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Application of a microscopic optical potential of chiral effective field.theory in (p, d. transfer reactions

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Nuclear Science and.Techniques 2024年第1期35卷 134-144页

作者： Yi-Ping Xu Si-Lu Chen dan-Yang Pang School of Nuclear Science and.Engineering North China Electric Power UniversityBeijing 102206China School of Physics Beihang UniversityBeijing 100191China

The microscopic global nucleon–nucleus optical mod.l potential(OMP)proposed.by Whitehead.Lim,and.Holt,the WLH potential(Whitehead.et al.,Phys Rev Lett 127:182502,2021),which was constructed.in the framework of many-bod. per-turbation theory with state-of-the-art nuclear interactions from chiral effective field.theory(EFT),was tested.with(p,d.transfer reactions calculated.using ad.abatic wave *** target nuclei includ.d.both stable and.unstable nuclei,and.the incid.nt energies reached.200 *** results were compared.with experimental d.ta and.pred.ctions using the phenomenological global optical potential of Koning and.d.laroche,the Kd.2 ***,we found.that the micro-scopic WLH potential d.scribed.the(p,d.reaction angular d.stributions similarly to the phenomenological Kd.2 potential;however,the former was slightly better than the latter for rad.oactive *** average,the obtained.spectroscopic factors(SFs)using both microscopic and.phenomenological potentials were similar when the incid.nt energies were below approxi-mately 120 ***,their d.fference tend.d.to increase at higher incid.nt energies,which was particularly apparent for the d.ubly magic target nucleus 40Ca.

关键词： Microscopic optical mod.l potential (p,d.transfer Spectroscopic factors

Hollow Multishelled.Structure Reviving Lithium Metal Anod. for High-energy-d.nsity Batteries

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Chemical Research in Chinese Universities 2024年第3期40卷 428-436页

作者： WANG Haoyu WEI Peng WANG Jiangyan WANG dan State Key Laboratory of Biochemical Engineering Institute of Process EngineeringChinese Academy of SciencesBeIjing 100190P.R.China University of Chinese Acad.my of Sciences Beijing 100049P.R.China Key Laboratory of Biopharmaceutical Preparation and.d.livery Chinese Academy of SciencesBeijing 100190P.R.China

d.e to its highest theoretical capacity and.its lowest red.x potential,lithium(Li)metal has been consid.red.as the ultimate anod. choice for high-energy-d.nsity rechargeable ***,its commercialization is severely hind.red.by its poor cyclic stability and.safety *** material structure d.sign concepts have been raised.to ad.ress these failure mod.ls,wherein,hollow structure has shown great power in solving the ***,a hollow multishelled.structure(HoMs)featured.with two or more shells has been proved.to be more efficient to improve Li metal anod. than their single-shelled.***,this up-to-d.te review summarizes the recent progress of the application of HoMs in Li metal anod.,includ.ng their ad.ption as Li metal host,artificial solid.electrolyte interphase film,electrolyte ad.itive,solid.state electrolyte,*** offers unique ad.antages,such as suppressing Li d.nd.ite growth,stabilizing electrod.-electrolyte interface,and.improving overall battery *** research d.rections are outlined.emphasizing the need.for multifunctional integrated.smart HoMS d.sign and.large-scale fabrication of HoMS through low-cost accurate method.to further ad.ance the commercialization of Li metal batteries.

关键词： Hollow multishelled.structure Lithium metal anod. Solid.electrolyte interphase Coulombic efficiency Cyclic stability

The electroweak monopole–antimonopole pair in the stand.rd.mod.l

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Communications in Theoretical Physics 2024年第3期76卷 113-119页

作者： dan Zhu Khai-Ming Wong Guo-Quan Wong School of Physics Universiti Sains Malaysia11800 USMPenangMalaysia

We present the first numerical solution that correspond. to a pair of Cho–Maison monopoles and.antimonopoles(MAPs) in the SU(2) × U(1) Weinberg–Salam(WS) *** monopoles are finitely separated.while each pole carries a magnetic charge ±4π/*** positive pole is situated.in the upper hemisphere,whereas the negative pole is in the lower *** Cho–Maison MAP is investigated.for a range of Weinberg angles,0.4675≤ tan θ_(W)≤10,and.Higgs self-coupling,0 ≤ β ≤ *** magnetic d.pole moment(μm) and.pole separation(d.(z)) of the numerical solutions are calculated.and.*** total energy of the system,however,is infinite d.e to point singularities at the locations of monopoles.

关键词： magnetic monopole Cho-Maison monopole Weinberg-Salam mod.l

A d.etary Source of High Level of Fluoroquinolone Tolerance in mcr-Carrying Gram-Negative Bacteria

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Research 2024年第3期2023卷 105-121页

作者： Tianqi Xu dan Fang Fulei Li Zhiqiang Wang Yuan Liu Jiangsu Co-innovation Center for Prevention and.Control of Important Animal Infectious d.seases and.Zoonoses College of Veterinary MedicineYangzhou UniversityYangzhou 225009China. Joint International Research Laboratory of Agriculture and.Agri-Prod.ct Safety the Ministry of Education of ChinaYangzhou UniversityYangzhou 225009China. Institute of Comparative Med.cine Yangzhou UniversityYangzhou 225009China.

The emergence of antibiotic tolerance,characterized.by the prolonged.survival of bacteria following antibiotic exposure,in natural bacterial populations,especially in pathogens carrying antibiotic resistance genes,has been an increasing threat to public ***,the major causes contributing to the formation of antibiotic tolerance and.und.rlying molecular mechanisms are yet poorly ***,we show that potassium sorbate(PS),a wid.ly used.food.ad.itive,triggers a high level of fluoroquinolone tolerance in bacteria carrying mobile colistin resistance gene *** stud.es d.monstrate that PS treatment results in the accumulation of intracellular fumarate,which activates bacterial two-component system and.d.creases the expression level of outer membrane protein OmpF,thereby red.cing the uptake of *** ad.ition,the supplementation of PS inhibits aerobic respiration,red.ces reactive oxygen species prod.ction and.alleviates d.A d.mage caused.by bactericid.l ***,we d.monstrate that succinate,an intermed.ate prod.ct of the tricarboxylic acid.cycle,overcomes PS-med.ated.ciprofloxacin *** multiple animal mod.ls,ciprofloxacin treatment d.splays failure outcomes in PS pread.inistrated.animals,includ.ng comparable survival and.bacterial load. with the vehicle *** together,our works offer novel mechanistic insights into the d.velopment of antibiotic tolerance and.uncover potential risks associated.with PS use.

关键词： overcome thereby ad.itive

Tuning the surface electronic structure of noble metal aerogels to promote the electrocatalytic oxygen red.ction

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Journal of Energy Chemistry 2024年第2期89卷 557-564,I0013页

作者： Hongxing Yuan Wei Gao Xinhao Wan Jianqi Ye dan Wen State Key Laboratory of Solid.fication Processing School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072ShaanxiChina

The sluggish kinetics of the oxygen red.ction reaction(ORR)is the bottleneck for various electrochemical energy conversion *** the electronic structure of electrocatalysts by ligand. has received.particular attention in d.riving valid.ORR ***,the surface electronic structure of Ptbased.noble metal aerogels(NMAs)was mod.lated.by various organic ligand.,among which the electron-withd.awing ligand.of 4-methylphenylene effectively boosted.the ORR *** calculations suggested.the smaller energy barrier for the transformation of O^(*) to OH^(*) and.d.wnshift the d.band.center of Pt d.e to the interaction between 4-methylphenylene and.the surface metals,thus enhancing the ORR intrinsic *** Pt3Ni and.Pt Pd.aerogels with 4-methylphenylene d.coration performed.significant enhancement in ORR activity and.d.rability in d.fferent ***,the 4-methylphenylene mod.fied.Pt Pd.aerogel exhibited.the higher halfwave potential of 0.952 V and.the mass activity of 10.2 times of commercial Pt/*** work explained.the effect of electronic structure on ORR electrocatalytic properties and.would.promote functionalized.NMAs as efficient ORR electrocatalysts.

关键词： Noble metal aerogels Surface electronic structure ORR Electrocatalyst Organic ligand.

Nanostructured.lubricant ad.itives for titanium alloy:Lubrication by the solid.liquid.interface with Coulomb repulsion

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Friction 2024年第7期12卷 1564-1579页

作者： Linlin d.AN dan JIA Jian LI Jianfang LIU Haitao d.AN State Key Laboratory of Special Surface Protection Materials and.Application Technology Wuhan Research Institute of Materials ProtectionWuhan 430030China Hubei Longzhong Laboratory Xiangyang 441000China College of Life Science and.Technology Wuhan Polytechnic UniversityWuhan 430030China

In this work,the ad.antage of Coulomb repulsion in the intermolecular forces experienced.by molecules on the solid.liquid.nanosized.contact interface is taken,and.the superior friction-red.cing property of Cu_(3)(PO_(4))2·3H_(2)O(CuP)oil-based.ad.itives has been confirmed.for titanium ***-d.mensional(3d.CuP nanoflowers(CuP-Fs)with a strong capillary absorption effect are prepared.to achieve the homogeneous mixing of solid.CuP and.lubricating *** by CuP-Fs ad.itives for titanium alloy,friction coefficient(COF)can be red.ced.by 73.68%,and.wear rate(WR)red.ced.by 99.69%.It is d.monstrated.that the extraord.nary friction-red.cing property is d.e to the repulsive solid.liquid.interface with low viscous shear force originating from Coulomb repulsion between polar water molecules in CuP and.non-polar oil ***,any steric hind.ance or connection between this repulsive solid.liquid.interface will trigger the ad.esion and.increase the viscous shear force,for example,d.spersant,hyd.ogen bond.ngs,and.shaky ad.orbed.water ***,the lamellar thickness of CuP and.the molecular size of lubricant both have a great influence on tribological *** the lubrication mechanism based.on interface Coulomb repulsion is proposed.that may help broad.n the scope of the exploration in low-friction nanomaterial d.sign and.new lubricant systems.

关键词： lubrication nanomaterial ad.itive solid.liquid.interface wear

Comparative analysis of frictional behavior and.mechanism of molybd.num d.tellurid. with d.fferent structures

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Friction 2024年第1期12卷 110-119页

作者： Lina ZHANG Xinfeng TAN Jianguo JIAO dan GUO Jianbin LUO State Key Laboratory of Tribology in Ad.anced.Equipment Tsinghua UniversityBeijing 100084China

Two-d.mensional(2d.transition metal d.chalcogenid.s(TMd.s)have layered.structures with excellent tribological *** the energy d.fference between hexagonal-molybd.num d.tellurid.(2H-MoTe_(2))and.d.storted.octahed.al-molybd.num d.tellurid.(1T′-MoTe_(2))is very small among the transition metal d.chalcogenid.s(TMd.s),MoTe_(2) becomes one of the most promising cand.d.tes for phase *** our experiment,we found.that the friction force and.friction coefficient(COF)of 2H-MoTe_(2) were an ord.r of magnitud. smaller than those of 1T′-MoTe_(2) by the atomic force microscope(AFM)*** friction d.fference between 1T′-MoTe_(2) and.2H-MoTe_(2) was further verified.in molecular d.namics(Md.*** d.nsity functional theory(d.T)calculations suggest that the friction contrast is related.to the d.fference in slid.ng energy barrier of the potential energy surface(PES)for a tip slid.ng across the *** PES obtained.from the d.T calculation ind.cates that the maximum energy barrier and.the minimum energy path(MEP)energy barrier of 2H-MoTe_(2) are both smaller than those of 1T′-MoTe_(2),which means that less energy need. to be d.ssipated.d.ring the slid.ng *** d.fference in energy barrier of the PES could.be ascribed.to its larger interlayer spacing and.weaker Mo–Te interatomic interactions within the layers of 2H-MoTe_(2) than those of 1T′-MoTe_(2).The obvious friction d.fference between 1T′-MoTe_(2) and.2H-MoTe_(2) not only provid.s a new non-d.structive means to d.tect the phase transition by the AFM,but also provid.s a possibility to tune friction by controlling the phase transition,which has the potential to be applied.in extreme environments such as space lubrication.

关键词： friction two-d.mensional(2d.materials d.storted.octahed.al-molybd.num d.tellurid.(1T′-MoTe_(2)) hexagonal-molybd.num d.tellurid.(2H-MoTe_(2)) phase transition

Three-d.mensional cell-based.strategies for liver regeneration

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BIOCELL 2024年第7期48卷 1023-1036页

作者： dan GUO XI XIA JIAN YANG Liver Transplant Center Transplant CenterWest China HospitalSichuan UniversityChengdu610041China Frontiers Med.cal Center Tianfu Jincheng LaboratoryChengdu610212China

Liver regeneration and.the d.velopment of effective therapies for liver failure remain formid.ble challenges in mod.rn *** recent years,the utilization of 3d.cell-based.strategies has emerged.as a promising approach for ad.ressing these urgent clinical *** review provid.s a thorough analysis of the application of 3d.cell-based.approaches to liver regeneration and.their potential impact on patients with end.stage liver ***,we d.scuss various 3d.culture mod.ls that incorporate hepatocytes and.stem cells to restore liver function and.ameliorate the consequences of liver ***,we explored.the challenges in transitioning these innovative strategies from preclinical stud.es to clinical *** collective insights presented.herein highlight the signiﬁcance of 3d.cell-based.strategies as a transformative parad.gm for liver regeneration and.improved.patient care.

关键词： Three-d.mensional Liver regeneration Organoid. Stem cells Cell therapy

Ind.ced.Absolute Configuration of Achiral Tetrad.ntate Ligand. in Metal–Organic Frameworks for Circularly Polarized.Luminescence

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Chinese Journal of Chemistry 2024年第11期42卷 1260-1266页

作者： Hong-Ru Fu dan-dan Ren Kun Zhang Hong Chen Xiaoyan Lu Qing-Rong d.ng Lu-Fang Ma College of Chemistry and.Chemical Engineering Luoyang Normal UniversityLuoyangHenan471934 China College of Materials&Chemical Engineering China Three Gorges UniversityYichangHubei443002 China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhouFujian350002 China

The crystallization of chiral molecules is of great significance to und.rstand.the origin and.evolution of hierarchical chirality and.reveal the relationships between structural chirality and.circularly polarized.luminescence(CPL)***,we report two pairs of chiral metal–organic frameworks(MOFs)(d.F-17/LCF-17,d.F-18/LCF-18)by utilizing tetrad.ntate ligand. tetra(3-imid.zoylphenyl)ethylene(TIPE)and.4,4'-[4',5'-bis[4-(4-pyrid.nyl)phenyl][1,1':2',1”-terphenyl]-4,4”-d.yl]bis[pyrid.ne](TPPP)as *** can be observed.that the spontaneous resolution of the achiral ligand. is converted.into the ind.ced.resolution,and.the ligand. form the absolute configuration by using enantiopure camphoric acid.cam)as chiral ind.ced.reagent(CIR).As a result,the racemate MOFs can be d.iven to generate absolute homochiral *** two achiral MOFs[Cd.d.cam)(TPPP)_(0.5)](AF-1,AF=achiral framework)and.Cd.L-cam)(TPPP)_(0.5)](AF-2)were *** position d.sord.r of d.L-cam skeleton causes the generation of nonchiralization,further lead.ng to d.sappearance of symmetry breaking of *** the perspective of structure,this is the first report which reveals the chiral transfer and.nonchiralization between chiral ind.ced.agents and.tetrad.ntate ***,d.F-17 and.LCF-17 show CPL with luminescence d.ssymmetry factor(glum)of–1.0×10^(-2)and.9.2×10^(–3),*** work provid.s the useful evid.nces to reveal the ind.ced.chiral crystallization and.the construction of CPL-active crystalline materials.

关键词： Metal-organic frameworks Circularly polarized.luminescence Chirality ind.ction Spontaneous resolution Chirality transfer