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Deep optics preconditioner for modulation-free pyramid wavefront sensing

Photonics Research 2024年第2期12卷 301-312页

作者： FELIPE GUZMÁN JORGE TAPIA CAMILO WEINBERGER NICOLÁs hernÁndez JORGE BACCA BENOIT NEICHEL EsTEBAN VERA school of Electrical Engineering Pontificia Universidad Católica de Valparaı´soValparaı´soChile Department of systems Engineering Universidad Industrial de SantanderBucaramangaColombia Laboratoire d’Astrophysique de Marseille MarseilleFrance

The pyramid wavefront sensor(PWFs)can provide the sensitivity needed for demanding adaptive optics applications,such as imaging exoplanets using the future extremely large telescopes of over 30 m of diameter(D).However,its exquisite sensitivity has a limited linear range of operation,or dynamic range,although it can be extended through the use of beam modulation—despite sacrificing sensitivity and requiring additional optical *** by artificial intelligence techniques,this work proposes to train an optical layer—comprising a passive diffractive element placed at a conjugated Fourier plane of the pyramid prism—to boost the linear response of the pyramid sensor without the need for cumbersome *** develop an end-2-end simulation to train the diffractive element,which acts as an optical preconditioner to the traditional least-square modal phase estimation *** results with a large range of turbulence conditions show a noticeable improvement in the aberration estimation performance equivalent to over 3λ∕D of modulation when using the optically preconditioned deep PWFs(DPWFs).Experimental results validate the advantages of using the designed optical layer,where the DPWFs can pair the performance of a traditional PWFs with 2λ∕D of *** and adding an optical preconditioner to the PWFs is just the tip of the iceberg,since the proposed deep optics methodology can be used for the design of a completely new generation of wavefront sensors that can better fit the demands of sophisticated adaptive optics applications such as ground-to-space and underwater optical communications and imaging through scattering media.

关键词： process optics pyramid

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Trichoderma *** Bacillus *** growth promoters in maize(Zea mays L.)

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Phyton-International Journal of Experimental Botany 2019年第1期88卷 37-46页

作者： López-Valenzuela BE Armenta-Bojórquez AD hernández-verdugo s Apodaca-sánchez MA samaniego-Gaxiola JA Valdez-Ortiz A Universidad Autónoma de sinaloa.Facultad de Agricultura del Valle del Fuerte.Avenida Japaraqui y Calle 16 s/n Juan JoséRíosSinaloaC.P 81110México Universidad Autónoma de Baja California.Instituto de Ciencias Agrícolas.Carretera a Delta s/n Ejido Nuevo leónBaja CaliforniaC.P.21705México Instituto Politécnico Nacional.Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad sinaloa.Blvd.Juan de Dios Bátiz Paredes#250 Colonia San JoachinGuasaveSinaloaC.P.81101México Universidad Autónoma de sinaloa Facultad de Agronomía.Km.17.5Carretera Culiacán-El DoradoCuliacán RosalesSinaloaC.P.80000México Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias Campo Experimental La LagunaBlvd.JoséSantos Valdez 1200 Pte.MatamorosCoahuilaC.P.27440México Universidad Autónoma de sinaloa Facultad de Ciencias Químico Biológicas.Calzada de las Américas y Calle Universitarioss/n.Ciudad UniversitariaCuliacánSinaloaC.P.80013México

Microbes that are beneficial to plants are used to enhance the crop growth,yield and are alternatives to chemical *** and Bacillus are the predominant plant growth-promoting fungi and *** objective of this study was select,characterize,and evaluate isolates of Trichoderma *** Bacillus *** from the northern region of sinaloa,Mexico,and assess their effect on growth promotion in maize(Zea mays L.).In greenhouse conditions,four Trichoderma isolates and twenty Bacillus isolates,as well as two controls,were tested in a completely randomized design with three *** selected the two best strains of Trichoderma and Bacillus:TB=Trichoderma asperellum,TF=Trichoderma virens,B14=Bacillus cereus sensu lato and B17=Bacillus cereus,which were evaluated in the field in a completely randomized blocks in factorial arrangement design with three replicates applying different rates of nitrogen fertilizer(0,150 kg N/ha,and 300 kg N/ha).Treatments 5(B17=***)and 11(TF=***)both fertilized with 150 kg N/ha showed similar yields and they did not reveal significant differences from the treatments fertilized with 300 kg N/*** indicated that treatment 5(B17=*** with 150 kg N/ha)and treatment 11(TF=*** with 150 kg N/ha)were efficient as growth promoters,by not showing significant differences in root volume and dry weight of *** results indicated a reduction of 50% in the rate of nitrogen to fertilizer required for maize(Zea mays L.)*** microorganisms Trichoderma and Bacillus could be an alternative to reduce the use of chemical fertilizers in maize.

关键词： Trichoderma Bacillus Native strains Biofertilizers

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Geochemistry and mineralogy of beach sediments in the northern Gulf of Mexico,Tamaulipas state,Mexico:implication for provenance

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Journal of Palaeogeography 2024年第3期13卷 375-400页

作者： Mayank shukla sanjeet K.Verma Mayla A.Ramos-Vázquez John s.Armstrong-Altrin Karla R.hernández-Martínez sumit Mishra Vivek P.Malviya Héctor hernández-Mendoza Posgrado de la Division de Geociencias Aplicadas Instituto Potosino de Investigacion Científica y Tecnologica(IPICYT)Camino a la Presa San José2055San Luis Potosí78216Mexico Division de Geociencias Aplicadas Instituto Potosino de Investigación Científica y Tecnologica(IPICYT)Camino a la Presa San Jose 2055San Luis Potosí78216Mexico Universidad Nacional Autonoma de México Instituto de Ciencias del Mar y LimnologíaUnidad de ProcesosOceanicos y CosterosCiudad UniversitariaCiudad de México 04510Mexico Department of Marine sciences Bharathidasan UniversityTiruchirappalli620024Tamil NaduIndia Instituto de Geociencias Universidad Nacional Autonoma de MéxicoBoulevard Juriquilla 300176230JuriquillaQueretaroMexico Department of Applied Geology Dr.Harisingh Gour Central UniversitySagar470002Madhya PradeshIndia Instituto de Investigacion de Zonas Desérticas Universidad Autònoma de San Luis PotosíAltair 200CP 78377San LuisS.L.P.Mexico Universidad del Centro de Mexico Capitán Caldera 75CP 78250San LuisS.L.P.Mexico

Geochemical and mineralogical studies were performed in the La Pesca(LP)and Tesoro Altamira(TA)beach sediments,located in the Tamaulipas state,northern Gulf of *** main aim of this study is to infer the weathering history and provenance and to discriminate the tectonic environment of the beach *** sediments are composed of quartz with small amounts of accessory minerals such as plagioclase,calcite,orthoclase,microcline,and *** beach sediments are classified as fine-grained and very well sorted,however LP has coarse skewed and leptokurtic sediments,whereas TA has fine-skewed and very leptokurtic *** chemical index of weathering(CIW’)indicates intense weathering in the source *** quartz grain microtextures in the LP and TA are classified into mechanical,chemical,and mechanical/chemical *** features such as fractures,pits,percussion marks,abrasion fatigue,and V-shaped marks favor high-energy littoral,fluvial,subaqueous-marine,and aeolian *** chemical features indicate solution pits and crystalline overgrowth,which suggests a silica saturated marine *** mechanical/chemical features display adhering particles and elongated depressions suggest formation in a sub-aqueous nearshore marine *** and trace elements-based provenance discrimination diagrams indicate a felsic source derived from the Mesa Central(MC),sierra Madre Oriental(sMOr)and Oaxaquia *** major and trace element concentrations imply a passive margin setting for the northern Gulf of Mexico,which is consistent with the general geology.

关键词： Beach sediments Geochemistry Mineralogy Provenance Tamaulipas Tectonic setting

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Metal-modulated epitaxy of Mg-doped Al_(0.80)In_(0.20)N-based layer for application as the electron blocking layer in deep ultraviolet light-emitting diodes

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Journal of semiconductors 2024年第5期45卷 80-89页

作者： Horacio Irán solís-Cisneros Carlos Alberto hernández-Gutiérrez Enrique Campos-González Máximo López-López Optomechatronics Group Tecnológico Nacional de México Campus Tuxtla Gutiérrezcarretera Panamericana 1080C.P.29050Tuxtla GutiérrezChiapasMéxico Departamento de Física Instituto Nacional de Investigaciones NuclearesCarretera México-Toluca s/nC.P.52750La Marquesa OcoyoacacMéxico Departamento de Física Centro de Investigación y estudios Avanzados del Instituto Politécnico NacionalAv.Instituto Politécnico Nacional 2508San Pedro ZacatencoGustavo A.Madero07360 Ciudad de MéxicoCDMXMéxico

This work reports the growth and characterization of p-AlInN layers doped with Mg by plasma-assisted molecular beam epitaxy(PAMBE).AlInN was grown with an Al molar fraction of 0.80 by metal-modulated epitaxy(MME)with a thickness of 180 nm on si(111)substrates using AlN as buffer *** substrate temperatures were used to enhance the incorporation of indium atoms into the alloy without clustering,as confirmed by X-ray diffraction(XRD).Cathodoluminescence measurements revealed ultraviolet(UV)range ***,Hall effect measurements indicated a maximum hole mobility of 146 cm^(2)/(V∙s),corresponding to a free hole concentration of 1.23×10^(19)cm^(−3).The samples were analyzed by X-ray photoelectron spectroscopy(XPs)estimating the alloy composition and extracting the Fermi level by valence band ***-doped AlInN layers were studied for use as the electron-blocking layer(EBL)in LED *** varied the Al composition in the EBL from 0.84 to 0.96 molar fraction to assess its theoretical effects on electroluminescence,carrier concentration,and electric field,using sILVACO *** results from this study highlight the importance and capability of producing high-quality Mg-doped p-AlInN layers through *** simulations suggest that an Al content of 0.86 is optimal for achieving desired outcomes in electroluminescence,carrier concentration,and electric field.

关键词： metal-modulated epitaxy AlInN DUV-LED EBL simulation

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Dendritic spine degeneration:a primary mechanism in the aging process

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Neural Regeneration Research 2025年第6期20卷 1696-1698页

作者： Gonzalo Flores Leonardo Aguilar-hernández Fernado García-Dolores Humberto Nicolini Andrea Judith Vázquez-hernández Hiram Tendilla-Beltrán Instituto de Fisiología Benemérita Universidad Autónoma de Puebla(BUAP)PueblaMexico Instituto de Ciencias Forenses(INCIFO) Tribunal Superior de Justicia de la Ciudad de México(TSJCDMX).Mexico CityMexico Instituto Nacional de Medicina Genómica(INMEGEN) Mexico CityMexico

Recent reports suggest that aging is not solely a physiological process in living beings;instead, it should be considered a pathological process or disease(Amorim et al., 2022). Consequently, this process involves a wide range of factors, spanning from genetic to environmental factors, and even includes the gut microbiome(GM)(Mayer et al., 2022). All these processes coincide at some point in the inflammatory process, oxidative stress, and apoptosis, at different degrees in various organs and systems that constitute a living organism(Mayer et al., 2022;Aguilarhernández et al., 2023).

关键词： aging process stress

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Resilience to structural and molecular changes in excitatory synapses in the hippocampus contributes to cognitive function recovery in Tg2576 mice

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Neural Regeneration Research 2024年第9期19卷 2068-2074页

作者： Carolina Aguado sara Badesso JoséMartínez-hernández Alejandro Martín-Belmonte Rocío Alfaro-Ruiz Miriam Fernández Ana Esther Moreno-Martínez Mar Cuadrado-Tejedor Ana García-Osta Rafael Luján synaptic structure Laboratory Instituto de Investigación en Discapacidades Neurológicas(IDINE)Department of Medical SciencesFacultad de MedicinaUniversidad de Castilla-La ManchaCampus BiosanitarioAlbaceteSpain Gene Therapy for Neurological Disease Program Center for Applied Medical Research(CIMA)University of NavarraInstituto de Investigación Sanitaria de Navarra(IdiSNA)PamplonaSpain Pharmacology Unit Department of Pathology and Experimental TherapeuticsFaculty of Medicine and Health SciencesInstitute of NeurosciencesUniversity of BarcelonaBarcelonaSpain Neuropharmacology and Pain Group Neuroscience ProgramInstitut d’InvestigacióBiomèdica de BellvitgeIDIBELLL’Hospitalet de LlobregatSpain Department of Pathology Anatomy and PhysiologySchool of MedicineUniversity of NavarraPamplonaSpain UniversitéGrenoble Alpes Grenoble Institut des NeurosciencesGrenobleFrance

Plaques of amyloid-β(Aβ)and neurofibrillary tangles are the main pathological characteristics of Alzheimer’s disease(AD).However,some older adult people with AD pathological hallmarks can retain cognitive *** the factors that lead to this cognitive resilience to AD offers promising prospects for identifying new therapeutic *** hypothesis focuses on the contribution of resilience to changes in excitatory synapses at the structural and molecular levels,which may underlie healthy cognitive performance in aged AD *** the Morris Water Maze test,we selected resilient(asymptomatic)and cognitively impaired aged Tg2576 *** the enzyme-linked immunosorbent assay showed similar levels of Aβ42 in both experimental groups,western blot analysis revealed differences in tau pathology in the pre-synaptic supernatant *** further investigate the density of synapses in the hippocampus of 16-18 month-old Tg2576 mice,we employed stereological and electron microscopic *** findings indicated a decrease in the density of excitatory synapses in the stratum radiatum of the hippocampal CA1 in cognitively impaired Tg2576 mice compared with age-matched resilient Tg2576 and non-transgenic ***,through quantitative immunoelectron microscopy in the hippocampus of impaired and resilient Tg2576 transgenic AD mice,we uncovered differences in the subcellular localization of glutamate ***,the density of GluA1,GluA2/3,and mGlu5 in spines and dendritic shafts of CA1 pyramidal cells in impaired Tg2576 mice was significantly reduced compared with age-matched resilient Tg2576 and non-transgenic ***,the density of GluA2/3 in resilient Tg2576 mice was significantly increased in spines but not in dendritic shafts compared with impaired Tg2576 and non-transgenic *** subcellular findings strongly support the hypothesis that dendritic spine plasticity and synaptic machinery in the hippocampus play cr

关键词： aging Alzheimer´s disease cognitive hippocampus immunoelectron microscopy resilience synapse

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Optical magnetic field enhancement using ultrafast azimuthally polarized laser beams and tailored metallic nanoantennas

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Photonics Research 2024年第5期12卷 1078-1092页

作者： RODRIGO MARTIN-hernAndez LORENZ GRUNEWALD LUIs sANCHEZ-TEJERINA LUIs PLAJA ENRIQUECONEJERO JARQUE CARLOs hernAndez-GARCIA sEBAsTIAN MAI Grupo de Investigacion en Aplicaciones del Laser y Fotonica Departamento de Fisica AplicadaUniversidad de SalamancaE-37008 SalamancaSpain Unidad de Excelencia en Luz y Materia Estructuradas(LUMEs) Universidad de SalamancaE-37008 SalamancaSpain Institute of Theoretical Chemistry Faculty of ChemistryUniversity of Vienna1090 ViennaAustria Vienna Doctoral school in Chemistry(DosChem) Faculty of ChemistryUniversity of Vienna1090 ViennaAustria Departamento de Electricidad y Electrónica Universidad de Valladolid47011 ValladolidSpain

*** *** thank Valentina shumakova,Elizaveta Gangrskaia,Alessandra Bellissimo,Audrius Pugzlys,and Andrius Baltu?ka for fruitful discussions and computational support by the Vienna scientific Cluster(VsC 4).The authors thankfully acknowledge the computer resources at MareNostrum and sCAYLE,and the technical support provided by Barcelona supercomputing Center(REs-FI-2022-3-0041).R.M.-H.,L.s.-T.,L.P.,E.C.J.,and C.H.-*** funding from the European Research Council(ERC)under the European Union’s Horizon 2020 research and innovation program(Grant Agreement No.851201)and support from Ministerio de Ciencia e Innovación(PID2022-142340NB-I00,PID2019-106910GB-I00).This research was funded in whole or in part by the Austrian science Fund(FWF)(10.55776/ZK91).For open access purposes,the author has applied a CC BY public copyright license to any author accepted manuscript version arising from this submission.

关键词： metallic polarized discussions

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The effect of slime accumulated in a long-term operating UAsB using crude glycerol to treat s-rich wastewater

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Journal of Environmental sciences 2024年第1期135卷 353-366页

作者： Xudong Zhou Eva Fernández-Palacios Antoni DDorado Javier Lafuente Xavier Gamisans David Gabriel Key Laboratory of Urban Pollutant Conversion Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China GENOCOV Research Group Department of ChemicalBiological and Environmental EngineeringEscola d’EnginyeriaUniversitat Autònoma de Barcelona08193 BellaterraSpain Department of Mining Industrial and ICT EngineeringUniversitat Politècnica de CatalunyaAvinguda de les Bases de Manresa 61-7308242 ManresaSpain

An up-flow anaerobic sludge blanket(UAsB)reactor targeting sulfate reduction was operated under a constant TOC/s-sO2-4ratio of 1.5±0.3 g C/g s for 639 days using crude glycerol as carbon source.A filamentous and fluffy flocculant material,namely slime-like substances(sLs),was gradually accumulated in the bioreactor after the cease of methanogenic *** accumulation of sLs was followed by a decrease in the removal efficiencies and a deterioration in the *** characteristics of sLs were investigated to explore the causes of its formation and the effect of sLs on the UAsB *** showed that glycerol fermentation and sulfate reduction processes taking place in the reactor were mainly accomplished in the bottom part of the UAsB reactor,as the sludge concentration in the bottom was *** accumulation of sLs in the UAsB reactor caused sludge flotation that further led to biomass washout,which decreased the sulfate and glycerol removal *** activity tests performed with granular sludge(Gs),slime-covered granular sludge(sCGs)and sLs showed that there was no difference between Gs and sLs in the mechanism of glycerol fermentation and sulfate ***,the specific sulfate reduction rate of Gs was higher than that of sLs,while sLs showed a higher glycerol fermentation rate than that of *** different rates in Gs and sLs were attributed to the higher relative abundances of fermentative microorganisms found in sLs and higher relative abundances of sulfate reducing bacteria(sRB)found in Gs.

关键词： sludge flotation Granular sludge slime-like substances Glycerol fermentation sulfate reduction Removal efficiency

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Role of climatic variability in shaping intraspecific variation of thermal tolerance in Mediterranean water beetles

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Insect science 2024年第1期31卷 285-298页

作者： susana Pallarés David Garoffolo Belén Rodríguez David sánchez-Fernández Department of Zoology University of SevilleSevilleSpain Faculty of Biology Department of Ecology and HydrologyUniversity of MurciaCampus EspinardoMurciaSpain

The climatic variability hypothesis(CVH)predicts that organisms in more thermally variable environments have wider thermal breadths and higher thermal plasticity than those from more stable ***,due to evolutionary trade-offs,taxa with greater absolute thermal limits may have little plasticity of such limits(trade-off hypothesis).The CVH assumes that climatic variability is the ultimate driver of thermal tolerance variation across latitudinal and altitudinal gradients,but average temperature also varies along such *** explored intraspecific variation of thermal tolerance in three typical Mediterranean saline water beetles(families Hydrophilidae and Dytiscidae).For each species,we compared two populations where the species coexist,with similar annual mean temperature but contrasting thermal variability(continental *** population).We estimated thermal limits of adults from each population,previously acclimated at 17,20,or 25℃.We found species-specific patterns but overall,our results agree with the CVH regarding thermal ranges,which were wider in the continental(more variable)*** the two hydrophilid species,this came at the cost of losing plasticity of the upper thermal limit in this population,supporting the trade-off hypothesis,but not in the dytiscid *** results support the role of local adaptation to thermal variability and trade-offs between basal tolerance and physiological plasticity in shaping thermal tolerance in aquatic ectotherms,but also suggest that intraspecific variation of thermal tolerance does not fit a general pattern among aquatic *** such intraspecific variation could lead to inaccurate predictions of the vulnerability of aquatic insects to global warming.

关键词： acclimation capacity aquatic insects climate change heat coma temperature supercooling point thermal plasticity

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DNA metabarcoding reveals seasonal changes in diet composition across four arthropod-eating lizard species(Phrynosomatidae:sceloporus)

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Integrative Zoology 2024年第3期19卷 480-495页

作者： Mauricio hernÁndez stephanie HEREIRA-PACHECO Antton ALBERDI Aníbal H.DÍAZ DE LA VEGA-PÉREZ Arturo EsTRADA-TORREs sergio ANCONA Yendi E.NAVARRO-NOYA Doctorado en Ciencias Biológicas Centro Tlaxcala de Biología de la ConductaUniversidad Autónoma de TlaxcalaTlaxcalaMexico Estación Científica La Malinche Centro Tlaxcala de Biología de la ConductaUniversidad Autónoma de TlaxcalaTlaxcalaMexico Center for Evolutionary Hologenomics The Globe InstituteUniversity of CopenhagenCopenhagenDenmark Consejo Nacional de Ciencia y Tecnología-Centro Tlaxcala de Biología de la Conducta Universidad Autónoma de TlaxcalaTlaxcalaMexico Departamento de Ecología Evolutiva Instituto de EcologíaUniversidad Nacional Autónoma de MéxicoMexico CityMexico Laboratorio de Interacciones Bióticas Centro de Investigación en Ciencias BiológicasUniversidad Autónoma de TlaxcalaSan Felipe IxtacuixtlaTlaxcalaMexico

Diet composition and its ecological drivers are rarely investigated in coexisting closely related *** used a molecular approach to characterize the seasonal variation in diet composition in four spiny lizard species inhabiting a mountainous *** metabarcoding revealed that the lizards sceloporus aeneus,***,***,and *** mostly consumed arthropods of the orders Hemiptera,Araneae,Hymenoptera,and *** terrestrial lizards *** and *** mostly predated ants and spiders,whereas the arboreal–saxicolous *** and saxicolous *** largely consumed grasshoppers and *** taxonomic and phylogenetic diversity of the prey was higher during the dry season than the rainy season,likely because reduced prey availability in the dry season forced lizards to diversify their diets to meet their nutritional *** and phylogenetic composition varied seasonally depending on the species,but only dietary composition varied with *** dietary turnover was greater in *** than in ***,suggesting site-specific seasonal variability in prey availability;no other differences among species were ***,which lives at the highest altitude in our study site,displayed interseasonal variation in diet *** differences were correlated with the species’feeding strategies and elevational distribution,which likely contributed to the coexistence of these lizard species in the studied geographic area and beyond.

关键词： arthropod-eating lizards diet breadth environmental barcoding mountainous ecosystem seasonal dietary shifts

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