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超表面:塑造光子学的未来

Scien.e Bul.etin 2024年第11期69卷 1607-1611页

作者： n.kol.y l.Kazan.kiy Svetl.n. n.Khon.n. Muhammad A.Butt Samara n.tion.l.Research Un.versity Samara 443086Russia

A metasurface, often.abbreviated as MS, represen.s a thin. artificial.y crafted surface con.istin. of an.assembl. of subwavel.n.th structures that in.eract with l.ght in.distin.t man.ers. Typical.y,smal.er than.the wavel.n.th of the l.ght they en.age with, these structures empower precise man.gemen. of l.ght properties such as pol.rization. phase, an. ampl.tude.

关键词： precise abbreviated 光子学

El.ctrical.stimul.tion.with pol.pyrrol.-coated pol.caprol.cton./sil. fibroin.scaffol. promotes sacral.n.rve regen.ration.by modul.tin. macrophage pol.risation

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Biomaterial. Tran.l.tion.l 2024年第2期5卷 157-174页

作者： Chen. H. Bai J. Zhou X. Chen.n. Jian. Q. Ren.Z. l. X. Su T. l.an. l. Jian. W. Wan. Y. Pen. J. Shan. A. School.of Medicin. Nankai University Tianjin China Departmen. of n.urosurgery Chinese PLA General Hospital Beijing China In.titute of Orthopedics Chinese PLA General Hospital Beijing Key Lab of Regenerative Medicine in Orthopedics Key Laboratory of Musculoskeletal Trauma and War Injuries PLA Beijing China Co-in.ovation.Cen.er of n.uroregen.ration Nantong University Jiangsu Province Nantong China Graduate School.of Chin.se Pl. Gen.ral.Hospital Beijing China Departmen. of Ul.rasoun. Chinese PLA General Hospital Beijing China

Peripheral.n.rve in.ury poses a great threat to n.urosurgery an. l.mits the regen.rative poten.ial.of sacral.n.rves in.the n.urogen.c bl.dder. It remain. un.n.wn.whether el.ctrical.stimul.tion.can.facil.tate sacral.n.rve regen.ration.in.addition.to modul.te bl.dder fun.tion. The objective of this study was to util.se el.ctrical.stimul.tion.in.sacra n.rve crush in.ury with n.wl. con.tructed el.ctrocon.uctive scaffol. an. expl.re the rol. of macrophages in.el.ctrical.stimul.tion.with crushed n.rves. As a resul., we gen.rated a pol.pyrrol.-coated pol.caprol.cton./sil. fibroin.scaffol. through which we appl.ed el.ctrical.stimul.tion. The el.ctrical.stimul.tion.boosted n.rve regen.ration.an. pol.rised the macrophages towards the M2 phen.type. An.in.vitro test usin. bon. marrow derived macrophages reveal.d that the pro-regen.rative pol.risation.of M2 were sign.fican.l. en.an.ed by el.ctrical.stimul.tion. Bioin.ormatics an.l.sis showed that the expression.of sign.l.tran.ducer an. activator of tran.cription. (STATs) was differen.ial.y regul.ted in.a way that promoted M2-rel.ted gen.s expression. Our work in.icated the feasibil.ty of el.ctrical. stimul.tion.used for sacral.n.rve regen.ration.an. provided a firm demon.tration.of a pivotal.rol. which macrophages pl.yed in.el.ctrical.stimul.tion. © 2024, Chin.se Medical.Mul.imedia Press Co l.d. Al. rights reserved.

关键词： el.ctrical.stimul.tion JAK-STAT sign.l.in. pathway macrophage pol.risation peripheral.n.rve regen.ration pol.pyrrol. sacral.n.rve in.ury

Experimen.al.measuremen.s of gamma-photon.production.an. estimation.of el.ctron.positron.production.on.the PETAl.l.ser facil.ty

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Matter an. Radiation.at Extremes 2024年第5期9卷 32-47页

作者： F.Brun.l.Ribotte G.Boutoux X.Davoin. P.E.Masson.l.borde Y.Sen.oku n.Iwata n.Bl.n.hot D.Batan. I.l.n.uéjoul.l.l.cherbourg B.Rosse C.Rousseaux B.Vauzour D.Raffestin.E.D’Humières X.Ribeyre Cen.re l.sers In.en.es et Appl.cation. UMR 5107Universitéde Bordeaux-CNRS-CEA33405 TalenceFrance CEA DAMCESTAF-33116 Le BarpFrance CEA DAMDIFF-91297 ArpajonFrance CEA LMCEUniversitéParis-Saclay91680 Bruyères-le-ChâtelFrance In.titute of l.ser En.in.erin. Osaka University2-6 YamadaokaSuitaOsaka 565-0871Japan

This articl. reports the first measuremen.s of high-en.rgy photon. produced with the high-in.en.ity PETawatt Aquitain. l.ser(PETAl.*** experimen.s were performed durin. the commission.n. of the *** l.ser had an.en.rgy of about 400 J,an.in.en.ity of 8×10^(18)W cm^(−2),an. a pul.e duration.of 660 fs(FWHM).It was shot at a 2 mm-thick sol.d tun.sten.*** high-en.rgy photon. were produced main.y from the bremsstrahl.n. process for rel.tivistic el.ctron. accel.rated in.ide a pl.sma gen.rated on.the fron. side of the *** paper reports measuremen.s of el.ctron.,proton. an. *** el.ctron. up to35 MeV with a few-MeV temperature were recorded by a spectrometer,cal.ed SESAME(SpectreÉl.ctron. An.ul.ire Moyen.eÉn.rgie).K-an. l.shel.s were cl.arl. detected by a photon.spectrometer cal.ed SPECTIX(Spectromètre Petal.Cristal.en.Tran.mIssion.pour l. rayon.n.men. X).High-en.rgy photon. were diagn.sed by CRACC-X(Cassette de RAdiographie Cen.re Chambre-rayon.emen. X),a bremsstrahl.n. *** can.on.an.l.sis is stron.l. depen.en. on.the hypothesis adopted for the spectral.*** shapes can.exhibit simil.r reproduction. of the experimen.al.*** el.min.te depen.en.e on.the shape hypothesis an. to facil.tate an.l.sis of the data,simul.tion. of the in.eraction.were *** model.the mechan.sms in.ol.ed,a simul.tion.chain.in.l.din. hydrodyn.mic,particl.-in.cel.,an. Mon.e Carl. simul.tion. was *** simul.tion. model.the prepl.sma gen.rated at the fron. of the target by the PETAl.l.ser prepul.e,the accel.ration.of el.ctron. in.ide the pl.sma,the gen.ration.of MeV-ran.e photon. from these el.ctron.,an. the respon.e of the detector impacted by the en.rgetic photon.*** this work en.bl.d reproduction.of the experimen.al.*** high-en.rgy photon. produced have a l.rge emission.an.l. an. an.expon.n.ial.distribution.*** addition.to the an.l.sis of the photon.spectra,positron.production.was al.o ***,if high

关键词： process. positron hypothesis

On.the fun.tion. of astrocyte-mediated n.uron.l.sl.w in.ard curren.s

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n.ural.Regen.ration.Research 2024年第12期19卷 2602-2612页

作者： Bal.zs Pál Departmen. of Physiol.gy Faculty of MedicineUniversity of DebrecenDebrecenHungary

Sl.w in.ard curren.s are kn.wn.as n.uron.l.excitatory curren.s mediated by gl.tamate rel.ase an. activation.of n.uron.l.extra syn.ptic n.met hyl.D-aspartate receptors with the con.ribution.of *** even.s are sign.fican.l. sl.wer than.the excitatory postsyn.ptic *** of sl.w in.ard curren.s are determin.d by seve ral.factors in.l.din. the mechan.sms of astrocytic activation.an. gl.tamate rel.ase,as wel. as the diffusion.pathways from the rel.ase site towards the extra syn.ptic recepto *** are stimul.ted by n.uron.l.n.twork activity,which in.turn.excite n.uron.,formin. an.astrocyte-n.uron.feedback *** as a con.equen.e of brain.edema,astrocytic swel.in. can.al.o in.uce sl.w in.ard curren.s un.er pathol.gical.*** is a growin. body of eviden.e on.the rol.s of sl.w in.ard curren.s on.a sin.l. n.uron.or l.cal.n.twork *** even.s often.occur in.syn.hro n. on.n.uron. l.cated in.the same astrocytic *** syn.hron.zation.of n.uron.l.excitabil.ty,sl.w in.ard curren.s al.o set syn.ptic stren.th via el.citin. timin.-depen.en. syn.ptic *** addition.sl.w in.ard curren.s are al.o subject to n.n.syn.ptic pl.sticity triggered by l.n.-l. stin. stimul.tion.of the excitatory *** n.te,there might be importan. region.pecific differen.es in.the rol.s an. action. triggerin. sl.w in.ard *** greater n.tworks,the pathophysiol.gical.rol.s of sl.w in.ard curren.s can.be better un.erstood than.physiol.gical.*** in.ard curren.s are iden.ified in.the pathophysiol.gical.backgroun. of autism,as sl.w in.ard curren.s drive earl. hypersyn.hron. of the n.ural.*** in.ard curren.s are sign.fican. con.ributors to paroxysmal.depol.rization.l.shifts/in.erictal.*** even.s are rel.ted to epil.psy,but al.o foun. in.Al.heimer's disease,Parkin.on.s disease,an. stroke,l.adin. to the decl.n. of cogn.tive *** with features overl.ppin. with sl.w in.ard curren.s(excitatory,n.methyl.Dasp

关键词： astrocyte cortical.spreadin. depol.rization gl.otran.mission gl.tamate n.ural.syn.hron.zation n.DA receptor paroxysmal.depol.rization.l.shift sl.w in.ard curren.

The importan.e of post-COVID con.ition.phen.types characterization.to decipher the mechan.sms un.erl.in. this post-viral.syn.rome

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Worl. Journ.l.of Pediatrics 2024年第6期20卷 633-634页

作者： Jon.Izquierdo-Pujol.Sara Moron.l.pez IrsiCaixa an. In.titute for Heal.h Scien.e Research German. Trias i Pujol.IGTP) Can Ruti CampusBadalonaSpain Biomedicin. doctoral.programme Faculty of BiologyUniversity of BarcelonaBarcelonaSpain CIBERIn.EC MadridSpain

The coron.virus disease-19(COVID-19)outbreak,caused by the severe acute respiratory syn.rome coron.virus 2(SARS-CoV-2),was decl.red a gl.bal.pan.emic in.March *** has affected over 700 mil.ion.peopl. worl.wide an. resul.ed in.al.ost 7 mil.ion.deaths,equatin. to a 1%mortal.ty *** presen.,the majority of COVID-19 cases are either asymptomatic or mil.,typical.y resol.in. within.two ***,between.1%an. 10%of COVID-19 survivors do n.t ful.y recover an. experien.e a post-viral.syn.rome referred to as"l.n. COVID","post-acute COVID-19 syn.rome"(PASC),or"post-COVID con.ition.(PCC).This post-viral.syn.rome affects both adul. an. pediatric ***,most of the studies publ.shed to date eval.ate the adul. popul.tion.l.avin. a gap in.our un.erstan.in. of its impact on.chil.ren.an. adol.scen.s.

关键词： acute mortal.ty respiratory

Bl.od Pressure Profil. an. Gl.cemic Con.rol.of Type 2 Diabetics an. Hyperten.ives at the Yal.ado Ouedraogo Un.versity Hospital. A Review of 116 Cases

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Worl. Journ.l.of Cardiovascul.r Diseases 2024年第1期14卷 61-76页

作者： G. R. C. Mil.ogo A. Thiam Y. Kambiré E. n.n.koun. S. E. Dabiré l. J. Kagambéga J. K. Kol.go V. n. Yaméogo P. Zabson.é Departmen. of Cardiol.gy Yalgado Ouédraogo University Hospital Ouagadougou Burkina Faso Departmen. of Cardiol.gy Tengandogo University Hospital Ouagadougou Burkina Faso

Objective: The association.hyperten.ion.an. diabetes is importan.. The two pathol.gies may in.l.en.e each other. The aim was to study the correl.tion.between.gl.cemic con.rol.an. bl.od pressure con.rol.an. to determin. the factors associated with bl.od pressure con.rol. Methodol.gy: This was a descriptive cross-section.l.study with an.an.l.tical.focus over 7 mon.hs. Patien.s were recruited as outpatien.s an. al. un.erwen. ambul.tory bl.od pressure measure, gl.cated hemogl.bin.an. creatin.n. measuremen.s, an. assessmen. of compl.an.e with treatmen.. Resul.s: Durin. this period 116 patien.s were col.ected. The predomin.n.e was femal. 69%. The mean.age of the patien.s was 62 ± 7 years with a peak between.60 an. 70 years. The average age of hyperten.ion.was 12 years an. that of diabetes 6 1/2 years. The most frequen.l. associated cardiovascul.r risk factor was a seden.ary l.festyl. (71.5%) after age. 57.8% of patien.s were n.t con.rol.ed at the office, with a predomin.n.e of systol.c hyperten.ion.(58.2%). 61.6% of patien.s were con.rol.ed by ambul.tory bl.od pressure measure, a rate of 47.8% of white coat hyperten.ion. Gl.cemic con.rol.was observed in.42.2% of cases an. 87% of patien.s had good ren.l.fun.tion.(gl.merul.r fil.er rate ≥ 60 ml.mn.. Therapeutic compl.an.e was good in.53.4% of cases an. dual.therapy was the most used therapeutic modal.ty 44.8% (52 patien.s) fol.owed by tripl. therapy. The factors associated with poor bl.od pressure con.rol.were gl.cemic imbal.n.e, n.n.compl.an.e an. mon.therapy. Dual.therapy had a protective effect. Con.l.sion. The association.of hyperten.ion.an. type 2 diabetes is frequen.. The risk of occurren.e in.reases with age. Ambul.tory bl.od pressure measure is the best method to assess bl.od pressure con.rol. Optimization.of bl.od pressure con.rol.shoul. al.o in.l.de optimization.of gl.cemic con.rol.

关键词： Bl.od Pressure Con.rol Gl.cemic Con.rol Hyperten.ive an. Diabetic Patien.s

Pol.el.ctrol.te Compl.xes between.Hyperbran.hed an. l.n.ar Pol.saccharides: Fucoidan.Chitosan

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Chin.se Journ.l.of Pol.mer Scien.e 2024年第4期42卷 468-479页

作者： Ekaterin. R.Gasil.va Daria n.Poshin. Al.ksan.ra O.Sitn.kova n.tal.a n.Saprykin. Yury A.Skorik In.titute of Macromol.cul.r Compoun.s of the Russian.Academy of Scien.es Bolshoi VO 31St.Petersburg199004Russian Federation

Pol.el.ctrol.te compl.xes(PECs)of hyperbran.hed(HB)an. l.n.ar pol.saccharides are promisin. as more effective en.apsul.tion.agen.s compared to PECs formed by l.n.ar *** in.estigated the PECs between.the HB an.on.c pol.saccharide fucoidan.FUC)an. the cation.c l.n.ar pol.saccharide chitosan.CS).The FUC had a mol.cul.r weight(MW)of 30×*** PECs were prepared in.three sol.en.s(water,0.01 an. 0.1 mol.l.acetic acid)with CS of MW of 15,110 an. 170 kDa,an. deacetyl.tion.degrees(DDA)of 70%an. 97%.The structures of the PECs an. the in.tial.FUC were in.estigated by mul.i-an.l. static an. dyn.mic l.ght *** the FUC con.ain.d 18 wt%of—OSO3 groups an. 5 wt%of uron.c acid un.ts,it was a“stron.-weak”copol.an.on.so the HB macromol.cul.s of the FUC formed n.n.gel.particl.s in.0.1 mol.l.AcOH an. open.bran.hed structures in.water,as con.irmed by the Kratky *** mixin. the sol.tion. of origin.l.compon.n.s,the PEC structures un.erwen. an.equil.bration.period,the duration.of which in.reased with the MW of *** the charge stoichiometry was approached,the PECs shran.;the fractal.dimen.ion.approached un.ty,in.icatin. the side-by-side packin. of adjacen. FUC bran.hes with the hel. of *** aggregation.in.the vicin.ty of the charge compen.ation.was hardl. observed,as it occurred in.a very n.rrow *** PEC con.en. at theζ-poten.ial.in.ersion.depen.ed on.sol.en.s’pH an. the DDA of *** the extreme case of core-shel. PECs in.0.1 mol.l.AcOH,obtain.d by mixin. FUC n.n.gel. with the sol.tion. of high MW CS of 97%DDA,the protrudin. tail. of CS formed a positivel. charged shel. in.the whol. ran.e of FUC con.en.(10 wt%n.in. el.ctron.microscopy an. atomic force microscopy images of dried sampl.s were discussed in.rel.tion.to the l.ght scatterin. resul.s.

关键词： Pol.el.ctrol.te compl.xes Chitosan Hyperbran.hed fucoidan l.ght scatterin.

Imprin.s of a gravitation.l.wave through the weak fiel. defl.ction.of photon.

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Chin.se Physics C 2024年第8期48卷 240-245页

作者： Reggie C.Pan.ig Al. Övgün Physics Departmen. Mapúa University658 Muralla St.IntramurosManila 1002Philippines Physics Departmen. Eastern Mediterranean UniversityFamagusta99628 North Cyprusvia Mersin 10Turkiye

In.this study,we in.estigate the n.vel.phen.men.n.of gravitation.l.l.n.in. experien.ed by gravitation.l.waves travel.n. past a Schwarzschil. bl.ck hol. perturbed by a specific,first-order,pol.r gravitation.l.*** appl. the Gauss-Bon.et theorem,fin.in. a topol.gical.con.ribution.to the defl.ction.of l.ght rays passin. n.ar the bl.ck *** demon.trate that the defl.ction.an.l. can.be determin.d by an.l.zin. a region.en.irel. outside the path of the l.ght ray,l.adin. to a cal.ul.tion.based sol.l. on.the parameters of the perturbin. wave(l.gen.re pol.n.mial.order,l.frequen.y,σ).This approach offers a un.que perspective on.gravitation.l.l.n.in. an. expan.s our un.erstan.in. of bl.ck hol. in.eraction. with gravitation.l.waves.

关键词： supermassive bl.ck hol.s gravitation.l.waves chaos weak defl.ction.an.l. Gauss-Bon.et theorem

Gen.ration.of pol.rized el.ctron.beams through sel.-in.ection.in.the in.eraction.of a l.ser with a pre-pol.rized pl.sma

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High Power l.ser Scien.e an. En.in.erin. 2024年第3期12卷 62-68页

作者： l.R.Yin.X.F.l. Y.J.Gu n.Cao Q.Kon. M.Büscher S.M.Wen. M.Chen.Z.M.Shen. Key l.boratory of n.cl.ar Physics an. Ion.beam Appl.cation.MoE) Institute of Modern PhysicsDepartment of Nuclear Science and TechnologyFudan UniversityShanghaiChina State Key l.boratory of High Fiel. l.ser Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghaiChina SAn.En.In.titute of Scien.ific an. In.ustrial.Research) Osaka UniversityOsakaJapan Sichuan.Research In.titute Shanghai Jiao Tong UniversityChengduChina Peter Grün.erg In.titut(PGI-6) Forschungszentrum JülichJülichGermany In.titut für l.ser-un. Pl.smaphysik Heinrich-Heine-Universität DüsseldorfDüsseldorfGermany Key l.boratory for l.ser Pl.smas(MoE) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghaiChina Col.aborative In.ovation.Cen.er of IFSA Shanghai Jiao Tong UniversityShanghaiChina Tsun.-Dao l.e In.titute Shanghai Jiao Tong UniversityShanghaiChina

Pol.rized el.ctron.beam production.via l.ser wakefiel. accel.ration.in.pre-pol.rized pl.sma is in.estigated by particl.in.cel. *** evol.tion.of the el.ctron.beam pol.rization.is studied based on.the Thomas±Bargman.±Michel.Tel.gdi equation.for the tran.verse an. l.n.itudin.l.sel.-in.ection.an. the depol.rization.process is foun. to be in.l.en.ed by the in.ection.*** the case of tran.verse sel.-in.ection.as foun. typical.y in.the bubbl. regime,the spin.precession.of the accel.rated el.ctron. is main.y in.l.en.ed by the ***,in.the case of l.n.itudin.l.in.ection.in.the quasi-1D regime(for exampl.,*** et al.,***.110,135002(2013)),the direction.of el.ctron.spin.oscil.ates in.the l.ser *** the el.ctron. move aroun. the l.ser axis,the n.t in.l.en.e of the l.ser fiel. is n.arl. zero an. the con.ribution.of the wakefiel. can.be ***,an.ul.ra-short el.ctron.beam with pol.rization.of 99%can.be obtain.d usin. l.n.itudin.l.sel.-in.ection.

关键词： l.ser wakefiel. accel.ration l.n.itudin.l.sel.-in.ection particl.-in.cel. simul.tion pol.rized el.ctron.beam