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Unraveling the Harmonious Coexistence of Ruthenium states on a self-standing Electrode for Enhanced Hydrogen Evolution Reaction

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Energy & Environmental Materials 2024年第6期7卷 303-311页

作者： Joonhee Ma Jin Hyuk Cho Chaehyeon lee Moon sung kang sungkyun Choi Ho Won Jang sang Hyun Ahn seoin Back soo Young kim Department of Materials science and Engineering Korea UniversitySeoul 02841Korea Department of Chemical and Biomolecular Engineering Institute of Emergent MaterialsSogang UniversitySeoul 04107Korea Department of Cogno-Mechatronics Engineering College of Nanoscience and NanotechnologyPusan National UniversityBusan 46241Korea Department of Materials science and Engineering Research Institute of Advanced MaterialsSeoul National UniversitySeoul 08826Korea school of Chemical Engineering and Material science Chung-Ang UniversitySeoul 06974Korea

The development of cost-effective,highly efficient,and durable electrocatalysts has been a paramount pursuit for advancing the hydrogen evolution reaction(HER).Herein,a simplified synthesis protocol was designed to achieve a self-standing electrode,composed of activated carbon paper embedded with Ru single-atom catalysts and Ru nanoclusters(ACP/Ru_(sAC+C))via acid activation,immersion,and high-temperature *** initio molecular dynamics(AIMD)calculations are employed to gain a more profound understanding of the impact of acid activation on carbon ***,the coexistence states of the Ru atoms are confirmed via aberration-corrected scanning transmission electron microscopy(AC-sTEM),X-ray photoelectron spectroscopy(XPs),and X-ray absorption spectroscopy(XAs).Experimental measurements and theoretical calculations reveal that introducing a Ru single-atom site adjacent to the Ru nanoclusters induces a synergistic effect,tuning the electronic structure and thereby significantly enhancing their catalytic ***,the ACP/Ru_(sAC+C)exhibits a remarkable turnover frequency(TOF)of 18 s^(−1)and an exceptional mass activity(MA)of 2.2 A mg^(−1),surpassing the performance of conventional Pt *** self-standing electrode,featuring harmoniously coexisting Ru states,stands out as a prospective choice for advancing HER catalysts,enhancing energy efficiency,productivity,and selectivity.

关键词： electrocatalysis electronic coupling effect hydrogen evolution reaction selfstanding electrode

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Tuning structural and Electronic Configuration of FeN_(4) via External s for Enhanced Oxygen Reduction Reaction

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Energy & Environmental Materials 2024年第2期7卷 93-101页

作者： shidong Li Lixue Xia Jiantao Li Zhuo Chen Wei Zhang Jiexin Zhu Ruohan Yu Fang Liu sungs.k lee Yan Zhao Liang Zhou Liqiang Mai state key Laboratory of Advanced Technology for Materials synthesis and Processing Wuhan University of TechnologyWuhan 430070China Foshan Xianhu Laboratory of the Advanced Energy science and Technology Guangdong Laboratory Foshan 528200China Chemical sciences and Engineering Division Argonne National Laboratory9700 South Cass AvenueLemontIL 60439USA NRC(Nanostructure Research Centre) Wuhan University of TechnologyWuhan 430070China X-ray science Division Advanced Photon SourcesArgonne National Laboratory9700 South CassAvenueLemontIL 60439USA state key Laboratory of silicate Materials for Architectures International School of Materials Science and EngineeringWuhan University of TechnologyWuhan 430070China The Institute of Technological sciences Wuhan UniversityWuhan 430072China Hubei Longzhong Laboratory Xiangyang 441000China

The Fe-N-C material represents an attractive oxygen reduction reaction electrocatalyst,and the FeN_(4)moiety has been identified as a very competitive catalytic active *** tuning of the coordination structure of FeN_(4)has an essential impact on the catalytic ***,we construct a sulfur-modified Fe-N-C catalyst with controllable local coordination environment,where the Fe is coordinated with four in-plane N and an axial external *** external s atom affects not only the electron distribution but also the spin state of Fe in the FeN_(4)active *** appearance of higher valence states and spin states for Fe demonstrates the increase in unpaired *** the above characteristics,the adsorption and desorption of the reactants at FeN_(4)active sites are optimized,thus promoting the oxygen reduction reaction *** work explores the key point in electronic configuration and coordination environment tuning of FeN_(4)through s doping and provides new insight into the construction of M-N-C-based oxygen reduction reaction catalysts.

关键词： coordination structure electronic configuration FeN_(4)moiety oxygen reduction reaction sulfur doping

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Clinical associations of corneal neuromas with ocular surface diseases

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Neural Regeneration Research 2024年第1期19卷 140-147页

作者： Charmaine Jan Li Toh Chang Liu Isabelle Xin Yu lee Molly Tzu Yu Lin Louis Tong Yu-Chi Liu lee kong Chian school of Medicine Nanyang Technological UniversitySingapore singapore Eye Research Institute Singapore Department of Cornea and External Eye Disease Singapore National Eye CentreSingapore Ophthalmology and Visual sciences Academic Clinical Program Duke-NUS Medical SchoolSingapore

Corneal neuromas,also termed microneuromas,refer to microscopic,irregula rly-shaped enlargements of terminal subbasal nerve endings at sites of nerve damage or *** formation of corneal neuromas results from damage to corneal nerves,such as following corneal pathology or corneal or intraocular surge ***,denervated areas of sensory nerve fibers become invaded by sprouts of intact sensory nerve fibers,and later injured axons regenerate and new sprouts called neuromas *** recent years,analysis of corneal nerve abnormalities including corneal neuromas which can be identified using in vivo confocal microscopy,a non-invasive imaging technique with microscopic resolution,has been used to evaluate corneal neuropathy and ocular surface *** neuromas have been shown to be associated with clinical symptoms of discomfort and dryness of eyes,and are a promising surrogate biomarker for ocular surface diseases,such as neuropathic corneal pain,dry eye disease,diabetic corneal neuropathy,neurotrophic keratopathy,sjogren's syndrome,bullous.keratopathy,post-refra ctive surgery,and *** this review,we have summarized the current literature on the association between these ocular surface diseases and the presentation of corneal microneuromas,as well as elaborated on their pathogenesis,visualization via in vivo confocal microscopy,and utility in monitoring treatment *** current quantitative analysis on neuromas mainly relies on manual annotation and quantification,which is user-dependent and labor-intensive,future direction includes the development of artificial intelligence software to identify and quantify these potential imaging biomarkers in a more automated and sensitive manner,allowing it to be applied in clinical settings more *** imaging and molecular biomarkers may also help elucidate the associations between corneal neuromas and ocular surface diseases.

关键词： cornea corneal diseases corneal nerve corneal neuropathy in vivo confocal microscopy microneuroma neuroma ocular surface diseases

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High mechanical strength si anode synthesis with interlayer bonded expanded graphite structure for lithium-ion batteries

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Journal of Energy Chemistry 2024年第6期93卷 253-263,I0007页

作者： Wenhui Lai Jong Hak lee Lu shi Yuqing Liu Yanhui Pu Yong kang Ong Carlos Limpo Ting Xiong Yifan Rao Chorng Haur sow Barbaros Ozyilmaz Department of Material science&Engineering National University of SingaporeSingapore 117575Singapore Center for Advanced 2D Materials National University of SingaporeSingapore 117546Singapore Department of Physics National University of SingaporeSingapore 117551Singapore Institute forFunctional Intelligent Materials National University of SingaporeSingapore 117544Singapore

Despite advancements in silicon-based anodes for high-capacity lithium-ion batteries,their widespread commercial adoption is still hindered by significant volume expansion during cycling,especially at high active mass loadings crucial for practical *** root of these challenges lies in the mechanical instability of the material,which subsequently leads to the structural failure of the ***,we present a novel synthesis of a composite combining expanded graphite and silicon *** composite features a unique interlayer-bonded graphite structure,achieved through the application of a modified spark plasma sintering ***,this innovative structure not only facilitates efficient ion and electron transport but also provides exceptional mechanical strength(Vickers hardness:up to658 MPa,Young's modulus:11.6 GPa).This strength effectively accommodates silicon expansion,resulting in an impressive areal capacity of 2.9 mA h cm^(-2)(736 mA h g^(-1)) and a steady cycle life(93% after 100cycles).such outsta nding performance is paired with features appropriate for large-scale industrial production of silicon batteries,such as active mass loading of at least 3.9 mg cm^(-2),a high-tap density electrode material of 1.68 g cm^(-3)(secondary clusters:1.12 g cm^(-3)),and a production yield of up to 1 kg per day.

关键词： Lithium-ion battery silicon anode spark plasma sintering Interlayer bonding Mechanical strength Tap density

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Heterogeneous Cu_(x)O Nano‑skeletons from Waste Electronics for Enhanced Glucose Detection

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Nano-Micro Letters 2024年第11期16卷 554-568页

作者： Yexin Pan Ruohan Yu Yalong Jiang Haosong Zhong Qiaoyaxiao Yuan Connie kong Wai lee Rongliang Yang siyu Chen Yi Chen Wing Yan Poon Mitch Guijun Li Center on smart Manufacturing Division of Integrative Systems and DesignThe Hong Kong University of Science and TechnologyClear Water BayKowloonHong Kong SAR 999077People’s Republic of China The sanya science and Education Innovation Park of Wuhan University of Technology Sanya 572000People’s Republic of China state key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200People’s Republic of China

Electronic waste(e-waste)and diabetes are global challenges to modern ***,solving these two challenges together has been challenging until ***,we propose a laser-induced transfer method to fabricate portable glucose sensors by recycling copper from *** bring up a laser-induced full-automatic fabrication method for synthesizing continuous heterogeneous Cu_(x)O(h-Cu_(x)O)nano-skeletons electrode for glucose sensing,offering rapid(s fabrication,applicable to a wide range of Cu-containing *** this approach,h-Cu_(x)O nanoskeletons,with an inner core predominantly composed of Cu_(2)O with lower oxygen content,juxtaposed with an outer layer rich in amorphous Cu_(x)O(a-Cu_(x)O)with higher oxygen content,are derived from discarded printed circuit *** employed in glucose detection,the h-Cu_(x)O nano-skeletons undergo a structural evolution process,transitioning into rigid Cu_(2)O@CuO nano-skeletons prompted by electrochemical *** transformation yields exceptional glucose-sensing performance(sensitivity:9.893 mA mM^(-1) cm^(-2);detection limit:0.34μM),outperforming most previously reported glucose *** functional theory analysis elucidates that the heterogeneous structure facilitates gluconolactone *** glucose detection device has also been downsized to optimize its scalability and portability for convenient integration into people’s everyday lives.

关键词： Copper oxide Electron 3D tomography E-waste Glucose detection Electrochemical activation

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surface Patterning of Metal Zinc Electrode with an In‑Region Zincophilic Interface for High‑Rate and Long‑Cycle‑Life Zinc Metal Anode

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Nano-Micro Letters 2024年第6期16卷 192-209页

作者： Tian Wang Qiao Xi kai Yao Yuhang Liu Hao Fu Venkata siva kavarthapu Jun kyu lee shaocong Tang Dina Fattakhova‑Rohlfing Wei Ai Jae su Yu Department of Electronics and Information Convergence Engineering Institute for Wearable Convergence ElectronicsKyung Hee UniversityYongin‑siGyeonggi‑do 17104Republic of Korea Frontiers science Center for Flexible Electronics(FsCFE)and shaanxi Institute of Flexible Electronics(sIFE) Northwestern Polytechnical University(NPU)127 West Youyi RoadXi’an 710072People’s Republic of China Institute of Energy and Climate Research:Materials synthesis and Processing(IEk‑1) Forschungszentrum Julich GmbH52425 JulichGermany school of Chemical Engineering Sungkyunkwan University2066 Seobu‑RoJangan‑GuSuwon‑siGyeonggi‑doRepublic of Korea

The undesirable dendrite growth induced by non-planar zinc(Zn)deposition and low Coulombic efficiency resulting from severe side reactions have been long-standing challenges for metallic Zn anodes and substantially impede the practical application of rechargeable aqueous Zn metal batteries(ZMBs).Herein,we present a strategy for achieving a high-rate and long-cycle-life Zn metal anode by patterning Zn foil surfaces and endowing a Zn-Indium(Zn-In)interface in the *** accumulation of electrons in the microchannel and the zincophilicity of the Zn-In interface promote preferential heteroepitaxial Zn deposition in the microchannel region and enhance the tolerance of the electrode at high current ***,electron aggregation accelerates the dissolution of non-(002)plane Zn atoms on the array surface,thereby directing the subsequent homoepitaxial Zn deposition on the array ***,the planar dendrite-free Zn deposition and long-term cycling stability are achieved(5,050 h at 10.0 mA cm^(−2) and 27,000 cycles at 20.0 mA cm^(−2)).Furthermore,a Zn/I_(2) full cell assembled by pairing with such an anode can maintain good stability for 3,500 cycles at 5.0 C,demonstrating the application potential of the as-prepared ZnIn anode for high-performance aqueous ZMBs.

关键词： Zn metal anode surface patterning Directional Zn deposition Aqueous Zn-I_(2)batteries

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Genetic diversity of the s-type small subunit ribosomal RNA gene of Plasmodium knowlesi isolates from sabah,Malaysian Borneo and Peninsular Malaysia

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Asian Pacific Journal of Tropical Medicine 2024年第2期17卷 84-90页

作者： Eric Tzyy Jiann Chong Joveen Wan Fen Neoh Tiek Ying Lau kek Heng Chua Yvonne Ai-Lian Lim Ping-Chin lee Biotechnology Research Institute Universiti Malaysia SabahJalan UMS88400 Kota KinabaluSabahMalaysia Department of Biomedical science Faculty of Medicine BuildingUniversity of Malaya50603 Kuala LumpurMalaysia Centre of Excellence for Research in AIDs(CERiA) University of Malaya50603 Kuala LumpurMalaysia Faculty of science and Natural Resources Universiti Malaysia SabahJalan UMS88400 Kota KinabaluSabahMalaysia

Objective:To determine the genetic diversity of Plasmodium(P.)knowlesi isolates from sabah,Malaysian Borneo and Peninsular Malaysia,targeting the s-type ssU rRNA gene and including aspects of natural selection and ***:Thirty-nine blood samples infected with *** were collected in sabah,Malaysian Borneo and Peninsular *** s-type ssU rRNA gene was amplified using polymerase chain reaction,cloned into a vector,and *** natural selection and haplotype of the s-type ssU rRNA gene sequences were determined using DnasP v6 and illustrated using NETWORk *** study's 39 s-type ssU rRNA sequences and eight sequences from the Genbank database were subjected to phylogenetic analysis using MEGA ***:Overall,the phylogenetic analysis showed no evidence of a geographical cluster of *** isolates from different areas in Malaysia based on the s-type ssU rRNA gene *** s-type ssU rRNA gene sequences were relatively conserved and with a purifying *** sharing of the s-type ssU rRNA gene was observed between the *** isolates in sabah,Malaysian Borneo,but not between sabah,Malaysian Borneo and Peninsular ***:This study suggests that the s-type ssU rRNA gene of *** isolates in sabah,Malaysian Borneo,and Peninsular Malaysia has fewer polymorphic sites,representing the conservation of the *** features make the s-type ssU rRNA gene suitable for comparative studies,such as determining the evolutionary relationships and common ancestry among *** species.

关键词： Plasmodium knowlesi s-type small subunit ribosomal RNA Genetic diversity Natural selection Haplotype

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stromal cell decidualization and embryo implantation: a vulnerable step leading to successful pregnancy

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Reproductive and Developmental Medicine 2024年第2期8卷 101-110页

作者： Luhan Jiang sudini R.Fernando suranga P.kodithuwakku Dandan Cao William s.B.Yeung kai-Fai lee Department of Obstetrics and Gynaecology School of Clinical MedicineLKS Faculty of MedicineThe University of Hong KongHong Kong SAR 999077China Department of Animal science Faculty of Animal Science&Export AgricultureUva Wellassa UniversityBadulla 50000Sri Lanka Department of Animal science Faculty of AgricultureUniversity of PeradeniyaPeradeniya 20400Sri Lanka shenzhen key Laboratory of Fertility Regulation.The University of Hong kong-shenzhen Hospital Shenzhen 518053China

Endometrial stromal cell decidualization is a crucial step in endometrial remodeling during *** is controlled by orchestrated ovarian hormones,followed by the activation of various downstream signaling *** evidence has shown multiple functions of decidualized endometrial stromal cells during embryo implantation,including tissue remodeling,antioxidative stress,angiogenesis,and immune *** distinct secretomes of decidualized stromal cells also reveal their intensive interactions with epithelial,endothelial,and immune ***,aberrant decidualization leads to pregnancy failures,such as recurrent pregnancy loss and repeated implantation *** review aimed to provide an overview of the molecular mechanisms underlying the divergent functions of decidualized endometrial stromal cells and their potential clinical ***,the use of single-cell RNA sequencing data further enhances our understanding of these biological *** review discusses decidualization-related signaling pathways that serve as potential therapeutic targets for treating implantation failure in in vitro fertilization and provides novel approaches to investigate the underlying causes of female infertility.

关键词： Endometrial stromal cell Decidualization Embryo implantation Recurrent pregnancy loss Repeated implantation failure

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solar‑Driven sustainability:Ⅲ–Ⅴsemiconductor for Green Energy Production Technologies

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Nano-Micro Letters 2024年第11期16卷 445-478页

作者： Chandran Bagavath Jeong‑kyun Oh sang‑Wook lee Dae‑Young Um sung‑Un kim Veeramuthu Vignesh Jin‑seo Park shuo Han Cheul‑Ro lee Yong‑Ho Ra Division of Advanced Materials Engineering Engineering CollegeResearch Center for Advanced Materials Development(RCAMD)Jeonbuk National UniversityJeonju 54896Republic of Korea

Long-term societal prosperity depends on addressing the world’s energy and environmental problems,and photocatalysis has emerged as a viable *** the efficiency of photocatalytic processes is fundamentally achieved by optimizing the effective utilization of solar energy and enhancing the efficient separation of photogenerated *** has been demonstrated that the fabrication ofⅢ–Ⅴsemiconductor-based photocatalysts is effective in increasing solar light absorption,long-term stability,large-scale production and promoting charge *** focused review explores on the current developments inⅢ–Ⅴsemiconductor materials for solar-powered photocatalytic *** review explores on various subjects,including the advancement ofⅢ–Ⅴsemiconductors,photocatalytic mechanisms,and their uses in H2 conversion,CO_(2)reduction,environmental remediation,and photocatalytic oxidation and reduction *** order to design heterostructures,the review delves into basic concepts including solar light absorption and effective charge *** also highlights significant advancements in green energy systems for water splitting,emphasizing the significance of establishing eco-friendly systems for CO_(2)reduction and hydrogen *** main purpose is to produce hydrogen through sustainable and ecologically friendly energy *** review intends to foster the development of greener and more sustainable energy source by encouraging researchers and developers to focus on practical applications and advancements in solar-powered photocatalysis.

关键词： Green energy system Hydrogen evolution CO_(2)reduction Ⅲ-Ⅴsemiconductors Photo electrochemical water splitting

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Optimal sequential therapy using tyrosine kinase inhibitors as the first-line treatment in patients with metastatic renal cell carcinoma: A nationwide multicenter study

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Asian Journal of Urology 2024年第3期11卷 450-459页

作者： Jung ki Jo seong Il seo MinYong kang Jinsoo Chung Cheol kwak sung-Hoo Hong Cheryn song Jae Young Park Chang Wook Jeong seok Hwan Choi sung Han kim Eu Chang Hwang Chan Ho lee Hakmin lee Department of Urology Medical and Digital EngineeringCollege of MedicineHanyang UniversitySeoulRepublic of Korea Department of Urology Samsung Medical CenterSungkyunkwan University School of MedicineSeoulRepublic of Korea Department of Urology National Cancer CenterGoyangRepublic of Korea Department of Urology Seoul National University HospitalSeoulRepublic of Korea Department of Urology Kangnam St Mary’s HospitalSeoulRepublic of Korea Department of Urology Asan Medical CenterSeoulRepublic of Korea Department of Urology Korea University Ansan HospitalAnsanRepublic of Korea Department of Urology Kyungpook National University HospitalDaeguRepublic of Korea Department of Urology Chonnam National University Hwasun HospitalHwasunRepublic of Korea Department of Urology Inje University Busan Paik HospitalBusanRepublic of Korea Department of Urology Seoul National University Bundang HospitalSeongnamRepublic of Korea

Objective:The purpose of the study was to identify the best sequence of therapy beginning with a tyrosine kinase inhibitor(TkI)as the first-line therapy for patients with metastatic renal cell carcinoma(mRCC)in terms of overall survival(Os),progression-free survival(PFs),and rates of discontinuation and adverse effects during the treatment ***:This is a retrospective,nationwide multicenter study of patients with mRCC after diagnosis at 10 different tertiary medical centers in korea from January 1992 to December *** focused on patients at either“favorable”or“intermediate”risk according to the International mRCC Database Consortium criteria,and they were followed up(median 335 days).Finally,a total of 1409 patients were selected as the study *** generated a Cox proportional hazard model adjusted for covariates,and the different therapy schemes were statistically tested in terms of Os as well as *** addition,frequencies of discontinuation and adverse events were compared among the therapy ***:Of the primary patterns of treatment sequences(24 sequences),“sunitinib epazopanib”and“sunitinibeeverolimuseimmunotherapy”showed the most beneficial results in both Os and PFs with significantly lower hazards than“sunitinib”,which is the most commonly treated agent in *** that the“TkIeTkI”structure showed relatively higher discontinuation rates with higher adverse effects,the overall beneficial sequence would be“sunitinibeeverolimuseimmunotherapy”.Conclusion:Among several sequential therapy starting with TkIs,“sunitinibeeverolimuse immunotherapy”was found to be the best scheme for mRCC patients with“favorable”or“intermediate”risks.

关键词： Tyrosinekinase inhibitor Metastaticrenalcell carcinoma Overall survival Progression-free survival

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