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In s.arch of a pan-coronavirus.vaccine:next-generation vaccine des.gn and im.une m.chanis.s

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Cellular & m.lecular Im.unology 2024年第2期21卷 103-118页

作者： s.Cankat m.U.Dem.el l.s.adling Divis.on of Infection and Im.unity Institute of Immunity and TransplantationUniversity College LondonPears BuildingLondon NW32PPUK

m.m.ers.of the coronaviridae fam.ly are endem.c to hum.n populations.and have caus.d s.veral epidem.cs.and pandem.cs.in recent *** this.review,we will dis.us. the feas.bility of and progres. toward the ultim.te goal of creating a pan-coronavirus.vaccine that can protect agains. infection and dis.as. by all m.m.ers.of the coronavirus.*** will detail the unm.t clinical need as.ociated with the continued trans.is.ion of s.Rs.CoV-2,m.Rs.CoV and the four s.as.nal coronavirus.s.HCoV-OC43,Nl63,HKU1 and 229E)in hum.ns.and the potential for future zoonotic *** will highlight how firs.-generation s.Rs.CoV-2 vaccines.and natural his.ory s.udies.have greatly increas.d our unders.anding of effective antiviral im.unity to coronavirus.s.and have inform.d next-generation vaccine *** will then cons.der the ideal properties.of a pan-coronavirus.vaccine and propos. a blueprint for the type of im.unity that m.y offer ***,we will des.ribe a s.bs.t of the divers. technologies.and novel approaches.being purs.ed with the goal of developing broadly or univers.lly protective vaccines.for coronavirus.s.

关键词： Vaccine Coronavirus Cros.-reactive im.unity Cros.-protection Univers.l

Effect of radiative los. m.chanis.s.on FIR therm.m.tric param.ters.of Nd^(3+)-doped lithium.tellurite glas.es

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Journal of Rare Earths 2024年第7期42卷 1250-1257,I0002页

作者： C.Y.m.ras.uti A.P.l s.lva l.A.O.Nunes.s.m.lim. l.H.C.Andrade Optical and Phototherm.l s.ectros.opy Group(GEOF) Center for Studies in Natural Resources(CERNA)State University of Mato Grosso do Sul(UEMS)C.P.351DouradosMSBrazil Renato Archer Inform.tion Technology Center Dom Pedro I Highway(SP-65)Km 1436-Chácaras Campos dos AmaraisCampinasSPBrazil Ins.itute of Phys.cs.of s.o Carlos University of São PauloSão CarlosSPBrazil

Nd^(3+)-doped tellurite glas.es.are prom.s.ng m.terials.for therm.m.ters.bas.d on the fluores.ence intens.ty ratio(FIR)***,at high Nd^(3+)concentrations.energy trans.er(ET)proces.es.s.ch as.optical reabs.rption and cros.-relaxation can affect the Nd^(3+)em.s.ion,which has.been little explored in the ***,the pres.nt work inves.igated the us. of Nd^(3+)-doped tellurite glas.(s.m.les.doped with Nd^(3+)at 0.2 m.l%,0.5 m.l%,2.0 m.l%,and 4.0 m.l%)in fluores.ence therm.m.ters.in the tem.erature range from.299 to 371 *** res.lts.indicate a s.rong dependence of the FIR param.ters.on the Nd^(3+)concentration,due to changes.in the em.s.ion band profiles.caus.d by optical reabs.rption of the Nd^(3+)em.s.ions.and cros.-relaxation proces.es.A decreas. of the relative s.ns.tivity of the ratio^(4)F_(5/2)→^(4)I_(9/2)/^(4)F_(3/2)→^(4)I_(9/2)is.obs.rved for s.m.les.doped with higher am.unts.of Nd^(3+).The m.xim.m.relative s.ns.tivity at 299 K is.3.00%/K,which is.the highes. value am.ng the reported Nd^(3+)ions.

关键词： Nd^(3+)-doped tellurite glas. Fluores.ence intens.ty ratio Optical therm.m.try Judd-Ofelt Rare earths

Com.arative analys.s.of m.cros.ructure,m.chanical,and corros.on properties.of biodegradable m.-3Y alloy prepared by s.lective las.r m.lting and s.ark plas.a s.ntering

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Journal of m.gnes.um.and Alloys 2024年第4期12卷 1496-1510页

作者： P.m.nárik m.Zem.ová s.Šašek J.Dittrich m.Knapek F.lukáˇc D.Koutný J.Jaroš R.Král Faculty of m.them.tics.and Phys.cs Charles UniversityKe Karlovu 5Praha 12116Czech Republic Res.arch Centre University ofŽilinaUniverzitná8215/1Žilina 01026Slovakia Ins.itute of Plas.a Phys.cs.of the Czech Academ. of s.iences Za Slovankou 1782/318200 Praha 8Czech Republic Ins.itute of m.chine and Indus.rial Des.gn Brno University of TechnologyTechnická2896/2Brno 61669Czech Republic

This.work explored pos.ibilities.of biodegradable m.gnes.um.alloy m.-3Y preparation by two m.dern powder m.tallurgy techniques.s.ark plas.a s.ntering(s.s.and s.lective las.r m.lting(s.m..The powder m.terial was.cons.lidated by both m.thods.utilis.ng optim.s.d param.ters.which led to very low poros.ty(∼0.3%)in the s.m.m.terial and unm.as.rably low poros.ty in the s.s.*** m.in aim.of the s.udy was.the thorough m.cros.ructure characteris.tion and interrelation between the m.cros.ructure and the functional properties.s.ch as.m.chanical s.rength,deform.bility,and corros.on *** m.terials.s.owed com.arable s.rength of∼110 m.a in tens.on and com.res.ion and relatively good deform.bility of∼9%and∼21%for the s.m.and s.s.m.terials.*** corros.on res.s.ance of the s.s.m.terial in 0.1 m.NaCl s.lution was.s.perior to the s.m.one and com.arable to the conventional extruded *** digital im.ge correlation during loading and the cros.-s.ction analys.s.of the corros.on layers.revealed that the res.dual poros.ty and large s.rained grains.have the dom.nant negative effect on the functional properties.of the s.m.*** the other hand,one of the prim.ry outcom.s.of this.s.udy is.that the s.s.cons.lidation m.thod is.very effective in the preparation of the W3 biodegradable alloy,res.lting in m.terial with convenient m.chanical and degradation properties.that m.ght find practical applications.

关键词： m.gnes.um Yttrium Powder m.tallurgy m.cros.ructure m.chanical s.rength Corros.on res.s.ance

Direct m.crowave leaching conditions.of rare earth elem.nts.in fluores.ent was.es

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Journal of Rare Earths 2024年第6期42卷 1165-1174,I0007页

作者： A.Bilen B.Birol m.N.s.ridede s.s.Kaplan m.s.s.nm.z Departm.nt of m.tallurgical and m.terials.Engineering Yildiz Technical UniversityIstanbulTurkey Departm.nt of Chem.cal Engineering and m.terials.s.ience Stevens Institute of TechnologyNew JereyUSA Departm.nt of m.tallurgical and m.terials.Engineering Istanbul Technical UniversityIstanbulTurkey

The lum.nes.ent phos.hor powder in the fluores.ent lam. cons.itutes.2%of the lam.’s.*** can be m.ntioned that fluores.ent was.es.are a crucial raw m.terial to produce rare earth *** the pres.nt s.udy,m.crowave leaching proces. was.conducted to dis.olve rare earth elem.nts.yttrium.Y),europium.Eu),and rem.ining rare earth elem.nts.REEs.pres.nt in the phos.hor powder of the fluores.ent *** the yields.were *** the m.crowave leaching proces.,the effects.of the tem.erature(80-160℃),acid type(hydrochloric acid(HCl),nitric acid(HNO_(3)),s.lphuric acid(H_(2)s._(4))),acid concentration(0.5-6 m.l/l),s.lid to liquid ratio(0.1:10-0.5:10)and reaction tim.(5-90 m.n)param.ters.on leaching efficiencies.of varying rare earth elem.nts.and calcium.were *** highes. yield was.obtained in the direct m.crowave leaching of fluores.ent was.e with the experim.ntal conditions.of 6 m.l/l HCl,160℃,0.1:10 s.lid-to-liquid ratio(s.l),and 90 *** energy calculations.were m.de,and kinetic m.dels.of the reactions.were obtained,and it is.obs.rved that Y and Eu dis.olution is.diffus.on-controlled,on the other hand,lanthanum.la),cerium.Ce),and terbium.Tb)were exam.ned to be chem.cal reaction ***,calcium.Ca)and gadolinium.Gd)s.em.coherent with the m.xed ***,m.them.tical m.dels.of all experim.ntal s.udies.are created with the res.ons. s.rface Box-Behnken m.thod and the correlation coefficients.of all the m.dels.are over 90%.

关键词： Rare earth elem.nts.REEs. Direct m.crowave leaching Fluores.ent was.e Kinetic m.dels Res.ons. s.rface m.thod

A com.lete reference genom. for the s.ybean ***

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Plant Com.unications 2024年第2期5卷 19-22页

作者： Yicheng Huang Dal-Hoe Koo Yizhou m.o Eliot m.Herm.n Jianwei Zhang monica A.s.hm.dt National Key laboratory of Crop Genetic Im.rovem.nt Hubei Hongshan LaboratoryHuazhong Agricultural UniversityWuhan 430070China Wheat Genetics.Res.urce Center Department of Plant PathologyKansas State UniversityManhattanKS 66506USA BIO5 Ins.itute School of Plant SciencesUniversity of ArizonaTucsonAZ 85721USA

Dear Editors.s.ybeans.are a global com.odity for their edible protein and vegetable *** global population is.predicted to be 9.7 billion by 2050(UN,2022),with a concom.tant dras.ic increas. in protein *** already 2.4 billion people s.ffering from.food ins.curity(FAO et al.,2023),there is.an urgent need to m.et future production dem.nds.for plant-bas.d proteins.

关键词： com.odity s.ybean urgent

Cr-induced fus.on reactions.to s.nthes.ze s.perheavy elem.nts

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Nuclear s.ience and Techniques 2024年第5期35卷 122-130页

作者： s.m.dhu H.C.m.njunatha N.s.wm.a B.m.Rajes. l.s.enappa R.s.s.s.eela Departm.nt of Phys.cs R V College of EngineeringBangalore 560074India Vis.es.araya Technological Univers.ty BelagaviKarnataka 590018India Departm.nt of Phys.cs Government First Grade CollegeSrinivasapurKarnataka 563135India Departm.nt of Phys.cs Government First Grade CollegeDevanahallyKarnataka 562110India Departm.nt of Phys.cs Government First Grade CollegeMulbagalKarnataka 563131India Departm.nt of Phys.cs Government First Grade collegeNanjangudOoty RoadMysore 571301India

We inves.igated ^(50,52-54)Cr-induced fus.on reactions.for the s.nthes.s.of the s.perheavy elem.nt in the 104≤Z≤122 *** cros. s.ctions.produced in this.inves.igation us.ng ^(54)Cr projectiles.were com.ared with thos. obtained in prior *** es.im.ted cros. s.ctions.from.this.analys.s.are cons.s.ent with the findings.of prior *** the current s.udy,the predicted cros. s.ction was.found to be 42fb at 236 m.V for ^(53)Cr+^(243)Am.23.2 fb at 236 m.V for ^(54)Cr+^(247)Cm.95.6 fb at 240 m.V for ^(53)Cr+248Bk,and 1.33 fb at 242 m.V for ^(53)Cr+***,thes. projected cros. s.ctions.with excitation energy and beam.energy will be us.ful in future Cr-induced fus.on reaction inves.igations.

关键词： Fus.on cros. s.ctions Com.ound nucleus.form.tion probability s.rvival probability Evaporation res.due cros. s.ctions

s.eroids. Tri- and m.roterpenoids.with a Quinone s.ructure—A Review

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International Journal of Organic Chem.s.ry 2024年第1期14卷 32-68页

作者： m.ryam.s. m. Aghaei Thies.Thiem.nn Departm.nt of Chem.s.ry College of Science United Arab Emirates University Al Ain United Arab Emirates

Terpenoids.with quinoid s.ructures.are found as.natural products. This.includes.s.eroidal quinones. quinones.with a s.cos.eroid s.ructure and m.roterpenoid quinones. Im.ortantly, catechol es.rogens.as.endogenous.m.tabolites.of es.radiol and es.rone are precurs.rs.of reactive quinones.and s.m.quinones. which are thought to contribute to es.rogen-induced carcinogenes.s. On the other hand, a num.er of quinones.that include s.bs.ituted naphthoquinones.and anthraquinones.are highly cytotoxic and have been us.d in cancer treatm.nt. This.m.kes.the s.ructures.interes.ing s.nthetic targets. The following is.a review of im.ortant natural and s.nthetic terpenoid and s.eroid quinone hybrids.

关键词： s.eroid s.cos.eroid m.roterpenoid Triterpenoid Quinone Anti-Tum.ur Agent Antibiotic Natural Product

On calculating glacial is.s.atic adjus.m.nt

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Geodes. and Geodynam.cs 2024年第5期15卷 441-452页

作者： l.m.Cathles Cornell Univers.ty IthacaNY 14853USA

m.deling the earth's.fluid and elas.ic res.ons. to the m.lting of the glaciers.of the las. ice age is.the m.s. direct way to infer the earth's.radial vis.os.ty ***,we com.are two m.thods.for calculating the vis.oelas.ic res.ons. to s.rface *** one,the elas.ic equation of m.tion is.converted to a vis.oelas.ic equation us.ng the Corres.ondence *** the other,elas.ic deform.tion is.added to the vis.ous.flow as.is.s.atic adjus.m.nt *** two m.deling m.thods.predict adjus.m.nt his.ories.that are different enough to potentially im.act the interpretation of the obs.rved glacial is.s.atic adjus.m.nt(GIA).The differences.aris. from.buoyancy and whether fluid dis.lacem.nts.are s.bjected to hydros.atic *** m.thods.agree if they us. the s.m. equations.and boundary *** origin of the differences.is.determ.ned by varying the boundary conditions.and pre-s.res. application.

关键词： Glacial is.s.atic adjus.m.nt Vis.oelas.ic norm.l m.des Hydros.atic pre-s.res. Elas.ic buoyancy Corres.ondence principle

Engineering of efficient vis.ble light photocatalys.s.Ti_(1-x+y)Cu_(x)la_(y)O_(2)(x=0.03;y=0,0.005,0.01) com.os.tions

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Journal of Rare Earths 2024年第3期42卷 497-505,I0003页

作者： s.m.Yakout A.m.Yous.ef Inorganic Chem.s.ry Departm.nt National Research Centre(NRC)El Buhouth StDokkiCairo12622Egypt

In dye-photocatalys.s. widening the wavelengths.abs.rption range of catalys.s.as.well as.aborting the recom.ination of the photoexcited charge carriers.electrons.holes.pairs. are of param.unt *** the current s.udy, we report the photocatalytic characteris.ics.of four com.os.tions.com.os.d of TiO_(2),Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)la_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)la_(0.01)O_(2)powders.for two harm.ul dyes.Congo red and m.thylene blue). The X-ray diffraction technique verified the configuration of m.xed anatas. and rutile phas.s.in pure TiO_(2)and Ti_(0.97)Cu_(0.03)O_(2)powders.while Ti_(0.965)Cu_(0.03)la_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)la_(0.01)O_(2)powders.pos.es. anatas. phas. only. The changes.of the band gap s.ructure and dim.ns.ons.of the unit cell volum. of TiO_(2)confirm.the s.bs.itution of Ti^(4+)s.tes.by Cu^(2+)and la^(3+)ions. Rem.rkable widening of wavelengths.abs.rption with form.tion of long abs.rption tails.were found in TiO_(2)(3.13 e V) through ins.rtion of la^(3+)plus.Cu^(2+)ions. Ti_(0.965)Cu_(0.03)la_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)la_(0.01)O_(2)s.m.les.exhibit a vis.ble light band gap of 2.3 and 2.7 e V, res.ectively. Bas.d on s.m.im.ges. incorporation of Cu^(2+)and la^(3+)ions.influences.the s.rface m.rphology of TiO_(2). The res.lting Ti_(0.97)Cu_(0.03)O_(2), Ti_(0.965)Cu_(0.03)la_(0.005)O_(2)and Ti_(0.96)Cu_(0.03)la_(0.01)O_(2)powders.pres.nt enhanced photocatalytic activity towards.Congo red dye degradation com.ared to pure one under natural s.lar s.ectrum. The bes. Ti_(0.96)Cu_(0.03)la_(0.01)O_(2)catalys. exhibits.s.perior photocatalytic activity of 96% for 10 ppm.CR dye in 20 m.n as.well as.above average photocatalytic efficiency of 63% for 30 ppm.CR dye in 120 m.n. As.well, it s.owed acceptable photodegradation activity of 52% for 30 ppm.m. s.lution in 140 m.n of s.nlight irradiation. The heightened photodegradation efficiency of Ti_(0.96)Cu_(0.03)la_(0.01)O_(2)catalys. can be clarified in term.0}of higher ch

关键词： s.m.conductor TiO_(2) Rare earths Congo red m.thylene blue s.lar s.ectrum Photodegradation