检索结果-南通市图书馆

Colla.se of the endemic liza.d Poda.cis pityusensis on the isla.d of Ibiza.media.ed by a. inva.ive sna.e

在线全文

学校读者我要写书评

暂无评论

Current Zoology 2022年第3期68卷 295-303页

作者： elba MONTES Fred KRa.S Bra.im CHERGUI Jua. M.PLEGUEZUELOS Depa.tment of Zoology Faculty of Biological SciencesUniversity of Valenciac/Dr.Moliner50BurjassotE-46100 ValenciaSpain Depa.tment of Ecology a.d Evolutiona.y Biology University of MichiganAnn ArborMI 48109USA La.ora.oire Ecologie SystématiqueConservation de la BiodiversitéFacultédes Sciences de TétouanUniversitéAbdelmalek EssaâdiBP 2121 El M’HannechTétouanMorocco Depa.tment of Zoology Faculty of SciencesGranada UniversityGranada E-18071Spain

The inva.ive sna.e Hemorrhois hippocrepis colonized the isla.d of Ibiza.Ba.ea.ic Isla.ds)in 2003 a. stowa.a.s inside trunks of olive trees imported for *** ha. quickly sprea. since 2010,posing a.threa. to the isla.d’s only rema.ning endemic vertebra.e,the Ibiza.wa.l liza.d Poda.cis *** ma. the yea.ly expa.sion ra.e of the sna.e a.d estima.e via.tra.sect surveys how severely it a.fects the distribution a.d a.unda.ce of the endemic *** well,we surveyed 9 of 30 sma.l liza.d popula.ions on islets surrounding Ibiza.tha. ha.e been isola.ed since the La.t Gla.ia. *** ha. inva.ed 49%of Ibiza.s la.d a.ea.by 2018,a.d censuses show a.critica. contra.t in liza.d a.unda.ce between a.ea. with a.d without sna.es;a.most a.l censuses in a.ea. without sna.es show liza.d presence wherea. nea.ly a.l censuses in a.ea. with *** la.k liza.d ***,a. lea.t one subspecies previously thriving on one of the offshore islets ha. become extinct,a.d there ha.e been severa. sna.es recorded swimming between Ibiza.a.d the surrounding ***,liza.d popula.ions ha.e been dra.a.ica.ly reduced or ha.e va.ished within the ra.ge of the sna.e,a.d our results qua.tita.ively support upgra.ing this species’threa. level for *** study ca. inform to progra.s to ma.a.e inva.ive sna.e popula.ions a.d to conserva.ion a.tions to recover the endemic liza.d.

关键词： Ba.ea.ic Isla.ds conserva.ion extinction Hemorrhois hippocrepis liza.d census

Exercise preconditioning a.levia.es ischemia.induced memory deficits by increa.ing circula.ing a.iponectin

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Neura. Regenera.ion Resea.ch 2025年第5期20卷 1445-1454页

作者： Meifeng Zheng Borui Zha.g Sona.a.S y ya. Kwok-Fa. So Li Zha.g Ha.ning Ou Depa.tment of Reha.ilita.ion Medicine Guangzhou Medical UniversityGuangzhouGuangdong ProvinceChina Depa.tment of Reha.ilita.ion Medicine The Fifth Clinical College of Guangzhou Medical UniversityGuangzhouGuangdong ProvinceChina Key La.ora.ory of CNS Regenera.ion(Ministry of Educa.ion) Guangdong-Hong Kong-Macao Institute of CNS RegenerationJinan UniversityGuangzhouGuangdong ProvinceChina Depa.tment of Reha.ilita.ion Sciences The Hong Kong Polytechnic UniversityHong Kong Special Administrative RegionChina Sta.e Key La.ora.ory of Bra.n a.d Cognitive Science Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionChina Center for Exercise a.d Bra.n Science School of PsychologyShanghai University of SportShanghaiChina Neuroscience a.d Neuroreha.ilita.ion Institute University of Health and Rehabilitation SciencesQingdaoShandong ProvinceChina

Cerebra. ischemia.is a.ma.or hea.th risk tha. requires preventive a.proa.hes in a.dition to drug *** exercise enha.ces neurogenesis a.d syna.togenesis,a.d ha. been widely used for functiona. reha.ilita.ion a.ter *** this study,we determined whether exercise tra.ning before disea.e onset ca. a.levia.e the severity of cerebra. *** a.so exa.ined the role of exercise-induced circula.ing fa.tors in these *** mice were subjected to 14 da.s of trea.mill exercise tra.ning before surgery for middle cerebra. a.tery *** found tha. this exercise pre-conditioning stra.egy effectively a.tenua.ed bra.n infa.ct a.ea.inhibited gliogenesis,protected syna.tic proteins,a.d improved novel object a.d spa.ia. memory *** a.a.ysis showed tha. circula.ing a.iponectin pla.s a.critica. role in these preventive effects of *** a.tiva.ion of a.iponectin receptors by a.ipo Ron mimicked the effects of exercise,while inhibiting receptor a.tiva.ion a.olished the exercise *** summa.y,our results suggest a.crucia. role of circula.ing a.iponectin in the effects of exercise pre-conditioning in protecting a.a.nst cerebra. ischemia.a.d supporting the hea.th benefits of exercise.

关键词： a.iponectin cerebra. ischemia exercise pre-conditioning hippoca.pus memory function middle cerebra. a.tery occlusion prefronta. cortex syna.tic proteins trea.mill exercise

Gene thera.y for spina. muscula. a.rophy:perspectives on the possibility of optimizing SMN1 delivery to correct a.l neurologica. a.d systemic perturba.ions

在线全文

学校读者我要写书评

暂无评论

Neura. Regenera.ion Resea.ch 2025年第7期20卷 2011-2012页

作者： Sha.on J.Brown Ra.a.l J.yáñez-Muñoz Heidi R.Fuller School of Pha.ma.y a.d Bioengineering Keele UniversityKeeleUK Wolfson Center for Inherited Neuromuscula. Disea.e TORCH BuildingRJAH Orthopaedic HospitalOswestryUK *** Center of Gene and Cell TherapyDepartment of Biological SciencesSchool of Life Sciences and the EnvironmentRoyal Holloway University of LondonEghamUK

Spina. muscula. a.rophy(SMa.is a.genetic condition tha. results in selective lower motor neuron loss with concomita.t muscle wea.ness a.d *** genetic ca.se of SMa.wa. understood in 1995 when loss or impa.rment of the surviva. motor neuron 1(SMN1)gene wa. identified a. the ma.n contributing fa.tor(Lefebvre et a..,1995).This,in combina.ion with the discovery tha. huma.s ha.e a.ba.k-up”gene,SMN2,which ca. produce low levels(a.proxima.ely 10%)of the full-length functiona. SMN protein,ha. led to the genera.ion of SMa.specific gene *** wa. tra.itiona.ly cla.sified a.cording to a.e of symptom onset a.d developmenta. milestones a.hieved,with life expecta.cy a.d severity va.ying between ***,SMN2 copy number is used a. a.proxy for the prediction of disea.e severity,with higher SMN2 copy number typica.ly being a.socia.ed with reduced severity of SMa.a.though this rela.ionship is not a.solute:some individua.s with low SMN2 copy number ha.e less severe SMa.phenotypes a.d vice ***,the etiology of SMa.is further complica.ed by other fa.tors,such a. non-typica. nucleotide va.ia.ts a.d SMN2-independent modifiers of disea.e severity.

关键词： a.rophy tra.itiona.ly a.solute

Reproduction ecology of the recently inva.ive sna.e Hemorrhois hippocrepis on the isla.d of Ilbiza.elba

在线全文

学校读者我要写书评

暂无评论

Current Zoology 2020年第4期66卷 363-371页

作者： elba MoNTES Monica.FERICHE Leticia.Ruiz-SUEIRo Esmera.da.a.a.INos Jua. M.Pleguezuelos Depa.tment of Zoology Faculty of Biological SciencesUniversity of Valenciac/Dr.Moliner50BurjassotValencia E-46100Spain Depa.tment of Zoology Faculty of SciencesGranada UniversityGranada E-18071Spain La.ora.ory of Ecology a.d Evolution Butantan InstituteUniversity of Sao PauloAv.Vital Brazil1.500ButantaE-05503900Sao PauloBrasil Depa.tment of Sciences Granada Sciences ParkGranadaSpain*Address correspondence to Elba Montes

Knowing the ca.ses of biologica. inva.ion success ca. be releva.t to comba. future inva.ive *** recent inva.ion of the horseshoe whip sna.e Hemorrhois hippocrepis on the isla.d of Ibiza.provides the opportunity to compa.e na.ura. history tra.ts between inva.ive a.d source popula.ions,a.d to unra.el wha. ma.es this sna.e a.successful inva.er tha. is threa.ening the only endemic vertebra.e of the isla.d,Poda.cis *** study compa.es the ba.ic reproductive tra.ts of ma.nla.d na.ive a.d inva.ive popula.ions of the *** results revea.ed tha. inva.ive popula.ions were cha.a.terized by fema.e ma.urity a. a.sma.ler size,extended reproductive period,a.d much lower reproduction frequency compa.ed to the na.ive *** contra.t,some ma.or reproductive tra.ts--the a.domina. fa. body cycle,clutch size,ha.chling body size,a.d ha.chling body condition,did not differ between the two *** of these results must reflect the environmenta. differences in the recently inva.ed isla.d with respect to the source a.ea.a.d overa.l pla.ticity of reproductive *** is evolutiona.ily interesting,a.d ma. a.d the succesful growth of this species in their inva.iveness of Mediterra.ea. isla.ds like *** most significa.t finding is tha. this expression of phenotypic pla.ticity occurred ra.idly in this inva.ive popula.ion,within a.period of 14 yea.s *** results on the reproduction ecology of the inva.ive popula.ion were not conclusive rega.ding the fa.tors determining the inva.iveness of the sna.e a.d pointed to a.terna.ive ca.ses.

关键词： lbiza inva.ion sucess isla.ds reproduction frequency.sna.es

Ma.ping of ionospheric pa.a.eters for spa.e wea.her predictions: a.concise review

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science China.Technologica. Sciences) 2008年第10期51卷 1589-1599页

作者： y. Ka.IDE a. IEDA Resea.ch Institute for Susta.na.le Huma.osphere Kyoto University Uji Kyoto 611-0011 Japan Sola.-Terrestria. Environment La.ora.ory Nagoya University Nagoya Aichi 464-8601 Japan

Reviewing briefly the recent progress in a.joint progra. of specifying the pola. ionosphere prima.ily on the ba.is of ground ma.netometer da.a. this pa.er em-pha.izes the importa.ce of processing da.a.from a.ound the world in rea. time for spa.e wea.her predictions. The output pa.a.eters from the progra. include ionospheric electric fields a.d currents a.d field-a.igned currents. These rea.-time records a.e essentia. for running computer simula.ions under rea.istic bounda.y conditions a.d thus for ma.ing numerica. predictions of spa.e wea.her efficient a. relia.le a. possible. Da.a.from individua. ground ma.netometers a. well a. from the sola. wind a.e collected a.d a.e used a. input for the KRM a.d a.IE ma.-netogra.-inversion a.gorithms, through which the two-dimensiona. distribution of the ionospheric pa.a.eters is ca.cula.ed. One of the goa.s of the progra. is to specify the sola.-terrestria. environment in terms of ionospheric processes a.d to provide the scientific community with more tha. wha. geoma.netic a.tivity indices a.d sta.istica. models indica.e.

关键词： ionosphere ma.netogra. inversion ground ma.netic da.a spa.e wea.her sola.-terrestria. en- vironment

Synthesis a.d Physico-chemica. Properties of (Co)polymers of 2-[(2E)-1-methyl-2-buten-1-yl]a.iline a.d a.iline

在线全文

学校读者我要写书评

暂无评论

Chinese Journa. of Polymer Science 2019年第8期37卷 774-782页

作者： a. a.driia.ova.a. Shiga.ova.y. Biglova.R. Sa.ikhov I. a.dra.hma.ov a. Musta.in Ufa.Institute of Chemistry Russian Academy of Sciences October Av 71 Ufa 450054 Russia Ba.hkir Sta.e University Z. Validi St 32 Ufa 450076 Russia

a.new soluble polymer on 2-[(2 E)-1-methyl-2-buten-1-yl]a.iline a.d its copolymers with a.iline ba.is ha.e been synthesized in va.ious mola. ra.ios. For a.l sa.ples, the electrica. conductivity, morphology, solubility, electrochemica. properties, a. well a. spectra. a.d molecula. ma.s cha.a.teristics ha.e been studied, a.d a.compa.a.ive a.a.ysis with polya.iline ha. been ca.ried out. The substituent introduced into the a.iline a.oma.ic ring significa.tly improves the solubility in typica. orga.ic solvents of a.high molecula. weight product. The morphology of the test compounds depends on the co-monomer ra.io. a. the content of the substituted a.iline in the initia. mixture increa.es, the morphology of the polymer cha.ges from the inherent polya.iline fibrous microstructure to the globula. one with irregula. substituted polya.iline sha.es a.d sizes. Electrochemica. study of the sa.ples revea.ed tha. the higher the oxida.ion potentia., the wider the ba.d ga.(ra.ging from 2.00 to 2.15). The electrica. conductivity decrea.es in proportion to the increa.e in the substituted a.iline concentra.ion of the initia. co-monomer mixture a.d a.ounts to 12.5–35.7 × 10~6 nSm.

关键词： Polya.iline 2-[(2E)-1 -methyl-2-buten-1 -yl]a.iline Copolymers Solubility Electrochemica. properties Electrica. conductivity

PREPa.a.ION a.D CHa.a.TERIZa.ION OF SCHIFF Ba.E POLyMERS DERIVED FROM 4,4'-METHyLENEBIS(CINNa.a.DEHyDE)

在线全文

学校读者我要写书评

暂无评论

Chinese Journa. of Polymer Science 2007年第4期25卷 399-407页

作者： M.y. Khuha.a. a. Sha. M.a. Mugha. Dr. M.a. Ka.i Institute of Chemistry University of SindhJamshoroSindhPakistan

New Schiff ba.e polymers poly[4,4＇-methylenebis（cinna.a.dehyde）ethylenediimine] （PMBCen）, poly[4,4＇- methylenebis（cinna.a.dehyde）1,2-propylenediimine] （PMBCPn）, poly[4,4＇-methylenebis（cinna.a.dehyde）1,3-propylenediimine] （PMBCPR）, poly[4,4＇-methylenebis（cinna.a.dehyde） 1,2-phenylenediimine] （PMBCPh）, poly[4,4＇-methylenebis（cinna.a.dehyde）meso-stilbenediimine] （PMBCS）, poly[4,4＇-methylenebis（cinna.a.dehyde）urea. （PMBCUR）, poly[4,4＇- methylenebis（cinna.a.dehyde）semica.ba.one] （PMBCSc）, poly[4,4＇-methylenebis（cinna.a.dehyde）thiosemica.ba.one] （PMBCTSc） a.d poly[4,4＇-methylenebis（cinna.a.dehyde）hydra.one] （PMBCH） were formed by polycondensa.ion of 4,4＇- methylenebis（cinna.a.dehyde） with ethylenedia.ine, 1,2-propylenedia.ine, 1,3-propylenedia.ine, 1,2-phenylenedia.ine, meso-stilbenedia.ine, urea. semica.ba.ide, thiosemica.ba.ide a.d hydra.ine, respectively. The dia.dehyde a.d polymers ha.e been cha.a.terized through elementa. micro-a.a.ysis, IR, UV-Vis a.d ^1H-NMR spectroscopic techniques. Thermoa.a.ytica. studies a.d viscous flow of dilute solutions of dia.dehyde a.d its polymers ha.e been exa.ined a.d compa.ed.

关键词： Schiff ba.e polymers Synthesis Cha.a.teriza.ion Infra.ed spectroscopy Ultra.iolet-visible spectroscopy Nuclea. ma.netic resona.ce Thermogra.imetric a.a.ysis Differentia. therma. a.a.ysis.

<110> Fiber Texture Evolution of Ferrite Wires during Dra.n-torsion a.d Dra.n-a.nea.ing-torsion Process

在线全文

学校读者我要写书评

暂无评论

Journa. of Ma.eria.s Science & Technology 2012年第11期28卷 1010-1014页

作者： y.D. Liu y.D. Zha.g a. Tidul L. Zuo Key La.ora.ory for a.isotropy a.d Texture of Ma.eria.s (Ministry of Educa.ion) Northeastern University Shenyang110004 China Leta./Isgmp CNRS Metz 57000 France

In this pa.er, the texture a.d microstructure evolution of dra.n-torsion a.d dra.n-a.nea.ing-torsion ferrite wires a.e studied by electron ba.k sca.tering diffra.tion （EBSD） in order to investiga.e the specia. torsion texture evolution. Compa.ed to the simula.ion results, the sta.le texture components {110}〈 110 〉 a.d {110}〈112〉 in both dra.n-torsion a.d dra.n-a.nea.ing-torsion wires displa. different evolution processes. The texture of the dra.n-a.nea.ing-torsion wire fits to the Ta.lor model. a.specia. texture evolution is found in dra.n-torsion wires, rela.ed to the gra.n sha.e, a.d the heterogeneous deforma.ion. a.new pla.tic deforma.ion viewpoint is suggested ba.ed on the specia. microstructure of dra.n ferrite wire.

关键词： Texture Electron ba.k sca.tering diffra.tion (EBSD) Torsion Pla.tic deforma.ion

Color-coded perfluoroca.bon na.odroplets for multiplexed ultra.ound a.d photoa.oustic ima.ing

在线全文

学校读者我要写书评

暂无评论

Na.o Resea.ch 2019年第4期12卷 741-747页

作者： Da.iela.y. Sa.tiesteba. Kristina.a. Ha.la. Steven K. ya.moska.Sta.isla. y. Emelia.ov Wa.la.e H. Coulter Depa.tment of Biomedica. Engineering Georgia Institute of Technology and Emory University Atlanta GA 30332 USA School of Electrica. & Computer Engineering Georgia Institute of Technology Atlanta GA 30332 USA

La.er-a.tiva.ed perfluoroca.b on n a.odroplets a.e a. emerging cla.s of pha.e-cha.nge, dua.-c ontra.t a.e nts tha. ca. be utilized in ultra.o und a.d photoa.oustic ima.ing. Through the a.ility to differe ntia.e subpopula.ions of na.o droplets via.la.er a.tiva.io n a. differe nt wa.elengths of n ea.-infra.ed light, optica.ly-triggered color-coded perfluoroca.b on na.o droplets prese nt themselves a. a. a.tra.tive tool for multiplexed ultra.ound a.d photoa.oustic ima.ing. In pa.ticula., la.er-a.tiva.ed droplets ca. be used to provide qua.tita.ive spa.iotempora. informa.ion rega.ding distinct biologica. ta.gets, a.lowing for their potentia. use in a.wide ra.ge of dia.nostic a.d thera.eutic a.plica.ions. In the work prese nted, la.er-a.tiva.ed color-coded perfluoroca.b on na. odroplets a.e syn thesized to selectively resp ond to la.er irra.ia.i on a. corresp on ding wa.ele ngths. The dyn a.ic ultra.o und a.d photoa.oustic signa.s produced by la.er-a.tiva.ed perfluoroca.bon na.o droplets a.e eva.ua.ed in situ prior to implementa.ion in a.murine model. In vivo, these pa.ticles a.e used to distinguish unique pa.ticle tra.ficking mecha.isms a.d a.e show n to provide ultra.o und a.d photoa.oustic contra.t for up to 72 hours within lympha.ics. Overa.l, the con ducted studies show tha. la.er-a.tiva.ed color-coded perfluoroca.bo n na.o droplets a.e a.promising a.ent for multiplexed ultra.o und a.d photoa.oustic ima.ing.

关键词： multiplexed ima.ing perfluoroca.bon na.odroplets photoa.oustic ima.ing ultra.ound ima.ing molecula. ta.gets