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Crystallographically vacancy‐induced MOF nanosheet as rational single‐atom support for accelerating CO_(2)electroreduction to CO

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Carbon Energy 2024年第8期6卷 49-62页

作者： Jin Hyuk Cho Joonhee Ma Chaehyeon lee Jin Wook Lim Youngho Kim Ho yeon Jang Jaehyun Kim Myung‐gi Seo Youngheon Choi Youn Jeong Jang Sang Hyun Ahn Ho won Jang Seoin Back Jong‐Lam lee Soo Young Kim Department of Materials Science and Engineering Korea UniversitySeoulRepublic of Korea Department of Chemical and Biomolecular Engineering Sogang UniversitySeoulRepublic of Korea Department of Materials Science and Engineering Pohang University of Science and Technology(POSTECH)PohangRepublic of Korea Department of Materials Science and Engineering Research Institute of Advanced MaterialsSeoul National UniversitySeoulRepublic of Korea Lotte Chemical R&D Center DaejeonRepublic of Korea Department of Chemical Engineering Hanyang UniversitySeoulRepublic of Korea School of Chemical Engineering and Material Science Chung‐Ang UniversitySeoulRepublic of Korea

To attain a circular carbon economy and resolve CO_(2)electroreduction technology obstacles,single‐atom catalysts(SACs)have emerged as a logical option for electrocatalysis because of their extraordinary catalytic *** SACs,metal–organic frameworks(MOFs)have been recognized as promising support materials because of their exceptional ability to prevent metal *** study shows that atomically dispersed Ni single atoms on a precisely engineered MOF nanosheet display a high Faradaic efficiency of approximately 100%for CO formation in H‐cell and three‐compartment microfluidic flow‐cell reactors and an excellent turnover frequency of 23,699 h−1,validating their intrinsic catalytic *** results suggest that crystallographic variations affect the abundant vacancy sites on the MOF nanosheets,which are linked to the evaporation of Zn‐containing organic linkers during ***,using X‐ray absorption spectroscopy and density functional theory calculations,a comprehensive investigation of the unsaturated atomic coordination environments and the underlying mechanism involving CO^(*)preadsorbed sites as initial states was possible and provided valuable insights.

关键词： 2‐dimensional material carbon dioxide reduction metal-organic frameworks single‐atom catalysts vacancy sites

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Structural and electrochemical stabilization enabling high-energy P3-type Cr-based layered oxide cathode for K-ion batteries

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Carbon Energy 2024年第5期6卷 81-93页

作者： wonseok Ko Seokjin lee Hyunyoung Park Jungmin Kang Jinho Ahn Yongseok lee Gwangeon Oh Jung-Keun Yoo Jang-yeon Hwang Jongsoon Kim Department of Energy Science Sungkyunkwan UniversitySuwonRepublic of Korea SKKU Institute of Energy Science and Technology(SIEST) Sungkyunkwan UniversitySuwonRepublic of Korea Department of Energy Engineering Hanyang UniversitySeoulRepublic of Korea Carbon Composites Department Korea Institute of Materials Science(KIMS)ChangwonRepublic of Korea Department of Battery Engineering Hanyang UniversitySeoulRepublic of Korea

Layered-type transition metal(TM)oxides are considered as one of the most promising cathodes for K-ion batteries because of the large theoretical gravimetric capacity by low molar ***,they suffer from severe structural change by de/intercalation and diffusion of K^(+)ions with large ionic size,which results in not only much lower reversible capacity than the theoretical capacity but also poor power ***,it is important to enhance the structural stability of the layered-type TM oxides for outstanding electrochemical behaviors under the K-ion battery ***,it is investigated that the substitution of the appropriate Ti^(4+)contents enables a highly enlarged reversible capacity of P3-type KxCrO_(2) using combined studies of first-principles calculation and various *** the pristine P3-type KxCrO_(2) just exhibits the reversible capacity of∼120 mAh g^(−1) in the voltage range of 1.5-4.0 V(vs.K^(+)/K),the∼0.61 mol K^(+)corresponding to∼150 mAh g^(−1) can be reversible de/intercalated at the structure of P3-type K0.71[Cr_(0.75)Ti_(0.25)]O_(2) under the same ***,even at the high current density of 788 mA g^(−1),the specific capacity of P3-type K0.71[Cr_(0.75)Ti_(0.25)]O_(2) is∼120 mAh g^(−1),which is∼81 times larger than that of the pristine P3-type KxCrO_(2).It is believed that this research can provide an effective strategy to improve the electrochemical performances of the cathode materials suffered by severe structural change that occurred during charge/discharge under not only K-ion battery system but also other rechargeable battery systems.

关键词： cathodes first-principles calculations layered-type oxide materials potassium-ion batteries structural stabilization

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A dose-dependent bimodal switch by homologous Aux/IAA transcriptional repressors

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Molecular Plant 2024年第9期17卷 1407-1422页

作者： Hyung-Taeg Cho Minsu lee Hee-Seung Choi Kwang-Ho Maeng Kyeonghoon lee Ha-yeon lee Anindya Ganguly Hoonyoung Park Chang-Hoi Ho Department of Biological Sciences Seoul National UniversitySeoulKorea School of Earth and Environmental Sciences Seoul National UniversitySeoulKorea Department of Climate and Energy Systems Engineering Ewha Womans UniversitySeoulKorea

Combinatorial interactions between different regulators diversify and enrich the chance of transcriptional regulation in eukaryotic ***,a dose-dependent functional switch of homologous transcriptional repressors has rarely been ***,we show that SHY2,an auxin/indole-3-acetic acid(Aux/IAA)repressor,exhibits a dose-dependent bimodal role in auxin-sensitive root-hair growth and gene transcrip-tion in Arabidopsis,whereas other Aux/lAA homologs consistently repress the auxin *** co-repressor(TOPLESS[TPL])-binding affinity of a bimodal Aux/IAA was lower than that of a consistently re-pressing Aux/*** switch of a single amino acid residue in the TPL-binding motif between the bimodal form and the consistently repressing form switched their TPL-binding affinity and transcriptional and bio-logical roles in auxin *** on these data,we propose a model whereby competition between homologous repressors with different co-repressor-binding affinities could generate a bimodal output at thetranscriptional anddevelopmental levels.

关键词： auxin Aux/IAA dose-dependent regulation root hair transcription TOPLESS(TPL)

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Heterostructured nickel-cobalt metal alloy and metal oxide nanoparticles as a polysulfide mediator for stable lithium-sulfur full batteries with lean electrolyte

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Carbon Energy 2024年第7期6卷 163-177页

作者： Hyeona Park Suyeong lee Hyerim Kim Hyunyoung Park Hun Kim Jongsoon Kim Marco Agostini Yang-Kook Sun Jang-yeon Hwang Department of Energy Engineering Hanyang UniversitySeoulRepublic of Korea LG Energy Solution LtdCTOLG Science ParkSeoulRepublic of Korea Department of Energy Science Sungkyunkwan UniversitySuwonRepublic of Korea SKKU Institute of Energy Science and Technology(SIEST) Sungkyunkwan UniversitySuwonRepublic of Korea Dipartimento di Chimica e Tecnologia del Farmaco Universitàdi Roma La SapienzaRomaItaly Department of Battery Engineering Hanyang UniversitySeoulRepublic of Korea

Batteries that utilize low-cost elemental sulfur and light metallic lithium as electrodes have great potential in achieving high energy ***,building a lithium-sulfur(Li-S)full battery by controlling the electrolyte volume generally produces low practical energy because of the limited electrochemical Li-S ***,the high energy/high performance of a Li-S full battery with practical sulfur loading and minimum electrolyte volume is reported.A unique hybrid architecture configured with Ni-Co metal alloy(NiCo)and metal oxide(NiCoO_(2))nanoparticles heterogeneously anchored in carbon nanotube-embedded selfstanding carbon matrix is fabricated as a host for *** work demonstrates the considerable improvement that the hybrid structure's high conductivity and satisfactory porosity promote the transport of electrons and lithium ions in Li-S *** experimental and theoretical validations,the function of NiCo and NiCoO_(2) nanoparticles as an efficient polysulfide mediator is *** particles afford polysulfide anchoring and catalytic sites for Li-S redox reaction,thus improving the redox conversion *** at high sulfur loading,the nanostructured Ni-Co metal alloy and metal oxide enable to have stable cycling performance under lean electrolyte conditions both in half-cell and full-cell batteries using a graphite anode.

关键词： full cell high energy lean electrolyte Li-S batteries polysulfide mediator

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Mixed-dimensional stacked nanocomposite structures for a specific wavelength-selectable ambipolar photoresponse

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Nano Research 2024年第6期17卷 5549-5558页

作者： Young Jae Park Jaeho Shim Joo Song lee Kyu Seung lee Ji-yeon Kim Kang Bok Ko Sang-Youp Yim Seongjun Kim Hoon-Kyu Shin Donghee Park Yong Ju Yun Dong Ick Son Institute of Advanced Composite Materials Korea Institute of Science and TechnologyJeollabuk-do 55324Republic of Korea National Institute for Nanomaterials Technology Pohang University of Science and TechnologyGyeongsangbuk-do 37673Republic of Korea Department of Semiconductor Science and Technology Semiconductor Physics Research CenterJeonbuk National UniversityJeonju 54896Republic of Korea Advanced Photonics Research Institute Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Center for Opto-Electronic Materials and Devices Post-Silicon Semiconductor InstituteKorea Institute of Science and TechnologySeoul 02792Republic of Korea Graduate School of Energy and Environment(KU-KIST Green School) Korea UniversitySeoul 02841Republic of Korea KIST School Department of Nanomaterials and Nano ScienceUniversity of Science and Technology(UST)Daejeon 34113Republic of Korea

Mixed-dimensional composite structures using zero-dimensional(0D)quantum dots(QDs)and two-dimensional(2D)transition metal dichalcogenides(TMDs)materials are expected to attract great interest in optoelectronics due to the potential to generate new optical ***,we report on the unique optical characteristics of a devices with mixed dimensional vertically stacked structures based on tungsten diselenide(WSe_(2))/CdSeS QDs monolayer/molybdenum disulfide(MoS_(2))(2D/0D/2D).Specifically,it exhibits an ambipolar photoresponse characteristic,with a negative photoresponse observed in the 400-600 nm wavelength range and a positive photoresponse appeared at 700 nm *** resulted in the high negative responsivity of up to 52.22 mA·W^(−1)under 400 nm,which is 163 times higher than that of the photodetector without CdSeS *** also demonstrated the negative photoresponse,which could be due to increased carrier collision probability and non-radiative *** modeling and simulation reveal that Auger recombination among the types of non-radiative recombination is the main cause of negative photocurrent ***,we discovered ambipolar photoresponse near a specific wavelength corresponding to the energy of quantum *** study revealed interesting phenomenon in the mixed low-dimensional stacked structure and paved the way to exploit it for the development of innovative photodetection materials as well as for optoelectronic applications.

关键词： mixed-dimension quantum dot heterostructure photodetector ambipolar photoresponse

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Production of chitosan-based composite film reinforced with lignin-rich lignocellulose nanofibers from rice husk

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Journal of Bioresources and Bioproducts 2024年第2期9卷 174-184页

作者： Hye Jee Kang yeon Ju lee Jin Kyoung lee Irnia Nurika Sri Suhartini Deokyeong Choe Dong Hyun Kim Hoon Choi Natasha P.Murphy Ho Yong Kim Young Hoon Jung School of Food Science and Biotechnology Kyungpook National UniversityDaegu 41566Republic of Korea CPR S&T Co. Ltd.Gunpo 15880Republic of Korea Department of Agroindustrial Technology Faculty of Agricultural TechnologyUniversitas BrawijayaMalang 65145Indonesia Renewable Resources and Enabling Sciences Center National Renewable Energy LaboratoryGoldenCO 80401United States Center for Bio-based Chemistry Korea Research Institute of Chemical TechnologyUlsan 44429Republic of Korea

Lignocellulosic nanofibers(LCNFs),implying lignin-containing cellulose fibers,maintain the prop-erties of both lignin and cellulose,which are hydrophobic and hydrophilic,*** pres-ence of hydrophobic lignin in LCNFs is expected to be an economical and attractive option that can improve the thermal and mechanical properties of ***,this study was conducted to produce lignin-rich LCNFs from sugar-rich waste obtained from rice husks after acidic *** LCNFs were produced from the lignin-rich solid fractions obtained after pretreatment and enzymatic hydrolysis,which were then incorporated as an additive into a chitosan-based *** variations in lignin content in the range of approximately 50.6%-66.8%in differently obtained LCNFs gave significantly different optical strengths and mechanical *** controllable processes may allow for customized film ***,the glucose-rich liquid fractions obtained after pretreatment and enzymatic hydrolysis were used as a substrate for ethanol fermentation to achieve total utilization of rice husk biomass *** conclusion,the lignin-rich biomass fraction holds promise as a suitable material for chitosan-LCNF film and has the potential to increase the economic feasibility of the biomaterial industry.

关键词： Rice husk Lignocellulose nanofiber Lignin-based material Chitosan film Upcycling

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Effect of atractylenolide Ⅲ on zearalenone-induced Snail1-mediated epithelial–mesenchymal transition in porcine intestinal epithelium

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Journal of Animal Science and Biotechnology 2024年第5期15卷 2081-2092页

作者： Na yeon Kim Myoung Ok Kim Sangsu Shin Woo‑Sung Kwon Bomi Kim Joon Yeop lee Sang In lee Department of Animal Science and Biotechnology Kyungpook National UniversitySangjuGyeong‑sangbuk‑do37224Republic of Korea Research Institute for Innovative Animal Science Kyungpook National UniversitySangjuGyeongsangbuk‑do 37224Republic of Korea National Institute for Korean Medicine Development Gyeongsan 38540Republic of Korea

Background The intestinal epithelium performs essential physiological functions,such as nutrient absorption,and acts as a barrier to prevent the entry of harmful *** are prevalent contaminants found in ani-mal feed that exert harmful effects on the health of ***(ZEA)is produced by the Fusarium genus and induces gastrointestinal dysfunction and disrupts the health and immune system of ***,we evaluated the molecular mechanisms that regulate the effects of ZEA on the porcine intestinal *** Treatment of IPEC-J2 cells with ZEA decreased the expression of E-cadherin and increased the expression of Snai1 and Vimentin,which induced Snail1-mediated epithelial-to-mesenchymal transition(EMT).In addition,ZEA induces Snail-mediated EMT through the activation of TGF-β*** treatment of IPEC-J2 cells with atractyle-nolideⅢ,which were exposed to ZEA,alleviated *** Our findings provide insights into the molecular mechanisms of ZEA toxicity in porcine intestinal epi-thelial cells and ways to mitigate it.

关键词： Atractylenolide III Epithelial–mesenchymal transition IPEC-J2 cells Snail TGF-beta signaling Zearalenone

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Comparative associations of non-alcoholic fatty liver disease and metabolic dysfunction-associated steatotic liver disease with risk of incident chronic kidney disease:a cohort study

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Hepatobiliary Surgery and Nutrition 2024年第5期13卷 801-813,I0003-I0005页

作者： Ji Hye Heo Mi yeon lee Seong Hwan Kim Ming-Hua Zheng Christopher D.Byrne Giovanni Targher Ki-Chul Sung Department of Internal Medicine Hallym University College of MedicineChuncheonRepublic of Korea Division of Biostatistics Department of R&D ManagementKangbuk Samsung HospitalSungkyunkwan University School of MedicineSeoulRepublic of Korea Division of Cardiology Department of Internal MedicineKorea University Ansan HospitalAnsanRepublic of Korea MAFLD Research Center Department of HepatologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina Wenzhou Key Laboratory of Hepatology WenzhouChina Institute of Hepatology Wenzhou Medical UniversityWenzhouChina Key Laboratory of Diagnosis and Treatment for the Development of Chronic Liver Disease in Zhejiang Province WenzhouChina Nutrition and Metabolism Faculty of MedicineUniversity of SouthamptonSouthamptonUK Southampton National Institute for Health and Care Research Biomedical Research CentreUniversity Hospital SouthamptonSouthamptonUK Metabolic Diseases Research Unit IRCCS Sacro Cuore-Don Calabria HospitalNegrar di ValpolicelleItaly Division of Cardiology Department of Internal MedicineKangbuk Samsung HospitalSungkyunkwan University School of MedicineSeoulRepublic of Korea

Background:We examined the comparative associations between non-alcoholic fatty liver disease(NAFLD)and metabolic dysfunction-associated steatotic liver disease(MASLD)definitions with risk of developing chronic kidney disease(CKD)and abnormal ***:We conducted a cohort study of 214,145 Korean adults with normal kidney function at baseline who underwent liver *** were further subdivided into no steatotic liver disease(no-SLD),NAFLD-only,MASLD-only,both NAFLD and MASLD,and SLD not categorized as NAFLD or MASLD *** proportional hazards models were used to analyze the risk of incident CKD and ***:Compared with either the no-NAFLD or no-MASLD groups,the NAFLD and MASLD groups were associated with a higher risk of incident CKD(NAFLD:adjusted hazard ratio(HR),1.18[95%CI,1.01-1.38];MASLD:adjusted HR,1.21[95%CI,1.04-1.39]).Among the five subgroups,both NAFLD and MASLD group had the strongest association with risk of incident CKD(adjusted HR,1.21[95%CI,1.04-1.42]).The MASLD-only group had the strongest association with incident abnormal albuminuria,with an adjusted HR comparable to that of the both NAFLD and MASLD group(adjusted HR 1.96[95%CI,1.44-2.67]for the MASLD-only,and adjusted HR 1.98[95%CI,1.58-2.49]for the both NAFLD and MASLD group versus the no-SLD group).The NAFLD-only group was not independently associated with risk of CKD or abnormal ***:These findings suggest that MASLD definition identifies individuals at high risk of developing incident CKD or abnormal albuminuria better than NAFLD definition.

关键词： Metabolic dysregulation non-alcoholic fatty liver disease(NAFLD) metabolic syndrome chronic kidney disease(CKD) albuminuria

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Crystal reconstruction of V2O3/carbon heterointerfaces via anodic hydration for ultrafast and reversible Mg-ion battery cathodes

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InfoMat 2024年第3期6卷 95-107页

作者： Gun Jang Yun Sang Joe Sang Joon lee Hyun Gyu Cho Sang Ha Baek Peixun Xiong Kang Ho Shin Jeong Seok yeon Min Su Kang Si Hyoung Oh Ho Seok Park School of Chemical Engineering Sungkyunkwan University(SKKU)SuwonRepublic of Korea Advanced Batteries Research Center Korea Electronics Technology InstituteSeongnamRepublic of Korea Korea Institute of Science and Technology SeoulRepublic of Korea SKKU Advanced Institute of Nano Technology(SAINT) Sungkyunkwan UniversitySuwonRepublic of Korea Department of Health Sciences and Technology Samsung Advanced Institute for Health Sciences and Technology(SAIHST)Sungkyunkwan UniversitySuwonRepublic of Korea SKKU Institute of Energy Science and Technology(SIEST) Sungkyunkwan UniversitySuwonRepublic of Korea

Magnesium-ion batteries(MIBs)have promising applications because of their high theoretical capacity and the natural abundance of magnesium ***,the kinetic performance and cyclic stability of cathode materials are limited by the strong interactions between Mg ions and the crystal ***,we demonstrate the unique Mg^(2+)-ion storage mechanism of a hierarchical accordion-like vanadium oxide/carbon heterointerface(V2O3@C),where the V2O3 crystalline structure is reconstructed into a MgV_(3)O_(7)·H_(2)O phase through an anodic hydration reaction upon first cycle,for the improved kinetic and cyclic *** verified by in situ/ex situ spectroscopic and electrochemical analyses,the fast charge transfer kinetics of the V2O3@C cathode were due to the crystal-reconstruction and chemically coupled *** V2O3@C demonstrated an ultrahigh rate capacity of 130.4 mAh g^(-1)at 50000 mA g^(-1)and 1000 cycles,achieving a Coulombic efficiency of 99.6%.The high capacity of 381.0 mA h g^(-1)can be attributed to the reversible Mg^(2+)-ion intercalation mechanism observed in the MgV_(3)O_(7)·H_(2)O phase using a 0.3 M Mg(TFSI)2/ACN(H_(2)O)***,within the voltage range of 2.25 V versus Mg/Mg^(2+),the V2O3@C exhibited a capacity of 245.1 mAh g^(-1)when evaluated with magnesium metal in a 0.3 M Mg(TFSI)^(2+)0.25 M MgCl_(2)/DME *** research findings have important implications for understanding the relationship between the Mg-ion storage mechanism and reconstructed crystal phase of vanadium oxides as well as the heterointerface reconstruction for the rational design of MIB cathode materials.

关键词： anodic hydration reaction magnesium ion battery nano crystal vanadium oxide

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Investigating ischemia and reperfusion-induced organ damage in severe cardiac arrest:A comprehensive proteomics perspective

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Journal of Pharmaceutical Analysis 2024年第3期14卷 427-430页

作者： Ju yeon lee Muhammad Shoaib Jin-Woong Choi Rishabh C.Choudhary Tai Yin Nara Yoon Kei Hayashida Seunguk J.Baek Santiago J.Miyara Lance B.Becker Junhwan Kim Research Center of Bioconvergence Analysis Korea Basic Science InstituteCheongjuSouth Korea Bio-Analytical Science University of Science and TechnologyCheongjuSouth Korea Laboratory for Critical Care Physiology Feinstein Institutes for Medical ResearchManhassetNY11030USA Donald and Barbara Zucker School of Medicine at Hofstra/Northwell School of Medicine HempsteadNY11549USA Mathematics and Computer Science Adelphi UniversityGarden CityNY11530USA Department of Emergency Medicine North Shore University HospitalManhassetNY11030USA

Cardiac arrest(CA)is a life-threatening condition with complex pathophysiology and limited treatment *** gain deeper insights into the pathological state of vital organs,we employed a proteomics analysis in rodents to assess proteome alterations in the brain,heart,kidney,and liver using a rat model of *** brain displayed severe protein alterations in essential cellular pathways,including three major energy-generating pathways after CA,which worsened after resuscitation,resulting in the most significant overall protein changes among the ***,the liver,experiencing the most substantial protein alterations post-CA,demonstrated significant recovery,presenting the least protein changes post-resuscitation.

关键词： alterations organs damage

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