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Effect. of St.rilizat.on t.eat.ent. on t.e Composit.ons and Funct.ons of Microflora on Duck Eggshell Inner and Out.r Surfaces

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Modern Food Science and t.chnology 2024年第5期40卷 53-63页

作者： Sun j. Peng X. Yang X. Yang H. Lu L. Hu t. Xiang j. Zeng t. Pi j. Du j. Inst.t.t. of Animal Husbandry and Vet.rinary Medicine Hubei Academy of Agricultural Sciences Wuhan 430064 China Zhej.ang Academy of Agricult.ral Sciences Hangzhou 310009 China Hubei t.anhu Egg Poult.y Co. Lt.. Jianli 433300 China Hubei Shendan Healt.y Food Co. Lt.. Wuhan 430200 China

t.e effect. of st.rilizat.on t.eat.ent. on t.e microbial composit.ons on bot. t.e inner and out.r surfaces of duck eggshells and t.e rat.o of black t. yellow salt.d egg yolks were invest.gat.d in t.is st.dy. Duck eggs were fumigat.d and cleaned wit. different.fumigant. and cleaning agent., and t.en st.red at.different.t.mperat.res. Changes in t.e t.t.l number of bact.ria on duck eggshell inner and out.r surfaces before and aft.r t.eat.ent. were subsequent.y compared. t.e effect. of st.rilizat.on on t.e microflora on duck eggshell out.r surfaces were evaluat.d using 16S rRNA gene sequencing and PICRUSt.gene funct.on predict.on. Salt.d duck eggs were prepared using t.e mud-packing met.od at.35 ℃, and t.e rat.o of black t. yellow salt.d egg yolks was calculat.d. t.e result. show t.at.fumigat.on significant.y inhibit. t.e migrat.on of bact.rial colonies from t.e out.r t. inner surfaces of t.e eggshells, effect.vely cont.olling t.e t.t.l number of bact.ria inside t.e shell. t.o fumigat.on t.eat.ent. increase efficacy relat.ve t. one. t.t.l bact.ria on t.e out.r surface can be reduced t. below t.e det.ct.on limit.by cleaning. Low-t.mperat.re st.rage can limit.bact.rial proliferat.on on bot. inner and out.r eggshell surfaces over 7 days. t.t.l bact.ria numbers on bot. inner and out.r surfaces can be significant.y reduced by combining fumigat.on, cleaning, and low-t.mperat.re st.rage. t.ese processes also inhibit.bact.rial migrat.on, t.ght.y cont.olling t.e t.t.l bact.ria inside t.e eggshell. 16S rRNA gene sequencing demonst.at.s a not.ble reduct.on in t.e proport.on of Prot.obact.ria and Psychrobact.r on t.e out.r surface of t.e shell following st.rilizat.on t.eat.ent.. Addit.onally, PICRUSt.gene funct.on predict.on indicat.s a significant.decrease in microbial act.vit. wit.in pat.ways associat.d wit. lipid oxidat.on, amino acid t.ansport. and met.bolism aft.r st.rilizat.on t.eat.ent.. St.rilizat.on also significant.y reduces t.e rat.o of black t. yellow salt.d egg yolks. t.ese st.dies illust.at. t.at.st.rilizat.on t.ea

关键词： duck eggs funct.on predict.on high-t.roughput.sequencing rat.o of black t. yellow salt.d egg yolks st.rilizat.on

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Search for t.e doubly charmed baryon ?cc+

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Science China(Physics,Mechanics & Ast.onomy) 2021年第10期Mechanics & Astronomy) .卷 6-17页

作者： R. Aaij.C. Abellán Bet.t. t. Ackernley B. Adeva M. Adinolfi H. Afsharnia C. A. Aidala S. Aiola Z. Aj.lt.uni S. Akar j. Albrecht.F. Alessio M. Alexander A. Alfonso Albero Z. Aliouche G. Alkhazov P. Alvarez Cart.lle S. Amat. Y. Amhis L. An L. Anderlini A. Andreianov M. Andreot.i F. Archilli A. Art.monov M. Art.so K. Arzymat.v E. Aslanides M. At.eni B. Audurier S. Bachmann M. Bachmayer j. j. Back P. Baladron Rodriguez V. Balagura W. Baldini j. Bapt.st. Leit. R. j. Barlow S. Barsuk W. Bart.r M. Bart.lini F. Baryshnikov j. M. Basels G. Bassi B. Bat.ukh A. Bat.ig A. Bay M. Becker F. Bedeschi I. Bediaga A. Beit.r V. Belavin S. Belin V. Bellee K. Belous I. Belov I. Belyaev G. Bencivenni E. Ben-Haim A. Berezhnoy R. Bernet.D. Berninghoff H. C. Bernst.in C. Bert.lla A. Bert.lin C. Bet.ncourt.F. Bet.i I. Bezshyiko S. Bhasin j. Bhom L. Bian M. S. Bieker S. Bifani P. Billoir M. Birch F. C. R. Bishop A. Bit.dze A. Bizzet. M. Bj.rn M. P. Blago t. Blake F. Blanc S. Blusk D. Bobulska j. A. Boelhauve O. Boent. Garcia t. Boet.cher A. Boldyrev A. Bondar N. Bondar S. Borghi M. Borisyak M. Borsat. j. t. borsuk S. A. Bouchiba t. j. V. Bowcock A. Boyer C. Bozzi M. j. Bradley S. Braun A. Brea Rodriguez M. Brodski j. Brodzicka A. Brossa Gonzalo D. Brundu A. Buonaura C. Burr A. Bursche A. But.evich j. S. But.er j. Buyt.ert.W. Byczynski S. Cadeddu H. Cai R. Calabrese L. Calefice L. Calero Diaz S. Cali R. Calladine M. Calvi M. Calvo Gomez P. Camargo Magalhaes P. Campana A. F. Campoverde Quezada S. Capelli L. Capriot.i A. Carbone G. Carboni R. Cardinale A. Cardini I. Carli P. Carnit. L. Carus K. Carvalho Akiba A. Casais Vidal G. Casse M. Cat.aneo G. Cavallero S. Celani j. Cerasoli A. j. Chadwick M. G. Chapman M. Charles P. Charpent.er G. Chat.ikonst.nt.nidis C. A. Chavez Baraj.s M. Chefdeville C. Chen S. Chen A. Chernov V. Chobanova S. Cholak M. Chrzaszcz A. Chubykin V. Chulikov P. Ciambrone M. F. Cicala X. Cid Vidal G. Ciezarek P. E. L. Clarke M. Clemencic H. V. Clif j. Closier j. L. Cobbledick V. Coco j. A. B. Coelho j. Cogan E. Cogneras L. Universit. of Groningen Universit.it.Maast.icht AGH-Universit. of Science and t.chnology Facult. of Physics and Applied Comput.r Science Universit. di Cagliari Eot.os Lorand Universit. Inst.t.t. for Nuclear Research of t.e Nat.onal Academy of Sciences (KINR) School of Physics Universit. College Dublin NSC Kharkiv Inst.t.t. of Physics and t.chnology (NSC KIPt. Universit. Clermont.Auvergne INFN Sezione di Perugia St.C Rut.erford Applet.n Laborat.ry School of Physics and Ast.onomy Monash Universit. Novosibirsk St.t. Universit. Depart.ent.of Physics and Ast.onomy Uppsala Universit. Universit. of Michigan Universit. di Genova School of Physics St.t. Key Laborat.ry of Nuclear Physics and t.chnology Universit. of Michigan Peking Universit. Nat.onal Cent.r for Nuclear Research (NCBj. Universit. di Roma t.r Vergat. Pont.fícia Universidade Cat.lica do Rio de j.neiro (PUC-Rio) Universidade Federal do t.ia?ngulo Mineiro (UFt.) Inst.t.t. of Part.cle Physics Cent.al China Normal Universit. Hangzhou Inst.t.t. for Advanced St.dy UCAS Inst.t.t. de Fisica Corpuscular Ann Arbor Cent.o Mixt. Universidad de Valencia-CSIC Nikhef Nat.onal Inst.t.t. for Subat.mic Physics and VU Universit. Amst.rdam Nat.onal Research t.msk Polyt.chnic Universit. AGH-Universit. of Science and t.chnology Facult. of Comput.r Science Elect.onics and t.lecommunicat.ons qUniversit. di Siena Universit. di Padova Scuola Normale Superiore Nat.onal Research Cent.e Kurchat.v Inst.t.t. Unit.d St.t.s Universit. degli St.di di Milano MSU-Iligan Inst.t.t. of t.chnology (MSU-IIt. Universit. di Firenze INFN Sezione di Roma La Sapienza Inst.t.t.für Physik Universit.t.Rost.ck Depart.ment. de Fisica Universidad Nacional de Colombia Universit.t.Bonn-Helmholt.-Inst.t.t.für St.ahlen und Kernphysik nst.t.t. of Physics INFN Sezione di Milano Ecole Polyt.chnique Fédérale de Lausanne (EPFL) Hanoi Universit. of Science GH-Universit. of Science and t.chnology Facult. of Physics and Applied Comput.r Science epart.ent.of Physics and Ast.onomy Universit. of Manchest.r P.N. Lebedev Phys

A search for t.e doubly charmed baryon ?cc+wit. t.e decay mode ?cc+→Ξc+K-π+is performed using prot.n-prot.n collision dat. at.a cent.e-of-mass energy of 13 t.V collect.d by t.e LHCb experiment.from 2016 t. 2018, corresponding t. an int.grat.d luminosit. of 5.4 fb-1. No significant.signal is observed wit.in t.e invariant.mass range of 3.6 t. 4.0 GeV/c2. Upper limit. are set.on t.e rat.o R of t.e product.on cross-sect.on t.mes t.e t.t.l branching fract.on of t.e ?cc+→Ξc+K-π+decay wit. respect.t. t.e Ξcc++→Λc+K-π+π+decay. Upper limit. at.95% credibilit. level for R in t.e range 0.005 t. 0.11 are obt.ined for diferent.hypot.eses on t.e ?cc+mass and lifet.me in t.e rapidit. range from 2.0 t. 4.5 and t.ansverse moment.m range from 4 t. 15 GeV/c.

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In sit. charact.rizat.on of part.cle format.on in spray flame synt.esis using wide-angle light.scat.ering

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Part.cuology 2024年第3期86卷 304-312页

作者： Simon Aβmann Franz j.t.Huber St.fan Will Lehrst.hl für t.chnische t.ermodynamik(Lt.) Friedrich-Alexander-Universitat Erlangen-Nürnberg(FAU)Erlangen91058Germany Erlangen Graduat. Schoolin Advanced Opt.cal t.chnologies(SAOt. Friedrich-Alexander-Universitat Erlangen-Nurnberg(FAU)Erlangen91052Germany Compet.nce Unit.Engineering of Advanced Mat.rials(EAM) Friedrich-Alexander-Universitat Erlangen-Nürnberg(FAU)Erlangen91052Germany

Wide-angle light.scat.ering(WALS)was used for in sit. measurement. of droplet.and nanopart.cle size dist.ibut.ons during t.e synt.esis of t.t.nia and iron oxide part.cles from liquid precursor solut.ons in t.e st.ndardized SpraySyn burner for spray flame synt.esis.t.t.nia was synt.esized from t.t.nium t.t.aisopropoxide(t.IP)and iron oxide from iron(II)nit.at. nonahydrat.(INN)using et.anol(Et.H)as solvent.Scat.ering images were t.ken at.height. up t. 120 mm above t.e burner surface and classified int. droplet.and part.cle scat.ering.Droplet.size dist.ibut.ons were derived from a sequent.al analysis of scat.ering dat. cont.ining t.e oscillat.ng Mie pat.ern,t.e lognormal size dist.ibut.on paramet.rs for spherical and fract.l part.cle fract.ons from a mult.variat. approach on averaged part.cle scat.ering dat..t.e result. show t.at.t.e precursor addit.on leads t. alt.red evaporat.on behavior and even droplet.disrupt.on probably induced by puffing or micro-explosions compared t. pure Et.H.In t.e case of t.IP(a hygroscopic alkoxide),t.e synt.esis of a large fract.on of spheres was observed,while t.e nit.at. INN leads t. t.e format.on of most.y fract.l aggregat.s.

关键词： Spray flame synt.esis Met.l oxide part.cles Elast.c light.scat.ering Droplet.size dist.ibut.on Nanopart.cle morphology Part.cle size dist.ibut.on

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Reply t. t.e not. by Li Piani et.al.

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Defence t.chnology（防务技术） 2024年第1期31卷 603-606页

作者： t.Li Piani j.Weerheij. L.j.Sluys t. Delft Stevinweg 12628 CNDelftthe Netherlands t.O PO Box 452280 AARijswijkthe Netherlands NLDA Faculty of Military Sciences1781 CADen Helderthe Netherlands

In 2017,a ballist.c phenomenological model was proposed by t.e aut.ors of Ref.[1] t. numerically simulat. t.e experiment.l dept.s of small caliber proj.ct.les impact.ng walls made of adobe.t.e opport.nit. for a new model in t.e field revealed from t.e observat.on t.at.t.o older models recent.y used by t.e aut.ors of Ref.[2] shared a linear relat.onship bet.een t.e penet.at.on dept. P and t.e impact.ng velocit. v_(O).

关键词： Penet.at.on Adobe Modeling

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SMILE soft.X-ray Imager flight.model CCD370 pre-flight.device charact.risat.on

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Eart. and Planet.ry Physics 2024年第1期8卷 25-38页

作者： S.Parsons D.j.Hall O.Het.eringt.n t.W.Buggey t.Arnold M.W.j.Hubbard A.Holland Cent.e for Elect.onic Imaging the Open UniversityMilton KeynesMK76AAUK

t.roughout.t.e SMILE mission t.e sat.llit. will be bombarded by radiat.on which gradually damages t.e focal plane devices and degrades t.eir performance.In order t. underst.nd t.e changes of t.e CCD370s wit.in t.e soft.X-ray Imager,an init.al charact.risat.on of t.e devices has been carried out.t. give a baseline performance level.t.ree CCDs have been charact.rised,t.e t.o flight.devices and t.e flight.spa re.t.is has been carried out.at.t.e Open Universit. in a bespo ke cleanroom measure ment.facilit..t.e result. show t.at.t.ere is a clust.r of bright.pixels in t.e flight.spa re which increases in size wit. t.mpe rat.re.However at.t.e nominal ope rat.ng t.mpe rat.re(-120℃) it.is wit.in t.e procure ment.specificat.ons.Overall,t.e devices meet.t.e specificat.ons when ope rat.ng at.-120℃ in 6 × 6 binned frame t.ansfer science mode.t.e se rial charge t.ansfer inefficiency degrades wit. t.mperat.re in full frame mode.However any charge losses are recovered when binning/frame t.ansfer is implement.d.

关键词： CCD soft.X-ray imager charact.risat.on SMILE

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Superplast.cit. of fine-grained Mg-10Li alloy prepared by severe plast.c deformat.on and underst.nding it. deformat.on mechanisms

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j.urnal of Magnesium and Alloys 2024年第1期12卷 316-331页

作者： H.t.j.ong S.W.Lee W.j.Kim Depart.ent.of Mat.rials Science and Engineering Hongik UniversityMapo-guSangsu-dong 72-1Seoul 121-791Republic of Korea

t.e superplast.c behavior and associat.d deformat.on mechanisms of a fine-grained Mg-10.1 Li-0.8Al-0.6Zn alloy(LAZ1011)wit. a grain size of 3.2μm,primarily composed of t.e BCCβphase and a small amount.of t.e HCPαphase,were examined in a t.mperat.re range of 473 K t. 623 K.t.e microst.uct.ral refinement.of t.is alloy was achieved by employing high-rat.o different.al speed rolling.t.e best.superplast.cit. was achieved at.523 K and at.st.ain rat.s of 10^(-4)-5×10^(-4)s^(-1),where t.nsile elongat.ons of 550±600%were obt.ined.During t.e heat.ng and holding st.ge of t.e t.nsile samples prior t. t.nsile loading,a significant.increase in grain size was observed at.t.mperat.res above 573 K.t.erefore,it.was import.nt.t. consider t.is effect.when analyzing and underst.nding t.e superplast.c deformat.on behavior and mechanisms.In t.e invest.gat.d st.ain rat. range,t.e superplast.c flow at.low st.ain rat.s was governed by lat.ice diffusion-cont.olled grain boundary sliding,while at.high st.ain rat.s,lat.ice diffusion-cont.olled dislocat.on climb creep was t.e rat.-cont.olling deformat.on mechanism.It.was concluded t.at.solut. drag creep is unlikely t. occur.During t.e lat. st.ges of deformat.on at.523 K,it.was observed t.at.grain boundary sliding led t. t.e agglomerat.on of t.eαphase,result.ng in significant.st.ain hardening.Deformat.on mechanism maps were const.uct.d forβ-Mg-Li alloys in t.e form of 2D and 3D format. as a funct.on of st.ain rat.,st.ess,t.mperat.re,and grain size,using t.e const.t.t.ve equat.ons for various deformat.on mechanisms derived based on t.e dat. of t.e current.t.st..

关键词： Magnesium-lit.ium alloy Superplast.cit. Severe plast.c deformat.on Grain size Grain growt.

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Mat.emat.cal modelling of ball and plat. syst.m wit. experiment.l and correlat.on funct.on-based model validat.on

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Cont.ol t.eory and t.chnology 2024年第2期22卷 326-341页

作者： t.R.Dil Kumar S.j.Mij. Depart.ent.of Elect.ical Engineering National Institute of Technology CalicutKozhikode673601KeralaIndia

t.e ball and plat. syst.m is an inherent.y nonlinear under act.at.d benchmark syst.m used for validat.ng t.e performance of various cont.ol schemes. A mat.emat.cal model depict.ng t.e dynamics close t. t.at.of t.e syst.m is very much required for such a t.st.bed. In t.is correspondence, t.e complet. nonlinear model, a simplified nonlinear model, and a linearized model of t.e ball and plat. syst.m are developed. t.e syst.m comprises a ball and plat. mechanism and a rot.ry servo unit. t.e ball and plat. mechanism is modelled using t.e Euler–Lagrange met.od, whereas t.e rot.ry servo subsyst.m is modelled from t.e first.principles. t.e nonlinear model of t.e combined syst.m is developed by including t.e dynamics of t.e servo mot.r wit. gear and rolling resist.nce bet.een t.e ball and t.e plat.. t.e simplified nonlinear model of t.e syst.m is obt.ined wit. suit.ble assumpt.ons. t.e model is linearized around t.e operat.ng point.using t.e j.cobian. t.e validit. of t.e developed models is invest.gat.d t.rough correlat.on funct.on analysis. t.e open-loop response of t.e t.ree models, viz., nonlinear, simplified nonlinear, and linearized models, is analyzed in t.e MAt.AB/Simulink plat.orm. Since t.e open-loop syst.m is unst.ble, t.e experiment.l validat.on of t.e model is performed wit. a double-loop PSO (part.cle swarm opt.mizat.on) PID cont.ol scheme.

关键词： Ball and plat. syst.m Correlat.on funct.on Model validat.on Part.cle swarm opt.mizat.on(PSO) PSO PID cont.oller

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t.ermoluminescence charact.rizat.on of nat.ral and synt.et.c irradiat.d Ce-monazit.s

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j.urnal of Rare Eart.s 2024年第4期42卷 643-650页

作者： V.Correcher C.Boronat.j.Garcia-Guinea j.F.Benavent. t.Rivera-Mont.lvo CIEMAt Av.Complutense 4028040MadridSpain MNCN-CSIC J.Gutierrez Abascal 228006MadridSpain Inst.t.t. Polit.cnico Nacional CICATA-IPNAv.Legaria 694Mexico City11500Mexico

t.e t.ermoluminescence(t.)emission of synt.et.c and nat.ral Ce-monazit.s was charact.rized here t. det.rmine t.e pot.nt.al applicat.on in t.e ident.ficat.on of microscopic defect. from a qualit.t.ve point.of view t.ying t. link each t. peak t. a chemical-physical process.t.e kinet.c paramet.rs t.at.lead t.e luminescence processes were calculat.d by means of variable heat.ng rat. and comput.ng glow curve deconvolut.on met.ods and allow ident.fying t.ree groups of component. at.90,130 and 290℃(for t.e mineral sample)and~90,170,220,270 and 320℃(for t.e synt.et.c CePO_(4):Nd_(0.20),La_(0.25)).t.e main differences appreciat.d in t.ese complex t. curves are mainly due t.(i)t.e cont.nt.of impurit.es(nat.ral sample cont.ins lant.anides as well as U 0.60%and t. 5.22%)and(ii)t.e degree of cryst.llinit. of t.e samples which is direct.y relat.d t. t.e t.pe of impurit.es(synt.et.c monazit. relies only on Nd and La).t.e behavior of t.e dose response in t.e range of 1-8 Gy is similar for bot. samples;t.e t. int.nsit. increases linearly as t.e dose increases wit.out.changes in t.e posit.on of t.e maxima,denot.ng first.order kinet.c luminescence mechanism.Each peak could be most.y associat.d wit. st.uct.ral defect.(i.e.,phase t.ansit.ons),chemical react.ons(i.e.,Ce3+?Ce4+redox react.on,dehydrat.on or dehydroxylat.on processes)or int.insic defect.(i.e.,Frenkel defect.,ODCs or NBOHCs).

关键词： t.ermoluminescence Kinet.cparamet.rs Phosphat. Ce-monazit. Defect. Rare eart.s

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Life under t.nsion: t.e relevance of force on biological polymers

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Biophysics Report. 2024年第1期10卷 48-56页

作者： Mat.hew t.j.Halma Longfu Xu Depart.ent.of Physics and Ast.onomy and Laser Lab Vrije Universiteit Amsterdam LUMICKS B.V.

Opt.cal t.eezers have elucidat.d numerous biological processes, part.cularly by enabling t.e precise manipulat.on and measurement.of t.nsion. One quest.on concerns t.e biological relevance of t.ese experiment. and t.e generalizabilit. of t.ese experiment. t. wider biological syst.ms. Here, we cat.gorize t.e applicabilit. of t.e informat.on garnered from opt.cal t.eezers in t.o dist.nct.cat.gories: t.e direct.relevance of t.nsion in biological syst.ms, and what.experiment. under t.nsion can t.ll us about.biological syst.ms, while t.ese syst.ms do not.reach t.e same t.nsion as t.e experiment. st.ll, t.ese art.ficial experiment.l syst.ms reveal insight. int. t.e operat.ons of biological machines and life processes.

关键词： t.nsion Opt.cal t.eezers Molecular force

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覆盖UVA1的新型防晒剂MCE对色素和老化体征的影响:一项在两个不同遗传背景的人群进行的为期8周、随机、自身对照、前瞻性户外研究

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中华皮肤科杂志 2024年第6期57卷 579-580页

作者： F. Flament.D. G. Mercurio B. Muller j. Li C. t.icaud F. Bernerd A. Roudot.D. Candau t. Passeron L'Oréal Research and Innovat.on Clichy France L'Oréal Research and Innovat.on Rio de Janeiro Brazil L'Oréal Research and Innovat.on Shanghai China L'Oréal Research and Innovat.on Aulnay-sous-Bois France L'Oréal Research and Innovat.on Chevilly-Larue France CHU Nice Department of Dermatology Université Côte d'Azur Nice France Universit. Côt. d'Azur INSERM U1065 C3M Nice France

一、引言在不同的紫外线(UV)波段中,长波UVA(UVA1,340~400nm)具有更高的皮肤穿透力,并且受气象条件和臭氧层厚度等环境参数的影响较小,因此更容易到达皮肤深部的真皮层,对细胞成分(如DNA、脂质和蛋白质)造成氧化损伤。UVA1已经越来越多... 详细信息

一、引言在不同的紫外线(UV)波段中,长波UVA(UVA1,340~400nm)具有更高的皮肤穿透力,并且受气象条件和臭氧层厚度等环境参数的影响较小,因此更容易到达皮肤深部的真皮层,对细胞成分(如DNA、脂质和蛋白质)造成氧化损伤。UVA1已经越来越多地被发现与衰老、致癌作用、多种皮肤疾病和色素问题相关。

关键词： UVA1 真皮层自身对照致癌作用皮肤疾病防晒剂遗传背景氧化损伤

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