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Study of engineering electronic structure modulated non-noble metal oxides for scaled-up alkaline blend seawater splitting

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Journal of Energy Chemistry 2023年第11期86卷 167-179,I0004页

作者： Natarajan Logeshwaran Subramanian Vijayapradeep Ae Rhan Kim Prabhakaran Sampath Shanmugam Ramakrishnan Milan Babu Poudel do Hwan Kim dong Jin Yoo Graduate School Department of Energy Storage/Conversion Engineering(BK21 FOUR)Hydrogen and Fuel Cell Research CenterJeonbuk National University567-Baekje-daeroDeokjin-guJeonju-siJeollabuk-do 54896Republic of Korea Department of Life Science Jeonbuk National University567-Baekje-daeroDeokjin-guJeonju-siJeollabuk-do 54896Republic of Korea Division of Science Education and Institute of Fusion Science Jeonbuk National University567-Baekje-daeroDeokjin-guJeonju-siJeollabuk-do 54896Republic of Korea Department of Nano Convergence Engineering Jeonbuk National University567-Baekje-daeroDeokjin-guJeonju-siJeollabuk-do 54896Republic of Korea School of Engineering Merz CourtNewcastle UniversityNE17RUUnited Kingdom

Scaled-up industrial water electrolysis equipment that can be used with abundant seawater is key for affordable hydrogen *** search for highly stable,dynamic,and economical electrocatalysts could have a significant impact on hydrogen ***,we prepared energy-efficient,scalable,and engineering electronic structure modulated Mn-Ni bimetal oxides(Mn_(0.25)Ni_(0.75)O)through simple hydrothermal followed by calcination ***-optimized Mn_(0.25)Ni_(0.75)O displayed enhanced oxygen and hydrogen evolution reaction(OER and HER)performance with overpotentials of 266 and115 mV at current densities of 10 mA cm^(-2)in alkaline KOH added seawater electrolyte ***,Mn-Ni oxide catalytic benefits were attributed to the calculated electronic configurations and Gibbs free energy for OER,and HER values were estimated using first principles *** real-time practical application,we mimicked industrial operating conditions with modified seawater electrolysis using Mn_(0.25)Ni_(0.75)O‖Mn_(0.25)Ni_(0.75)O under various temperature conditions,which performs superior to the commercial IrO_(2)‖Pt-C *** findings demonstrate an inexpensive and facile technique for feasible large-scale hydrogen production.

关键词： Waterel ectrolysis Mn-Ni oxide complex Chlorine evolution reaction Industrial seawater operations Density functional theory calculations

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Measurement of combined flap thickness for reconstruction of decubitus ulcer using computed tomography

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World Journal of Clinical Cases 2023年第31期11卷 7562-7569页

作者： Eun Chan Kim Jeong do Park Syeo-Young Wee Se-Young Kim Department of Plastic and Reconstructive Surgery Soonchunhyang University Gumi HospitalGyeonsangbuk-doGumi 39371South Korea

BACKGROUND Various reconstruction options have been introduced to treat decubitus ulcers.A combined flap that takes advantage of the fasciocutaneous and muscle flaps has been proven to be effective in reconstructing decubitus ulcers in previous ***,no studies have measured combined flap *** is the first study to demonstrate the superiority of the combined flap by measuring its thickness using enhanced abdominopelvic computed tomography(APCT).AIM To evaluate combined flap modality as a useful reconstruction option for decubitus ulcers using measurements obtained through *** Fifteen patients with paraplegia who underwent combined flap surgery for reconstruction of decubitus ulcers between March 2020 and December 2021 were *** defects in the skin and muscle components were reconstructed *** inner gluteus muscle flap was split and manipulated to obliterate dead *** outer fasciocutaneous flap was transposed to cover the muscle flap and opening of the decubitus ***,we performed enhanced APCT at 3 wk and 6 mo postoperatively to measure the flap *** The mean flap thickness was 32.85±8.89 mm at 3 wk postoperatively and 29.27±8.22 mm at 6 mo *** flap thickness was maintained without any major complications such as contour deformities or *** Although there was a significant decrease in flap thickness as measured by APCT,the combined flap provided sufficient padding and maintained its thickness even at 6 mo after reconstruction,suggesting that the combined flap modality may be a useful reconstruction option for patients with paraplegic decubitus ulcers.

关键词： Computed tomography Decubitus ulcer Ischium Surgical flaps Trochanter

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Non-Fullerene-Based Inverted Organic Photovoltaic Device with Long-Term Stability

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Energy & Environmental Materials 2023年第3期6卷 214-221页

作者： do Hui Kim Febrian T.A.Wibowo dongchan Lee Narra V.Krishna Sujung Park Shinuk Cho Sung-Yeon Jang Department of Physics and Energy Harvest Storage Research Center University of UlsanUlsan 44610Republic of Korea School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology(UNIST)50 UNIST-gilUlsan 44919Republic of Korea

In this work,we developed the PM6:Y6-based inverted structure organic photovoltaic(i-OPV)with improved power conversion efficiency(PCE)and long-term stability by resolving the origins of the performance *** deep defects between the metal oxide-based electron transport layer and bulk-heterojunction photoactive layer interface were responsible for suboptimal PCE and facilitated degradation of *** the density of deep traps is increased during the storage of i-OPV,the penetrative oxygen-containing defects additionally generated shallow traps below the band-edge of Y6,causing an additional loss in the open-circuit *** suppression of interfacial defects by chemical modification effectively improved the PCE and long-term stability of *** modified i-OPV(mi-OPV)achieved a PCE of 17.42%,which is the highest value among the reported PM6:Y6-based i-OPV ***,long-term stability was significantly improved:~90%and~80%retention of its initial PCE after 1200 h of air storage and illumination,respectively.

关键词： deep trap inverted structure long-term stability organic photovoltaic power conversion efficiency

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Multi-targeted anti-inflammatory drugs for the treatment of neurological disorders

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Neural Regeneration Research 2023年第4期18卷 805-806页

作者： Austin Lui Omar Alzayat Timothy do David Perekopskiy Meghan Gann Taiseer Saad Elgokhy Jie Gao DaZhi Liu Department of Neurology University of California at DavisSacramentoCAUSA Department of Neuroscience The Ohio State UniversityColumbusOHUSA

Inflammation and kinase pathophysiology in neurological disorders:Inflammation is one of the common features of various acute and degenerative neurological disorders,such as stroke,traumatic brain injury(TBI),Alzheimer’s disease(AD),Parkinson’s disease(PD),and *** inflammatory responses are manifested as the synthesis of inflammation mediators,recruitment of leukocytes,and other secondary *** evidence shows that a large number of inflammation mediators(e.g.,thrombin,reactive oxygen species,cytokines,chemokines,and other molecules)are implicated in the pathophysiological processes in neurological disorders(Liu and Ander,2012)(Figure 1).These increased inflammation mediators stimulate their downstream transmembrane receptors(e.g.,protease-activated receptors,cytokine receptors,and others),and further activate the intracellular downstream effector kinases,such as Src family kinase,Rho-associated protein kinase,Jun N-terminal kinase,extracellular signal-regulated kinase,cyclin-dependent kinase(CDK),and others(Liu and Ander,2012)(Figure 1).Aside from overlapping in different neurological disorders,numerous inflammatory molecules and multiple kinase-involved signaling pathways can be linked to a single neurological disorder such as AD(Heneka et al.,2015).Because of their pivot roles in the process of inflammation,kinases have been regarded as anti-inflammatory targets to improve outcomes of neurological disorders.

关键词： neurological inflammation inflammatory

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From Translation to Linear and Linear Canonical Transformations

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Applied Mathematics 2022年第6期13卷 502-522页

作者： Tan Si do Ho Chi Minh-City Physical Association Ho Chi Minh City Vietnam Université libre de Bruxelles UEM Bruxelles Belgium

In order to obtain with simplicity the known and new properties of linear canonical transformations (LCTs), we show that any relation between a couple of operators (A,B) having commutator identical to unity, called dual couple in this work, is valuable for any other dual couple, so that from the known translation operator exp(a∂x) one may obtain the explicit form and properties of a category of linear and linear canonical transformations in 2N-phase spaces. Moreover, other forms of LCTs are also obtained in this work as so as the transforms by them of functions by integrations as so as by derivations. In this way, different kinds of LCTs such as Fast Fourier, Fourier, Laplace, Xin Ma and Rhodes, Baker-Campbell-Haussdorf, Bargman transforms are found again.

关键词： Dual Operators Fundamental Law of Operator Calculus Newtonian Binomial and Translation Linear and Linear Canonical Transforms From Fourier to Gauss and LCTs’ Transforms

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Heat shock protein family D member 1 in boar spermatozoa is strongly related to the litter size of inseminated sows

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Journal of Animal Science and Biotechnology 2022年第4期13卷 1045-1055页

作者： Won-Ki Pang Ji-Hyun Son do-Yeal Ryu Md Saidur Rahman Yoo-Jin Park Myung-Geol Pang Department of Animal Science&Technology and BET Research Institute Chung-Ang UniversityAnseongGyeonggi-do 17546Republic of Korea

Background:Sperm quality evaluation is the logical first step in increasing field *** contain cytoplasmic organelles and biomolecules known as sperm-intrinsic factors,which play key roles in sperm maturation,sperm-oocyte fusion,and embryo *** particular,sperm membrane proteins[e.g.,arginine vasopressin receptor 2,beta-actin,prohibitin,and heat shock protein family D member 1(HSPD1)]and RNA could be used as functional indicators of male *** sought to clarify the effects of differential mRNA expression of selected genes on several fertilisation parameters,including sperm motility,motion kinematics,capacitation,and litter size,in a porcine ***:Our results demonstrated that HSPD1 expression was significantly correlated with male fertility,as measured by the litter size of inseminated *** expression of HSPD1 mRNA was linked to sperm motility and other motion kinematic ***,HSPD1 had a 66.7%overall accuracy in detecting male fertility,and the high-litter size group which was selected with the HSPD1 marker had a 1.34 greater litter size than the lowlitter size ***:Our findings indicate that HSPD1 might be a helpful biomarker for superior boar selection for artificial insemination,which could boost field fertility.

关键词： Fertilisation HSPD1 Male fertility Sperm motility Sperm RNA

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On Hyers-Ulam-Rassias Stability of Functional Equations

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Acta Mathematica Sinica,English Series 2008年第3期24卷 353-372页

作者： Byung do KIM Department of Mathematics Kangnung National University Kangnung 210-702 Korea

In this paper, we investigate the stability of functional equation given by the pseudoadditive mappings of the mixed quadratic and Pexider type in the spirit of Hyers, Ulam, Rassias and Gavruta.

关键词： Hyers-Ulam-Rassias stability a functional equation pseudo-additive mappings of the mixed quadratic and Pexider type

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Selection of Coherent and Concise Formulae on Bernoulli Polynomials-Numbers-Series and Power Sums-Faulhaber Problems

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Applied Mathematics 2022年第10期13卷 799-821页

作者： do Tan Si The HoChiMinh-City Physical Association Ho Chi Minh City Vietnam

Utilizing the translation operator to represent Bernoulli polynomials and power sums as polynomials of Sheffer-type, we obtain concisely almost all their known properties as so as many new ones, especially new recursion relations for calculating Bernoulli polynomials and numbers, new formulae for obtaining power sums of entire and complex numbers. Then by the change of arguments from z into Z = z(z-1) and n into λ which is the 1st order power sum we obtain the Faulhaber formula for powers sums in term of polynomials in λ having coefficients depending on Z. Practically we give tables for calculating in easiest possible manners, the Bernoulli numbers, polynomials, the general powers sums.

关键词： Bernoulli Numbers Bernoulli Polynomials Powers Sums Zeta Function Faulhaber Conjecture

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Irreversible electroporation for the management of pancreatic cancer: Current data and future directions

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World Journal of Gastroenterology 2023年第2期29卷 223-231页

作者： Stavros Spiliopoulos Lazaros Reppas Dimitrios Filippiadis Antonella Delvecchio Maria Conticchio Riccar do Memeo Riccardo Inchingolo Second Department of Radiology School of MedicineNational and Kapodistrian University of AthensAthens 12461AttikiGreece Unit of Hepato-Pancreatic-Biliary Surgery “F.Miulli”Regional General HospitalAcquaviva delle Fonti 70021BariItaly Interventional Radiology Unit “F.Miulli”Regional General HospitalAcquaviva delle Fonti 70021Italy

Pancreatic cancer is currently the seventh leading cause of cancer death(4.5%of all cancer deaths)while 80%-90%of the patients suffer from unresectable disease at the time of *** remains poor,with a mean survival up to 15 mo following systemic ***-regional thermal ablative techniques are rarely implemented due to the increased risk of thermal injury to the adjacent structures,which can lead to severe adverse *** electroporation,a promising novel non-thermal ablative modality,has been recently introduced in clinical practice for the management of inoperable pancreatic cancer as a safer and more effective loco-regional treatment *** and initial clinical data are *** review will focus on the basic principles of IRE technology,currently available data,and future directions.

关键词： Pancreatic cancer Interventional oncology Irreversible electroporation Ablation Loco-regional treatment Image-guided treatment

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Obtaining Simply Explicit Form and New Properties of Euler Polynomials by Differential Calculus

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Applied Mathematics 2023年第7期14卷 460-480页

作者： do Tan Si Ho Chi Minh-City Physical Association Ho Chi Minh-City Vietnam

Utilization of the shift operator to represent Euler polynomials as polynomials of Appell type leads directly to its algebraic properties, its relations with powers sums;may be all its relations with Bernoulli polynomials, Bernoulli numbers;its recurrence formulae and a very simple formula for calculating simultaneously Euler numbers and Euler polynomials. The expansions of Euler polynomials into Fourier series are also obtained;the formulae for obtaining all πm as series on k-m and for expanding functions into series of Euler polynomials.

关键词： Obtaining Appell Type Euler Numbers and Polynomials Relations Euler-Bernoulli Polynomials Sums over km Series on k-m Euler Series of Functions

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