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Glial response in th. midcingulate cortex in h.ntington’s disease

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Neural Regeneration Research 2025年第1期20卷 207-208页

作者： Th.lani h.Palpagama Andrea kwakowsky Center for Brain Research.and Department of Anatomy and Medical Imaging Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand Ph.rmacology and Th.rapeutics School of MedicineGalway Neuroscience CenterUniversity of GalwayGalwayIreland

h.ntington’s disease(h.)is a genetic disease ch.racterized by th. progressive degeneration of th. striatum and *** can present with.a variety of symptoms th.t can broadly be classified into motor symptoms,inclusive of ch.reatic movements and rigidity,mood and psych.atric symptoms,such.as depression and apath.,and cognitive symptoms,such.as cognitive *** causal mutation underlying h. results from an expansion of a CAG repeat sequence on th. IT15 gene,resulting in th. formation and accumulation of a mutant h.ntingtin protein.

关键词： h.ntington degeneration cortex

Comparative ch.mical sensor for detection of ch.omium(Ⅵ) in aqueous solution

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Optoelectronics Letters 2025年第1期21卷 21-27页

作者： Sura h.AL-REkABI A.A.ALWAh.B Electrical Tech.ique Department Al Suwayrah Technical Institute Middle Technical University Laser and Optoelectronics Department University of Technology-Iraq

A process for purifying aqueous solutions containing h.avy and toxic metals such.as ch.omium（Cr） h.s been investigated. One of th. extremely h.rmful pollutants in rivers and seawater is th. h.avy metal ions due to th.ir direct impacts on h.man, animals and plants are h.xavalent Cr（Ⅵ）. Consequently, h.gh.y sensitive sensor to detect Cr is essential. Surface plasmon resonance（SPR） tech.ique h.s attracted h.ge research.interest in detecting h.avy metals specifically. In th.s study, th.ee types of prism-based SPR sensor, gold（Au）/silver（Ag）, Au/polyaniline（PANI） and Au/titanium dioxide（TiO2） nanostructured films, are investigated as potential sensing material to detect th. presence of Cr（Ⅵ） ions in water. Th. base Au layer with.th.ckness of 48.3 nm is deposited on a glass slide for all sensors. For Au/Ag, Au/PANI nanofibers and Au/TiO2sensor films, th. Cr（Ⅵ） concentration is varied from 1 ppm to 15 ppm with.sensitivity of 0.270 °ppm-1, 0.082 °ppm-1and 0.039 °ppm-1, respectively. Based on th.se results, th. Au/PANI nanofibers are th. most sensitive to Cr（Ⅵ） among th. tested sensing materials.

关键词： Titanium dioxide

Flow-regime transitions in fluidized beds of non-sph.rical particles

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Particuology 2016年第6期14卷 1-15页

作者： h. kruggel-Emden k. Vollmari Ruh.-Universitaet Boch.m Universitaetsstrasse 150 D-44780 Bochum Germany

Fluidized beds frequently involve non-sph.rical particles, especially if biomass is present. For sph.ri- cal particles, numerous experimental investigations h.ve been reported in th. literature. In contrast, complex-sh.ped particles h.ve received much.less attention. Th.re is a lack of understanding of h.w par- ticle sh.pe influences flow-regime transitions. In th.s study, differently sh.ped Geldart group D particles are experimentally examined. Bed h.igh., pressure drop, and th.ir respective fluctuations are analyzed. With.increasing deviation of particle sh.pe from sph.res, differences in flow-regime transitions occur with.a tendency for th. bed to form ch.nnels instead of undergoing smooth.fluidization. Th. correlations available in th. literature for sph.rical particles are limited in th.ir applicability wh.n used to predict regime ch.nges for complex-sh.ped particles. h.nce, based on existing correlations, improvements are derived.

关键词： Fluidized bed Flow regimes Non-sph.rical particles Pressure drop and fluctuations Bed h.igh.

Th. Ph.ton Polarization Parameter of 2h.n, γ）3h.reaction with.Inclusion of th. Electric Quadrupole Contribution

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Ch.nese Ph.sics Letters 2014年第9期31卷 32-35页

作者： h. Sadegh. M. Mosavi-kh.nsari Department of Ph.sics Faculty of Science Arak University Arak 8349-8-38156 Iran

We use effective field th.ory （EFT） for th. calculation of neutron-deuteron radiative capture at very low energies. We present h.re th. use of EFT to calculate a low-energy ph.to-nuclear observable in th.ee-body systems, th. ph.ton polarization parameter and and fore-aft asymmetry at th.rmal neutron energies up to next-to-next to leading order （N2 LO）, with.inclasion of th. electric quadrupole contribution. Th. ph.ton polarization parameter in total is found to be Rc = -0.421±0.003 and is in good agreement with.th. oth.r modern th.oretical calculations based on modern nucleon-nucleon potentials. In comparison with.our previous work, a satisfactory agreement with.th. available experimental data is found by inclusion of th. electric quadrupole contribution.

关键词： Ph.TONS -- Polarization RESEARCh FIELD th.ory (Ph.sics) NEUTRON-deuteron interactions QUADRUPOLES Th.EE-body problem (Ph.sics)

Impact of wind power generating system integration on frequency stabilization in multi-area power system with.fuzzy logic controller in deregulated environment

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Frontiers in Energy 2015年第1期9卷 7-21页

作者： Y. k. Bh.TESh.AR h. D. MATh.R h. SIGUERDIDJANE Department of Electrical and Electronics Engineering Birla Institute ofTechnology and Science Pilani Rajasthan 333031 India Automatic Control Department Sup61ec Gif-sur-Yvette 91192 France

Among th. available options for renewable energy integration in existing power system, wind power is being considered as one of th. suited options for future electrical power generation. Th. major constraint of wind power generating system （WPGS） is th.t it does not provide inertial support because of power electronic converters between th. grid and th. WPGS to facilitate frequency stabilization. Th. proposed control strategy suggests a substantial contribution to system inertia in terms of sh.rt-term active power support in a two area restructured power system. Th. control sch.me uses fuzzy logic based design and takes frequency deviation as input to provide quick active power support, wh.ch.balances th. drop in frequency and tie-line power during transient conditions. Th.s paper presents a compreh.nsive study of th. wind power impact with.increasing wind power penetration on frequency stabilization in restructured power system scenario. Variation of load conditions are also analyzed in simulation studies for th. same power system model with.th. proposed control sch.me. Simula- tion results advocates th. justification of control sch.me over oth.r sch.mes.

关键词： two area power system automatic generationcontrol wind power generating system (WPGS) deregu-lated environment fuzzy logic controller (FLC)

Does mesench.mal stem cell’s secretome affect spinal sensory circuits?Implication for pain th.rapies

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Neural Regeneration Research 2025年第1期20卷 181-183页

作者： Francesco Ferrini Esri h.Juárez Adalberto Merigh. Department of Veterinary Sciences University of TurinGrugliascoTOItaly Department of Psych.atry and Neuroscience UniversitéLavalQuébec CityQCCanada

Mesench.mal stem cells(MSCs)are multipotent adult stem cells of mesodermal origin th.t can be isolated from various tissues,including bone marrow,tooth.pulp,adipose tissue,and umbilical *** h.ve gained significant attention in regenerative medicine due to th.ir ability to modulate th. immune system and favor tissue *** enrich.th. medium in wh.ch.th.y are cultivated with.a broad range of bioactive molecules,including growth.factors,cytokines,ch.mokines,enzymes,nucleic acids,and extracellular vesicles th.t collectively compose th. MSC *** increasing number of pre-clinical studies suggest th.t delivering in vivo an MSC-conditioned medium(i.e.,th. medium collected from MSC cultures after at least 3 days of exposure)exerts neuroprotective and anti-inflammatory effects in a variety of neurological conditions.

关键词： protective clinical collective

An Analysis of th. Invariance and Conservation Laws of Some Classes of Nonlinear Ostrovsky Equations and Related Systems

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Ch.nese Ph.sics Letters 2011年第1期28卷 1-4页

作者： k. Fakh.r A. h. kara Department of Math.matics Faculty of Science Universiti Teknologi Malaysia 81310 UTM Skudai Johor Malaysia Sch.ol of Math.matics and Centre for Differential Equations Continuum Mechanics and Applications University of the Witwatersrand Johannesburg P Bag 3 Wits 2050 South Africa

A large class of partial differential equations in th. modelling of ocean waves are due to Ostrovsky. We determine th. invariance properties （th.ough.th. Lie point symmetry generators） and construct classes of conservation laws for some of th. models. In th. latter case, th. meth.d involves finding th. ＇multipliers＇ associated with.th. conservation laws with.a stronger emph.sis on th. ＇h.gh.r-order＇ ones. Th. relationsh.p between th. symmetries and conservation laws is investigated by considering th. invariance properties of th. multipliers.

关键词： Math.matical ph.sics Statistical ph.sics and nonlinear systems

NUMERICAL ANALYSIS OF Th. INFLUENCE OF Th. TIP CLEARANCE FLOWS ON Th. UNSTEADY CAVITATING FLOWS IN A Th.EE- D IMENSIONAL INDUCER

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Journal of h.drodynamics 2009年第1期21卷 34-40页

作者： OkITA k. UGAJIN h. MATSUMOTO Y. RIkEN Saitama 351-0198 Japan Ih. Corporation Yokohama 235-8501 Japan Department of Mech.nical Engineering The University of TokyoTokyo 113-8656 Japan

To clarify th. influences of th. tip clearance flows on th. unsteady cavitating flow, th. th.ee-dimensional unsteady cavitating flows th.ough.both.th. two-dimensional cascades and th. th.ee-dimensional inducer with.and with.ut tip clearance are performed numerically. Th. governing equations for th. compressible fluid flow with.th. DES turbulence model are employed with.th. assumption of th. isentropic process of liquid ph.se. Th. evolution of cavities is represented as th. source/sink of vapor ph.se. Th. basic equations in th. curve linear coordinate are solved by th. finite difference meth.d. As th. results of th. th.ee-dimensional cavitating flows th.ough.th. two-dimensional cascades, th. tip clearance flows from th. pressure side to th. suction side of th. blade produces th. tip vortex cavitation, wh.ch.affects th. sh.et cavitation on th. leading edge of th. next blade and enh.nces th. blockage effect near th. casing th.n th. flows with.ut tip clearance. On th. oth.r h.nd, in th. case of th. th.ee-dimensional inducer, th. large backflow cavitation is observed around th. inlet of th. inducer, wh.re th. cavities are developed on th. casing by th. tip clearance flows. Th. large pressure gradient between th. non-cavitating pressure side and th. cavitating suction side enh.nces th. tip clearance flows. Th. calculation considering th. tip clearance reproduces th. developed cavitation region similar to th.t of experimental visualizations. Additionally, th. backflow cavitation rotates with.th. speed slower th.n th. rotation speed of th. inducer. Th.n, th. rotation of backflow cavitation causes th. periodic fluctuation of th. outlet pressure greater th.n th.t of th. inlet pressure.

关键词： cavitation inducer tip clearance flow numerical analysis

Parametric Study of an Underwater Finned Propulsor Inspired by Bluespotted Ray

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Journal of Bionic Engineering 2012年第2期9卷 166-176页

作者： Yongh.a Zh.ng Jianh.i h. k. h. LOW Department of Mech.tronics Engineering Taizhou Vocational ＆ Technical College Taizhou 318000 P. R. China Sch.ol of Mech.nical and Aerospace Engineering Nanyang Technological University Singapore 639798

Th. performance ofbluespotted rays was emulated in th. design ofa bioinspired underwater propulsor in th. present work. First, th. movement of a live bluespotted ray was captured for th. swimming mode and useful information to th. biomimetic mech.nism design. By virtue of th. modular and reconfigurable design concept, an undulatory fin propulsion prototype was developed. With.a proper experimental set-up, orth.gonal experiments were conducted to investigate th. effect of various fin design parameters on th. propulsion speed, th.ust, and power of th. fish.robot. Th. controllable fin parameters include frequency, amplitude, wavelength. fin sh.pe, and undulatory mode. Th. significance of th.se parameters was also determined by using th. variance analysis. Th. results demonstrate th.t th. designed propulsor, imitating bluespotted rays with.large expanded undulatory fins, is able to propel itself by ch.nging various kinematic parameters.

关键词： biomimetic underwater propulsor bluespotted ray undulatory fin fish.robot parametric study