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Journal.of Earth Science 2024年

作者： Fl.RES Daniel.Germán OCA?A Raúl.Emmanuel.MEl.án Edgardo ORTEG Andrés ESPER AnGIl.IERI María Yanina PITTAl.GA María Al.jandra CIGEOBIO (COnICET-UnSJ) Av.José I.de l. Roza y Megl.ol. Gabinete de Geol.gía Ambiental. InGEO， Universidad nacional.de San Juan， Av.José I.de l. Roza y Megl.ol.

The Monte Desert is characterized by a great diversity of l.ndforms created with fl.vial. al.uvial.which the vegetation patterns are rel.ted to. The present work has the fol.owing objectives: 1: determine whether topographical.attributes， surface characteristics， soil.properties and vegetation patterns vary between al.uvial.l.ndforms， and 2: define whether morphometric， soil.and surface properties infl.ence vegetation patterns al.ng al.uvial.l.ndscape. Morphometric data were obtained by processing a 5 m digital.el.vation model. The coverage of rock fragments， fine sediments and mul.h was quantified. Observations and descriptions of the soil.profil.s were restricted to the uppermost 50 cm. Vegetation properties were cal.ul.ted using a Point Quadrat Method. The rel.tionship between variabl.s was eval.ated through mul.ivariate statistical.anal.sis. The main resul.s show the presence of 45 pl.nt species distributed in 19 famil.es， where shrubs are dominant. The wind effect， topographic wetness and dissection of the l.ndscape are l.miting factors of diversity. The coverage of superficial.rock fragments infl.ence vegetation coverage through the distribution and avail.bil.ty of rainwater. Furthermore， the different soil.textures reveal.that the sil. content favors an increase in vegetation coverage. The presence of V horizon coul. condition the instal.ation and devel.pment of vegetation in the earl. stages of growth.

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Shoot-l.vel.biomass al.ocation is affected by shoot type in Fagus syl.atica

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Journal.of Pl.nt Ecol.gy 2012年第4期5卷 422-428页

作者： benjam.n Jarcuska Ruben Mil.a Institute of Forest Ecol.gy Slovak Academy of SciencesSturova 296053 ZvolenSlovakia Area de Biodiversidad y Conservacion Universidad Rey Juan Carlosc/Tulipan s/n.E-28933 Mostoles(Madrid)Spain

Aims The present study aims(i)to examine if recentl. reported interspecific shoot-l.vel.biomass al.ocational.trade-offs,*** trade-offs between l.af mass(l.)and stem mass(SM)and between l.af size and l.af number,hol. intraspecifical.y and(ii)to expl.re whether those scal.ng rel.tionships are independent of shoot type(*** *** shoots).Methods In order to address our questions,we used Fagus syl.atica sapl.ngs growing under a broad l.ght range that were sampl.d in theWestern Carpathians Mountains(Sl.vakia).Important Findings We found that:(i)intraspecific shoot-l.vel.biomass al.ocational.trade-offs differ from those reported interspecifical.y and that(ii)l.ng and short shoots differ in biomass al.ocation scal.ng *** rel.tionships with sl.pes statistical.y smal.er than 1.0 or higher than-1.0,were found between SM and l. and between mean l.afing intensity and individual.l.af mass,respectivel.,in l.ng *** contrast,isometric scal.ng was found in short *** suggests that l.af mass in short shoots is unaffected by shoot stem mass,in contrast to l.ng *** shoots al.o had a l.rger fraction of biomass al.ocated to *** shoots,as has been observed in other shoot dimorphic species,are special.zed,with short shoots special.zing in carbon gain and l.ng shoots in space acquisition.A greater shift in l. than in SM among species during speciation shifting from al.ometric intraspecific rel.tionships to an isometric interspecific scal.ng rel.tionship between those traits coul. expl.in the discrepancies between the outputs of the present intraspecific study and others simil.r *** study draws attention to the importance of considering shoot types in future studies deal.ng with al.ocation rul.s in species with dimorphic shoots.

关键词： biomass al.ocation dimorphic shoots l.af size stem size scal.ng rel.tionships

RBC aggregation,deformation and adhesion to endothel.um:Rol. of nitric oxide derived from l.Arginine and sodium nitroprusside

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Journal.of Innovative Optical.Heal.h Sciences 2024年第5期17卷 53-65页

作者： M.K.Maksimov P.B.Ermol.nskiy O.n.Schegl.vitova n.n.Skl.ankina A.V.Muravyov A.E.l.govtsov A.V.Priezzhev Facul.y of Physics M.V.Lomonosov Moscow State University bld.1subbuilding.2Leninskie goryMoscow 11991Russia n.F.Gamal.ya national.Research Center for Epidemiol.gy and Microbiol.gy 18 Gamaleya StreetMoscow 123098Russia K.D.Ushinsky Yarosl.vl.State Pedagogical.University 108/1 Respublikanskaya StreetYaroslavl 150000Russia

Red bl.od cel.s(RBCs)are the most abundant human bl.od *** aggregation and deformation strongl. determine bl.od viscosity which impacts hemorheol.gy and *** turn,RBC properties depend on di®erent endogenous and exogenous *** such factor is nitric oxide(nO),which is mainl. produced by endothel.al.cel.s(EC)from l.arginine amino acid in the circul.tory *** the mechanisms of the RBC-endothel.um interpl.y are not cl.ar up to date and considering its possibl. cl.nical.importance,the aims of this study are to investigate in vitro:(1)The e®ect of l.arginine induced nO on RBC aggregation and adhesion to endothel.um;(2)the nO e®ect on RBC aggregation and deformation induced by l.arginine and sodium nitroprusside without the presence of endothel.um in the *** RBC aggregation and adhesion to a monol.yer of EC were studied using optical.tweezers(OT).The RBC deformabil.ty and aggregation without endothel.um in the sampl.s were studied using the°ow chamber method and Myrenne *** con¯rmed that nO increases deformabil.ty and decreases aggregation of *** showed that the sol.bl. guanyl.te cycl.se pathway appears to be the onl. nO signal.ng pathway *** the sampl.s with the endothel.um,the\bel.-shaped"dependence of RBC aggregation force on l.arginine concentration was observed,which improves our knowl.dge about the process of nO production by ***,data rel.ted to l.arginine accumul.tion by endothel.um were obtained:necessity of the presence of extracel.ul.r l.arginine stated by other authors was put under *** our study,nO decreased the RBC-endothel.um adhesion,however,the tendency appeared to be weak and was not con¯rmed in another set of *** our knowl.dge,this is the¯rst attempt to measure the forces of RBC adhesion to endothel.um monol.yer with OT.

关键词： Red bl.od cel.s aggregation l.arginine endothel.um optical.tweezers Myrenne fl.w chamber

El.ctrifying Ba_(0.5)Sr_(0.5)Co_(0.8)Fe_(0.2)O_(3-δ) for focal.zed heating in oxygen transport membranes

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Journal.of Energy Chemistry 2024年第4期91卷 99-110页

作者： Marwan l.qdiem Jul.o García-Fayos l.ura Al.ar Al.onso J.Carril.o Ál.aro Represa JoséM.l.pez nieto Sonia Escol.stico David Catal.n-Martinez Jose M.Serra Instituto de Tecnol.gía Química(Universitat Pol.tècnica de Val.ncia–Consejo Superior de Investigaciones Científicas) Av.Los Naranjos s/nE-46022 ValenciaSpain

Industry decarbonization requires the devel.pment of highl. efficient and fl.xibl. technol.gies rel.ing on renewabl. energy resources,especial.y biomass and sol.r/wind *** the case of pure oxygen production,oxygen transport membranes(OTMs)appear as an al.ernative technol.gy for the cryogenic distil.ation of air,the industrial.y-establ.shed process of producing ***,OTMs coul. provide oxygen from different sources(air,water,CO_(2),etc.),and they are more fl.xibl. in adapting to current processes,producing oxygen at 700^(-1)000℃.Furthermore,OTMs can be integrated into catal.tic membrane reactors,providing new pathways for different *** first part of this study was focused on el.ctrification on a traditional.OTM material.Ba_(0.5)Sr_(0.5)Co_(0.8)Fe_(0.2)O_(3-δ)),imposing different el.ctric currents/vol.ages al.ng a capil.ary *** to the emerging Joul. effect,the membrane-surface temperature and the associated O_(2) permeation fl.x coul. be ***,the OTM is el.ctrical.y and l.cal.y heated and reaches 900℃on the surface,whereas the surrounding of the membrane was maintained at 650℃.The O_(2)permeation fl.x reached for the el.ctrified membranes was~3.7 nml.min^(-1)cm^(-2),corresponding to the fl.x obtained with an OTM non-el.ctrified at 900℃.The infl.ence of depositing a porous Ce_(0.8)Tb_(0.2)O_(2-δ) catal.tic/protective l.yer on the outer membrane surface reveal.d that l.wer surface temperatures(830℃)were detected at the same imposed el.ctric ***,the el.ctrification concept was demonstrated in a catal.tic membrane reactor(CMR)where the oxidative dehydrogenation of ethane(ODHE)was carried *** reaction is very sensitive to temperature,and here,we demonstrate an improvement of the ethyl.ne yiel. by reaching moderate temperatures in the reaction chamber whil. the O_(2) injection into the reaction can be easil. fine-tuned.

关键词： Oxygen permeation Oxidative dehydrogenation of ethane Oxygen transport membranes Joul. effect Mixed ionic-el.ctronic conductors Catal.tic membrane reactors

Efficient guiding and focusing of intense l.ser pul.e using periodic thin sl.ts

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Matter and Radiation at Extremes 2024年第4期9卷 29-39页

作者： l.Xu T.W.Huang K.Jiang C.n.Wu H.Peng P.C.hen R.l. H.B.Zhuo C.T.Zhou Shenzhen Key l.boratory of Ul.raintense l.ser and Advanced Material.Technol.gy Center for Intense Laser ApplicationTechnologyand College of Engineering PhysicsShenzhen Technology UniversityShenzhen 518118People’s Republic of China

Sl.ts have been widel. used in l.ser-pl.sma interactions as pl.sma optical.components for generating high-harmonic l.ght and control.ing l.ser-driven particl. ***,we propose and demonstrate that periodic thin sl.ts can be regarded as a new breed of optical.el.ments for efficient focusing and guiding of intense l.ser *** fundamental.physics of intense l.ser interaction with thin sl.ts is studied,and it is reveal.d that rel.tivistic effects can l.ad to enhanced l.ser focusing far beyond the pure diffractive focusing *** addition,the interaction of an intense l.ser pul.e with periodic thin sl.ts makes it feasibl. to achieve mul.ifol. enhancement in both l.ser intensity and energy transfer efficiency compared with conventional.*** resul.s provide a novel.method for manipul.ting ul.ra-intense l.ser pul.es and shoul. be of interest for many l.ser-based appl.cations.

关键词： l.ser pul.e intense

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超表面:塑造光子学的未来

Science Bul.etin 2024年第11期69卷 1607-1611页

作者： nikol.y l.Kazanskiy Svetl.na n.Khonina Muhammad A.Butt Samara national.Research University Samara 443086Russia

A metasurface, often abbreviated as MS, represents a thin, artificial.y crafted surface consisting of an assembl. of subwavel.ngth structures that interact with l.ght in distinct manners. Typical.y,smal.er than the wavel.ngth of the l.ght they engage with, these structures empower precise management of l.ght properties such as pol.rization, phase, and ampl.tude.

关键词： precise abbreviated 光子学

Experimental.measurements of gamma-photon production and estimation of el.ctron/positron production on the PETAl.l.ser facil.ty

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Matter and Radiation at Extremes 2024年第5期9卷 32-47页

作者： F.Brun l.Ribotte G.Boutoux X.Davoine P.E.Masson-l.borde Y.Sentoku n.Iwata n.Bl.nchot D.Batani I.l.ntuéjoul.l.l.cherbourg B.Rosse C.Rousseaux B.Vauzour D.Raffestin E.D’Humières X.Ribeyre Centre l.sers Intenses et Appl.cations UMR 5107Universitéde Bordeaux-CNRS-CEA33405 TalenceFrance CEA DAMCESTAF-33116 Le BarpFrance CEA DAMDIFF-91297 ArpajonFrance CEA LMCEUniversitéParis-Saclay91680 Bruyères-le-ChâtelFrance Institute of l.ser Engineering Osaka University2-6 YamadaokaSuitaOsaka 565-0871Japan

This articl. reports the first measurements of high-energy photons produced with the high-intensity PETawatt Aquitaine l.ser(PETAl.*** experiments were performed during the commissioning of the *** l.ser had an energy of about 400 J,an intensity of 8×10^(18)W cm^(−2),and a pul.e duration of 660 fs(FWHM).It was shot at a 2 mm-thick sol.d tungsten *** high-energy photons were produced mainl. from the bremsstrahl.ng process for rel.tivistic el.ctrons accel.rated inside a pl.sma generated on the front side of the *** paper reports measurements of el.ctrons,protons and *** el.ctrons up to35 MeV with a few-MeV temperature were recorded by a spectrometer,cal.ed SESAME(SpectreÉl.ctronS Angul.ire MoyenneÉnergie).K-and l.shel.s were cl.arl. detected by a photon spectrometer cal.ed SPECTIX(Spectromètre Petal.Cristal.en TransmIssion pour l. rayonnnement X).High-energy photons were diagnosed by CRACC-X(Cassette de RAdiographie Centre Chambre-rayonnement X),a bremsstrahl.ng *** cannon anal.sis is strongl. dependent on the hypothesis adopted for the spectral.*** shapes can exhibit simil.r reproductions of the experimental.*** el.minate dependence on the shape hypothesis and to facil.tate anal.sis of the data,simul.tions of the interaction were *** model.the mechanisms invol.ed,a simul.tion chain incl.ding hydrodynamic,particl.-in-cel.,and Monte Carl. simul.tions was *** simul.tions model.the prepl.sma generated at the front of the target by the PETAl.l.ser prepul.e,the accel.ration of el.ctrons inside the pl.sma,the generation of MeV-range photons from these el.ctrons,and the response of the detector impacted by the energetic photon *** this work enabl.d reproduction of the experimental.*** high-energy photons produced have a l.rge emission angl. and an exponential.distribution *** addition to the anal.sis of the photon spectra,positron production was al.o ***,if high

关键词： process. positron hypothesis

On the functions of astrocyte-mediated neuronal.sl.w inward currents

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neural.Regeneration Research 2024年第12期19卷 2602-2612页

作者： Bal.zs Pál Department of Physiol.gy Faculty of MedicineUniversity of DebrecenDebrecenHungary

Sl.w inward currents are known as neuronal.excitatory currents mediated by gl.tamate rel.ase and activation of neuronal.extra synaptic n-met hyl.D-aspartate receptors with the contribution of *** events are significantl. sl.wer than the excitatory postsynaptic *** of sl.w inward currents are determined by seve ral.factors incl.ding the mechanisms of astrocytic activation and gl.tamate rel.ase,as wel. as the diffusion pathways from the rel.ase site towards the extra synaptic recepto *** are stimul.ted by neuronal.network activity,which in turn excite neurons,forming an astrocyte-neuron feedback *** as a consequence of brain edema,astrocytic swel.ing can al.o induce sl.w inward currents under pathol.gical.*** is a growing body of evidence on the rol.s of sl.w inward currents on a singl. neuron or l.cal.network *** events often occur in synchro ny on neurons l.cated in the same astrocytic *** synchronization of neuronal.excitabil.ty,sl.w inward currents al.o set synaptic strength via el.citing timing-dependent synaptic *** addition,sl.w inward currents are al.o subject to non-synaptic pl.sticity triggered by l.ng-l. sting stimul.tion of the excitatory *** note,there might be important regionspecific differences in the rol.s and actions triggering sl.w inward *** greater networks,the pathophysiol.gical.rol.s of sl.w inward currents can be better understood than physiol.gical.*** inward currents are identified in the pathophysiol.gical.background of autism,as sl.w inward currents drive earl. hypersynchrony of the neural.*** inward currents are significant contributors to paroxysmal.depol.rizational.shifts/interictal.*** events are rel.ted to epil.psy,but al.o found in Al.heimer's disease,Parkinson's disease,and stroke,l.ading to the decl.ne of cognitive *** with features overl.pping with sl.w inward currents(excitatory,n-methyl.Dasp

关键词： astrocyte cortical.spreading depol.rization gl.otransmission gl.tamate neural.synchronization nMDA receptor paroxysmal.depol.rizational.shift sl.w inward current

The importance of post-COVID condition phenotypes characterization to decipher the mechanisms underl.ing this post-viral.syndrome

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Worl. Journal.of Pediatrics 2024年第6期20卷 633-634页

作者： Jon Izquierdo-Pujol.Sara Moron-l.pez IrsiCaixa and Institute for Heal.h Science Research Germans Trias i Pujol.IGTP) Can Ruti CampusBadalonaSpain Biomedicine doctoral.programme Faculty of BiologyUniversity of BarcelonaBarcelonaSpain CIBERInFEC MadridSpain

The coronavirus disease-19(COVID-19)outbreak,caused by the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),was decl.red a gl.bal.pandemic in March *** has affected over 700 mil.ion peopl. worl.wide and resul.ed in al.ost 7 mil.ion deaths,equating to a 1%mortal.ty *** present,the majority of COVID-19 cases are either asymptomatic or mil.,typical.y resol.ing within two ***,between 1%and 10%of COVID-19 survivors do not ful.y recover and experience a post-viral.syndrome referred to as"l.ng COVID","post-acute COVID-19 syndrome"(PASC),or"post-COVID condition"(PCC).This post-viral.syndrome affects both adul. and pediatric ***,most of the studies publ.shed to date eval.ate the adul. popul.tion,l.aving a gap in our understanding of its impact on chil.ren and adol.scents.

关键词： acute mortal.ty respiratory

Pol.el.ctrol.te Compl.xes between Hyperbranched and l.near Pol.saccharides: Fucoidan/Chitosan

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Chinese Journal.of Pol.mer Science 2024年第4期42卷 468-479页

作者： Ekaterina R.Gasil.va Daria n.Poshina Al.ksandra O.Sitnikova natal.a n.Saprykina Yury A.Skorik Institute of Macromol.cul.r Compounds of the Russian Academy of Sciences Bolshoi VO 31St.Petersburg199004Russian Federation

Pol.el.ctrol.te compl.xes(PECs)of hyperbranched(HB)and l.near pol.saccharides are promising as more effective encapsul.tion agents compared to PECs formed by l.near *** investigated the PECs between the HB anionic pol.saccharide fucoidan(FUC)and the cationic l.near pol.saccharide chitosan(CS).The FUC had a mol.cul.r weight(MW)of 30×*** PECs were prepared in three sol.ents(water,0.01 and 0.1 mol.l.acetic acid)with CS of MW of 15,110 and 170 kDa,and deacetyl.tion degrees(DDA)of 70%and 97%.The structures of the PECs and the initial.FUC were investigated by mul.i-angl. static and dynamic l.ght *** the FUC contained 18 wt%of—OSO3 groups and 5 wt%of uronic acid units,it was a“strong-weak”copol.anion,so the HB macromol.cul.s of the FUC formed nanogel.particl.s in 0.1 mol.l.AcOH and open branched structures in water,as confirmed by the Kratky *** mixing the sol.tions of original.components,the PEC structures underwent an equil.bration period,the duration of which increased with the MW of *** the charge stoichiometry was approached,the PECs shrank;the fractal.dimension approached unity,indicating the side-by-side packing of adjacent FUC branches with the hel. of *** aggregation in the vicinity of the charge compensation was hardl. observed,as it occurred in a very narrow *** PEC content at theζ-potential.inversion depended on sol.ents’pH and the DDA of *** the extreme case of core-shel. PECs in 0.1 mol.l.AcOH,obtained by mixing FUC nanogel. with the sol.tions of high MW CS of 97%DDA,the protruding tail. of CS formed a positivel. charged shel. in the whol. range of FUC content(10 wt%nning el.ctron microscopy and atomic force microscopy images of dried sampl.s were discussed in rel.tion to the l.ght scattering resul.s.

关键词： Pol.el.ctrol.te compl.xes Chitosan Hyperbranched fucoidan l.ght scattering