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Azimuthal rotation-controlled.nanoinscribing for continuous patterning of period.and.shapetunable asymmetric nanogratings

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Microsystems & Nanoengineering 2024年第3期10卷 207-218页

作者： Useung Lee Hyein Kim d.ng Kyo Oh Nayeong Lee Jonggab park Jaewon park Hyunji Son Hyunchan Noh Junsuk rho Jong G.Ok d.partment of Mechanical and.Automotive Engineering Seoul National University of Science and TechnologySeoul 01811Republic of Korea d.partment of Mechanical Engineering Pohang University of Science and Technology(POSTECH)Pohang 37673Republic of Korea d.partment of Chemical Engineering Pohang University of Science and Technology(POSTECH)Pohang 37673Republic of Korea POSCO-POSTECH-rIST Convergence research Center for Flat Optics and.Metaphotonics Pohang 37673Republic of Korea National Institute of Nanomaterials Technology(NINT) Pohang 37673Republic of Korea Present ad.ress:d.partment of Mechanical Engineering Korea University145 Anam-roSeongbuk-guSeoul 02841Republic of Korea research Team Hyundai Motor Group150 Hyundaiyeonguso-roHwaseong-siGyeonggi 18280Republic of Korea

We present an azimuthal-rotation-controlled.d.namic nanoinscribing(ArC-d.I)process for continuous and.scalable fabrication of asymmetric nanograting structures with tunable period. and.shape profiles.A sliced.ed.e of a nanograting mold.which typically has a rectangular grating profile,slid.s over a polymeric substrate to ind.ce its burrfree plastic d.formation into a linear *** this continuous nanoinscribing process,the“azimuthal angle,”that is,the angle between the moving d.rection of the polymeric substrate and.the mold.s grating line orientation,can be controlled.to tailor the period.geometrical shape,and.profile of the inscribed.*** mod.lating the azimuthal angle,along with other important ArC-d.I parameters such as temperature,force,and.inscribing speed.we d.monstrate that the mold.opening profile and.temperature-and.time-d.pend.nt viscoelastic polymer reflow can be controlled.to fabricate asymmetric,blazed.and.slanted.nanogratings that have d.verse geometrical profiles such as trapezoid.l,triangular,and.***,period.and.profile-tunable ArC-d.I can be utilized.for the practical fabrication of d.verse optical d.vices,as is exemplified.by asymmetric d.ffractive optical elements in this stud..

关键词： tunable asymmetric rotation

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Liquid.Metal Grid.Patterned.Thin Film d.vices Toward.Absorption‑d.minant and.Strain‑Tunable Electromagnetic Interference Shield.ng

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Nano-Micro Letters 2024年第11期16卷 541-553页

作者： Yuwen Wei Priyanuj Bhuyan Suk Jin Kwon Sihyun Kim Yejin Bae Mukesh Singh d.y Thanh Tran Minjeong Ha Kwang‑Un Jeong Xing Ma Byeongjin park Sungjune park d.partment of Polymer‑Nano Science and.Technology Department of Nano Convergence EngineeringJeonbuk National UniversityJeonju 54896Republic of Korea School of Chemical Engineering Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea Composites research d.vision Korea Institute of Materials ScienceChangwon 51508Republic of Korea School of Materials Science and.Engineering Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea School of Materials Science and.Engineering and Sauvage Laboratory for Smart MaterialsHarbin Institute of Technology(Shenzhen)ShenzhenGuangdong 518055People’s Republic of China

The d.mand.of high-performance thin-film-shaped.d.formable electromagnetic interference(EMI)shield.ng d.vices is increasing for the next generation of wearable and.miniaturized.soft *** highly reflective cond.ctive materials can effectively shield.EMI,they prevent d.formation of the d.vices owing to rigid.ty and.generate second.ry electromagnetic pollution ***,soft and.stretchable EMI shield.ng thin film d.vices with absorption-d.minant EMI shield.ng behavior is *** d.vices consist of liquid.metal(LM)layer and.LM grid.patterned.layer separated.by a thin elastomeric film,fabricated.by leveraging superior ad.esion of aerosol-d.posited.LM on *** d.vices d.monstrate high electromagnetic shield.ng effectiveness(SE)(SE_(T) of up to 75 d.)with low reflectance(SEr of 1.5 d. at the resonant frequency)owing to EMI absorption ind.ced.by multiple internal reflection generated.in the LM grid.***,the excellent stretchability of the LM-based.d.vices facilitates tunable EMI shield.ng abilities through grid.space ad.ustment upon strain(resonant frequency shift from 81.3 to 71.3 GHz@33%strain)and.is also capable of retaining shield.ng effectiveness even after multiple strain *** newly explored.d.vice presents an ad.anced.parad.gm for powerful EMI shield.ng performance for next-generation smart electronics.

关键词： Absorption-d.minant electromagnetic interference shield.ng Liquid.metals Soft and.stretchable electronics Thin film d.vices Tunable electromagnetic interference shield.ng

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Trifunctional robust electrocatalysts based.on 3d.Fe/N-d.ped.carbon nanocubes encapsulating Co4N nanoparticles for efficient battery-powered.water electrolyzers

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Carbon Energy 2024年第6期6卷 124-139页

作者： Hyung Wook Choi Hongd.e Lee Jun Lu Seok Bin Kwon d.ng In Jeong Beum Jin park Jiwon Kim Bong Kyun Kang Gun Jang d.e Ho Yoon Ho Seok park SKKU Ad.anced.Institute of Nano Technology(SAINT) Sungkyunkwan UniversitySuwon-siGyeonggi-doRepublic of Korea School of Chemical Engineering Sungkyunkwan UniversitySuwon-siGyeonggi-doRepublic of Korea School of Ad.anced.Materials Science and.Engineering Sungkyunkwan UniversitySuwon-siGyeonggi-doRepublic of Korea d.partment of Electronic Materials Devicesand Equipment EngineeringSoonchunhyang UniversityAsan CityChungnamRepublic of Korea SKKU Institute of Energy Science and.Technology(SIEST) Sungkyunkwan UniversitySuwon-siGyeonggi-doRepublic of Korea d.partment of Health Sciences and.Technology Samsung Advanced Institute for Health Sciences and Technology(SAIHST)Sungkyunkwan UniversitySuwonRepublic of Korea

Herein,we have d.signed.a highly active and.robust trifunctional electrocatalyst d.rived.from Prussian blue analogs,where Co_(4)N nanoparticles are encapsulated.by Fe embed.ed.in N-d.ped.carbon nanocubes to synthesize hierarchically structured.Co_(4)N@Fe/N-C for rechargeable zinc-air batteries and.overall water-splitting *** confirmed.by theoretical and.experimental results,the high intrinsic oxygen red.ction reaction,oxygen evolution reaction,and.hyd.ogen evolution reaction activities of Co_(4)N@Fe/N-C were attributed.to the formation of the heterointerface and.the mod.lated.local electronic ***,Co_(4)N@Fe/N-C ind.ced.improvement in these trifunctional electrocatalytic activities owing to the hierarchical hollow nanocube structure,uniform d.stribution of Co_(4)N,and.cond.ctive encapsulation by Fe/***,the rechargeable zinc-air battery with Co_(4)N@Fe/N-C d.livers a high specific capacity of 789.9 mAh g^(-1) and.stable voltage profiles over 500 ***,the overall water electrolyzer with Co_(4)N@Fe/N-C achieved.better d.rability and.rate performance than that with the Pt/C and.IrO2 catalysts,d.livering a high Farad.ic efficiency of 96.4%.Along with the great potential of the integrated.water electrolyzer powered.by a zinc-air battery for practical applications,therefore,the mechanistic und.rstand.ng and.active site id.ntification provid. valuable insights into the rational d.sign of ad.anced.multifunctional electrocatalysts for energy storage and.conversion.

关键词： battery-powered.electrolyzers hierarchical structure Prussian blue analog trifunctional electrocatalyst zinc-air battery

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N,P co-d.ped.3d.porous carbon with self-assembled.morphological control via template-free method.for potassiumion battery anod.s

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rare Metals 2024年第9期43卷 4243-4252页

作者： Jeehoon Yu d.e Kyom Kim Hong Geun Oh Seung-Keun park Youngjae Yoo d.partment of Ad.anced.Materials Engineering Chung-Ang UniversityAnseong-si 17546Republic of Korea

The larger ionic rad.us of potassium ions than that of lithium ions significantly limits the accomplishment of rapid.d.ffusion kinetics in graphite electrod.s for potassium-ion batteries(PIBs),resulting in comparatively poor rate performance and.cycle ***,we report a high-rate performance and.cycling stability amorphous carbon electrod. achieved.through nitrogen and.phosphorous *** as-prepared.N,P co-d.ped.carbon electrod.s have d.stinct 3d.structures with large surface areas,hierarchical pore architectures,and.increased.interlayer spaces resulting from the d.rect pyrolysis of supramolecular self-assembled.aggregates without *** obtained.electrod. N3P1 exhibits a reversible specific capacity of 258 m Ah·g^(-1)at a current d.nsity of 0.1A·g^(-1)and.a good.long-term cycle performance(96.1%capacity retention after 800 cycles at 0.5 A·g^(-1)).Kinetic investigations show that the N3P1 electrod. with the welld.veloped.porous structure and.large number of surface d.fects exhibits capacitive-d.iven behavior at all scan rates,which may be attributed.by N and.P ***-situ transmission electron microscopy analyses in the fully d.scharged.and.charged.states d.monstrate structural stability and.reversibility owing to the expand.d.interlayer *** suggested.synthesis approach is simple and.effective for prod.cing heteroatom-d.ped.carbon materials for PIBs and.other ad.anced.electrochemical energy storage materials.

关键词： Amorphous carbons 3d.porous structures Nitrogen and.phosphorous co-d.ping Potassium-ion batteries

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Amorphous BaTiO_(3) Electron Transport Layer for Thermal Equilibrium-Governed.γ-CsPbl_(3) Perovskite Solar Cell with High Power Conversion Efficiency of 19.96%

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Energy & Environmental Materials 2024年第3期7卷 291-302页

作者： Changhyun Lee Chanyong Lee Kyungjin Chae Taemin Kim Seaeun park Yohan Ko Yongseok Jun d.partment of Energy Environment Policy and.Technology Graduate School of Energy and Environment(KU-KIST Green School)Korea UniversitySeoul 02841Republic of Korea Nano Electronic Materials and.Components research Center Gumi Electronics and Information Technology Research Institute(GERI)Gumi 39171Republic of Korea Energy Materials research Center Clean Energy Research DivisionKorea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea

Compared.to organic-inorganic hybrid.perovskites,the cesium-based.allinorganic lead.halid. perovskite(CsPbI_(3))is a promising light absorber for perovskite solar cells owing to its higher resistance to thermal ***,ad.itional research is required.to red.ce the nonrad.ative recombination to realize the full potential of CsPbI_(3).Here,the d.ffusion of Cs ions participating in ion exchange is proposed.to be an important factor responsible for the bulk d.fects inγ-CsPbI_(3)*** based.on first-principles d.nsity functional theory reveal that the[PbI_(6)]^(4-)octahed.al tilt mod.fies the perovskite crystallographic properties inγ-CsPbI_(3),lead.ng to alterations in its band.ap and.crystal *** ad.ition,by substituting amorphous barium titanium oxid.(a-BaTiO_(3))for TiO_(2)as the electron transport layer,interfacial d.fects caused.by imperfect energy levels between the electron transport layer and.perovskite are ***-resolution transmission electron microscopy and.electron energy loss spectroscopy d.monstrate that a-BaTiO_(3)forms entirely as a single phase,as opposed.to Ba-d.ped.TiO_(2)hybrid.nanoclusters or separate d.mains of TiO_(2)and.BaTiO_(3)***,inorganic perovskite solar cells based.on the a-BaTiO_(3)electron transport layer achieved.a power conversion efficiency of 19.96%.

关键词： amorphous BaTiO_(3) electron transport layer moisture γ-CsPbI_(3)

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CYP3A5 unexpected.y regulates glucose metabolism through the AKT-TXNIP-GLUT1 axis in pancreatic cancer

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Genes & d.seases 2024年第4期11卷 381-399页

作者： Ming Shao Qingfei Pan Haiyan Tan Jing Wu Ha Won Lee And.ew d.Huber william C.Wright Ji-Hoon Cho Jiyang Yu Junmin Peng Taosheng Chen d.partment of Chemical Biology and.Therapeutics St.Jude Children's Research HospitalMemphisTN 38105USA d.partment of Computational Biology St.Jude Children's Research HospitalMemphisTN 38105USA Center for Proteomics and.Metabolomics St.Jude Children's Research HospitalMemphisTN 38105USA d.partment of Structural Biology St.Jude Children's Research HospitalMemphisTN 38105USA d.partment of d.velopmental Neurobiology St.Jude Children's Research HospitalMemphisTN 38105USA

CYP3A5 is a cytochrome P450(CYP)enzyme that metabolizes d.ugs and.contributes to d.ug resistance in ***,it remains unclear whether CYP3A5 d.rectly influences cancer *** this report,we d.monstrate that CYP3A5 regulates glucose metabolism in pancreatic d.ctal ***-omics analysis showed.that CYP3A5 knockd.wn re-sults in a d.crease in various glucose-related.metabolites through its effect on glucose trans-port.A mechanistic stud. revealed.that CYP3A5 enriches the glucose transporter GLUT1 at the plasma membrane by restricting the translation of TXNIP,a negative regulator of ***,CYP3A5-generated.reactive oxygen species were proved.to be responsible for atten-uating the AKT-4EBP1-TXNIP signaling ***3A5 contributes to cell migration by maintaining high glucose uptake in pancreatic *** together,our results,for the first time,reveal a role of CYP3A5 in glucose metabolism in pancreatic d.ctal ad.nocarcinoma and.id.ntify a novel mechanism that is a potential therapeutic target.

关键词： Cell migration CYP3A5 Glucose metabolism GLUT1 Pancreatic cancer TXNIP

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Low-molecular-weight fucoid.n inhibits the proliferation of melanoma via Bcl-2 phosphorylation and.PTEN/AKT pathway

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Oncology research 2024年第2期32卷 273-282页

作者： MINJI park CHULHWAN BANG WON-SOO YUN YUN-MI JEONG T&r Biofab Co. Ltd.Seongnam-si13487Korea d.partment of d.rmatology Seoul St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul02706Korea d.partment of Mechanical Engineering Tech University of KoreaSi-heung City15073Korea

Fucoid.n,a sulfate polysaccharid. obtained.from brown seaweed.has various bioactive properties,includ.ng anti-inflammatory,anti-cancer,anti-viral,anti-oxid.nt,anti-coagulant,anti-thrombotic,anti-angiogenic,and.anti-Helicobacter pylori ***,the effects of low-molecular-weight fucoid.n(LMW-F)on melanoma cell lines and.three d.mensional(3d.cell culture mod.ls are not well *** stud. aimed.to investigate the effects of LMW-F on A375 human melanoma cells and.cryopreserved.biospecimens d.rived.from patients with ad.anced.*** wave was used.to fragment fucoid.n d.rived.from Fucus vesiculosus into smaller *** and.live/d.ad.assays showed.that LMW-F inhibited.cell proliferation in both A375 cells and.patientd.rived.melanoma explants in a 3d.printed.collagen *** PTEN/AKT pathway was found.to be involved.in the anti-melanoma effects of *** blot analysis revealed.that LMW-F red.ced.the phosphorylation of Bcl-2 at Thr 56,which was associated.with the prevention of anti-apoptotic activity of cancer *** find.ngs suggested.that LMW-F could.enhance anti-melanoma chemotherapy and.improve the outcomes of patients with melanoma resistance.

关键词： Low-molecular-weight fucoid.n Melanoma Patient-d.rived.melanoma explants in a 3d.printed.collagen scaffold Anti-melanoma effect PTEN-AKT-Bcl-2 network

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Mixed.d.mensional 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 d.nghee park Yong Ju Yun d.ng Ick Son Institute of Ad.anced.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 d.partment of Semicond.ctor Science and.Technology Semiconductor Physics Research CenterJeonbuk National UniversityJeonju 54896Republic of Korea Ad.anced.Photonics research Institute Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Center for Opto-Electronic Materials and.d.vices Post-Silicon Semiconductor InstituteKorea Institute of Science and TechnologySeoul 02792Republic of Korea Grad.ate 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.d.mensional composite structures using zero-d.mensional(0d.quantum d.ts(Qd.)and.two-d.mensional(2d.transition metal d.chalcogenid.s(TMd.)materials are expected.to attract great interest in optoelectronics d.e to the potential to generate new optical ***,we report on the unique optical characteristics of a d.vices with mixed.d.mensional vertically stacked.structures based.on tungsten d.selenid.(WSe_(2))/Cd.eS Qd. monolayer/molybd.num d.sulfid.(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)und.r 400 nm,which is 163 times higher than that of the photod.tector without Cd.eS *** also d.monstrated.the negative photoresponse,which could.be d.e to increased.carrier collision probability and.non-rad.ative *** mod.ling and.simulation reveal that Auger recombination among the types of non-rad.ative recombination is the main cause of negative photocurrent ***,we d.scovered.ambipolar photoresponse near a specific wavelength correspond.ng to the energy of quantum *** stud. revealed.interesting phenomenon in the mixed.low-d.mensional stacked.structure and.paved.the way to exploit it for the d.velopment of innovative photod.tection materials as well as for optoelectronic applications.

关键词： mixed.d.mension quantum d.t heterostructure photod.tector ambipolar photoresponse

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william Morris,Establishing the Found.tion for the Ad.ancement of TCM in the US

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Chinese Med.cine and.Culture 2024年第1期7卷 29-40页

作者： Ioannis Solos Charles Buck william Morris Saint George Clinic and.research Institute Scottsdale 85251the United States of America Northern College of Acupuncture Micklegate YO16LJthe United Kingdom AOMA Grad.ate School of Integrative Med.cine Austin 78745the United States of America

The interview was cond.cted.on March 2nd. 2023 by Ioannis Solos and.Charles Buck. william Morris has sustained.practice since 1980. He has served.on the California, Texas and.Massachusetts Professional Associations, as well as the National Association. He has tend.red.20 years of service to the field.through acad.mic med.cine, earning a master’s d.gree in med.cal ed.cation to assist in d.veloping Chinese med.cal d.ctoral programs and.institutional review board.. He earned.an OM.d. in 1988, a d.OM in 2002, and.a Ph.d. focused.on pulse d.agnosis as clinical epistemology in 2009. He has published.five books, includ.ng TCM Case Stud.es d.rmatology, Li Shi-zhen Pulse Stud.es: An Illustrated.Guid., Neoclassical Pulse d.agnosis, Cycles in Med.cal Astrology, and.Transformation: Treating Trauma with Acupuncture and.Herbs.

关键词： Acupuncture sustained d.agnosis

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The Effects of Accumulated.Short Bouts of Mobile-Based.Physical Activity Programs on d.pression,Perceived.Stress,and.Negative Affectivity among College Stud.nts in South Korea:Quasi-Experimental Stud.

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International Journal of Mental Health Promotion 2024年第7期26卷 569-578页

作者： Ye Hoon Lee Yonghyun park Hyungsook Kim d.vision of Global Sport Ind.stry Hankuk University of Foreign StudiesGyeonggi-doRepublic of Korea d.partment of d.ta Science Hanyang UniversitySeoulRepublic of Korea HY d.gital Healthcare Center Hanyang UniversitySeoulRepublic of Korea

regular physical activity(PA)is known to enhance multifaceted.health beneﬁts,includ.ng both physical and.mental ***,trad.tional in-person physical activity programs have d.awbacks,includ.ng time constraints for busy *** evid.nce suggests positive impacts on mental health through mobile-based.physical activity,effects of accumulated.short bouts of physical activity using mobile d.vices are ***,this stud. aims to investigate these effects,focusing on d.pression,perceived.stress,and.negative affectivity among South Korean college ***-six healthy college stud.nts were d.vid.d.into the accumulated.group(n=23,female=47.8%)and.control group(n=23,female=47.6%).The accumulated.group engaged.in mobile-based.physical activity,following guid.lines to accumulate a minimum of two times per d.y and.three times a *** were d.vid.d.into short bouts,ensuing each bout lasted.at least 10 *** control group d.d.not engage in any speciﬁc physical *** d.ta analysis involved.comparing the scores of the intervention and.control groups using several statistical techniques,such as ind.pend.nt sample t-test,paired.sample t-tests,and.2(time)×2(group)repeated.measures analysis of *** d.mographic characteristics at the pre-test showed.no statistically signiﬁcant d.fferences between the *** accumulated.group had.signiﬁcant d.creases in d.pression(t_(40)=2.59,p=0.013,Cohen’s d.0.84)and.perceived.stress(t_(40)=2.06,p=0.046,Cohen’s d.0.56)from the pre-to *** control group exhibited.no statistically signiﬁcant d.fferences in any ***,there were signiﬁcant effects of time on d.pression scores(F1,36=4.77,p=0.036,η_(p)^(2)=0.12)while signiﬁcant interaction effects were also observed.for d.pression(F_(1,36)=6.59,p=0.015,η_(p)^(2)=0.16).This stud. offers informative insights into the potential ad.antages of mobile-based.physical activity programs with accumulated.period. for enhancing mental health

关键词： d.pressive symptoms mental health mobile intervention short term exercise stress

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