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One dimensional pea-shaped NiSe_(2) nanoparticles encapsulated in N-doped graphitic carbon fibers to boost redox reversibility in sodium-ion batteries

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Journal of Materials Science & Technology 2024年第1期168卷 215-226页

作者： Hyunjeong Gim Achmad Yanuar Maulana Jiwon Choi Jungwook Song Boram Yun Yuri Jeong Nahyun An Myeongkee Park Cybelle M.Futalan Jongsik Kim Department of Chemical Engineering(bk21 FOUR graduate program) Dong-A UniversityBusan 49315Korea(the Republic of) Department of Chemistry Dong-A UniversityBusan 49315Korea(the Republic of) Department of Chemistry Pukyong National UniversityBusan 48513Korea(the Republic of) Institute of Civil Engineering University of the PhilippinesDiliman 1127Philippines

In recent years,sodium-ion batteries(SIBs)have emerged as a promising technology for energy storage systems(ESSs)because of the abundance and affordability of ***,metal selenides have been studied as promising high-performance conversion-type anode materials in *** them,nickel se-lenide(NiSe_(2))has received considerable attention due to its high theoretical capacity of 495 mAh g^(-1)and ***,it still suffers from poor cycling stability because of the low electrochemical reactivity,large volume expansion,and structural instability during *** address these challenges,NiSe_(2)nanoparticles encapsulated in N-doped graphitic carbon fibers(NiSe_(2)@NGCF)were synthesized by using ZIF-8 as a ***_(2)@NGCF showed a high discharge capacity of 558.3 mAh g^(-1)with a fading rate of 0.14%per cycle after 200 cycles at 0.5 A g^(-1)in 0.01-3.0 *** a very high current density of 5 A g^(-1),the capacity still displayed excellent long-term cycle life with a discharge capacity of 406.1 mAh g^(-1)with a fading rate of 0.016%per cycle after 3000 *** mechanism of the excellent electrochem-ical performance of NiSe_(2)@NGCF was thoroughly investigated by ex-situ XRD,TEM,and SEM ***,NiSe_(2)@NGCF//Na_(3)V_(2)(PO_(4))_(3)full-cell also delivered an excellent reversible capacity of 378.7 mAh g^(−1)at 0.1 A g^(−1)after 50 cycles,demonstrating its potential for practical application in SIBs.

关键词： Sodium-ion batteries Anode materials Nickel selenide N-doped graphitic carbon fibers One-dimensional electrode

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NADPH oxidase 4(NOX4)as a biomarker and therapeutic target in neurodegenerative diseases

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Neural Regeneration Research 2024年第9期19卷 1961-1966页

作者： Napissara Boonpraman Sun Shin Yi bk21 four program Department of Medical SciencesSoonchunhyang UniversityAsanSouth Korea Department of Biomedical Laboratory Science Soonchunhyang UniversityAsanSouth Korea iConnectome Co.Ltd.CheonanSouth Korea

Diseases like Alzheimer’s and Parkinson’s diseases are defined by inflammation and the damage neurons undergo due to oxidative stress. A primary reactive oxygen species contributor in the central nervous system, NADPH oxidase 4, is viewed as a potential therapeutic touchstone and indicative marker for these ailments. This in-depth review brings to light distinct features of NADPH oxidase 4, responsible for generating superoxide and hydrogen peroxide, emphasizing its pivotal role in activating glial cells, inciting inflammation, and disturbing neuronal functions. Significantly, malfunctioning astrocytes, forming the majority in the central nervous system, play a part in advancing neurodegenerative diseases, due to their reactive oxygen species and inflammatory factor secretion. Our study reveals that aiming at NADPH oxidase 4 within astrocytes could be a viable treatment pathway to reduce oxidative damage and halt neurodegenerative processes. Adjusting NADPH oxidase 4 activity might influence the neuroinflammatory cytokine levels, including myeloperoxidase and osteopontin, offering better prospects for conditions like Alzheimer’s disease and Parkinson’s disease. This review sheds light on the role of NADPH oxidase 4 in neural degeneration, emphasizing its drug target potential, and paving the path for novel treatment approaches to combat these severe conditions.

关键词： Alzheimer’s disease astrocytes mitochondrial dysfunction myeloperoxidase NADPH oxidase 4 NADPH oxidase 4 inhibitors neurodegenerative diseases osteopontin Parkinson’s disease reactive oxygen species

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Understanding the spectrum of non-motor symptoms in multiple sclerosis:insights from animal models

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Neural Regeneration Research 2024年第1期19卷 84-91页

作者： Poornima D.E.Weerasinghe-Mudiyanselage Joong-Sun Kim Taekyun Shin Changjong Moon Department of Veterinary Anatomy and Animal Behavior College of Veterinary Medicine and BK21 FOUR programChonnam National UniversityGwangjuRepublic of Korea Department of Veterinary Anatomy College of Veterinary Medicine and Veterinary Medical Research InstituteJeju National UniversityJejuRepublic of Korea

Multiple sclerosis is a chronic autoimmune disease of the central nervous system and is generally considered to be a non-traumatic,physically debilitating neurological *** addition to experiencing motor disability,patients with multiple sclerosis also experience a variety of nonmotor symptoms,including cognitive deficits,anxiety,depression,sensory impairments,and ***,the pathogenesis and treatment of such non-motor symptoms in multiple scle rosis are still under *** studies for multiple sclerosis benefit from the use of disease-appropriate animal models,including experimental autoimmune *** to understanding the pathophysiology and developing treatments for non-motor symptoms,it is critical to chara cterize the animal model in terms of its ability to replicate certain non-motor features of multiple *** such,no single animal model can mimic the entire spectrum of *** review focuses on the non-motor symptoms that have been investigated in animal models of multiple sclerosis as well as possible underlying ***,we highlighted gaps in the literature to explain the nonmotor aspects of multiple sclerosis in expe rimental animal models,which will serve as the basis for future studies.

关键词： anxiety cognitive deficit depression experimental autoimmune encephalomyelitis motor disability neurological disorder pain pathophysiology preclinical study sensory impairments

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PGLYRP1 protein as a novel mediator of cellular dialogue in neuroinflammation

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Neural Regeneration Research 2025年第7期20卷 1993-1994页

作者： Anup Bhusal Won-Ha Lee Kyoungho Suk Department of Pharmacology School of MedicineKyungpook National UniversityDaeguRepublic of Korea bk21 Plus KNU Biomedical Convergence program Department of Biomedical ScienceSchool of MedicineKyungpook National UniversityDaeguRepublic of Korea School of Life Sciences BK21 plus KNU Creative BioResearch GroupKyungpook National UniversityDaeguRepublic of Korea Brain Science and Engineering Institute Kyungpook National UniversityDaeguRepublic of Korea

Neuroinflammation has been identified as a crucial element in several neurological disorders. Glial cells play a critical role in directing neuroinflammation, both in deleterious and beneficial ways.

关键词： inflammation considerably

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α1-COP modulates plasmodesmata function through sphingolipid enzyme regulation

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Journal of Integrative Plant Biology 2024年第8期66卷 1639-1657页

作者： Arya Bagus Boedi Iswanto Minh Huy Vu Jong Cheol Shon Ritesh Kumar Shuwei Wu Hobin Kang Da-Ran Kim Geon Hui Son Woe Yoen Kim Youn-Sig Kwak Kwang Hyeon Liu Sang Hee Kim Jae-Yean Kim Division of Applied Life Science(bk21 FOUR program) Plant Molecular Biology and Biotechnology Research CenterGyeongsang National UniversityJinju 52828Korea College of Pharmacy and Research Institute of Pharmaceutical Sciences Kyungpook National UniversityDaegu 702-701Korea Departement of Plant Medicine Gyeongsang National UniversityJinju 52828Korea Division of Life Science Gyeongsang National UniversityJinju 52828Korea

Callose,aβ-1,3-glucan plant cell wall polymer,regulates symplasmic channel size at plasmodesmata(PD)and plays a crucial role in a variety of plant ***,elucidating the molecular mechanism of PD callose homeostasis is *** screened and identified an Arabidopsis mutant plant with excessive callose deposition at PD and found that the mutated gene wasα1-COP,a member of the coat protein I(COPI)coatomer *** report that loss of function ofα1-COP elevates the callose accumulation at PD by affecting subcellular protein localization of callose degradation enzyme Pd *** process is linked to the functions of ERH1,an inositol phosphoryl ceramide synthase,and glucosylceramide synthase through physical interactions with theα1-COP ***,the loss of function ofα1-COP alters the subcellular localization of ERH1 and GCS proteins,resulting in a reduction of Glc Cers and Glc HCers molecules,which are key sphingolipid(SL)species for lipid raft *** findings suggest thatα1-COP protein,together with SL modifiers controlling lipid raft compositions,regulates the subcellular localization of GPI-anchored PDBG2 proteins,and hence the callose turnover at PD and symplasmic movement of *** findings provide the first key clue to link the COPI-mediated intracellular trafficking pathway to the callose-mediated intercellular signaling pathway through PD.

关键词： callose coatomer proteins membrane-bound vesicle plasmodesmata sphingolipid enzymes

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Changes in structural plasticity of hippocampal neurons in an animal model of multiple sclerosis

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Zoological Research 2024年第2期45卷 398-414页

作者： Poornima D.E.Weerasinghe-Mudiyanselage Sohi Kang Joong-Sun Kim Sung-Ho Kim Hongbing Wang Taekyun Shin Changjong Moon Department of Veterinary Anatomy and Animal Behavior College of Veterinary Medicine and BK21 FOUR ProgramChonnam National UniversityGwangju 61186Republic of Korea Department of Anatomy and Convergence Medical Science Institute of Health SciencesCollege of MedicineGyeongsang National UniversityJinju 52727Republic of Korea Department of Physiology and Neuroscience program Michigan State UniversityEast LansingMI 48824USA Department of Veterinary Anatomy College of Veterinary Medicine and Veterinary Medical Research InstituteJeju National UniversityJeju 63243Republic of Korea

Structural plasticity is critical for the functional diversity of neurons in the *** autoimmune encephalomyelitis(EAE)is the most commonly used model for multiple sclerosis(MS),successfully mimicking its key pathological features(inflammation,demyelination,axonal loss,and gliosis)and clinical symptoms(motor and non-motordysfunctions).Recentstudieshave demonstrated the importance of synaptic plasticity in EAE *** the present study,we investigated the features of behavioral alteration and hippocampal structural plasticity in EAE-affected mice in the early phase(11 days post-immunization,DPI)and chronic phase(28DPI).EAE-affected mice exhibited hippocampus-related behavioral dysfunction in the open field test during both early and chronic *** complexity was largely affected in the cornu ammonis 1(CA1)and CA3 apical and dentate gyrus(DG)subregions of the hippocampus during the chronic phase,while this effect was only noted in the CA1 apical subregion in the early ***,dendritic spine density was reduced in the hippocampal CA1 and CA3 apical/basal and DG subregions in the early phase of EAE,but only reduced in the DG subregion during the chronic ***,mRNA levels of proinflammatory cytokines(Il1β,Tnfα,and Ifnγ)and glial cell markers(Gfap and Cd68)were significantly increased,whereas the expression of activity-regulated cytoskeletonassociated protein(ARC)was reduced during the chronic ***,exposure to the aforementioned cytokines in primary cultures of hippocampal neurons reduced dendritic complexity and ARC *** cultures of hippocampal neurons also showed significantly reduced extracellular signal-regulated kinase(ERK)phosphorylation upon treatment with proinflammatory ***,these results suggest that autoimmune neuroinflammation alters structural plasticity in the hippocampus,possibly through the ERK-ARC pathway,indicating that this alteration may be associated with hi

关键词： Activity-regulated cytoskeleton-associated protein Anxiety-like behavior Experimental autoimmune encephalomyelitis Hippocampal dysfunction Neuroinflammation

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Recent developments in selective laser processes for wearable devices

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Bio-Design and Manufacturing 2024年第4期7卷 517-547页

作者： Youngchan Kim Eunseung Hwang Chang Kai Kaichen Xu Heng Pan Sukjoon Hong Optical Nanoprocessing Lab Department of Mechanical EngineeringBK21 FOUR ERICA-ACE CenterHanyang University55 Hanyangdaehak-RoSangnok-GuAnsan 15588Republic of Korea Multiscale Manufacturing Lab J.Mike Walker’66 Department of Mechanical EngineeringTexas A&M UniversityCollege StationTX 77843USA State Key Laboratory of Fluid Power and Mechatronic Systems School of Mechanical EngineeringZhejiang UniversityHangzhou 310058China

Recently,the increasing interest in wearable technology for personal healthcare and smart virtual/augmented reality applications has led to the development of facile fabrication *** have long been used to develop original solutions to such challenging technological problems due to their remote,sterile,rapid,and site-selective processing of *** this review,recent developments in relevant laser processes are summarized under two separate ***,transformative approaches,such as for laser-induced graphene,are *** addition to design optimization and the alteration of a native substrate,the latest advances under a transformative approach now enable more complex material compositions and multilayer device configurations through the simultaneous transformation of heterogeneous precursors,or the sequential addition of functional layers coupled with other electronic *** addition,the more conventional laser techniques,such as ablation,sintering,and synthesis,can still be used to enhance the functionality of an entire system through the expansion of applicable materials and the adoption of new ***,various wearable device components developed through the corresponding laser processes are discussed,with an emphasis on chemical/physical sensors and energy *** addition,special attention is given to applications that use multiple laser sources or processes,which lay the foundation for the all-laser fabrication of wearable devices.

关键词： Selective laser process Wearable device Transformative approach Laser-induced graphene Ablation Sintering Synthesis

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Supposition of graphene stacks to estimate the contact resistance and conductivity of nanocomposites

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Applied Mathematics and Mechanics(English Edition) 2024年第4期45卷 663-676页

作者： Y.ZARE M.T.MUNIR G.J.WENG K.Y.RHEE Biomaterials and Tissue Engineering Research Group Department of Interdisciplinary TechnologiesBreast Cancer Research CenterMotamed Cancer InstituteTehran ***Iran College of Engineering and Technology American University of the Middle EastEgaila 54200Kuwait Department of Mechanical and Aerospace Engineering Rutgers UniversityNew BrunswickNJ 08903U.S.A. Department of Mechanical Engineering(bk21 Four) College of EngineeringKyung Hee UniversityYongin 446701Republic of Korea

In this study,the effects of stacked nanosheets and the surrounding interphase zone on the resistance of the contact region between nanosheets and the tunneling conductivity of samples are evaluated with developed equations superior to those previously *** contact resistance and nanocomposite conductivity are modeled by several influencing factors,including stack properties,interphase depth,tunneling size,and contact *** developed model's accuracy is verified through numerous experimental *** further validate the models and establish correlations between parameters,the effects of all the variables on contact resistance and nanocomposite conductivity are ***,the contact resistance is primarily dependent on the polymer tunnel resistivity,contact area,and tunneling *** dimensions of the graphene nanosheets significantly influence the conductivity,which ranges from 0 S/m to90 S/*** increased number of nanosheets in stacks and a larger gap between them enhance the nanocomposite's ***,the thicker interphase and smaller tunneling size can lead to higher sample conductivity due to their optimistic effects on the percolation threshold and network efficacy.

关键词： graphene polymer composite stacked nanosheet tunneling conductivity contact resistance interphase

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The processed C-terminus of AvrRps4 effector suppresses plant immunity via targeting multiple WRKYs

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Journal of Integrative Plant Biology 2024年第8期66卷 1769-1787页

作者： Quang-Minh Nguyen Arya Bagus Boedi Iswanto Hobin Kang Jiyun Moon Kieu Anh Thi Phan Geon Hui Son Mi Chung Suh Eui-Hwan Chung Walter Gassmann Sang Hee Kim Division of Applied Life Science(bk21 Four program) Plant Molecular Biology and Biotechnology Research CenterGyeongsang National UniversityJinju 52828Korea Department of Life Science Sogang UniversitySeoul 04107Korea Department of Plant Biotechnology Korea UniversitySeoul 02841Korea Division of Plant Science and Technology Christopher S.Bond Life Sciences Center and Interdisciplinary Plant GroupUniversity of MissouriColumbiaMissouri 65211USA Division of Life Science and Research Institute of Molecular Alchemy Gyeongsang National UniversityJinju 52828Korea

Pathogens generate and secrete effector proteins to the host plant cells during pathogenesis to promote virulence and *** the plant carries resistance(R)proteins that recognize pathogen effectors,effector-triggered immunity(ETI)is activated,resulting in a robust immune response and hypersensitive response(HR).The bipartite effector AvrRps4 from Pseudomonas syringae *** has been well studied in terms of avirulence *** planta,AvrRps4 is processed into two *** Cterminal fragment of AvrRps4(AvrRps4^(C))induces HR in turnip and is recognized by the paired resistance proteins AtRRS1/AtRPS4 in ***,we show that AvrRps4^(C)targets a group of Arabidopsis WRKY,including WRKY46,WRKY53,WRKY54,and WRKY70,to induce its virulence ***,AvrRps4^(C)suppresses the general binding and transcriptional activities of immune-positive regulator WRKY54 and WRKY54-mediated ***4^(C)interferes with WRKY54's binding activity to target gene SARD1 in vitro,suggesting WRKY54 is sequestered from the SARD1 promoter by AvrRps4^(C).Through the interaction of Avr Rps4^(C)with four WRKYs,AvrRps4 enhances the formation of homo-/heterotypic complexes of four WRKYs and sequesters them in the cytoplasm,thus inhibiting their function in plant ***,our results provide a detailed virulence mechanism of AvrRps4 through its C-terminus.

关键词： AvrRps4 bacterial effector effector-triggered immunity immune response suppression transcription factor WRKY

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Rheological and stability analysis of cement pastes incorporating silica-based wastes

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Particuology 2024年第6期89卷 144-152页

作者： Julia da Rosa Martins Janaíde Cavalcante Rocha Dachamir Hotza Luciano Senff graduate program in Materials Science and Engineering(PPGMAT) Federal University of Santa Catarina(UFSC)Florianópolis88040-900SCBrazil graduate program in Civil Engineering(PPGEC) Federal University of Santa Catarina(UFSC)Florianópolis88040-900SCBrazil graduate program in Chemical Engineering(POSENQ) Federal University of Santa Catarina(UFSC)Florianópolis88040-900SCBrazil Department of Mobility Engineering Federal University of Santa Catarina(UFSC)Joinville89219-600SCBrazil

This study investigates the influence of waste characteristics,especially zeta potential,on the properties of cement pastes and *** focus is to evaluate the impact of the zeta potential of cement particles and waste materials on the sedimentation speed,rheology,and hardening time of stabilized cement *** Cement II F 40,retarder additive,silica,and fly ash were used in the *** pastes were prepared,and during the stabilization period,their rheological properties and pH were *** zeta potential and sedimentation speed of the cement and waste particles were measured at the pH that the pastes presented during the entire stabilization *** the stabilization period,the pastes were subjected to the hardening time *** zeta potential analyses revealed diverse values for the different powder types,with the cement particles exhibiting a zeta potential of−3.0 mV,the silica particles exhibiting−10.5 mV,and the fly ash particles exhibiting−20.3 *** influence of the high zeta potential modulus was observed on the sedimentation speed,with the solution containing fly ash exhibiting a speed of 40.01μm/s,whereas the solution containing only cement exhibited a speed of 99.38μm/*** the pastes,the results indicate that the presence of fly ash particles with a significantly negative zeta potential led to a 16%reduction in hardening time compared to particles with a lower modulus of zeta *** tests showed that the inclusion of fly ash particles prevented the formation of *** the zeta potential influenced agglomerate formation and hardening time,it was found to have no effect on yield stress or viscosity.

关键词： Wastes Zeta potential Setting time Rheometry

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