and 100 mg/kg STB on top of a typical commercial blend including an essential oil,probiotics,and enzyme(CB).Challenge treatments included non-NE challenge(No)and NE challenge(Yes)as established in ***:In Exp.1,CP and vaccine challenge decreased(Pchosen as the challenge model for the successful inducement of NE in *** Exp.2,the NE challenge negatively affected(P<0.01)growth performance,ileal morphology,immunoglobulin contents in blood,caecal microbiota in the caecum,footpad dermatitis,intestinal lesion scores,tumour necrosis factor(TNF-α)and endotoxin in the serum compared with the non-NE challenged *** supplementation of STB and CB in diets enhanced(P<0.05)growth performance,intestinal microbiota,and blood profiles by stimulating ileal morphology(VH and VH:CD)and propionate production in the cecum,and there were no differences in measured variables between STB and CB supplemented

关键词： Broiler chicken Clostridium perfringens Necrotic enteritis Xylanse Xylooligosaccharide

CONVERGENCE ANALYSIS OF A MONOTONE PROJECTION ALGORITHM IN REFLEXIVE BANACH SPACES

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Acta Mathematica Scientia 2017年第2期37卷 488-502页

作者：秦小龙 Sun young cho Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of China Department of Mathematics Gyeongsang National University

In this article, fixed points of generalized asymptotically quasi-Ф-nonexpansive mappings and equilibrium problems are investigated based on a monotone projection algo- rithm. Strong convergence theorems are establis... 详细信息

关键词： Asymptotically quasi-Ф-nonexpansive mapping Banach space equilibrium problem fixed point Generalized projection

Evaluation of ring surfaces with several coatings for friction,wear and scuffing life

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中国有色金属学会会刊：英文版 2009年第4期19卷 992-996页

作者： Dae-Hyun cho young-Ze LEE School of Mechanical Engineering Sungkyunkwan University

Friction and wear of the sliding components in an automobile cause an increase in both fuel consumption and *** engine components involved with sliding contact are all susceptible to scuffing failure at some points during their operating ***,it is important to evaluate the effects of various surface coatings on the tribological characteristics of the piston ring and cylinder block surface of a diesel *** and scuffing tests were conducted using a friction and wear measurement of the piston ring and cylinder block in a low friction diesel *** frictional forces,wear amounts and cycles to scuffing in the boundary lubricated sliding condition were measured using the reciprocating wear *** tester used a piece of the cylinder block as the reciprocating specimen and a segment of the piston ring material as the fixed *** coatings on the ring specimen were used,such as DLC,TiN,Cr-ceramic and TiAlN,in order to improve the tribological characteristics of the *** coefficients of friction were monitored during the tests,and the wear volumes of the piston ring surfaces with various coatings were *** results show that the DLC coating exhibits better tribological properties than the other *** graphite structure of this coating is responsible for the low friction and wear of the DLC *** TiN and DLC coatings show better scuffing resistance than the other *** TiN and Cr-ceramic coated rings show good wear resistance and high friction.

关键词：涂层表面摩擦评价生活划伤磨损

Efficacy and feasibility of gemcitabine and carboplatin as first-line chemotherapy in elderly patients with advanced non-small cell lung cancer

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Chinese Medical Journal 2013年第24期126卷 4644-4648页

作者： Kyu-Hyoung Lim Hui-young Lee seo-young Song Department of Internal Medicine Kangwon National UniversityHospital Kangwon National University School of Medicine 17-1Hyoja 3-dong Chuncheonsi Gangwon-do 200-947 South Korea

Background Although platinum-based chemotherapy is a standard first-line treatment in advanced non-small cell lung cancer （NSCLC）, further research for the safety and efficacy of combination chemotherapy in elderly patients has been required. The purpose of this study was to evaluate the efficacy and safety of gemcitabine and carboplatin as first-line treatment in elderly patients with advanced NSCLC and to evaluate the prognostic factors. Methods Eligibility included：（1） age of 70 years or more, （2） histologically confirmed NSCLC, （3） chemotherapy-na＇l＇ve, （4） advanced disease with stage IIIB or IV, （5） Eastern Cooperative Oncology Group （ECOG） performance status （PS） 0-2, （6） adequate organ function. Patients received intravenous carboplatin （area under curve （AUC）=5） on day 1 and gemcitabine （1000 mg/m2） on days 1 and 8, every 3 weeks. Results The medical records of forty patients were reviewed retrospectively. Median age was 73.9 years （range, 70- 84.6）, and there were 27 men （67.5%）. Thirty-seven patients （92.5%） had ECOG PS 0-1. Adenocarcinoma was found in 57.5%. Median cycles were administrated with 4.5 per person （range： 1-6）. Best responses were partial response in 22 （55.0%） patients and stable disease （SD）in 13 （32.5%）. The median progression free survival （PFS） and overall survival （OS） were 5.9 months （95% CI： 4.5-7.3 months） and 9.6 months （95% CI： 8.2-11.0 months）, respectively. Grade 4 hematologic toxicities for neutropenia （7.5%）, thrombocytopenia （7.5%） and anemia （5.0%） were observed. Histology was significant prognostic factor for PFS （P=0.024）. Conclusion Gemcitabine and carboplatin combination chemotherapy is an effective and manageable treatment option in elderly advanced NSCLC patients with good performance status.

关键词： gemcitabine carboplatin elderly, non-small cell lung cancer

Injectable polymeric nanoparticle hydrogel system for long-term anti-inflammatory effect to treat osteoarthritis

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Bioactive Materials 2022年第1期7卷 14-25页

作者： Bo-Bae seo youngjoong Kwon Jun Kim Ki Hyun Hong Sung-Eun Kim Hae-Ryong Song young-Min Kim Soo-Chang Song Center for Biomaterials Korea Institute of Science&TechnologySeoul02792South Korea Division of Bio-Medical Science and Technology KIST SchoolKorea University of Science and TechnologySeoul02792South Korea Department of Orthopedic Surgery and Rare Diseases Institute Korea University Medical College Guro HospitalSeoul08308South Korea

Treatment of osteoarthritis(OA)by administration of corticosteroids is a commonly used method in clinics using anti-inflammatory *** administration or intra-articular injection of corticosteroids can reduce the pain and progress of cartilage degeneration,but they are usually insufficient to show local and long-term anti-inflammatory effects because of their fast clearance in the *** this study,we suggest an injectable anti-OA drug depot system for sustained drug release that provides long-term effective therapeutic *** poly(organophosphazene),which has temperature-dependent nanoparticle forming and sol-gel transition behaviors when dissolved in aqueous solution,was synthesized for triamcinolone acetonide(TCA)*** hydrophobic parts of the polymer can interact with hydrophobic parts of the TCA,the TCA was encapsulated into the self-assembled polymeric *** TCA-encapsulated polymeric nanoparticles(TePNs)were well dispersed in an aqueous solution below room temperature so that they can be easily injected as a sol state into an intra-articular ***,the TePNs solution transforms immediately to a viscose 3D hydrogel like a synovial fluid in the intra-articular region via the conducted body *** in vitro TCA release study showed sustained TCA release for six ***-time injection of the TePN hydrogel system in an early stage of OA-induced rat model showed a great inhibition effect against further OA *** OA-induced knees completely recovered as a healthy cartilage without any abnormal symptoms.

关键词： Thermosensitive hydrogel Triamcinolone acetonide Polymer nanoparticle Osteoarthritis Sustained release