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surface-modified Ag@Ru-P25 for photocatalytic CO_(2) conversion with high selectivity over Ch_(4) formation at the solid–gas interface

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Carbon Energy 2024年第1期6卷 182-196页

作者： Chaitanya B.hiragond Sohag Biswas Niket SPowar Junho Lee Eunhee Gong hwapyong Kim hong Soo Kim Jin-Woo Jung Chang-hee cho Bryan M.Wong su-Il In Department of Energy Science&Engineering Daegu Gyeongbuk Institute of Science and Technology(DGIST)DaeguRepublic of Korea Department of Chemical&Environmental Engineering Materials Science&Engineering ProgramDepartment of ChemistryDepartment of Physics&AstronomyUniversity of California-RiversideRiversideCaliforniaUSA Department of Physics and Chemistry Daegu Gyeongbuk Institute of Science and Technology(DGIST)DaeguRepublic of Korea NiceScience Corporation DaeguRepublic of Korea

Systematic optimization of the photocatalyst and investigation of the role of each component is important to maximizing catalytic activity and comprehending the photocatalytic conversion of CO_(2) reduction to solar fuels.A surface-modified Ag@Ru-P25 photocatalyst with h_(2)O_(2) treatment was designed in this study to convert CO_(2) and h_(2)O vapor into highly selective *** doping followed by Ag nanoparticles(NPs)cocatalyst deposition on P25(TiO_(2))enhances visible light absorption and charge separation,whereas h_(2)O_(2) treatment modifies the surface of the photocatalyst with hydroxyl(–Oh)groups and promotes CO_(2) ***-resonance transmission electron microscopy,X-ray photoelectron spectroscopy,X-ray absorption near-edge structure,and extended X-ray absorption fine structure techniques were used to analyze the surface and chemical composition of the photocatalyst,while thermogravimetric analysis,CO_(2) adsorption isotherm,and temperature programmed desorption study were performed to examine the significance of h_(2)O_(2) treatment in increasing CO_(2) reduction *** optimized Ag1.0@Ru1.0-P25 photocatalyst performed excellent CO_(2) reduction activity into CO,Ch4,and C2h6 with a~95%selectivity of Ch4,where the activity was~135 times higher than that of pristine TiO_(2)(P25).For the first time,this work explored the effect of h_(2)O_(2) treatment on the photocatalyst that dramatically increases CO_(2) reduction activity.

关键词： gas-phase CO_(2) reduction h_(2)O_(2) treatment plasmonic nanoparticles solar fuel photocatalyst surface modification

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Capsosiphon fulvescens suppresses LPS-stimulated inflammatory responses by suppressing TLR4/NF-κB activation in RAW264.7 murine macrophages

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Asian Pacific Journal of Tropical Biomedicine 2024年第3期14卷 115-126页

作者： Seon Yeong Ji EunJin Bang hyun hwangbo Min Yeong Kim Da hye Kim su hyun hong Shin-hyung Park Chang-Young Kwon Gi-Young Kim You-Jin Jeon suengmok cho Yung hyun choi Department of Biochemistry Dong-eui University College of Korean MedicineBusan 47227Republic of Korea Basic Research Laboratory for the Regulation of Microplastic-Mediated Diseases and Anti-Aging Research Center Dong-eui UniversityBusan 47227Republic of Korea Department of Pathology Dong-eui University College of Korean MedicineBusan 47227Republic of Korea Department of Oriental Neuropsychiatry Dong-eui University College of Korean MedicineBusan 47227Republic of Korea Department of Marine Life Science Jeju National UniversityJeju 63243Republic of Korea Department of Food Science and Technology/Institute of Food Science Pukyong National UniversityBusan 48513Republic of Korea

Objective:To evaluate the effects of Capsosiphon fulvescens(***)ethanolic extract on inflammation in lipopolysaccharide(LPS)-induced RAW296.7 ***:The protective effects of *** ethanolic extract on LPS-induced inflammation in RAW264.7 macrophages were assessed using biochemical analysis,including enzyme-linked immunosorbent assay,quantitative reverse transcription-polymerase chain reaction,and Western blot *** examine reactive oxygen species(ROS)production,flow cytometry analysis,and immunofluorescence staining were ***,the modulatory effect of *** ethanolic extract on NF-κB activation was ***:*** ethanolic extract significantly attenuated LPS-induced levels of pro-inflammatory cytokines and notably reduced the secretion and mRNA levels of LPS-mediated matrix *** addition,*** ethanolic extract decreased ROS production and suppressed the TLR4/NF-κB signaling ***:*** ethanolic extract alleviates inflammation as well as oxidative stress by modulating the TLR4/NF-κB signaling in LPS-induced RAW264.7 *** can be used as a potential therapeutic agent to suppress inflammation and oxidative stress-associated diseases.

关键词： Capsosiphon fulvescens Inflammation Oxidative stress NF-κB Nrf2 TLR4

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Catalpa bignonioides extract improves exercise performance through regulation of growth and metabolism in skeletal muscles

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Asian Pacific Journal of Tropical Biomedicine 2024年第2期14卷 47-54页

作者： hoibin Jeong Dong-joo Lee sung-Pil Kwon SeonJu Park Song-Rae Kim Seung hyun Kim Jae-Il Park Deug-chan Lee Kyung-Min choi WonWoo Lee Ji-Won Park Bohyun Yun su-h.eon cho Kil-Nam Kim Seoul Center Korea Basic Science InstituteSeoul 02841Republic of Korea Chuncheon Center Korea Basic Science InstituteChuncheon 24341Republic of Korea Research&Development Center Chungdam CDC JNPharm LLC.Chuncheon 24341Republic of Korea Department of Biomedical Technology Kangwon National UniversityChuncheon 24341Republic of Korea Yonsei Institute of Pharmaceutical Sciences College of PharmacyYonsei UniversityIncheon 21983Republic of Korea Gwangju Center Korea Basic Science InstituteGwangju 61751Republic of Korea honam National Institute of Biological Resources 99Gohadoan-gilMokpo-siJeollanam-do58762Republic of Korea Department of Bio-analysis Science University of Science&TechnologyDaejeon34113Republic of Korea

Objective:To evaluate the effects of Catalpa bignonioides fruit extract on the promotion of muscle growth and muscular capacity in vitro and in ***:Cell viability was measured using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide *** proliferation was assessed using a 5-bromo-2’-deoxyuridine(BrdU)assay *** blot analysis was performed to determine the protein expressions of related *** effects of Catalpa bignonioides extract were investigated in mice using the treadmill exhaustion test and whole-limb grip strength *** composition analysis was performed using high-performance liquid chromatography(hPLC).Results:Catalpa bignonioides extract increased the proliferation of C2C12 mouse myoblasts by activating the Akt/mTOR signaling *** also induced metabolic changes,increasing the number of mitochondria and glucose metabolism by phosphorylating adenosine monophosphate-activated protein *** an in vivo study,the extract-treated mice showed improved motor abilities,such as muscular endurance and grip ***,hPLC analysis showed that vanillic acid may be the main component of the Catalpa bignonioides extract that enhanced muscle ***:Catalpa bignonioides improves exercise performance through regulation of growth and metabolism in skeletal muscles,suggesting its potential as an effective natural agent for improving muscular strength.

关键词： Catalpa bignonioides Skeletal muscle Cell proliferation Mitochondria Energy metabolism C2C12

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Repeated ventricular bigeminy by trigeminocardiac reflex despite atropine administration during superficial upper lip surgery: A case report

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World Journal of Clinical Cases 2022年第32期10卷 11967-11973页

作者： su-Yeon cho Bo-hyun Jang hye-Jin Jeon Dong-Joon Kim Department of Anesthesiology and Pain Medicine Chosun University HospitalGwangju 61453South Korea

BACKGROUND The trigeminocardiac reflex(TCR)is usually caused by an increased parasympathetic tone when pressure or traction is applied to the surrounding tissue of the trigeminal ***,the inexperienced anesthesiologists may have challenges on the management of TCR *** suMMARY This is the case of an 18-year-old woman diagnosed with hemangioma of the upper *** the operation,about 1 h after surgery started,a constant 1:1 premature ventricular complex was detected,and blood pressure was decreased when approaching the deeper part with more strong traction for exposure of the *** the management of arrhythmias,such as lidocaine and atropine,was injected,arrhythmia induced by surgical stimulation could not be eliminated *** the traction repeated,bradycardia was also repeated,despite injecting additional ***,the anesthesiologist and the surgeon decided to perform the operation only to the extent that the vascular tissue was selectively removed only at the site without the *** With TCR,anesthesiologists should perform appropriate *** addition to proper drug administration,surgeons should be consulted to cope with stopping the surgery and setting the scope of the surgery even if the site is superficial.

关键词： Trigeminocardiac reflex Bigeminy Arrhythmia hypotension Atropine Case report

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Acute respiratory distress syndrome and severe pneumonitis after atezolizumab plus bevacizumab for hepatocellular carcinoma treatment:A case report

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World Journal of Gastrointestinal Oncology 2023年第5期15卷 892-901页

作者： su h.eon cho Ga Ram You Chan Park Sang-Geon cho Jong Eun Lee sung Kyu choi sung Bum cho Jae hyun Yoon Department of Gastroenterology and hepatology Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Gastroenterology and hepatology Hwasun Chonnam National University Hospital and Medical SchoolHwasun 58128South Korea Department of Radiology Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Nuclear Medicine Chonnam National University HospitalHwasun 58128South Korea

BACKGROUND hepatocellular carcinoma(hCC)is one of the most common cancers worldwide and has a high ***,the treatment options for advanced hCC are limited to tyrosine kinase inhibitors,such as sorafenib and *** previous regimens have an insufficient efficacy,the combination therapy of atezolizumab and bevacizumab(Ate/Bev)has been investigated,which showed an improvement in progression-free and overall ***,the adverse events of this combination therapy in advanced hCC have not been ***,we report a novel case of an unresectable hCC and acute respiratory distress syndrome(ARDS)after a combination therapy of Ate/*** suMMARY An 82-year-old male visited our outpatient clinic for an incidentally detected liver *** magnetic resonance imaging and enhanced chest computed tomography(CT)were performed,which showed arterial hyperenhancement with washout in delayed phase suggesting hCC,and a well-defined metastatic solid nodule,respectively.F-18 fluorodeoxyglucose positron emission tomography(PET)-CT exhibited multiple hypermetabolic lesions in the iliac bone,lumbar vertebrae,and *** of the high burden of the intrahepatic tumor,transarterial radioembolization was initially performed;after 37 d,a combination therapy of Ate/Bev was *** patient visited the emergency department three days after Ate/Bev treatment complaining of *** was diagnosed with severe pneumonitis based on *** administering oxygen via a high-flow nasal cannula,the P/F ratio was only 74;therefore,the patient was diagnosed with ARDS based on the overall examination *** tidal volume with high positive end-expiratory pressure,sedative agents combined with a neuromuscular blocker,and a systemic steroid were promptly applied to manage the ***,the patient did not recover from the hypoxia and expired 31 h after being *** Clinicians should be aware of severe pneumonitis due to the immune-

关键词： hepatocellular carcinoma Systemic therapy Adverse events Pneumonitis Atezolizumab Acute respiratory distress syndrome

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Three-dimensional kagome structures in a PCL/hA-based hydrogel scaffold to lead slow BMP-2 release for effective bone regeneration

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Bio-Design and Manufacturing 2023年第1期6卷 12-25页

作者： Se-hwan Lee Kang-Gon Lee Jaeyeon Lee Yong Sang cho Min-Soo Ghim Soojin Kim su-Jin heo Yongdoo Park Young-Sam cho Bu-Kyu Lee McKay Orthopaedic Research Laboratory Department of Orthopaedic SurgeryPerelman School of MedicineUniversity of Pennsylvania36th Street and Hamilton WalkPhiladelphiaPA 19104USA Department of Biomedical Sciences College of MedicineKorea University73Goryeodae-roSeongbuk-guSeoul 02841Republic of Korea Medical Device Development Center Daegu-Gyeongbuk Medical Innovation Foundation(K-MEDI hub)80Cheombok-roDong-guDaegu 41061Republic of Korea Department of Mechanical Engineering College of EngineeringWonkwang University460Iksan-daeroIksan 54538Republic of Korea Biomedical Engineering Research Center Asan Institute for Life SciencesAsan Medical Center88Olympic-roSongpa-guSeoul 05505Republic of Korea Department of Mechanical Design Engineering College of EngineeringWonkwang University460Iksan-daeroIksan 54538Republic of Korea MEChABIO Group Wonkwang University460Iksan-daeroIksan 54538Republic of Korea Department of Oral and Maxillofacial surgery Asan Institute for Life SciencesAsan Medical Center88Olympic-roSongpa-guSeoul 05505Republic of Korea

Osteoconductive function is remarkably low in bone disease in the absence of bone tissue surrounding the grafting site,or if the bone tissue is in poor ***,an effective bone graft in terms of both osteoconductivity and osteoinductivity is required for clinical ***,the three-dimensional(3D)kagome structure has been shown to be advantageous for bone tissue regeneration due to its mechanical *** this study,a polycaprolactone(PCL)kagome-structure scaffold containing a hyaluronic acid(hA)-based hydrogel was fabricated using a 3D printing *** retention capacity of the hydrogel in the scaffold was assessed in vivo with a rat calvaria subcutaneous model for 3 weeks,and the results were compared with those obtained with conventional 3D-printed PCL grid-structure scaffolds containing hA-based hydrogel and bulk-type hA-based *** retained hydrogel in the kagome-structure scaffold was further evaluated by in vivo imaging system *** further reinforce the osteoinductivity of the kagome-structure scaffold,a PCL kagome-structure scaffold with bone morphogenetic protein-2(BMP-2)containing hA hydrogel was fabricated and implanted in a calvarial defect model of rabbits for 16 *** bone regeneration characteristics were evaluated with hematoxylin and eosin(h&E),Masson’s trichrome staining,and micro-CT image analysis.

关键词： Kagome-structure scaffold Retention capacity Biomimetic hydrogel Bone morphogenetic protein-2(BMP-2)

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Effect of solid-solution strengthening on deformation mechanisms and strain hardening in medium-entropy V_(1-x)Cr_(x)CoNi alloys

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Journal of Materials Science & Technology 2022年第13期108卷 270-280页

作者： hyun Chung Dae Woong Kim Woo Jin cho heung Nam han Yuji Ikeda Shoji Ishibashi Fritz Körmann Seok su Sohn Department of Materials Science and Engineering Korea UniversitySeoul 02841South Korea Center for high Entropy Alloys Pohang University of Science and TechnologyPohang 37673South Korea Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National UniversitySeoul 08826South Korea Institute for Materials Science University of StuttgartPfaffenwaldring 55Stuttgart 70569Germany Computational Materials Design Max-Planck-Institut für Eisenforschung GmbHMax-Planck-Strabe 1Düsseldorf 40237Germany Research Center for Computational Design of Advanced Functional Materials(CD-Fmat) National Institute of Advanced Industrial Science and Technology(AIST)TsukubaIbaraki 305-8568Japan Department of Materials Science and Engineering Delft University of TechnologyMekelweg2Delft 2628 CDthe Netherlands

high-and medium-entropy alloys(hEAs and MEAs)possess high solid-solution *** investigations have been conducted on its impact on yield strength,however,there are limited reports regarding the relation between solid-solution strengthening and strain-hardening *** addition,no attempt has been made to account for the dislocation-mediated plasticity;most works focused on twinning-or transformation-induced plasticity(TWIP or TRIP).In this work we reveal the role of solidsolution strengthening on the strain-hardening rate via systematically investigating evolutions of deformation structures by controlling the Cr/V ratio in prototypical V_(1-x)Cr_(x)CoNi *** the TWIP of CrCoNi with the dislocation slip of V_(0.4)Cr_(0.6)CoNi,the hardening rate of CrCoNi was superior to slip-band refinements of V_(0.4)Cr_(0.6)CoNi due to the dynamic hall-Petch ***,as V content increased further to V_(0.7)Cr_(0.3)CoNi and VCoNi,their rate of slip-band refinement in V_(0.7)Cr_(0.3)CoNi and VCoNi with high solid-solution strength surpassed that of *** it is generally accepted in conventional alloys that deformation twinning results in a higher strain-hardening rate than dislocation-mediated plasticity,we observed that the latter can be predominant in the former under an activated huge solid-solution strengthening *** high solid-solution strength lowered the cross-slip activation and consequently retarded the dislocation rearrangement rate,i.e.,the dynamic *** delay in the hardening rate decrease,therefore,increased the strain-hardening rate,results in an overall higher strain-hardening rate of V-rich alloys.

关键词： Medium-entropy alloy Tensile property Solid-solution strength Strain-hardening rate Stacking fault energy

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SYNCRIP controls miR-137 and striatal learning in animal models of methamphetamine abstinence

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Acta Pharmaceutica Sinica B 2022年第8期12卷 3281-3297页

作者： Baeksun Kim sung hyun Tag Eunjoo Nam suji ham sujin Ahn Juhwan Kim Doo-Wan cho Sangjoon Lee Young-su Yang Seung Eun Lee Yong Sik Kim Il-Joo cho Kwang Pyo Kim su-Cheol han heh-In Im Convergence Research Center for Diagnosis Treatment and Care System of Dementia(DTC)Korea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea Division of Bio-Medical Science&Technology KIST SchoolKorea University of Science and Technology(UST)Seoul 02792Republic of Korea Center for Neuroscience KISTSeoul 02792Republic of Korea Animal Model Research Center Jeonbuk Department of Inhalation ResearchKorea Institute of Toxicology(KIT)Korea Research Institute of Chemical Technology(KRICT)Jeongeup 56212Republic of Korea Research Animal Resource Center KISTSeoul 02792Republic of Korea Department of Pharmacology Seoul National University College of MedicineSeoul 03080Republic of Korea Center for BioMicrosystems KISTSeoul 02792Republic of Korea Department of Applied Chemistry Kyung Hee UniversityGyeonggi-do 17104Republic of Korea

Abstinence from prolonged psychostimulant use prompts stimulant withdrawal *** adaptations within the dorsal striatum have been considered the main hallmark of stimulant abstinence. here we explored striatal miRNA-target interaction and its impact on circulating miRNA marker as well as behavioral dysfunctions in methamphetamine(MA) abstinence. We conducted miRNA sequencing and profiling in the nonhuman primate model of MA abstinence, followed by miRNA qPCR,LC-MS/MS proteomics, immunoassays, and behavior tests in mice. In nonhuman primates, MA abstinence triggered a lasting upregulation of miR-137 in the dorsal striatum but a simultaneous downregulation of circulating miR-137. In mice, aberrant increase in striatal miR-137-dependent inhibition of SYNCRIP essentially mediated the MA abstinence-induced reduction of circulating miR-137. Pathway modeling through experimental deduction illustrated that the MA abstinence-mediated downregulation of circulating miR-137 was caused by reduction of SYNCRIP-dependent miRNA sorting into the exosomes in the dorsal striatum. Furthermore, diminished SYNCRIP in the dorsal striatum was necessary for MA abstinence-induced behavioral bias towards egocentric spatial learning. Taken together, our data revealed circulating miR-137 as a potential blood-based marker that could reflect MA abstinence-dependent changes in striatal miR-137/SYNCRIP axis, and striatal SYNCRIP as a potential therapeutic target for striatum-associated cognitive dysfunction by MA withdrawal syndrome.

关键词： Methamphetamine Abstinence Withdrawal Striatum miR-137 SYNCRIP Biomarker Behavior

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Electrodeposited copper oxides with a suppressed interfacial amorphous phase using mixed-crystalline ITO and their enhanced photoelectrochemical performances

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Journal of Energy Chemistry 2023年第7期82卷 277-286,I0007页

作者： Ji hoon choi hae-Jun Seok Dongchul sung Dong su Kim hak h.eon Lee suklyun hong han-Ki Kim hyung Koun cho School of Advanced Materials Science and Engineering Sungkyunkwan University2066Seobu-roJangan-guSuwon-siGyeonggi-do 16419Republic of Korea Department of Physics Graphene Research Instituteand GRI-TPC International Research CenterSejong UniversitySeoul 05006Republic of Korea

The effectiveness of photoelectrochemical(PEC)water splitting is significantly restricted by insufficient light harvesting,rapid charge recombination,and slow water reduction *** the presence of amorphous phases in the interfaces hinders the overcome of these inherent limitations,a photoelectrode must be built ***,we artificially controlled the crystallographic orientation of indium tin oxide(ITO)to determine the orientation with the smallest lattice mismatch at the Cu_(2)O interface,thus significantly reducing the amorphous phase in the early stage of electrodeposition ***[222]/[400]mixed orientation ITO primarily exposed the{400}surface planes and accelerated charge transfer by forming an optimal interface with preferentially grown(111)oriented Cu_(2)O and minimized amorphous *** addition,the ITO surface energy was calculated using density functional theory to theoretically verify which plane is more active for growing the photoactivation *** rationally designed ITO/Cu_(2)O/Al-dope Zn O/TiO_(2)/Rh-P device,with each layer serving a specific purpose,achieved a photocurrent density of 8.23 mA cm^(-2)at 0 VRhEunder AM 1.5 G illumination,providing a standard method for effective solar-to-hydrogen conversion photocathodes.

关键词： Photoelectrochemical water splitting Cu_(2)O ITO hydrogen surface energy DFT

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FEATURE NETWORK-DRIVEN QUADRANT MAPPING FOR suMMARIZING CUSTOMER REVIEWS

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Journal of Systems Science and Systems Engineering 2017年第5期26卷 646-664页

作者： su Gon cho Seoung Bum Kim LINA KOREA Sambong-ro Jongro-gu Seoul Republic of Korea School of Industrial Management Engineering Korea University Anam-dong Seongbuk-gu Republic of Korea

With the rapid growth of e-commerce, customers increasingly write online reviews of the product they purchase. These customer reviews are one of the most valuable sources of information affecting selection of products or services. summarizing these customer reviews is becoming an interesting area of research, inspiring researchers to develop a more condensed, concise summarization for users. however, most of the current efforts at summarization are based on general product features without feature＇s relationship. As a result, these summaries either ignore feedback from customers or do a poor job of reflecting the opinions expressed in customer reviews. To remedy this summarization shortcoming, we propose a feature network-driven quadrant mapping that captures and incorporates opinions from customer reviews. Our focus is on construction of a feature network, which is based on co-occurrence and sematic similarities, and a quadrant display showing the opinions polarity of feature groups. Moreover, the proposed approach involves clustering similar product features, and thus, it is different from standard text summarization based on abstraction and extraction. The summarized results can help customers better understand the overall opinions about a product.

关键词： Customer review text summarization text mining feature network visualization

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