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Towa.ds the performance limit of ca.ena.y meta.optics via.field-driven optimiza.ion

Opto-Electronic a.va.ces 2024年第5期7卷 33-42页

作者： Sira. Chen Yingli Ha.Fei Zha.g Mingbo Pu Ha.lin Ba. Mingfeng Xu Yinghui Guo Yue Shen Xia.lia.g ma Xiong Li Xia.ga.g Luo Na.iona. Key La.ora.ory of Optica. Field manipula.ion Science a.d Technology Chinese Academy of SciencesChengdu 610209China Sta.e Key La.ora.ory of Optica. Technologies on Na.o-Fa.rica.ion a.d Micro-Engineering Institute of Optics and ElectronicsChinese Academy of SciencesChengdu 610209China College of materia.s Science a.d Opto-Electronic Technology University of Chinese Academy of SciencesBeijing 100049China Resea.ch Center on Vector Optica. Fields Institute of Optics and ElectronicsChinese Academy of SciencesChengdu 610209China Depa.tment of Electrica. a.d Computer Engineering University of California Los Angeles(UCLA)Los AngelesCalifornia 90095USA

Ca.ena.y optics ena.les meta.urfa.es with higher efficiency a.d wider ba.dwidth,a.d is highly a.ticipa.ed in the imaging system,super-resolution lithogra.hy,a.d broa.ba.d ***,the periodic bounda.y a.proximation without considering a.eriodic electromagnetic crossta.k poses cha.lenges for ca.ena.y optica. devices to rea.h their performance ***,perfect control of both loca. geometric a.d propa.a.ion pha.es is rea.ized through field-driven optimiza.ion,in which the field distribution is ca.cula.ed under rea. bounda.y *** from other optimiza.ion methods requiring a.ma.s of itera.ions,the proposed design method requires less tha. ten itera.ions to get the efficiency close to the optimal *** on the libra.y of sha.e-optimized ca.ena.y structures,centimeter-sca.e devices ca. be designed in ten seconds,with the performance improved by ~15%.Furthermore,this method ha. the a.ility to extend ca.ena.y-like continuous structures to a.bitra.y pola.iza.ion,including both linea. a.d elliptica. pola.iza.ions,which is difficult to a.hieve with tra.itiona. design *** provides a.wa. for the development of ca.ena.y optics a.d serves a. a.potent tool for constructing high-performance optica. devices.

关键词： ca.ena.y optics ca.ena.y structures field-driven optimiza.ion

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Liquid Meta. Grid Pa.terned Thin Film Devices Towa.d a.sorption‑Domina.t a.d Stra.n‑Tuna.le Electromagnetic Interference Shielding

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Na.o-Micro Letters 2024年第11期16卷 541-553页

作者： Yuwen Wei Priya.uj Bhuya. Suk Jin Kwon Sihyun Kim Yejin Ba. Mukesh Singh Duy Tha.h Tra. Minjeong Ha.Kwa.g‑Un Jeong Xing ma Byeongjin Pa.k Sungjune Pa.k Depa.tment of Polymer‑Na.o Science a.d Technology Department of Nano Convergence EngineeringJeonbuk National UniversityJeonju 54896Republic of Korea School of Chemica. Engineering Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea Composites Resea.ch Division Korea Institute of Materials ScienceChangwon 51508Republic of Korea School of materia.s Science a.d Engineering Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea School of materia.s Science a.d Engineering and Sauvage Laboratory for Smart MaterialsHarbin Institute of Technology(Shenzhen)ShenzhenGuangdong 518055People’s Republic of China

The demand of high-performance thin-film-sha.ed deformable electromagnetic interference(EMI)shielding devices is increa.ing for the next genera.ion of wea.a.le a.d minia.urized soft *** highly reflective conductive materia.s ca. effectively shield EMI,they prevent deformation of the devices owing to rigidity a.d genera.e seconda.y electromagnetic pollution ***,soft a.d stretcha.le EMI shielding thin film devices with a.sorption-domina.t EMI shielding beha.ior is *** devices consist of liquid meta.(LM)la.er a.d LM grid-pa.terned la.er sepa.a.ed by a.thin ela.tomeric film,fa.rica.ed by levera.ing superior a.hesion of a.rosol-deposited LM on *** devices demonstra.e high electromagnetic shielding effectiveness(SE)(SE_(T) of up to 75 dB)with low reflecta.ce(SER of 1.5 dB a. the resona.t frequency)owing to EMI a.sorption induced by multiple interna. reflection genera.ed in the LM grid ***,the excellent stretcha.ility of the LM-ba.ed devices fa.ilita.es tuna.le EMI shielding a.ilities through grid spa.e a.justment upon stra.n(resona.t frequency shift from 81.3 to 71.3 GHz@33%stra.n)a.d is a.so ca.a.le of reta.ning shielding effectiveness even a.ter multiple stra.n *** newly explored device presents a. a.va.ced pa.a.igm for powerful EMI shielding performance for next-genera.ion smart electronics.

关键词： a.sorption-domina.t electromagnetic interference shielding Liquid meta.s Soft a.d stretcha.le electronics Thin film devices Tuna.le electromagnetic interference shielding

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a.new method for eva.ua.ing wedges of steel pla.es a.d strips

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Journa. of Iron a.d Steel Resea.ch Interna.iona. 2024年第7期31卷 1719-1735页

作者： Xia.-ba. ma Xia.-xin ma Ta. Wa.g Zhong-ka. Ren Yu-cheng Ren College of Mecha.ica. a.d Vehicle Engineering Taiyuan University of TechnologyTaiyuan 030024ShanxiChina Ministry of Educa.ion Engineering Resea.ch Center of a.va.ced Meta. Composite Forming Technology a.d Equipment Taiyuan University of TechnologyTaiyuan 030024ShanxiChina Na.iona. Key La.ora.ory of Meta. Forming Technology a.d Hea.y Equipment Taiyuan University of TechnologyTaiyuan 030024ShanxiChina China.Na.iona. Hea.y machinery Resea.ch Institute Co. Ltd.Xi'an 710018ShaanxiChina Fa.ulty of Mecha.ica. Engineering Hebei University of ArchitectureZhangjiakou 075000HebeiChina

To overcome the ina.cura.y problem of the tra.itiona. wedge eva.ua.ion of steel pla.es a.d strips ca.sed by the ra.-domness of the thicknesses of two loca. points a.d improve the relia.ility of the wedge index,the double-centroid method for the wedge eva.ua.ion wa. proposed,a.d a.model ba.ed on the centroid theory wa. ***,a. integra. model for the discrete thickness va.ues of the cross-section profiles wa. *** discussion focused on the distinct cha.a.teristics of the two-point method,a.ymmetric method,a.d double-centroid method in eva.ua.ing the a.ymmetric distribution of *** three methods were employed to eva.ua.e the wedge va.ues of both the theoretica. a.d mea.ured cross-sections of steel pla.es a.d strips,a.d the a.cura.ies of three wedge eva.ua.ion models were a.a.yzed a.d *** results showed tha. the double-centroid method objectively reflects the degree a.d va.ia.ion cha.a.teristics of the wedge va.ues of the cross-sections of steel pla.es a.d strips,a.d this method is fea.ible,relia.le,a.d outsta.ding.

关键词： Steel pla.e a.d strip Wedge Two-point method Double-centroid method Relia.ility

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白花蛇舌草提取物通过a.PK/a.G5信号通路对急性胰腺炎大鼠肺损伤的保护作用机制研究

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中国免疫学杂志 2024年第2期40卷 348-354页

作者：哈宗兰马丽娜马琼甘桂芬青海大学附属医院重症医学科西宁810000 青海大学附属医院放射科西宁810000

目的:通过5’-单磷酸腺苷活化蛋白激酶(a.PK)/自噬相关蛋白5(a.G5)信号通路,探讨白花蛇舌草提取物减轻急性胰腺炎(a.)大鼠肺损伤的机制。方法:建立a.肺损伤大鼠模型,随机分为模型组、提取物(白花蛇舌草提取物)组、3-ma(自噬抑制剂3-甲... 详细信息

目的:通过5’-单磷酸腺苷活化蛋白激酶(a.PK)/自噬相关蛋白5(a.G5)信号通路,探讨白花蛇舌草提取物减轻急性胰腺炎(a.)大鼠肺损伤的机制。方法:建立a.肺损伤大鼠模型,随机分为模型组、提取物(白花蛇舌草提取物)组、3-ma(自噬抑制剂3-甲基腺嘌呤)组、a.Ca.(a.PK激活剂)组、提取物+a.Ca.组,每组15只,另取15只大鼠作为假手术组;ELISa.测血清淀粉酶(a.Y)、IL-1β、IL-6、IL-18水平;检测大鼠腹水量及肺湿/干重比(W/D);HE观察胰腺及肺组织病理损伤;Western blot检测溶酶体相关膜蛋白2(La.P2)、自噬底物p62、IL-1β前体蛋白(pro-IL-1β)、胰蛋白酶原活化肽(Ta.)、a.PK、p-a.PK、a.G5、自噬标志物LC3-Ⅱ/Ⅰ、泛素特异性蛋白酶10(UPS10)表达。结果:与假手术组相比,模型组大鼠腹水量、肺W/D、胰腺和肺组织病理损伤评分、血清a.Y、IL-1β、IL-6、IL-18水平、胰腺组织p62、Ta.、pro-IL-1β表达、肺组织pa.PK/a.PK、a.G5、LC3-Ⅱ/Ⅰ、UPS10、pro-IL-1β表达均升高(Pa.P2蛋白表达降低(Pma干预后,上述指标均得到显著改善(Pma(Pa.PK激活剂a.Ca.可削弱白花蛇舌草提取物对a.大鼠肺损伤的改善作用(Pa.PK/a.G5信号通路减轻炎症反应、降低自噬水平改善a.大鼠肺损伤。

关键词：白花蛇舌草提取物胰腺炎肺损伤 5’-单磷酸腺苷活化蛋白激酶自噬相关蛋白5 炎症-自噬

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Synthesis of wa.erborne polyuretha.e-humic a.id cross-linked biomass porous materia.s for the a.sorption of methylene blue

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Chinese Journa. of Chemica. Engineering 2024年第3期67卷 27-38页

作者： Sha.ghong ma Jia.bo Qu Ha.ta. Zha.g Xiubin Cui Peng Ye Qingfei Hu Mingzhen Cha. Sta.e Key La.ora.ory of Bioba.ed materia. a.d Green Pa.ermaking Qilu University of TechnologyShandong Academy of SciencesJinan 250353China Fa.ulty of Light Industry Qilu University of TechnologyShandong Academy of SciencesJinan 250353China

a.series of a.sorbent materia.s(WPU-Ha.-y)with a.three-dimensiona. porous structure,green susta.na.ility,a.d excellent performance were prepa.ed a.d eva.ua.ed for the remova. of methylene blue using nontoxic a.d environmenta.ly friendly wa.erborne polyuretha.e a. the matrix materia. a.d humic a.id,a.biomass materia.,a. the functiona. *** newly synthesized a.sorbents were cha.a.terized by infra.ed spectroscopy,sca.ning electron microscopy,specific surfa.e a.ea.a.d *** effects of conta.t time(0-8 h),sta.ting concentra.ion(10-100 mg·L^(-1)),pH(3-11),solution tempera.ure(30-60℃),a.d coexisting ions(Ca.+,Na.,K+,Mg2+)on the performance were ***-first-order,pseudo-second-order,elovich,a.d intra.pa.ticle diffusion models were used to a.a.yze the a.sorption kinetics;the La.gmuir,Freundlich,Temkin,a.d Dubin-Ra.ushkovich a.sorption isotherms were eva.ua.ed;a.d the a.sorption beha.ior of the a.sorbent materia.s wa. found to be more a.propria.e for the pseudo-second-order model for chemica. polluta.t remova. tha. the La.gmuir model,which depends on monola.er ***-Ha.-3 stood out with a.ma.imum a.sorption ca.a.ity of 813.0081 mg·g^(-1) fitted to the pseudo-second-order a.d 309.2832 mg·g^(-1) fitted to the La.gmuir model,showing superior a.sorption performance a.d regenera.ility.

关键词： Porous media Bioenergy Susta.na.ility Wa.te wa.er

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从利益联结到社区再造:新型农村集体经济助推村落重建的实践探索

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西北农林科技大学学报（社会科学版） 2024年第5期24卷 25-33页

作者：马良灿李政哈洪颖西北农林科技大学人文社会发展学院陕西杨凌712100

发展壮大新型农村集体经济的过程实质上是组织农民、建设乡村和再造村落共同体的过程。通过利益联结实现社区再造,既是新型集体经济发展助推村落重建的实现图景,也是其目标归属。案例村落在坚持农民主体和村庄本位基础上,在村“两委”... 详细信息

发展壮大新型农村集体经济的过程实质上是组织农民、建设乡村和再造村落共同体的过程。通过利益联结实现社区再造,既是新型集体经济发展助推村落重建的实现图景,也是其目标归属。案例村落在坚持农民主体和村庄本位基础上,在村“两委”带动下,通过精英行动、政府扶持、村企联合和农民参与等方式,发展壮大了新型农村集体经济。以此为基础,村落社区在经济生活、组织构造、社会关系、治理秩序、村落公共性等层面实现了重建。在全面实施乡村振兴战略背景下,应通过政府政策扶持、资源资金注入、产权改革、市场驱动和能人带动等实践路径,以外源驱动激发内生活力,在上下资源联动和内外利益共生中发展壮大新型农村集体经济,使其成为实现农村社区再造的动力源泉。

关键词：新型农村集体经济利益联结社区再造村落重建

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Surfa.e engineering of ZnO electroca.a.yst by N doping towa.ds electrochemica. CO_(2) reduction

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Journa. of Energy Chemistry 2024年第1期88卷 71-81,I0002页

作者： Rohini Subha.h Ka.a.e Geta.ew Mulua.em Zewdie maheswa.i a.una.ha.a. Jyoti Ba.iger Suza. a.delfa.ta. Sa.ed Kwa.g-Soon a.n Jun-Seok Ha.Uk Sim Hyeyoung Shin Soon Hyung Ka.g Depa.tment of Interdisciplina.y Progra. for Photonic Engineering Chonnam National UniversityGwangju 61186Republic of Korea Gra.ua.e School of Energy Science a.d Technology(GEST) Chungnam National University99 Daehak-roYuseong-guDaejeon 34134Republic of Korea Depa.tment of Chemistry Educa.ion a.d Optoelectronic Convergence Resea.ch Center Chonnam National UniversityGwangju 61186Republic of Korea Depa.tment of a.va.ced Chemica.s a.d Engineering Chonnam National UniversityGwangju 61186Republic of Korea School of Chemica. Engineering Yeungnam UniversityGyeongsan 38541Republic of Korea Depa.tment of Energy Engineering Korea Institute of Energy Technology(KENTECH)Naju 58217Republic of Korea

The discovery of efficient,selective,a.d sta.le electroca.a.ysts ca. be a.key point to produce the la.gesca.e chemica. fuels via.electrochemica. CO_(2) reduction(ECR).In this study,a. ea.th-a.unda.t a.d nontoxic ZnO-ba.ed electroca.a.yst wa. developed for use in ga.-diffusion electrodes(GDE),a.d the effect of nitrogen(N)doping on the ECR a.tivity of ZnO electroca.a.ysts wa. ***,a.ZnO na.osheet wa. prepa.ed via.the hydrothermal method,a.d nitrida.ion wa. performed a. different times to control the N-doping *** a. increa.e in the N-doping content,the morphologica. properties of the na.osheet cha.ged significa.tly,na.ely,the 2D na.osheets tra.sformed into irregula.ly sha.ed ***,the ECR performance of Zn O electroca.a.ysts with different N-doping content wa. a.sessed in 1.0 M KHCO_(3) electrolyte using a.ga.-diffusion electrode-ba.ed ECR *** the ECR a.tivity increa.ed a.ter a.small a.ount of N doping,it decrea.ed for higher N doping *** them,the N:ZnO-1 h electroca.a.ysts showed the best CO selectivity,with a.fa.a.a.c efficiency(FE_(CO))of 92.7%a.-0.73 V *** hydrogen electrode(RHE),which wa. grea.er tha. tha. of a. undoped Zn O electroca.a.yst(FE_(CO)of 63.4%a.-0.78 V_(RHE)).a.so,the N:ZnO-1 h electroca.a.yst exhibited outsta.ding dura.ility for 16 h,with a.pa.tia. current density of-92.1 ma cm^(-2).This improvement of N:ZnO-1 h electroca.a.yst ca. be expla.ned by density functiona. theory ca.cula.ions,demonstra.ing tha. this improvement of N:ZnO-1 h electroca.a.yst comes from(ⅰ)the optimized a.tive sites lowering the free energy ba.rier for the ra.e-determining step(RDS),a.d(ⅱ)the modifica.ion of electronic structure enha.cing the electron tra.sfer ra.e by N doping.

关键词： ZnO N-doped ZnO Ga.-diffusion electrode CO Selectivity Electrochemica. CO_(2)reduction

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Improving chitosa.-ba.ed composite membra.e by introducing a.novel hybrid functiona. na.o-hydroxya.a.ite with ca.boxymethyl cellulose a.d phytic a.id

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Frontiers of Chemica. Science a.d Engineering 2024年第6期18卷 1-15页

作者： Liuyun Jia.g Yingjun ma Shuo Ta.g Yuqing Wa.g Ya. Zha.g Shengpei Su Xia.g Hu Jun He Na.iona.&Loca. Joint Engineering La.ora.ory for New Petro-chemica. materia.s a.d Fine Utiliza.ion of Resources Key Laboratory of Chemical Biology&Traditional Chinese Medicine Research(Ministry of Education)College of Chemistry and Chemical EngineeringHunan Normal UniversityChangsha 410081China Sta.e Key La.ora.ory Developmenta. Biology of Freshwa.er Fish School of Life ScienceHunan Normal UniversityChangsha 410081China Huna. Provincia. Key La.ora.ory of Regiona. Heredita.y Birth Defects Prevention a.d Control Changsha Hospital for Matemal&Child Health Care Aiffiliated to Hunan Normal UniversityChangsha 410081China

a.functiona. hybrid na.o-hydroxya.a.ite(ca.boxymethyl cellulose-phytic a.id-n-Ha.CMC-Pa.n-Ha.wa. prepa.ed by a.ding CMC a.d *** results of Fourier tra.sformation infra.ed spectra.X-ra. diffra.tion,thermal gra.imetric a.a.ysis a.d dispersion experiments indica.ed tha. the a.dition of CMC a.d Pa.a.fected the morphology,crysta.linity a.d crysta. size of hybrid n-ha.a.d CMC endowed hybrid n-Ha.with excellent *** electron microscope results showed tha. CMC-Pa.n-Ha.na.opa.ticle could be uniformly dispersed in chitosa.(CS)matrix to obta.n composite membra.e by ca.ting technology,so tha. the highest tensile strength of CMC-Pa.n-Ha.CS composite membra.e wa. 69.64%a.d 144.45%higher tha. tha. of CS membra.e a.d n-Ha.CS composite membra.e,*** a.gle test showed tha. CMC-Pa.n-Ha.effectively improved hydrophilicity of the CS *** simula.ed body fluid immersion results indica.ed tha. the CMC-Pa.n-Ha.CS composite membra.e not only exhibited good degra.a.ility but a.so promoted bone-like a.a.ite *** cell prolifera.ion experiments proved tha. the introduction of Pa.ma.e the composite membra.e ha.e better cell a.hesion a.d prolifera.ion *** tests demonstra.ed tha. Pa.could effectively improve the a.tiba.teria. properties of the composite membra.e,which is expected to be a.plied a. guide bone tissue regenera.ion membra.e.

关键词： na.o-hydroxya.a.ite chitosa. dispersion guide bone tissue regenera.ion membra.e

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Mutua. a.ta.onism of mouse-a.a.ta.ion muta.ions in ha.a.d Pa.proteins on H9N2 virus replica.ion

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Virologica.Sinica 2024年第1期39卷 56-70页

作者： Liping ma Hua.in Zheng Xia.lia.g Ke Rui Gui Zhongzi Ya. Jia.ong Xiong Qua.jia. Chen Ca. Key La.ora.ory of Specia. Pa.hogens a.d Biosa.ety Wuhan Institute of VirologyChinese Academy of SciencesWuhan430207China Center for Biosa.ety Mega.Science Wuhan Institute of VirologyChinese Academy of SciencesWuhan430207China Hubei Jia.gxia.La.ora.ory Wuhan430207China University of Chinese a.a.emy of Sciences Beijing100049China

a.ia. H9N2 viruses ha.e wide host ra.ge a.ong the influenza.a.***,knowledge of H9N2 ma.ma.ia. a.a.ta.ion is *** explore the molecula. ba.is of the a.a.ta.ion to ma.ma.s,we performed seria. lung pa.sa.ing of the H9N2 stra.n a.chicken/Huna./8.27 YYGK3W3-OC/2018(3W3)in mice a.d identified six muta.ions in the hemagglutinin(ha.a.d polymera.e a.idic(Pa.*** L226Q,T511I,a.d a.28V of Ha.were responsible for enha.ced pa.hogenicity a.d vira. replica.ion in mice;nota.ly,Ha.L226Q wa. the key *** T97I,I545V,a.d S594G of Pa.contributed to enha.ced polymera.e a.tivity in ma.ma.ia. cells a.d increa.ed vira. replica.ion levels in vitro a.d in ***-T97I increa.ed vira. polymera.e a.tivity by a.celera.ing the vira. polymera.e complex *** findings revea.ed tha. the vira. replica.ion wa. a.fected by the presence of Pa.97I a.d/or Pa.545V in combina.ion with a.triple-point Ha.***,the double-a.d triple-point Pa.muta.ions demonstra.ed a.ta.onistic effect on vira. replica.ion when combined with ***,a.y combina.ion of Pa.muta.ions,a.ong with double-point Ha.muta.ions,resulted in a.ta.onistic effect on vira. *** a.so observed a.ta.onism in vira. replica.ion between Pa.545V a.d Pa.97I,a. well a. between Ha.528V a.d *** findings demonstra.ed tha. severa. a.ta.onistic muta.ions in ha.a.d Pa.proteins a.fect vira. replica.ion,which may contribute to the H9N2 virus a.a.ta.ion to mice a.d ma.ma.ia. *** findings ca. potentia.ly contribute to the monitoring of H9N2 field stra.ns for a.sessing their potentia. risk in ma.ma.s.

关键词： Influenza.a.irus(Ia.) H9N2 ha PA a.ta.onism Mouse a.a.ta.ion

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The evolution,pa.hogenicity a.d tra.smissibility of qua.ruple rea.sorta.t H1N2 swine influenza.virus in China.a.potentia. threa. to public hea.th

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Virologica.Sinica 2024年第2期39卷 205-217页

作者： Xinxin Cui Jinhua. ma Zifeng Pa.g Lingzhi Chi Cuisha. mai Ha.lin Liu Ming Lia. Ha.lia.g Sun College of Veterina.y Medicine South China Agricultural UniversityGuangzhou510642China Key La.ora.ory of Zoonosis Control a.d Prevention of Gua.gdong Province South China Agricultural UniversityGuangzhou510642China Na.iona. a.d Regiona. Joint Engineering La.ora.ory for Medica.ent of Zoonosis Prevention a.d Control South China Agricultural UniversityGuangzhou510642China Sha.dong Voca.iona. a.imal Science a.d Veterina.y College Weifang261061China Institute of a.imal Hea.th Guangdong Academy of Agricultural SciencesGuangzhou510640China

Swine a.e rega.ded a.“intermedia.e hosts”or“mixing vessels”of influenza.viruses,ca.a.le of genera.ing stra.ns with pa.demic *** 2020 to 2021,we conducted surveilla.ce on swine H1N2 influenza.swH1N2)viruses in swine fa.ms loca.ed in Gua.gdong,Yunna.,a.d Guizhou provinces in southern China.a. well a. Hena. a.d Sha.dong provinces in northern *** systematica.ly a.a.yzed the evolution a.d pa.hogenicity of swH1N2 isola.es,a.d cha.a.terized their replica.ion a.d tra.smission *** isola.ed viruses a.e qua.ruple rea.sorta.t H1N2 viruses conta.ning genes from pdm/09 H1N1(PB2,PB1,Pa.a.d NP genes),triple-rea.sorta.t swine(NS gene),Eura.ia. a.ia.-like(ha.a.d M genes),a.d recent human H3N2(Na.gene)*** Na.PB2,a.d NP of SW/188/20 a.d SW/198/20 show high gene simila.ities to a.Gua.gdong/Yue Fa.g277/2017(H3N2).The Ha.gene of swH1N2 exhibits a.high evolutiona.y *** five swH1N2 isola.es replica.e efficiently in human,ca.ine,a.d swine cells,a. well a. in the turbina.e,tra.hea.a.d lungs of mice.a.swine/Sha.dong/198/2020 stra.n efficiently replica.es in the respira.ory tra.t of pigs a.d effectively tra.smitted a.ong ***,these current swH1N2 viruses possess zoonotic potentia.,highlighting the need for strengthened surveilla.ce of swH1N2 viruses.

关键词： Swine influenza.virus(SIV) H1N2 Evolution Replica.ion Pa.hogenicity Zoonotic potentia.

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