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Fe-n.(x) sites coupled with core-shell FeS@C n.n.particles to boost the oxygen.catalysis for rechargeable Zn.air batteries

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Journ.l of En.rgy Chemistry 2024年第3期90卷 565-577,I0013页

作者： Katam Srin.vas Zhuo chen An.an.chen Fei Ma Min.-qian. Zhu Yuan.u chen School of In.egrated Circuit Scien.e an. En.in.erin. and State Key Laboratory of Electronic Thin Films and Integrated DevicesUniversity of Electronic Science and Technology of ChinaChengdu 610054SichuanChina College of Mechan.cal an. Electron.c En.in.erin. Northwest A&F UniversityYangling 712100ShaanxiChina School of Materials an. En.rgy Yunnan UniversityKunming 650091YunnanChina

The developmen. of efficien. sin.le-atom catalysts(SACs) for the oxygen.reduction.reaction.ORR)remain. a formidable challen.e,primarily due to the symmetric charge distribution.of metal sin.leatom sites(M-n.(4)).To address such issue,herein.Fe-n.(x) sites coupled syn.rgistic catalysts fabrication.strategy is presen.ed to break the un.form electron.c distribution.thus en.an.in. the in.rin.ic catalytic ***,atomically dispersed Fe-n.(x) sites supported on.n.S-doped mesoporous carbon.n.C)coupled with FeS@C core-shell n.n.particles(FAS-n.C@950) is syn.hesized by a facile hydrothermal reaction.an. subsequen. *** to the presen.e of an.in.situ-grown.con.uctive graphitic layer(shell),the FeS n.n.particles(core) effectively adjust the electron.c structure of sin.le-atom Fe sites an. facilitate the ORR kin.tics via short/lon.-ran.e couplin. ***,FAS-n.C@950displays a more positive half-wave poten.ial(E_(1/2)) of 0.871 V with a sign.fican.ly boosted ORR kin.tics(Tafel slope=52.2 mV dec^(-1)),outpacin. the commercial Pt/C(E_(1/2)=0.84 V an. Tafel slope=54.6 mV dec^(-1)).As a bifun.tion.l electrocatalyst,it displays a smaller bifun.tion.l activity parameter(ΔE) of 0.673 V,surpassin. the Pt/C-RuO_(2) combin.tion.ΔE=0.724 V).Besides,the FAS-n.C@950-based zin.air battery(ZAB) displays superior power den.ity,specific capacity,an. lon.-term cyclin. performan.e to the Pt/C-Ir/C-based *** work sign.fican.ly con.ributes to the field by offerin. a promisin. strategy to en.an.e the catalytic activity of SACs for ORR,with poten.ial implication. for en.rgy con.ersion.an. storage techn.logies.

关键词： Fe-n.(x)sites Core-shell FeS@C Syn.rgistic in.eraction. Oxygen.reduction.reaction Zn.air battery

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Commen.ary on.Desialylated Platelets Main.ain.Immun. Quiescen.e through Regulatin. Kupffer Cells”

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Research 2024年第3期6卷 621-623页

作者： chen Li Craig n.Morrell Aab Cardiovascular Research In.titute University of Rochester School of Medicine and DentistryRochesterNYUSA Departmen. of Pharmacology an. Physiology University of Rochester School of Medicine and DentistryRochesterNYUSA Departmen. of Medicin. University of Rochester School of Medicine and DentistryRochesterNYUSA Departmen. of Microbiology an. Immun.logy University of Rochester School of Medicine and DentistryRochesterNYUSA Departmen. of Pathology an. Laboratory Medicin. University of Rochester School of Medicine and DentistryRochesterNYUSA.

Platelets have lon. been.studied for their roles in.hemostasis an. vascular in.ury repair. However, there is a con.in.ally evolvin. an. deepen.n. un.erstan.in. that platelets in.tiate an. regulate respon.es to tissue in.ury an. pathogen., leadin. to platelets n.w bein. con.idered immun. modulatory cells [1]. Platelets actively participate in.host immun. respon.es directly through pathogen.en.ulfin. an. killin., or by regulatin. both in.ate an. adaptive immun. respon.es to in.ection.or tissue in.ury [2]. Activated platelets promote in.lammatory respon.es to tissue in.ury or in.ection.by direct con.act depen.en. in.eraction. with immun. cells an. through in.irect in.eraction. via released soluble factors. However, mice that are deficien. in.platelets have skewed T helper cell differen.iation.[3] an. in.reased vascular permeability [4], implyin. poorly defin.d roles for platelets in.main.ain.n. healthy immun. homeostasis.

关键词： Platelet homeostasis Immun.

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A core-satellite self-assembled SERS aptasen.or con.ain.n. a“biological-silen. region.Raman.tag for the accurate an. ultrasen.itive detection.of histamin.

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Food Scien.e an. Human.Welln.ss 2024年第2期13卷 1029-1039页

作者： chen chen Yin.fan. Zhan. Ximo Wan. Xuguan. Qiao Geoffrey I.n.Waterhouse Zhixian. Xu Key Laboratory of Food Processin. Techn.logy an. Quality Con.rol in.Shan.on. Provin.e College of Food Science and EngineeringShandong Agricultural UniversityTai’an 271018China School of Chemical Scien.es The University of AucklandAuckland 1142New Zealand

Herein.a n.vel in.erferen.e-free surface-en.an.ed Raman.spectroscopy(SERS)strategy based on.magn.tic n.n.particles(Mn.s)an. aptamer-driven.assemblies was proposed for the ultrasen.itive detection.of histamin..A core-satellite SERS aptasen.or was con.tructed by combin.n. aptamer-decorated Fe_(3)O_(4)@Au Mn.s(as the recogn.ze probe for histamin.)an. complemen.ary Dn.-modified silver n.n.particles carryin. 4-mercaptoben.on.trile(4-MBn.(Ag@4-MBn.Ag-c-Dn.)as the SERS sign.l probe for the in.irect detection.of *** an.applied magn.tic field in.the absen.e of histamin.,the assembly gave an.in.en.e Raman.sign.l at“Raman.biological-silen.”region.due to *** the presen.e of histamin.,the Ag@4-MBn.Ag-c-Dn. SERS-tag was released from the Fe_(3)O_(4)@Au Mn.s,thus decreasin. the SERS *** optimal con.ition.,an.ultra-low limit of detection.of 0.65×10^(-3)n./mL an. a lin.ar ran.e 10^(-2)-10^5 n./mL on.the SERS aptasen.or were *** histamin. con.en. in.four food samples were an.lyzed usin. the SERS aptasen.or,with the results con.isten. with those determin.d by high performan.e liquid *** presen. work highlights the merits of in.irect strategies for the ultrasen.itive an. highly selective SERS detection.of small biological molecules in.complex matrices.

关键词： Surface-en.an.ed Raman.spectroscopy Raman.biological-silen. region Aptamer Histamin. detection Un.versal SERS-tag

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Flat Zn.deposition.at battery an.de via an.ultrathin.robust in.erlayer

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n.n. Research 2024年第9期17卷 8104-8111页

作者： Yizhou Wan. Jian.u chen Zibo chen Qian.He Zhen.n.n.Tian.Jin.Zhao Yan.en.Ma Husam n.Alshareef Materials Scien.e an. En.in.erin. King Abdullah University of Science and Technology(KAUST)Thuwal 23955-6900Saudi Arabia State Key Laboratory of Organ.c Electron.cs an. In.ormation.Displays(KLOEID)an. Jian.su Key Laboratory for Biosen.ors Institute of Advanced Materials(IAM)Nanjing University of Posts and TelecommunicationsNanjing 210023China Suzhou Vocation.l In.titute of In.ustrial Techn.logy Suzhou 215104China

Rechargeable aqueous zin.(Zn.ion.batteries(AZIBs)usin. low-cost an. safe Zn.metal an.des are con.idered promisin. can.idates for future grid-scale en.rgy storage systems,but the Zn.den.rite problem severely hin.ers the further prospects of *** Zn.depositin. behaviors toward horizon.al align.en. is highly effective an. thus has received huge ***,such a strategy is usually based on.previous substrate en.in.erin.,which requires complex preparation.or expen.ive ***,it is essen.ial to develop a n.vel solution.that can.realize horizon.ally align.d Zn.flake deposition.via easy operation.an. low ***,we report an.ultrathin.an. robust Kevlar membran. as the in.erlayer to mechan.cally suppress Zn.den.rite *** to the ran.omly distributed flaky den.rites in.the con.rol group,the deposited Zn.sheets would grow in.o parallel align.en. with the existen.e of such *** the den.rites are effectively suppressed,Zn.|Cu asymmetric,Zn.|Zn.symmetric,an. Zn.|Mn._(2)full batteries usin. Kevlar in.erlayer deliver sign.fican.ly improved cyclin. ***,the Zn.|Mn._(2)pouch cell usin. a Kevlar in.erlayer delivers stable cyclin. performan.e an. shows stable operation.durin. multi-an.le *** believe this work provides a n.w possibility for regulatin. Zn.deposition.from a crystallographic perspective.

关键词： Zn.metal an.des Zn.den.rites aqueous Zn.ion.batteries den.rite suppression (002)crystal plan.

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Hollow ZIF-67-derived Co@n.doped carbon.n.n.tubes boostin. the hydrogen.tion.of phen.lic compoun.s to alcohols

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Chin.se Journ.l of Chemical En.in.erin. 2024年第2期66卷 157-166页

作者： Zhihao Guo Jiuxuan.Zhan. Lan.an.chen chaoqun.Fan.Hon. Jian. Rizhi chen State Key Laboratory of Materials-Orien.ed Chemical En.in.erin. Nanjing Tech UniversityNanjing 211816China

The selective hydrogen.tion.of highly toxic phen.lic compoun.s to gen.rate alcohols with thermal stability,en.iron.en.al frien.lin.ss,an. n.n.toxicity is of great ***,a series of Co-based catalysts,n.med Co@n.n.s,were design.d an. con.tructed by direct pyrolysis of hollow ZIF-67(HZIF-67)un.er H_(2)/Ar *** evolution.of the catalyst surface from the shell layer assembled by ZIF-67-derived particles to the in.situ-grown.hollow n.trogen.doped carbon.n.n.tubes(n.n.s)with certain.len.th an. den.ity is achieved by adjustin. the pyrolysis atmosphere an. *** to the syn.rgistic effects of in.situ-formed hollow n.n.s,well-dispersed Co n.n.particles,an. in.act carbon.matrix,the as-prepared Co@n.n.s-0.10-450 catalyst exhibits superior catalytic performan.e in.the hydrogen.tion.of phen.lic compoun.s to *** turn.ver frequen.y value of Co@n.n.s-0.10-450is 3.52 h^(-1),5.9 times higher than.that of Co@n.n.s-0.40-450 an. 4.5 times higher than.that of Co@n.n.s-0.10-550,exceedin. most previously reported n.n.n.ble metal *** fin.in.s provide n.w in.ights in.o the developmen. of n.n.precious metal,efficien.,an. cost-effective metal-organ.c framework-derived catalysts for the hydrogen.tion.of phen.lic compoun.s to alcohols.

关键词： Phen.lic compoun.s Hollow ZIF-67 pyrolysis n.trogen.doped carbon.n.n.tubes Reduction Multiphase reaction Catalysis

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n.dopin. offerin. higher photodegradation.performan.e of dissolved black carbon.for organ.c pollutan.s: experimen.al an. theoretical studies

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Journ.l of Zhejian. Un.versity-Scien.e A(Applied Physics & En.in.erin.) 2024年第4期25卷 340-356页

作者： Yon. GUO Men.xia chen Tin. chen Yin. GUO Zixuan.XU Guowei XU Soukthakhan. SIn.On.SACK Keophoun.eun.KAn.An. Key Laboratory of In.egrated Regulation.an. Resource Developmen. on.Shallow Lakes Ministry of EducationCollege of EnvironmentHohai UniversityNanjing 210093China Key Laboratory of En.iron.en.al En.in.erin. of Jian.su Provin.e Jiangsu Provincial Academy of Environmental ScienceNanjing 210036China State Key Laboratory of Pollution.Con.rol an. Resource Reuse Nanjing UniversityNanjing 210023China Cen.ral En.iron.en.al Laboratory Natural Resources and Environment Research InstituteMinistry of Natural Resources and EnvironmentVientiane 999012Laos

We in.estigated the in.luen.e mechan.sm of n.dopin. for dissolved black carbon.DBC)photodegradation.of organ.c *** degradation.performan.e of n.doped dissolved black carbon.n.BC)for tetracyclin.(TC)(71%)is better than.that for methylen. blue(MB)(28%)un.er *** levels are both better than.DBC degradation.performan.es for TC(68%)an. MB(18%)un.er *** species quen.hin. experimen.s suggest that h an.-O,are the main.reactive species for n.BC photodegraded TC,while-OH an. h*are the main.reactive species for n.BC photodegraded MB.-OH is n.t observed durin. DBC photodegradation.of *** is likely because n.dopin. in.reases valen.e-ban.(VB)en.rgy from 1.55 eV in.DBC to 2.04 eV in.n.BC;the latter is stron. en.ugh to oxidize water to ***,n.dopin. in.reases the DBC ban. gap of 2.29 to 2.62 eV in.n.BC,resultin. in.a higher separation.efficien.y of photo-gen.rated electron.-holes in.n.BC than.in.*** these factors give n.BC stron.er photodegradation.performan.e for TC an. MB than.***-performan.e liquid chromatography-mass spectrometry(HPLC-MS)characterization.an. toxicity evaluation.with the quan.itative structure-activity relation.hip(QSAR)method suggest that TC photodegradation.in.ermediates produced by n.BC have less aromatic structure an. are less toxic than.those produced by *** adopted a theoretical approach to clarify the relation.hip between.the surface groups of n.BC an. the photoactive species *** results add to the un.erstan.in. of the photochemical behavior of n.BC.

关键词： Dissolved black carbon.DBC) n.dopin. Organ.c pollutan.s Ban. gap Photodegradation

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Pyridin.c-n.dopin. carbon.layers coupled with ten.ile strain.of Fen. alloy for activatin. water an. urea oxidation

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Green.En.rgy & En.iron.en. 2024年第4期9卷 684-694页

作者： Guan.fu Qian.Wei chen Jin.i chen Li Yon. Gan.Tian.i Yu Miaojin. Pan.Xiaoyan.Zhuo Shibin.Yin Guan.xi Key Laboratory of Electrochemical En.rgy Materials College of Chemistry and Chemical EngineeringState Key Laboratory of Processing for Non-Ferrous Metal and Featured MaterialsGuangxi University100 Daxue RoadNanning530004China In.titute for Structure an. Fun.tion.an. Departmen. of Physics Chongqing UniversityChongqing400030China

Exploitation.of oxygen.evolution.reaction.OER)an. urea oxidation.reaction.UOR)catalysts with high activity an. stability at large curren. den.ity is a major challen.e for en.rgy-savin. H_(2) production.in.water ***,we use the pyridin.c-n.dopin. carbon.layers coupled with ten.ile strain.of Fen. alloy activated by n.Fe_(2)O_(4)(Fen./n.Fe_(2)O_(4)@n.)for efficien.ly in.reasin. the performan.e of water an. urea *** to the ten.ile strain.effect on.Fen./n.Fe_(2)O_(4)@n.,it provides a favorable modulation.on.the electron.c properties of the active cen.er,thus en.blin. amazin. OER(η_(100)=196 mV)an. UOR(E_(10)=1.32 V)in.rin.ic ***,the carbon.coated layers can.be used as armor to preven. Fen. alloy from bein. corroded by the electrolyte for en.an.in. the OER/UOR stability at large curren. den.ity,showin. high in.ustrial *** work thus provides a simple way to prepare high-efficien.y catalyst for activatin. water an. urea oxidation.

关键词： Carbon.en.apsulated Ten.ile strain Catalyst Oxygen.evolution.reaction Urea oxidation.reaction

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An.in.elligen. active probin. an. trace-back scheme for IoT an.maly detection

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Digital Commun.cation. an. n.tworks 2024年第1期10卷 168-181页

作者： Luyin. Wan. Lin.yi chen n.al n.Xion. An.en. Liu Tian.Wan. Mian.ion. Don. School of Computer Scien.e an. En.in.erin. Central South UniversityChangsha 410083China Departmen. of Computer Scien.e an. Mathematics Sul Ross State UniversityAlpineTX 79830USA Artificial In.elligen.e an. Future n.tworks Beijing Normal University&UICZhuhai 519087China Departmen. of In.ormation.an. Electron.c En.in.erin. Muroran Institute of TechnologyMuroran 050-8585Japan

Due to their simple hardware,sen.or n.des in.IoT are vuln.rable to attack,leadin. to data routin. blockages or malicious tamperin.,which sign.fican.ly disrupts secure data *** In.elligen. Active Probin. an. Trace-back Scheme for IoT An.maly Detection.APTAD)is proposed to collect in.egrated IoT data by recruitin. Mobile Edge Users(MEUs).(a)An.in.elligen. un.upervised learn.n. approach is used to iden.ify an.malous data from the collected data by MEUs an. help to iden.ify an.malous n.des.(b)Recruit MEUs to trace back an. propose a series of trust calculation.methods to determin. the trust of n.des.(c)The last,the n.mber of active detection.packets an. detection.paths are design.d,so as to accurately iden.ify the trust of n.des in.IoT at the min.mum cost of the n.twork.A large n.mber of experimen.al results show that the recruitin. cost an. average an.maly detection.time are reduced by 6.5 times an. 34.33%respectively,while the accuracy of trust iden.ification.is improved by 20%.

关键词： An.maly detection In.ern.t of thin.s In.egratin. data collection Mobile edge users In.elligen.

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Defect en.in.ered electrocatalysts for C-n.couplin. reaction. toward urea syn.hesis

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Chin.se Chemical Letters 2024年第8期35卷 7-14页

作者： Shen.kai Li Yuqin.Zou chen chen Shuan.yin.Wan. Zhao-Qin. Liu Guan.zhou Key Laboratory for Clean.En.rgy an. Materials/Key Laboratory for Water Quality an. Con.ervation.of the Pearl River Delta Ministry of EducationGuangzhou UniversityGuangzhou 510006China State Key Laboratory of Chemo/Bio-Sen.in. an. Chemometrics College of Chemistry and Chemical EngineeringAdvanced Catalytic Engineering Research Center of the Ministry of EducationHunan UniversityChangsha 410082China

Urea is exten.ively used in.agriculture an. chemical in.ustry,an. it is produced on.an.in.ustrial scale from CO_(2)an. Haber-Bosch n._(3)un.er relatively high temperature an. high pressure con.ition.,which deman.s high en.rgy in.ut an. gen.rates masses of carbon.*** con.ersion.of CO_(2)an. n.sources(such as n._(2)^(−),n._(3)^(−),an. n.(2))through electrocatalytic reaction. un.er ambien. con.ition. is a promisin. altern.tive to realize efficien. urea *** n.te,the design.of electrocatalyst is on. of the key factors that can.improve the efficien.y an. selectivity of C-n.couplin. *** en.in.er-in. is an.in.riguin. strategy for regulatin. the electron.c structure an. charge den.ity of electrocatalysts,which en.ows electrocatalysts with excellen. physicochemical properties an. optimized adsorption.en.ergy of the reaction.in.ermediates to reduce the kin.tic *** this min.review,recen. advan.es of defect en.in.ered electrocatalysts in.urea electrosyn.hesis from CO_(2)an. various n.reactan.s are firstly *** discussion. of C-n.couplin. in.these advan.es are presen.ed,with the aim of directin. future in.estigation. on.improvin. the urea ***,the prospects an. challen.es of de-fect en.in.ered electrocatalysts for urea syn.hesis are *** overview is expected to provide in.depth un.erstan.in. of structure-reactivity relation.hip an. shed light on.future electrocatalytic C-n.couplin. reaction..

关键词： Electrocatalysis Defective electrocatalyst Co-reduction C-n.couplin. Urea syn.hesis

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In.ight in.o the mechan.sm of 5-hydroxymethylfurfural electroreduction.to 2,5-bis(hydroxymethyl)furan.over Cu an.hored n.doped carbon.n.n.sheets

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n.n. Research 2024年第9期17卷 7991-7999页

作者： Haoran.Wu Xin.ei chen Haishan.Xu Run.u Yan. Xin.Wan. Jun.in. chen Zhen.in. Xie Lian. Wu Yiyon. Mai School of Chemical En.in.erin. Zhengzhou UniversityZhengzhou 450001China School of Chemistry an. Chemical En.in.erin. Frontiers Science Center for Transformative MoleculesShanghai Key Laboratory of Electrical Insulation and Thermal AgeingShanghai Jiao Tong UniversityShanghai 200240China Departmen. of Chemistry Tangshan Normal UniversityTangshan 063000China

Design.of n.n.n.ble metal electrocatalysts for biomass con.ersion.to high-value chemicals an. un.erstan.in. the related catalytic mechan.sms are of profoun. sign.fican.e but have remain.d a major ***,we developed a n.vel biomass-derived electrocatalyst(den.ted as Cu/n.),featurin. with electron.deficien. copper n.n.particles an.hored on.n.doped carbon.n.n.sheets,for the electrochemical reduction.of 5-hydroxymethylfurfural(HMF)to 2,5-bis(hydroxymethyl)furan.BHMF,a vital precursor of fun.tion.l polymers).The optimized Cu/n. electrocatalyst exhibited an.excellen. performan.e with high Faradaic efficien.y(89.5%)an. selectivity(90.8%)of BHMF at a low con.en.ration.of HMF(18.1 mM).Even.at a very high HMF con.en.ration.108.6 mM),the Faraday efficien.y an. selectivity of BHMF could still reach 74.8%an. 81.1%,*** performan.e approached those of the reported n.ble metal-based *** study revealed that the n.dopin. in.the Cu/n. catalyst could regulate the electron.c structure of Cu,stren.then.n. the adsorption.of the HMF carbon.l group,an. thus boostin. the selectivity of ***,stron. electron.c metal-support in.eraction. of Cu an. the n.doped carbon.support optimized the charge tran.fer rate,thus promotin. the dissociation.of water to the active hydrogen.H^(*))species an. boostin. the reaction.kin.tic rate of H^(*)an. HMF.

关键词： biomass 5-hydroxymethylfurfural electrochemical reduction n.doped carbon.materials 2,5-bis(hydroxymethyl)furan

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