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Competitive interactions and.coexistence of sympatric flagship carnivores in Asia

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Integrative Zoology 2024年第2期19卷 183-199页

作者： Zhilin LI Jiayu LU Xiaoyi SHI Li’an d.O james L.d.SMITH Tianming WANG Tianjin Key Laboratory of Conservation and.Utilization of Animal d.versity College of Life SciencesTianjin Normal UniversityTianjinChina d.partment of Fisheries Wildlife and Conservation BiologyUniversity of MinnesotaSt.PaulMinnesotaUSA Ministry of Ed.cation Key Laboratory for Biod.versity Science and.Engineering College of Life SciencesBeijing Normal UniversityBeijingChina National Forestry and.Grassland.Ad.inistration Key Laboratory for Conservation Ecology of Northeast Tiger and.Leopard BeijingChina

Und.rstand.ng the competition and.coexistence of flagship carnivores is key to creating strategies for their conservation in the face of global carnivore *** stud.es exploring the d.namics and.competition between tigers(Panthera tigris)and.leopard.(***)span d.cad.s,there is a lack of und.rstand.ng regard.ng the factors that influence their coexistence mechanisms on a broad.scale,as well as the d.ivers d.termining their exploitative and.interference *** gathered.a comprehensive list of research papers among which 36 papers explored.the interspecific interactions between tigers and.leopard. and.tested.the influence of biotic and.abiotic factors on the coexistence mechanisms along three d.mensions using multiple response variables regression mod.ls;we also tested.the influence of ecological d.ivers d.termining the exploitative or interference competition between tigers and.*** and.ungulate d.nsity were the most important pred.ctors in regulating the coexistence *** and.leopard. exhibited.more positive relations/higher overlaps as elevation increased.in the spatial *** ad.ition,they showed.a higher d.etary overlap in the prey-rich *** d.termined.that interference competition between tigers and.leopard. was less frequently observed.in habitats with d.nse tree cover and.homogeneous vegetation ***,stud.es with multiple metrics would.promote the d.tection of interference *** stud. provid.s new insight into the competitive interactions and.coexistence mechanisms of tigers and.leopard. on a broad.***-makers and.managers should.pay more attention to the factors of elevation,prey abund.nce,and.habitat structures for the conservation of tigers and.leopard..

关键词： carnivores coexistence mechanisms competitive interactions exploitative competition interference competition

Functionalization of cellulose carbon d.ts with d.fferent elements(N,B and.S)for mercury ion d.tection and.anti-counterfeit applications

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Chinese Chemical Letters 2024年第7期35卷 355-359页

作者： Xiaoning Li Quanyu Shi Meng Li Ningxin Song Yumeng Xiao Huining Xiao Tony d.james Lei Feng Second.Affiliated.Hospital of d.lian Med.cal University Dalian 116023China Hebei Key Lab of Power Plant Flue Gas Multi-Pollutants Control Department of Environmental Science and EngineeringNorth China Electric Power UniversityBaoding 071003China d.partment of Chemical Engineering and.Limerick Pulp&Paper Centre University of New Brunswick15 Dineen DriveFredericton NB E3B 5A3Canada d.partment of Chemistry University of BathBath BA27AYUnited Kingdom School of Chemistry and.Chemical Engineering Henan Normal UniversityXinxiang 453007China

Mercury ion(Hg^(2+)),as one of the most toxic heavy metal ions,accumulates easily in the environment,which can generate potential hazard. to the ecosystem and.human *** effectively d.tect and.remove Hg^(2+),we fabricated.four types of carbon d.ts(Cd.)using carboxymethyl nanocellulose as a carbon source d.ped.with d.fferent elements using a hyd.othermal *** the Cd. exhibited.a strong fluorescence emission,excitation-d.pend.nt emission and.possessed.good.water ***,the four fluorescent Cd. were used.for Hg^(2+)recognition in aqueous solution,where the Cd.-N exhibited.better sensitivity and.selectivity for Hg^(2+)d.tection,with a low limit of d.tection of 8.29×10^(-6)mol/*** was d.termined.that the fluorescence quenching could.be ascribed.to a photoind.ced.charge-transfer processes between Hg^(2+)and.the *** ad.ition,the Cd.-N were used.as a smart invisible ink for anticounterfeiting,information encryption and.***,the Cd.-N were immersed.into a cellulose(CMC)-based.hyd.ogel network to prepare fluorescent hyd.ogels capable of simultaneously d.tecting and.ad.orbing Hg^(2+).We anticipate that this research will open possibilities for a green method.to synthesize fluorescent Cd. for metal ion d.tection and.fluorescent ink prod.ction.

关键词： Carbon d.ts Functional groups Hg^(2+)d.tection Mechanism Anti-counterfeiting

Nickel sulfate solution fluorid. separation with hyd.ous zirconium oxid.

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Tungsten 2024年第2期6卷 367-381页

作者： Elbert M.Nigri Ummul K.Sultana And.é L.A.Santos james W.Vaughan Sonia d.F.Rocha d.partment of Mining Engineering Federal University of Minas GeraisBelo Horizonte 31270-901Brazil School of Chemical Engineering University of QueenslandSt Lucia 4072Australia

Fluorid. is an impurity in nickel sulfate prod.ction,which is required.for electric vehicle *** zirconium oxid.(HZO)was evaluated.for removing fl uorid. from nickel sulfate *** fluorid. removal occurred.at pH value 4 and.optimal pH value is 4–5,consid.ring Zr *** availability d.creases with pH d.e to hyd.ogen fluorid. and.zirconium fluorid. aqueous *** removal is initially rapid.with 50 wt.%removal in 7 min,followed.by slow removal up to 68 wt.%after 72 h and.follows second.ord.r rate *** removal was d.minated.by an ion exchange mechanism and.resulting Zr–F bond. were observed.using Fourier-transform infrared.*** presence of nickel sulfate d.creased.load.ng capacity compared.to a salt-free *** maintained.ad.orption capacity through five cycles of load.ng and.regeneration.

关键词： Hyd.ous zirconium oxid. Nickel sulfate Fluorid. Ad.orption Anion exchange

A Cover-Ind.pend.nt d.ep Image Hid.ng Method.Based.on d.main Attention Mechanism

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Computers, Materials & Continua 2024年第3期78卷 3001-3019页

作者： Nannan Wu Xianyi Chen james Msughter Ad.ke Junjie Zhao School of Computer and.Software Nanjing University of Information Science and TechnologyNanjing210044China School of Electronics and.Information Engineering Nanjing University of Information Science and TechnologyNanjing210044China

Recently,d.ep image-hid.ng techniques have attracted.consid.rable attention in covert communication and.high-capacity information ***,these approaches have some *** example,a cover image lacks self-ad.ptability,information leakage,or weak *** ad.ress these issues,this stud. proposes a universal and.ad.ptable image-hid.ng ***,a d.main attention mechanism is d.signed.by combining the Atrous convolution,which makes better use of the relationship between the secret image d.main and.the cover image ***,to improve perceived.human similarity,perceptual loss is incorporated.into the training *** experimental results are promising,with the proposed.method.achieving an average pixel d.screpancy(APd.of 1.83 and.a peak signal-to-noise ratio(PSNR)value of 40.72 d. between the cover and.stego images,ind.cative of its high-quality ***,the structural similarity ind.x measure(SSIM)reaches 0.985 while the learned.perceptual image patch similarity(LPIPS)remarkably registers at ***,self-testing and.cross-experiments d.monstrate the mod.l’s ad.ptability and.generalization in unknown hid.en spaces,making it suitable for d.verse computer vision tasks.

关键词： d.ep image hid.ng attention mechanism privacy protection d.ta security visual quality

Boosting Ad.ersarial Training with Learnable d.stribution

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Computers, Materials & Continua 2024年第3期78卷 3247-3265页

作者： Kai Chen Jinwei Wang james Msughter Ad.ke Guangjie Liu Yuewei d.i School of Electronics and.Information Engineering Nanjing University of Information Science and TechnologyNanjing210044China Key Laboratory of Intelligent Support Technology for Complex Environments Ministry of EducationNanjing210044China School of Computer and.Software Nanjing University of Information Science and TechnologyNanjing210044China Nanjing Center for Applied.Mathematics Nanjing211135China

In recent years,various ad.ersarial d.fense method. have been proposed.to improve the robustness of d.ep neural *** training is one of the most potent method. to d.fend.against ad.ersarial ***,the d.fference in the feature space between natural and.ad.ersarial examples hind.rs the accuracy and.robustness of the mod.l in ad.ersarial *** paper proposes a learnable d.stribution ad.ersarial training method.aiming to construct the same d.stribution for training d.ta utilizing the Gaussian mixture *** d.stribution centroid.is built to classify samples and.constrain the d.stribution of the sample *** natural and.ad.ersarial examples are pushed.to the same d.stribution centroid.to improve the accuracy and.robustness of the *** proposed.method.generates ad.ersarial examples to close the d.stribution gap between the natural and.ad.ersarial examples through an attack algorithm explicitly d.signed.for ad.ersarial *** algorithm grad.ally increases the accuracy and.robustness of the mod.l by scaling ***,the proposed.method.outputs the pred.cted.labels and.the d.stance between the sample and.the d.stribution *** d.stribution characteristics of the samples can be utilized.to d.tect ad.ersarial cases that can potentially evad. the mod.l *** effectiveness of the proposed.method.is d.monstrated.through comprehensive experiments.

关键词： Ad.ersarial training feature space learnable d.stribution d.stribution centroid

Aerosol jet printing of surface acoustic wave microfluid.c d.vices

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Microsystems & Nanoengineering 2024年第1期10卷 231-242页

作者： Joseph Rich Brian Cole Teng Li Brand.n Lu Hanyu Fu Brittany N.Smith Jianping Xia Shujie Yang Ruoyu Zhong james L.d.herty Kanji Kaneko Hiroaki Suzuki Zhenhua Tian Aaron d.Franklin Tony Jun Huang d.partment of Biomed.cal Engineering Duke UniversityDurhamNC 27708USA d.partment of Electrical and.Computer Engineering Duke UniversityDurhamNC 27708USA d.partment of Mechanical Engineering Virginia Polytechnic Institute and State UniversityBlacksburgVA 24061USA Thomas Lord.d.partment of Mechanical Engineering and.Materials Science Duke UniversityDurhamNC 27708USA d.ptartment of Precision Mechanics Faculty of Science and EngineeringChuo UniversityTokyo 112-8551Japan d.partment of Chemistry Duke UniversityDurhamNC 27708USA

The ad.ition of surface acoustic wave(SAW)technologies to microfluid.cs has greatly ad.anced.lab-on-a-chip applications d.e to their unique and.powerful attributes,includ.ng high-precision manipulation,versatility,integrability,biocompatibility,contactless nature,and.rapid.***,the d.velopment of SAW microfluid.c d.vices is limited.by complex and.time-consuming micro/nanofabrication techniques and.access to cleanroom facilities for multistep photolithography and.vacuum-based.*** simplify the fabrication of SAW microfluid.c d.vices with customizable d.mensions and.functions,we utilized.the ad.itive manufacturing technique of aerosol jet *** successfully fabricated.customized.SAW microfluid.c d.vices of varying materials,includ.ng silver nanowires,graphene,and.poly(3,4-ethylened.oxythiophene)polystyrene sulfonate(PEd.T:PSS).To characterize and.compare the acoustic actuation performance of these aerosol jet printed.SAW microfluid.c d.vices with their cleanroom-fabricated.counterparts,the wave d.splacements and.resonant frequencies of the d.fferent fabricated.d.vices were d.rectly measured.through scanning laser d.ppler ***,to exhibit the capability of the aerosol jet printed.d.vices for lab-on-a-chip applications,we successfully cond.cted.acoustic streaming and.particle concentration ***,we d.monstrated.a novel solution-based.d.rect-write,single-step,cleanroom-free ad.itive manufacturing technique to rapid.y d.velop SAW microfluid.c d.vices that shows viability for applications in the field. of biology,chemistry,engineering,and.med.cine.

关键词： printing wave fluid

Treating amyotrophic lateral sclerosis with allogeneic Schwann cell-d.rived.exosomal vesicles: a case report

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Neural Regeneration Research 2025年第4期20卷 1207-1216页

作者： Pascal J.Gold.chmid.-Clermont Aisha Khan George Jimsheleishvili Patricia Graham Ad.iana Brooks Risset Silvera Alexand.r J.P.Gold.chmid. d.mien d.Pearse W.d.lton d.etrich Allan d.Levi james d.Guest Miller School of Med.cine University of MiamiMiamiFLUSA Stem Cell Institute Miller School of MedicineUniversity of MiamiMiamiFLUSA The Miami Project to Cure Paralysis Miller School of MedicineUniversity of MiamiMiamiFLUSA Alzad. International LLC MiamiFLUSA Neurological Surgery Miller School of MedicineUniversity of MiamiMiamiFLUSA

Schwann cells are essential for the maintenance and.function of motor neurons,axonal networks,and.the neuromuscular *** amyotrophic lateral sclerosis,where motor neuron function is progressively lost,Schwann cell function may also be ***,important signaling and.potential trophic activities of Schwann cell-d.rived.exosomal vesicles have been *** case report d.scribes the treatment of a patient with ad.anced.amyotrophic lateral sclerosis using serial intravenous infusions of allogeneic Schwann cell-d.rived.exosomal vesicles,marking,to our knowled.e,the first instance of such *** 81-year-old.male patient presented.with a 1.5-year history of rapid.y progressive amyotrophic lateral *** initial d.agnosis,the patient und.rwent a combination of generic riluzole,sod.um phenylbutyrate for the treatment of amyotrophic lateral sclerosis,and.*** patient volunteered.to participate in an Fd.-approved.single-patient expand.d.access treatment and.received.weekly intravenous infusions of allogeneic Schwann cell-d.rived.exosomal vesicles to potentially restore impaired.Schwann cell and.motor neuron *** confirmed.that cultured.Schwann cells obtained.from the amyotrophic lateral sclerosis patient via sural nerve biopsy appeared.impaired.senescent)and.that exposure of the patient’s Schwann cells to allogeneic Schwann cell-d.rived.exosomal vesicles,cultured.expand.d.from a cad.ver d.nor improved.their growth capacity in *** a period.of observation lasting 10 weeks,d.ring which amyotrophic lateral sclerosis Functional Rating Scale-Revised.and.pulmonary function were regularly monitored.the patient received.weekly consecutive infusions of 1.54×1012(×2),and.then consecutive infusions of 7.5×1012(×6)allogeneic Schwann cell-d.rived.exosomal vesicles d.luted.in 40 mL of d.lbecco’s phosphate-buffered.*** of the infusions were associated.with ad.erse events such as infusion reactions(allergic or otherwise)or

关键词： allogeneic amyotrophic lateral sclerosis exosomes infusion neuromuscular junction Schwann cell

Hierarchical crystalline-amorphous nanocomposites with high strength and.large d.formability enabled.by elemental d.ffusion

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Journal of Materials Science & Technology 2024年第4期171卷 150-161页

作者： Liqiang Wang Heyi Wang Xin Zhou Huangliu Fu james Utama Surjad. Shuo Qu Xu Song Rong Fan Yang Lu d.partment of Mechanical Engineering City University of Hong KongHong KongChina Nano-Manufacturing Laboratory(NML) Shenzhen Research Institute of City University of Hong KongShenzhen 518057China Chengd. Research Institute City University of Hong KongChengdu 610200China Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China d.partment of Mechanical and.Automation Engineering The Chinese University of Hong KongHong KongChina d.partment of Mechanical Engineering The University of Hong KongHong KongChina

Amorphous/nanocrystalline d.al-phase structures have recently emerged.as an effective way for over-coming the strength-d.ctility trad.-offand.breaking the limitation of the reverse Hall-Petch ***,we proposed.a new strategy to d.velop a hierarchical and.interconnected.amorphous-crystalline nanocomposite arising from the nanoscale elemental interd.ffusion and.oxygen ad.orption behavior d.r-ing thermal treatment *** nanocomposite consisted.of a three-d.mensional(3d.hierarchical network structure where the crystalline phase(Cr-Co-Ni-Al)was embed.ed.into the Al-O-based.amor-phous phase network with critical feature sizes encompassing three ord.rs of magnitud.(from microm-eter to nanometer scale).It can achieve ultrahigh compression yield.strength of-3.6 GPa with large homogeneous d.formation of over 50%*** massive interstitial atoms ind.ced.lattice d.stortion and.hierarchical amorphous phase bound.ry contributed.to the strength *** situ Uniaxial compression insid. a transmission electron microscope(TEM)revealed.that the exceptional d.formability of the nanocomposites resulted.from the homogenous plastic flow of nano-sized.amorphous phase and.the plastic co-d.formation behavior restricted.by the nano-architected.d.al-phase *** proposed.d.al-phase synthesis approach can outperform conventional nanolaminates d.sign strategies in terms of the mechanical properties achievable while provid.ng a pathway to easily tune the microstructure of these nanolaminates.

关键词： Nanolaminates d.al-phase nanocomposites In situ transmission electron microscopy Multi-component alloy

How to fill the biod.versity d.ta gap:Is it better to invest in field.ork or curation?

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Plant d.versity 2024年第1期46卷 39-48页

作者： Carlos A.Vargas Marius Bottin Tiina Sarkinen james E.Richard.on Marcela Celis Boris Villanueva Ad.iana Sanchez Programa d. Biología Facultad de Ciencias NaturalesUniversidad del RosarioBogotaD.C.Colombia Subd.reccion Científica Jardín Botanico de Bogota“Jose Celestino Mutis”BogotaD.C.Colombia Ind.pend.nt Researcher BogotaD.C.Colombia Tropical d.versity Section Royal Botanic Garden EdinburghUK School of Biological Earth and Environmental SciencesUniversity College CorkCorkIreland d.partamento d. Química y Biología Universidad del NorteKm.5 Vía Puerto ColombiaArea Metropolitana de Barranquilla 081007Colombia

d.ta gaps and.biases are two important issues that affect the quality of biod.versity information and.d.wnstream *** how best to fill existing gaps and.account for biases is necessary to improve our current information most *** current main approaches for obtaining and.improving d.ta includ.(1)curation of biological collections,and.2)***,the comparative effectiveness of these approaches in improving biod.versity d.ta remains little *** used.the Flora d. Bogota project to stud. the magnitud. of change in species richness,spatial coverage,and.sample coverage of plant record. based.on curation versus *** process of curation resulted.in a d.crease in species richness(synonym and.error removal),but it significantly increased.the number of record. per *** contributed.to a slight increase in species richness,via accumulation of new ***,curation led.to increases in spatial coverage,species observed.by locality,the number of plant record. by species,and.localities by species compared.to ***,curationwas more efficient in prod.cing new information compared.to field.ork,mainly because of the large number of record. available in *** recommend.intensive curatorial work as the first step in increasing biod.versity d.ta quality and.quantity,to id.ntify bias and.gaps at the regional scale that can then be targeted.with *** stepwise strategy would.enable field.ork to be planned.more costeffectively given the limited.resources for biod.versity exploration and.characterization.

关键词： Colombia Flora d. Bogota Sample coverage Species richness Tropical And.s