检索结果-南通市图书馆

Atomistic Investigation of Shock-Induced Amorphization within micro-shear Bands in Hexagonal Close-Packed titanium

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Acta metallurgica Sinica(English Letters) 2024年第9期37卷 1590-1600页

作者： Z.C.meng K.g.Wang t.Ali D.Li C.g.Bai D.S.Xu S.J.Li A.H.feng g.J.Cao J.H.Yao q.B.fan H.Wang R.Yang Institute of metal Research Chinese Academy of SciencesShenyang 110016China School of materials Science and Engineering University of Science and Technology of ChinaShenyang 110016China Interdisciplinary Centre for Additive manufacturing(ICAm) School of Materials and ChemistryUniversity of Shanghai for Science and TechnologyShanghai 200093China School of materials Science and Engineering Tongji UniversityShanghai 201804China Key Laboratory for Light-Weight materials Nanjing Tech UniversityNanjing 210009China National Key Laboratory of Science and technology on materials Under Shock and Impact School of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081China Beijing Institute of technology Chongqing Innovation Center Chongqing 401135China

the mechanical response of a single crystal titanium sample against(0001)α surface impact was investigated using molecular dynamics ***,non-uniform plastic deformation was observed in the *** high strain rates,amorphization occurred near the edge of the contact region where severe shear strain induced a large number of stacking faults(Sfs)and *** contrast,the central part of the contact region underwent less deformation with significantly fewer ***,instead of amorphization by consuming Sfs and dislocations,there was a gradual increase in the density of dislocations and Sfs during the process of *** local amorphous regions eventually grew into shear bands.

关键词： Shock compression Amorphization Shear band titanium molecular dynamics

Syntheses of new di-nuclear and tetra-nuclear lanthanide 9-anthracenecarboxylates:magnetocaloric effect,slow magnetic relaxation and luminescent properties

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Rare Earths 2024年第6期42卷 1101-1109,I0004页

作者： Xing liu Ruonan Yang Lu zhang Jian Zhou Chunmei Huang Huahong Zou Zunhong Xiao Chongqing Key Laboratory of Inorganic functional materials College of ChemistryChongqing Normal UniversityChongqing401331China Key Laboratory for the Chemistry and molecular Engineering of medicinal Resources(ministry of Education of China) School of Chemistry and Chemical Engineering of Guangxi Normal UniversityGuilin541004China School of Chemistry and materials Guizhou Normal UniversityGuiyang550025China

Lanthanide complex-based materials with magnetic and luminescent properties have received a great deal of attention,owing to their importantly potential applications in diverse *** this work,the 9-anthracenecarboxylic acid(9-Haca)as bridging ligand was applied in combination with optically activeπ-conjugated 2,4,6-tri(2-pyridyl)-1,3,5-triazine(tptz)to construct a series of new di-nuclear and tetranuclear lanthanide 9-anthracenecarboxylates[La_(2)(9-aca)_(6)(tptz)_(2)(μ-H_(2)O)]·0.25H_(2)O(1),[Ln_(2)(9-aca)_(6)(tptz)_(2)(H_(2)O)_(2)]·0.5Aq·CH_(3)COOH_(2)H_(2)O[Ln=Sm(2a),Eu(2b),gd(2c),tb(2d),Dy(2e),tm(2f);Aq=9,10-anthracenedione]and[Ln_(4)(9-aca)_(10)(tptz)_(2)(CH3COO)2]·H_(2)O[Ln=Eu(3a),gd(3b),Dy(3c)].1 displays a di-nuclear centrosymmetric moiety[La_(2)(9-aca)_(6)(tptz)_(2)(μ-H_(2)O)]built up from two complex[La(9-aca)_(2)(tptz)]groups bridged by one H_(2)O molecule and two syn-syn-μ2-η1:η1-9-aca-bridging ligands,while 2a-2f are isostructural and co mprise another di-nuclear centrosymmetric moieties[Ln_(2)(9-aca)_(6)(tptz)_(2)(H_(2)O)_(2)]based on two complex[Ln(9-aca)_(2)(tptz)(H_(2)O)]groups connected by two syn-syn-μ2-η1:η1-9-aca-bridging ligands,3a-3c are isostructural and show tetra-nuclear centro symmetric moieties[Ln4(9-aca)10(tptz)2(CH3COO)2]containing three types of coordination modes of *** present compounds offer the only examples of lanthanide 9-anthracenecarboxylates decorated by optically active *** investigations of 2a,2c-2f,and 3b-3c indicate that 3c is typical of slow relaxation of the magnetization,while 2c and 3b show significant magnetocaloric effect(mCE)with the value of-ΔSm of 5.26 J/(kg·K)at 4 K and 15.65 J/(kg·K)at 2 K(ΔH=7 t),*** luminescent properties were also studied and reveal that the characteristic luminescent properties of the 7r-conjugated aromatic ligands are introduced into magnetic lanthanide 9-anthracenecarboxylates,simultaneously exhibiting slow magnetic relaxation(or mCE)and luminescen

关键词： Lanthanide complexes Luminescence magnetic properties magnetocaloric effect Slow magnetic relaxation Rare earths

Effect of sodium starch octenyl succinate-based Pickering emulsion on the physicochemical properties of hairtail myofibrillar protein gel subjected to multiple freeze-thaw cycles

在线全文

学校读者我要写书评

暂无评论

food Science and Human Wellness 2024年第2期13卷 1018-1028页

作者： Huinan Wang Jiaxin zhang Xinran liu Jinxiang Wang Xuepeng Li Jianrong Li Key Laboratory of food Nutrition and Safety Ministry of EducationCollege of Food Science and EngineeringTianjin University of Science and TechnologyTianjin 300457China College of food Science and technology Bohai UniversityNational R&D Branch Center of Surimi and Surimi Products ProcessingJinzhou 121013China

A Pickering emulsion based on sodium starch octenyl succinate(SSOS)was prepared and its effects on the physicochemical properties of hairtail myofibrillar protein gels(mPgs)subjected to multiple freeze-thaw(f-t)cycles were *** whiteness,water-holding capacity,storage modulus(g')and texture properties of the mPgs were significantly improved by adding 1%-2%Pickering emulsion(Pmeanwhile,Raman spectral analysis demonstrated that Pickering emulsion promoted the transformation of secondary structure,enhanced hydrogen bonds and hydrophobic interactions,and promoted the transition of disulfide bond conformation from g-g-g to g-g-t and *** an emulsion concentration of 2%,theα-helix content decreased by 10.37%,while theβ-sheet content increased by 7.94%,compared to the *** f-t cycles,the structure of the mPgs was destroyed,with an increase in hardness and a decrease in whiteness and water-holding capacity,however,the quality degradation of mPgs was reduced with 1%-2%Pickering *** findings demonstrated that SSOS-Pickering emulsions,as potential fat substitutes,can enhance the gel properties and the f-t stability of mPgs.

关键词： Pickering emulsion myofibrillar protein gel properties freeze-thaw stability Intermolecular interactions

SARS-CoV-2 RBD and Its Variants Can Induce Platelet Activation and Clearance:Implications for Antibody therapy and Vaccinations against COVID-19

在线全文

学校读者我要写书评

暂无评论

Research 2024年第3期2023卷 1-15页

作者： Xiaoying ma Jady liang guangheng Zhu Preeti Bhoria Aron A.Shoara Daniel t.macKeigan Christopher J.Khoury Sladjana Slavkovicl Lisha Lin Danielle Karakas Ziyan Chen Viktor Prifti Zhenze liu Chuanbin Shen Yuchong Li Cheng zhang Jiayu Dou Zack Rousseau Jiamin zhang tiffany Ni Xi Lei Pingguo Chen Xiaoyu Wu Hamed Shaykhalishahi Samira mubareka Kim AConnelly Haibo zhang Ori Rotstein Heyu Ni Department of Laboratory medicine and Pathobiology University of TorontoTorontoONCanada Department of Laboratory medicine Keenan Research Centre for Biomedical Science of St.Michael’s HospitalTorontoONCanada toronto Platelet Immunobiology group TorontoONCanada Department of Physiology University of TorontoTorontoONCanada CCOA therapeutics Inc. TorontoONCanada Canadian Blood Services Centre for Innovation TorontoONCanada the State Key Laboratory of Respiratory Disease Guangzhou Institute of Respiratory DiseaseThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhouGuangdongChina Department of Laboratory medicine The Second Affliated Hospital of Guangzhou University of Chinese MedicineGuangzhouChina Advanced Pharmaceutics&Drug Delivery Laboratory Leslie Dan Faculty of PharmacyUniversity of TorontoTorontoONCanada Department of medical microbiology and Infectious Disease Sunnybrook Health Science CentreToronto ONCanada Department of medicine University of TorontoTorontoONCanada Division of Cardiology.St.michael's Hospital TorontoONCanada Department of Anesthesiology and Pain medicine and Division of Critical Care medicine University of TorontoTorontoONCanada interdepartmental Division of Critical Care medicine University of TorontoTorontoONCanada Department of Surgery University of Toronto TorontoONCanada.

the COVID-19 pandemic caused by SARS-CoV-2 virus is an ongoing global health *** cases of COVID-19 and the rare cases of COVID-19 vaccine-induced-thrombotic-thrombocytopenia(VItt)are both associated with thrombosis and thrombocytopenia;however,the underlying mechanisms remain inadequately *** infection and vaccination utilize the spike protein receptor-binding domain(RBD)of *** found that intravenous injection of recombinant RBD caused significant platelet clearance in *** investigation revealed the RBD could bind platelets,cause platelet activation,and potentiate platelet aggregation,which was exacerbated in the Delta and Kappa *** RBD–platelet interaction was partially dependent on theβ3 integrin as binding was significantly reduced inβ3−/−***,RBD binding to human and mouse platelets was significantly reduced with relatedαIIbβ3 antagonists and mutation of the RgD(arginine-glycine-aspartate)integrin binding motif to RgE(arginine-glycine-glutamate).We developed anti-RBD polyclonal and several monoclonal antibodies(mAbs)and identified 4f2 and 4H12 for their potent dual inhibition of RBD-induced platelet activation,aggregation,and clearance in vivo,and SARS-CoV-2 infection and replication in Vero E6 *** data show that the RBD can bind platelets partially thoughαIIbβ3 and induce platelet activation and clearance,which may contribute to thrombosis and thrombocytopenia observed in COVID-19 and *** newly developed mAbs 4f2 and 4H12 have potential not only for diagnosis of SARS-CoV-2 virus antigen but also importantly for therapy against COVID-19.

关键词： Antibody diagnosis vaccine

A nanobody-based blocking enzyme-linked immunosorbent assay for detecting antibodies against pseudorabies virus glycoprotein E

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Integrative Agriculture 2024年第4期23卷 1354-1368页

作者： Huanhuan Lü Pinpin Ji Siyu liu Ziwei zhang Lei Wang Yani Sun Baoyuan liu Lizhen Wang qin Zhao Department of Preventive Veterinary medicine College of Veterinary MedicineNorthwest A&F University/Shaanxi Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic TechnologyMinistry of Agriculture and Rural AffairsYangling 712100China

Pseudorabies(PR)is an acute infectious disease of pigs caused by the PR virus(PRV)and results in great economic losses to the pig industry *** glycoprotein E(gE)-based enzyme-linked immunosorbent assay(ELISA)has been used to distinguish gE-deleted vaccine-immunized pigs from wild-type virus-infected pigs to eradicate PR in some *** has the advantages of small size and easy genetic engineering and has been a promising diagnostic ***,there were few reports about developing nanobody-based ELISA for detecting anti-PRV-gE *** the present study,the recombinant PRV-gE was expressed with a bacterial system and used to immunize the Bactrian ***,two nanobodies against PRV-gE were screened from the immunized camel by phage display ***,two nanobody-HRP fusion proteins were expressed with HEK293t *** PRV-gE-Nb36-HRP fusion protein was selected as the probe for developing the blocking ELISA(bELISA)to detect anti-PRV-gE *** optimizing the conditions of bELISA,the amount of coated antigen was 200 ng per well,and dilutions of the fusion protein and tested pig sera were separately 1:320 and 1:*** cut-off value of bELISA was 24.20%,and the sensitivity and specificity were 96.43 and 92.63%,*** detecting 233 clinical pig sera with the developed bELISA and a commercial kit,the results showed that the coincidence rate of two assays was 93.99%.Additionallly,epitope mapping showed that PRV-gE-Nb36 recognized a conserved conformational epitope in different reference PRV ***,great stability and low-cost nanobody-based bELISA for detecting anti-PRV-gE antibodies were *** bELISA could be used for monitoring and eradicating PR.

关键词： nanobody nanobody-HRP blocking ELISA PRV-gE antibody

modulation of phase boundary and domain structures to engineer strain properties in BNt-based ferroelectrics

在线全文

学校读者我要写书评

暂无评论

Journal of Advanced Ceramics 2024年第7期13卷 967-975页

作者： Yule Yang Zhiyong liu Pengrong Ren Yuqing mao Haijun Sun Bingliang liang Pu mao Kun guo Bing Xie Longlong Shu School of materials Science and Engineering Nanchang Hangkong UniversityNanchang 330063China School of materials Science and Engineering Xi'an University of TechnologyXi’an 710048China School of Aircraft Engineering Nanchang Hangkong UniversityNanchang 330063China School of Physics and materials Science Nanchang UniversityNanchang 330031China

Bismuth sodium titanate(BNt)ceramics exhibit outstanding strain responses but are unfavorable for application in high-sensitivity displacement actuators due to the large negative strain resulting from irreversible changes in their phase transition and domain ***,(1−x)Bi_(0.50)Na_(0.41)K_(0.09)tiO_(3)-xNaNbO_(3)(BNKt−xNN)solid solutions were prepared to improve the strain properties through the strategy of modulating the phase boundary and domain *** introduction of sodium niobate could effectively regulate the relative content of the tetragonal(P4bm)and rhombohedral(R3c)phases in the phase boundary *** ferroelectric-to-relaxor phase transition(t_(f−R))was reduced,and the ergodic relaxor(ER)state was nurtured at room *** zero-negative strain properties of S=0.41%and d_(33)^(*)=742 pm/V were achieved from the reversible transition between the ER and ferroelectric states under an applied electric field(x=0.04).Additionally,understanding the domain states via piezoelectric force microscopy(Pfm)and firstorder reversal curve(fORC)revealed that the superior strain responses originated from the reversible inter-transformation of substable macrodomains and polar nanoregions(PNRs)in the phase *** study provides new insight into the interplay between the evolution of phase boundaries and domain structures and the strain properties of BNt-based ceramics.

关键词： bismuth sodium titanate(BNt) domain structure phase boundary strain response relaxor state

Stepped-up development of accelerator mass spectrometry method for the detection of ^(60)fe with the HI-13 tandem accelerator

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nuclear Science and techniques 2024年第4期35卷 136-143页

作者： Yang zhang Sheng-quan Yan ming He qing-zhang Zhao Wen-Hui zhang Chao-Xin Kan Jian-ming Zhou Kang-Ning Li Xiao-fei Wang Jian-Cheng liu Zhao-Hua Peng Zhuo liang Ai-Ling Li Jian Zheng qi-Wen fan Yun-Ju Li You-Bao Wang Zhi-Hong Li Yang-Ping Shen Ding Nan Wei Nan Yu-qiang zhang Jia-Ying-Hao Li Jun-Wen tian Jiang-Lin Hou Chang-Xin guo Zhi-Cheng zhang ming-Hao Zhu Yu-Wen Chen Yu-Chen Jiang tao tian Jin-Long ma Yi-Hui liu Jing-Yu Dong Run-Long liu mei-Yue-Nan ma Yong-Shou Chen Wei-Ping liu Bing guo China Institute of Atomic Energy P.O.Box 275(10)Beijing 102413China College of Science Southern University of Science and TechnologyShenzhen 518055China School of Physics Xi’an Jiaotong UniversityXi’an 710049China

the moon provides a unique environment for investigating nearby astrophysical events such as *** samples retain valuable information from these events,via detectable long-lived“fingerprint”radionuclides such as^(60)*** this work,we stepped up the development of an accelerator mass spectrometry(AmS)method for detecting^(60)fe using the HI-13tandem accelerator at the China Institute of Atomic Energy(CIAE).Since interferences could not be sufficiently removed solely with the existing magnetic systems of the tandem accelerator and the following q3D magnetic spectrograph,a Wien filter with a maximum voltage of±60 kV and a maximum magnetic field of 0.3 t was installed after the accelerator magnetic systems to lower the detection background for the low abundance nuclide^(60)fe.A 1μm thick Si_(3)N_(4) foil was installed in front of the q3D as an energy *** particle detection,a multi-anode gas ionization chamber was mounted at the center of the focal plane of the ***,an^(60)fe sample with an abundance of 1.125×10^(-10)was used to test the new AmS *** results indicate that^(60)fe can be clearly distinguished from the isobar^(60)*** sensitivity was assessed to be better than 4.3×10^(-14)based on blank sample measurements lasting 5.8 h,and the sensitivity could,in principle,be expected to be approximately 2.5×10^(-15)when the data were accumulated for 100 h,which is feasible for future lunar sample measurements because the main contaminants were sufficiently separated.

关键词： Accelerator mass spectrometry Wien filter Isobar separation Supernovae Chang'e-5 lunar samples

textured Perovskite/Silicon tandem Solar Cells Achieving Over 30% Efficiency Promoted by 4-fluorobenzylamine Hydroiodide

在线全文

学校读者我要写书评

暂无评论

Nano-micro Letters 2024年第9期16卷 557-570页

作者： Jingjing liu Biao Shi qiaojing Xu Yucheng Li Yuxiang Li Pengfei liu Zetong SunLi Xuejiao Wang Cong Sun Wei Han Diannan Li Sanlong Wang Dekun zhang guangwu Li Xiaona Du Ying Zhao Xiaodan zhang Renewable Energy Conversion and Storage Center Solar Energy Conversion CenterInstitute of Photoelectronic Thin Film Devices and TechnologyNankai UniversityTianjin 300350People’s Republic of China Key Laboratory of Photoelectronic thin film Devices and technology of tianjin Tianjin 300350People’s Republic of China Haihe Laboratory of Sustainable Chemical transformations Tianjin 300192People’s Republic of China Engineering Research Center of thin film Photoelectronic technology of ministry of Education Tianjin 300350People’s Republic of China Collaborative Innovation Center of Chemical Science and Engineering(tianjin) Tianjin 300072People’s Republic of China Center of Single‑molecule Sciences Institute of Modern OpticsTianjin Key Laboratory of Micro‑Scale Optical Information Science and TechnologyCollege of Electronic Information and Optical EngineeringNankai University38 Tongyan RoadJinnan DistrictTianjin 300350People’s Republic of China Shenzhen Research Institute of Nankai University 16Th FloorYantian Science and Technology BuildingHaishan StreetYantian DistrictShenzhen 518083People’s Republic of China

monolithic textured perovskite/silicon tandem solar cells(tSCs)are expected to achieve maximum light capture at the lowest cost,potentially exhibiting the best power conversion ***,it is challenging to fabricate high-quality perovskite films and preferred crystal orientation on commercially textured silicon substrates with micrometersize ***,we introduced a bulky organic molecule(4-fluorobenzylamine hydroiodide(f-PmAI))as a perovskite *** is found that f-PmAI can retard the crystallization process of perovskite film through hydrogen bond interaction between f^(−)and fA^(+)and reduce(111)facet surface energy due to enhanced adsorption energy of f-PmAI on the(111)***,the bulky molecular is extruded to the bottom and top of perovskite film after crystal growth,which can passivate interface defects through strong interaction between f-PmA+and undercoordinated Pb^(2+)/I^(−).As a result,the additive facilitates the formation of large perovskite grains and(111)preferred orientation with a reduced trap-state density,thereby promoting charge carrier transportation,and enhancing device performance and *** perovskite/silicon tSCs achieved a champion efficiency of 30.05%based on a silicon thin film tunneling *** addition,the devices exhibit excellent longterm thermal and light stability without *** work provides an effective strategy for achieving efficient and stable tSCs.

关键词： Perovskite crystallization (111)preferred orientation Defect passivation Perovskite/silicon tandem solar cells

Low crude protein formulation with supplemental amino acids for its impacts on intestinal health and growth performance of growing-finishing pigs

在线全文

学校读者我要写书评

暂无评论

Journal of Animal Science and Biotechnology 2024年第4期15卷 1590-1606页

作者： marcos Elias Duarte Wanpuech Parnsen Shihai zhang marvio L.t.Abreu Sung Woo Kim Department of Animal Science North Carolina State UniversityRaleighNC 27695USA

Background Low crude protein(CP)formulations with supplemental amino acids(AA)are used to enhance intestinal health,reduce costs,minimize environmental impact,and maintain growth performance of ***,extensive reduction of dietary CP can compromise growth performance due to limited synthesis of non-essential AA and limited availability of bioactive compounds from protein supplements even when AA requirements are ***,implementing a low CP formulation can increase the net energy(NE)content in feeds causing excessive fat *** supplementation of functional AA,coupled with low CP formulation could further enhance intestinal health and glucose metabolism,improving nitrogen utilization,and growth *** experiments were conducted to evaluate the effects of low CP formulations with supplemental AA on the intestinal health and growth performance of growing-finishing *** In Exp.1,90 pigs(19.7±1.1 kg,45 barrows and 45 gilts)were assigned to 3 treatments:CON(18.0%CP,supplementing Lys,met,and thr),LCP(16.0%CP,supplementing Lys,met,thr,trp,and Val),and LCPt(16.1%CP,LCP+0.05%SID trp).In Exp.2,72 pigs(34.2±4.2 kg BW)were assigned to 3 treatments:CON(17.7%CP,meeting the requirements of Lys,met,thr,and trp);LCP(15.0%CP,meeting Lys,thr,trp,met,Val,Ile,and Phe);and VLCP(12.8%CP,meeting Lys,thr,trp,met,Val,Ile,Phe,His,and Leu).In Exp.3,72 pigs(54.1±5.9 kg BW)were assigned to 3 treatments and fed experimental diets for 3 phases(grower 2,finishing 1,and finishing 2).treatments were CON(18.0%,13.8%,12.7%CP for 3 phases;meeting Lys,met,thr,and trp);LCP(13.5%,11.4%,10.4%CP for 3 phases;meeting Lys,thr,trp,met,Val,Ile,and Phe);and LCPg(14.1%,12.8%,11.1%CP for 3 phases;LCP+glu to match SID glu with CON).All diets had 2.6 mcal/kg *** In Exp.1,overall,the growth performance did not differ among *** LCPt increased(Pthe duodenum and *** LCP and LCPt increased(Pt-1,4f2hc,and B0At exp

关键词： Amino acids growing-finishing pigs growth performance Intestinal health Low crude protein formulation Net energy