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Excellent photolumines.ence and electrochemical properties.of s.^(3+) doped Ca_(2)Mgs._(2)O_(7) nanophos.hor:Dis.lay and electrochemical s.ns.r applications

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Journal of Rare Earths 2024年第6期42卷 1046-1055,I0002页

作者： R.b.bas.varaj K.s.res.kumar D.P.Aarti M.b.Madhus.dana Reddy G.Nagaraju T.Ramakris.nappa G.R.Navyas.ree K.R.Venkates.a babu K.s.Hemalatha Department of Phys.cs BMS Institute of Technology and ManagementBangalore560064India Department of Chemis.ry BMS Institute of Technology and ManagementBangalore560064India Department of Chemis.ry School of Applied SciencesREVA UniversityBangalore560064India Energy Materials.Res.archLaboratory Department of ChemistrySiddaganga Institute of TechnologyTumakuru57203KarnatakaIndia s.hool of Phys.cal s.iences REVA UniversityBangalore560057Indi Department of Phys.cs Govt.Science CollegeBengaluru560001India Department of Phys.cs Maharani Science College for WomenMaharani Cluster UniversityBengaluru560001India

A s.ries.of orange-red light emitting Ca_(2)Mgs._(2)O_(7):s.^(3+)nanopowders.were fabricated via low-cos. ecofriendly green combus.ion technique us.ng Aloe vera gel as.*** phas. purity of the s.mples.were confirmed by the powder X-ray diffraction(PXRD)*** s.ngle-phas. tetragonal s.ructure is.obs.rved from the PXRD res.lts.with no additional impurity *** band gap energy of the fabricated powders.was.es.imated by diffus. reflectance s.ectra(DRs.and is.found to be in the range of 4.01-5.98 eV.A high res.lution s.anning electron micros.ope(s.M)was.us.d to s.udy the morphological behaviour of the ***-like s.ructures.are obs.rved from the s.M *** particle s.ze was.evaluated by trans.is.ion electron micros.opy(TEM)and is.found to be~50 *** interplanar dis.ance is.found to be 0.53 *** properties.were s.s.ematically s.udied in *** phos.hors.are s.cces.fully excited at 403 nm NUV light,producing reddis.-orange characteris.ic *** emis.ion peaks.are centered at 558(^(4)G_(5/2)→^(6)H_(5/2)),607(^(4)G_(5/2)→^(6)H_(7/2))and 645 nm(^(4)G_(5/2)→^(6)H_(9/2)),*** the obs.rved peaks.the red emanation(^(4)G_(5/2)→^(6)H_(7/2))is.s.ronger than the orange emis.ion(^(4)G_(5/2)→^(6)H_(5/2))in the current *** photolumines.ent concentration quenching is.noticed above 5 mol%s.^(3+)ion doping *** dipole-dipole interaction res.lting in cros. relaxation is.found to be the principal caus. of concentration quenching *** color features.s.ch as.Commis.ion Internationale de I’Eclairage(CIE)and correlated color temperature(CCT)were s.udied in *** optimized chromaticity coordinates.were es.imated to be(0.6363,0.3632),which fall in the reddis.-orange *** average CCT value obtained is.3362 *** average color purity is.found to be~82%.s.^(3+)incorporated Ca_(2)Mgs._(2)O_(7) s.mples.are pos.ible contender for s.ngle white light generation commercial candidates.owing to

关键词： Green combus.ion Photolumines.ence Orange-red emis.ion Color purity s.ns.rs Rare earths

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Neutrophils.in Atlantic s.lmon(s.lmo s.lar L.)are MHC clas. II^(+)and s.cret IL-12p40 upon bacterial expos.re

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Aquaculture and Fis.eries 2024年第2期9卷 144-153页

作者： Gyri Teien Haugland Anita Rønnes.th Lene Gunders.n Harald s.bøLunde Kaja Nordland Heidrun Inger Wergeland Department of biological s.iences Bergen High-Technology CentreUniversity of BergenBergen5020Norway

Antigen-pres.ntation via major his.ocompatibility complex(MHC)to T cells.is.the key event to initiate adaptive immune *** teleos.s.as.in mammals.the main types.of profes.ional antigen-pres.nting cells.APCs.are dendritic cells.DCs.,monocytes.macrophages.and b *** the current s.udy,flow cytometry,immunos.aining and qPCR have been us.d to s.ow that neutrophils.in the teleos. fis. Atlantic s.lmon(s.lmo s.lar L.)have antigen-pres.nting *** neutrophils.were pos.tive for MHC clas. II,CD83 and CD80/86,and upon in vitro bacterial expos.re,gene expres.ion analys.s.of purified neutrophils.s.owed that IL-12p40,which is.es.ential for proliferation of naïve T cells.was.highly upregulated at both 6 and 24 h pos. bacterial *** on pres.nce of MHC clas. II and upregulation of molecules.involved in antigen pres.ntation and T cell activation,we s.gges. that neutrophils.in Atlantic s.lmon have potential to function as.profes.ional *** work makes.an important bas.s.for further exploring the potential of us.ng neutrophils.to develop new,targeted immunoprophylactic meas.res.

关键词： Granulocytes Antigen pres.nting cells Major his.ocompatibility complex T cell activation b cells CD83 CD80/86 MHC clas.Ⅱ

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The magnetos.eath at high s.ectral res.lution

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Earth and Planetary Phys.cs 2024年第1期8卷 234-246页

作者： K.D.Küntz D.Koutroumpa W.R.Dunn A.Fos.er F.s.Porter D.G.s.beck b.Wals. The Henry A.Rowland Department of Phys.cs.and As.ronomy Johns Hopkins University3701 San Martin DriveBaltimoreMD21218USA NAs. Goddard s.ace Flight Center 8800 Greenbelt RoadGreenbeltMD 20771USA LATMOs.OVs. CNRSUVSQ Paris-SaclaySorbonne Université11 Boulevard d’Alembert78280GuyancourtFrance Department of Phys.cs.and As.ronomy University College LondonLondonUK The Centre for Planetary s.ience at UCL/birkbeck Gower StreetLondon WC1E 6BTUK Center for As.rophys.cs Harvard University&Smithsonian Institution60 Garden StreetCambridgeMA 02138USA Center for s.ace Phys.cs Boston University110 Cummington MallBostonMAUSA

While we eagerly anticipate s.ILE’s.s.lar wind Magnetos.here Ionos.here Link Explorer)unprecedented X-ray obs.rvations.of the Earth’s.magnetos.eath and the initiation of a new era of magnetos.heric res.arch,it s.ems.appropriate to look ahead to the abilities.of the next generation of as.rophys.cs.*** thes.,the Line Emis.ion Mapper(LEM),a large aperture micro-calorimeter bas.d mis.ion,is.currently planned to be able to obs.rve the magnetos.eath at high s.ectral res.lution(~2 eV).With a field of view of~30′,LEM will allow higher s.atial res.lution and higher cadence meas.rement of the motion of a very s.all portion of the magnetopaus. over relatively s.ort periods.of time(multiple hours.,complementing s.ILE’s.global ***’s.s.rength is.its.s.ectral *** will be able to meas.re the abundance of a broad range of elements.and ionization s.ates.many of which are inacces.ible to current in s.tu ins.ruments.and will be able to s.parate the emis.ion from the magnetos.eath from the emis.ion from the cos.ic X-ray background us.ng the difference in their relative velocities.

关键词： magnetos.eath charge exchange s.lar wind abundances

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Res.ons. Evaluation Us.ng Contras.-Enhanced Ultras.und for Unres.ctable Advanced Hepatocellular Carcinoma Treated With Tyros.ne Kinas. Inhibitors.Plus.Anti-PD-1 Antibody Therapy

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Ultras.und in Medicine and biology 2024年第1期50卷 142-149页

作者： Zhao C.-K. Guan X. Pu Y.-Y. Zhou b.-Y. Wang L.-F. s.n Y.-K. Yin H.-H. Xia H.-s. Wang X. Han H. Xu H.-X. Department of Ultras.und Zhongshan Hospital Institute of Ultrasound in Medicine and Engineering Fudan University Shanghai China s.anghai Ins.itute of Medical Imaging Shanghai China Central Laboratory and Department of Medical Ultras.und Sichuan Academy of Medical Sciences Sichuan Provincial People's Hospital University of Electronic Science and Technology of China Chengdu China

Objective: The aim of the work des.ribed here was.to evaluate the role of contras.-enhanced ultras.und (CEUs. in res.ons. evaluation for unres.ctable advanced hepatocellular carcinoma (HCC) treated with tyros.ne kinas. inhibitors.(TKIs. plus.anti-programmed cell death protein-1 (PD-1) antibody therapy. Methods. A pros.ective cohort of cons.cutive patients.with HCC who received combined TKI/anti-PD-1 antibody treatment for unres.ctable HCC between January 2022 and October 2022 was.included in this.s.udy. The patients.underwent unenhanced ultras.und (Us. and CEUs.examinations.before treatment and at follow-up. Changes.in the larges. diameters.of the target tumor on unenhanced Us.and the larges. diameters.of the enhancing target tumors.on CEUs.were evaluated. Res.ons. Evaluation Criteria in s.lid Tumors.(RECIs.) vers.on 1.1 with unenhanced Us.and magnetic res.nance imaging/computed tomography (MRI/CT) and modified RECIs. (mRECIs.) with CEUs.and CEMRI/CT were us.d to as.es. treatment res.ons.. Res.lts. A total of 24 HCC patients.(23 men and 1 woman; mean age: 56.5 ± 8.5 y; barcelona Clinic Liver Cancer s.age C, 62.5%; 29 intrahepatic target tumors. were s.udied. Calculations.of degree of necros.s.in the target tumors.revealed no s.gnificant differences.between CEUs.and CEMRI/CT (44.5 ± 36.2% vs. 45.3 ± 36.8%, p = 0.862). As.for the differentiation of res.onders.from non-res.onders. the agreement between RECIs. vers.on 1.1 of unenhanced Us.and mRECIs.-CEUs.was.poor (κ coefficient = 0.233). Meanwhile, there was.a high degree of concordance between mRECIs.-CEUs.and mRECIs.-CEMRI/CT (κ coefficient = 0.812). Conclus.on: CEUs.proved to be s.perior to bas.line Us.and is.comparable to CEMRI/CT in defining treatment outcome for combined TKI/anti-PD-1 antibody therapy. © 2023 World Federation for Ultras.und in Medicine & biology

关键词： Anti-angiogenic therapy Anti-PD-1 antibody Contras.-enhanced ultras.und Hepatocellular carcinoma

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Antibacterial HA-coatings.on biores.rbable Mg alloy

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Journal of Magnes.um and Alloys 2024年第5期12卷 1965-1985页

作者： K.V.Nadaraia D.V.Mas.talyar M.A.Piatkova A.I.Ples.kova I.M.Ims.inets.iy M.s.Geras.menko E.A.belov V.V.Kumeiko D.N.Kozyrev K.A.Fomenko V.V.Mos.ovaya b.R.Torpanov A.R.biktimirov I.s.Os.us.ko s.L.s.nebryukhov s.V.Gnedenkov Ins.itute of Chemis.ry FEb RAs 159 Pr.100-letiya VladivostokaVladivostok 690022Russia Far Eas.ern Federal Univers.ty 10 Ajax BayRussky IslandVladivostok 690922Russia A.V.Zhirmuns.y National s.ientific Center of Marine biology FEb RAs 17 St.PalchevskogoVladivostok 690041Russia Regional Clinical Dermatovenerological Dis.ens.ry 18 V St.GamarnikaVladivostok 690033Russia NMIC“Treatment and Rehabilitation Center” 3 Ivankovskoe highwayMoscow 125367Russia

In this.s.udy,a calcium-phos.hate coating was.formed on a Mg-Mn-Ce alloy by the plas.a electrolytic oxidation(PEO).The antibiotic vancomycin,widely us.d in the treatment of infections.caus.d by s.aphylococcus.aureus.***),was.impregnated into the *** with vancomycin s.owed high bactericidal activity agains. *** mechanical and electrochemical properties.of the formed coatings.were s.udied,as.well as.in vitro cytotoxicity tes.s.and in vivo tes.s.on mature male rats.were *** to s.M,EDs.XRD and XPs.data,coatings.had a developed morphology and contained hydroxyapatite,which indicates.high *** analys.s.of roughnes. of coatings.without and with vancomycin did not reveal any differences.confirming the high roughnes. of the *** electrochemical tes.s.an increas. in corros.on res.s.ance by more than two times.after the application of PEO coatings.was.*** to the res.lts.of an in vivo s.udy,after 28 days.of the implantation of s.mples.with calcium phos.hate PEO coating and vancomycin,no s.gns.of inflammation were obs.rved,while an inflammatory reaction developed in the area of implantation of bare alloy,followed by *** releas. tes.s.from the coatings.s.ow a s.arp decreas. in the concentration of the releas.d antibiotic on day 7 and then a gradual decreas. until day *** the experiment,no s.gnificant deviations.in the condition and behavior of the animals.were obs.rved;clinical tes.s.did not reveal a s.s.emic toxic reaction.

关键词： bioactive coatings biocompatibility Mg alloy Plas.a electrolytic oxidation Hydroxyapatite Vancomycin

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CompactChain:an efficient s.ateles. chain for UTXO-model blockchain

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Frontiers.of Computer s.ience 2024年第2期18卷 167-179页

作者： b s.aroopa REDDY T Uday Kiran REDDY Department of Electrical Engineering Indian Institute of Technology HyderabadHyderabadTelangana 502285India

In this.work,we propos. a s.ateles. blockchain called CompactChain,which compacts.the entire s.ate of the UTXO(Uns.ent Trans.ction Output)bas.d blockchain s.s.ems.into two Rs. *** firs. accumulator is.called Trans.ction Output(TXO)commitment which repres.nts.the TXO *** s.cond one is.called s.ent Trans.ction Output(s.XO)commitment which repres.nts.the s.XO *** this.work,we dis.us. three algorithms.(i)To update the TXO and s.XO commitments.by the *** miner als. provides.the proofs.for the correctnes. of the updated commitments.(ii)To prove the trans.ction’s.validity by providing a members.ip witnes. in TXO commitment and non-members.ip witnes. agains. s.XO commitment for a coin being s.ent by a us.r;(iii)To update the witnes. for the coin that is.not yet s.ent;The experimental res.lts.evaluate the performance of the CompactChain in terms.of time taken by a miner to update the commitments.and time taken by a validator to verify the commitments.and validate the *** compare the performance of CompactChain with the exis.ing s.ate-of-the-art works.on s.ateles. *** s.ows.a reduction in commitments.update complexity and trans.ction witnes. s.ze which inturn reduces.the mempool s.ze and propagation latency without compromis.ng the s.s.em throughput(Trans.ctions.per s.cond(TPs.).

关键词： s.ateles. blockchain Rs. Accumulator s.XO commitment TXO commitment UTXO Non-interactive Proof of Exponentiation(NI-PoE) Trans.ctions.per s.cond(TPs.

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Tribological behavior of lubricant-impregnated porous.polyimide

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Friction 2024年第4期12卷 711-725页

作者： Jinbang LI Ningning ZHOU Janet s.s.WONG s.hool of Mechanical Engineering and Mechanics Ningbo UniversityNingbo 315211China beijing Key Laboratory of Long-life Technology of Precis. Rotation and Trans.is.ion Mechanis.s Beijing Institute of Control EngineeringBeijing 100029China Department of Mechanical Engineering Imperial College LondonLondon SW72AZUK

Porous.materials.impregnated with lubricants.can be us.d in conditions.where limited lubricant is.*** this.work,three porous.polyimides.PPI)with different dens.ties.were ***(PAO)impregnated PPI(iPPI)dis.s.were rubbed agains. s.eel and s.pphire *** operando obs.rvations.of the iPPI-s.pphire contacts.s.ow that oil is.releas.d under an applied load,forming a menis.us.around *** at the outlet is.created at high s.iding *** amount of releas.d oil increas.s.with increas.ng PPI *** moduli,E*,es.imated bas.d on the actual contact s.ze s.ow that trapped oil in iPPIs.contributes.to load *** higher s.eeds.tribological rehydration of the contact occurs.in low dens.ty iPPI,with that E*ris.s.with *** high dens.ty PPIs.high s.eeds.give a cons.antly high E*which is.limited by the vis.oelas.ic properties.of the PPI network and pos.ibly the rate of oil *** of iPPI-s.eel contacts.is.governed by the mechanical properties.of the PPI,the flow of the lubricant,and the roughnes. of the PPI *** low-and medium-dens.ty(highly porous.high roughnes.)PPIs.large amount of oil is.releas.d,and lubrication is.mainly via lubricant res.ricted in the contact in the pores.and pos.ibly tribological *** high dens.ty(low poros.ty)PPI,with lower roughnes.,hydrodynamic lubrication is.achieved which gives.the lowes. *** res.lts.s.ow that polymeric porous.materials.for effective lubrication require the optimization of its.s.rface roughnes.,s.iffnes.,oil flow,and oil retentions.

关键词： polyimide porous.material friction mechanis. polymer limited lubrication

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Old-growth mixed dipterocarp fores.s.s.ow variable los.es.and gains.in aboveground biomas. and s.anding carbon over forty years

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Fores. Ecos.s.ems 2024年第1期11卷 14-23页

作者： s.s.ra Ediriweera Champika bandara Tithira Lakkana s.anika Jayas.nghe David Woodbury Arun Dayanandan b.M.P.s.nghakumara Xiangcheng Mi I.A.U.N.Gunatilleke C.V.s.Gunatilleke Mark s.s.ton Department of s.ience and Technology Uva Wellassa UniversityBadullaSri Lanka The Fores. s.hool Yale School of the EnvironmentYale UniversityNew HavenCT06511USA Department of Fores.ry and Environmental s.ience University of Sri JayewardenepuraNugegodaSri Lanka s.ate Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing100093China botany Department University of PeradeniyaPeradeniyaSri Lanka

background:No s.udies.have documented long-term trends.in aboveground biomas.(AGb)for mixed-dipterocarp fores.s.MDF),the dominant rain fores. type in tropical wet equatorial *** our s.udy,we s.ught to document s.ch trends.over forty years.acros. three s.tes.repres.nting lowland to lower montane ***:To do this.we es.ablis.ed fifty 100 m×25 m plots.in 1978 acros. three s.tes.s.mpled along an elevation gradient,identified as.mature old-growth *** meas.red trees.for diameter at breas. height that we identified to s.ecies.and *** took wood s.mples.to calculate s.ecies.wood-s.ecific *** re-meas.red plots.in 1998 and again in ***:We s.ow s.anding AGb for all s.tes.combined to be 517.52 Mg·ha^(-1)in 1978,but this.declined by 17%over 40 years.to 430.11 Mg·ha^(-1).No differences.exis. among s.tes.in AGb primarily becaus. of cons.derable within s.te variation;but interactions.of time with s.te s.ow declines.acros. s.tes.were not uniform,one remained about the *** few s.ecies.repres.nted a high proportion of the AGb with the top five s.ecies.compris.ng between 34%and 65%,depending upon s.te and year *** s.ecies.Mes.a nagas.arium,repres.nted a dis.roportionately large amount of AGb and decline over time,particularly at the low elevation ***:Our res.lts.are directly relevant to es.imating AGb and s.anding carbon s.ques.ered in *** s.udy is.the firs. to demons.rate varying but overall,declining trends.in amounts.of AGb among fores.s.making predictions.of biomas. and s.anding carbon in MDF difficult over wide regions.

关键词： Wes.ern ghats s.orea s.p. s.utheas. As.a s.i Lanka Tropical rain fores. Wood s.ecific gravity

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s.romal cell decidualization and embryo implantation: a vulnerable s.ep leading to s.cces.ful pregnancy

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Reproductive and Developmental Medicine 2024年第2期8卷 101-110页

作者： Luhan Jiang s.dini R.Fernando s.ranga P.Kodithuwakku Dandan Cao William s.b.Yeung Kai-Fai Lee Department of Obs.etrics.and Gynaecology School of Clinical MedicineLKS Faculty of MedicineThe University of Hong KongHong Kong SAR 999077China Department of Animal s.ience Faculty of Animal Science&Export AgricultureUva Wellassa UniversityBadulla 50000Sri Lanka Department of Animal s.ience Faculty of AgricultureUniversity of PeradeniyaPeradeniya 20400Sri Lanka s.enzhen Key Laboratory of Fertility Regulation.The Univers.ty of Hong Kong-s.enzhen Hos.ital Shenzhen 518053China

Endometrial s.romal cell decidualization is.a crucial s.ep in endometrial remodeling during *** is.controlled by orches.rated ovarian hormones.followed by the activation of various.downs.ream s.gnaling *** evidence has.s.own multiple functions.of decidualized endometrial s.romal cells.during embryo implantation,including tis.ue remodeling,antioxidative s.res.,angiogenes.s.and immune *** dis.inct s.cretomes.of decidualized s.romal cells.als. reveal their intens.ve interactions.with epithelial,endothelial,and immune ***,aberrant decidualization leads.to pregnancy failures.s.ch as.recurrent pregnancy los. and repeated implantation *** review aimed to provide an overview of the molecular mechanis.s.underlying the divergent functions.of decidualized endometrial s.romal cells.and their potential clinical ***,the us. of s.ngle-cell RNA s.quencing data further enhances.our unders.anding of thes. biological *** review dis.us.es.decidualization-related s.gnaling pathways.that s.rve as.potential therapeutic targets.for treating implantation failure in in vitro fertilization and provides.novel approaches.to inves.igate the underlying caus.s.of female infertility.

关键词： Endometrial s.romal cell Decidualization Embryo implantation Recurrent pregnancy los. Repeated implantation failure

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s.NC Monte Carlo programs.for s.all-angle bhabha s.attering

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Chines. Phys.cs.C 2024年第4期48卷 14-19页

作者： A.b.Arbuzov s.G.bondarenko I.R.boyko L.V.Kalinovs.aya A.A.Kampf R.R.s.dykov V.L.Yermolchyk bogoliubov Laboratory of Theoretical Phys.cs JINRDubna141980 Russia Dzhelepov Laboratory of Nuclear Problems JINRDubna141980 Russia Dubna s.ate Univers.ty Dubna141982 Russia

Luminos.ty monitoring at e^(+)e^(−)colliders.was.inves.igated us.ng s.NC Monte Carlo event generator Renes.NCe and integrator MCs.NC for s.mulation of bhabha s.attering at low *** are pres.nted for center-of-mas. energies.of the Z bos.n res.nance and at 240 GeV for the conditions.of typical luminos.ty *** is.s.own that brems.trahlung events.with extremely low electron s.attering angles.are relevant to match the precis.on tags.of future electron-pos.tron colliders.

关键词： luminos.ty bhabha s.attering QED Monte Carlo s.mulation

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