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THz plasmonics and electronics in germanene nanostrips

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Journal of Semiconductors 2023年第10期44卷 37-49页

作者： Talia Tene marco Guevara gabriela Tubon-Usca Oswaldo Villacrés Cáceres gabriel moreano Cristian Vacacela gomez Stefano Bellucci Department of Chemistry Universidad Técnica Particular de Loja110160 LojaEcuador UNICARIBE Research Center University of CalabriaI-87036 RendeCSItaly Grupo de Investigación en materiales Avanzados(GImA) Facultad de CienciasEscuela Superior Politécnica de Chimborazo(ESPOCH)RiobambaEcuador Facultad de Ciencias Escuela Superior Politécnica de Chimborazo(ESPOCH)RiobambaEcuador Faculty of mechanical Engineering Escuela Superior Politécnica de Chimborazo(ESPOCH)Riobamba 060155Ecuador INFN-Laboratori Nazionali di Frascati Via E.Fermi 54I-00044 FrascatiItaly

Germanene nanostrips(GeNSs)have garnered significant attention in modern semiconductor technology due to their exceptional physical characteristics,positioning them as promising candidates for a wide range of *** exhibit a two-dimensional(buckled)honeycomb-like lattice,which is similar to germanene but with controllable *** modeling of GeNSs is essential for developing appropriate synthesis methods as it enables understanding and controlling the growth process of these ***,one can adjust the strip width,which in turn can tune the bandgap and plasmonic response of the material to meet specific device *** this study,the objective is to investigate the electronic behav-ior and THz plasmon features of GeNSs(≥100 nm wide).A semi-analytical model based on the charge-carrier velocity of free-standing germanene is utilized for this *** charge-carrier velocity of freestanding germanene is determined through the GW approximation(V_(F)=0.702×10^(6)m·s^(−1)).Within the width range of 100 to 500 nm,GeNSs exhibit narrow bandgaps,typi-cally measuring only a few ***,upon analysis,it was found that the bandgaps of the investigated GeNSs ranged between 29 and 6 *** well,these nanostrips exhibit√q-like plasmon dispersions,with their connected plasmonic fre-quency(≤30 THz)capable of being manipulated by varying parameters such as strip width,excitation plasmon angle,and sam-ple *** manipulations can lead to frequency variations,either increasing or decreasing,as well as shifts towards larger momentum *** outcomes of our study serve as a foundational motivation for future experiments,and further con-firmation is needed to validate the reported results.

关键词： nanostrips carrier velocity germanene plasmonics electronics

Arsenite provides a selective signal that coordinates arsenate uptake and detoxification through the regulation of PHR1 stability in Arabidopsis

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molecular Plant 2021年第9期14卷 1489-1507页

作者： Cristina Navarro Cristian mateo-Elizalde Thotegowdanapalya C.mohan Eduardo Sanchez-Bermejo Oscar Urrutia maria Nieves Fernandez-muniz Jose m.Garcia-mina Riansares munoz Javier Paz-Ares gabriel Castrillo Antonio Leyva Department of Plant molecular Genetics Centro Nacional de Biotecnología-Consejo Superior de Investigaciones CientíficasMadrid 28049Spain Department of Environmental Biology Sciences SchoolUniversity of NavarraPamplona 31008Spain Department of Analytical Chemistry School of Chemical SciencesUniversidad Complutense de MadridMadrid 28040Spain Present address:Department of Biotechnology and Bioinformatics Faculty of Life SciencesJSS Academy of Higher Education and ResearchMysuruKarnataka 570015India Present address:S&A Fresh Produce.Brook Farm MardenHereford HR13ETUK Future Food Beacon of Excellence&School of Biosciences University of NottinghamNottingham LE125RDUK

In nature,plants acquire nutrients from soils to sustain growth,and at the same time,they need to avoid the uptake of toxic compounds and/or possess tolerance systems to cope with *** is particularly challenging when the toxic compound and the nutrient are chemically similar,as in the case of phosphate and *** this study,we demonstrated that regulatory elements of the phosphate starvation response(PSR)coordinate the arsenate detoxification machinery in the *** showed that arsenate repression of the phosphate transporter PHT1;1 is associated with the degradation of the PSR master regulator *** arsenic is sequestered into the vacuole,PHR1 stability is restored and PHT1;1 expression is ***,we identified an arsenite responsive SKP1-like protein and a PHR1 interactor F-box(PHIF1)as constituents of the SCF complex responsible for PHR1 *** found that arsenite,the form to which arsenate is reduced for compartmentalization in vacuoles,represses PHT1;1 expression,providing a highly selective signal versus phosphate to control PHT1;1 expression in response to ***,our results provide molecular insights into a sensing mechanism that regulates arsenate/phosphate uptake depending on the plant’s detoxification capacity.

关键词： arsenic signaling F-box protein arsenate uptake arsenic detoxification phosphate starvation phytoremediation

High-resolution impedance mapping using electrically activated quantitative phase imaging

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Light(Science & Applications) 2021年第2期10卷 186-196页

作者： Cristina Polonschii mihaela Gheorghiu Sorin David Szilveszter Gáspár Sorin melinte Hassaan majeed mikhail E.Kandel gabriel Popescu Eugen Gheorghiu International Centre of Biodynamics 060101 BucharestRomania Institute of Information and Communication Technologies Electronics and Applied MathematicsUniversite Catholique de Louvain1348 Louvain-la-NeuveBelgium Quantitative Light Imaging Laboratory Beckman Institute for Advanced Science and TechnologyUniversity of Illinois at Urbana-ChampaignUrbanaIL 61801USA

Retrieving electrical impedance maps at the nanoscale rapidly via nondestructive inspection with a high signal-to-noise ratio is an unmet need,likely to impact various applications from biomedicine to energy *** this study,we develop a multimodal functional imaging instrument that is characterized by the dual capability of impedance mapping and phase quantitation,high spatial resolution,and low temporal *** achieve this,we advance a quantitative phase imaging system,referred to as epi-magnified image spatial spectrum microscopy combined with electrical actuation,to provide complementary maps of the optical path and electrical *** demonstrate our system with high-resolution maps of optical path differences and electrical impedance variations that can distinguish nanosized,semi-transparent,structured coatings involving two materials with relatively similar electrical *** map heterogeneous interfaces corresponding to an indium tin oxide layer exposed by holes with diameters as small as~550 nm in a titanium(dioxide)over-layer deposited on a glass *** show that electrical modulation during the phase imaging of a macro-electrode is decisive for retrieving electrical impedance distributions with submicron spatial resolution-and beyond the limitations of electrode-based technologies(surface or scanning technologies).The findings,which are substantiated by a theoretical model that fits the experimental data very well enable achieving electro-optical maps with high spatial and temporal *** virtues and limitations of the novel optoelectrochemical method that provides grounds for a wider range of electrically modulated optical methods for measuring the electric field locally are critically discussed.

关键词： impedance resolution phase

Recipes for the Derivation of Water Quality Parameters Using the High-Spatial-Resolution Data from Sensors on Board Sentinel-2A,Sentinel-2B,Landsat-5,Landsat-7,Landsat-8,and Landsat-9 Satellites

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Journal of Remote Sensing

Journal of Remote Sensing 2023年第1期3卷 213-230页

作者： Juliana Tavora Binbin Jiang Thomas Kiffney Guillaume Bourdin Patrick Clifton Gray Lino Sander de Carvalho gabriel Hesketh Kristin m.Schild Luiz Faria de Sousa Damian CBrady Emmanuel Boss Faculty of Geo-Information Science and Earth Observation(ITC) University of TwentePO Box 2177500 AE EnschedeThe Netherlands State Key Laboratory of marine Geology Tongji UniversityShanghaiChina School of marine Sciences University of MaineOronoMEUSA Nicholas School of the Environment Duke University Marine LabBeaufortNCUSA Departamento de meteorologia Universidade Federal do Rio de JaneiroRio de JaneiroBrazil Department of marine Sciences University of Southern MississippiOcean SpringMSUSA School of Earth and Climate Sciences University of MaineOronoMEUSA Climate Change Institute University of MaineOronoMEUSA

Satellites have provided high-resolution(<100 m)water color(i.e.,remote sensing reflectance)and thermal emission imagery of aquatic environments since the early 1980s;however,global operational water quality products ... 详细信息

Satellites have provided high-resolution(m)water color(i.e.,remote sensing reflectance)and thermal emission imagery of aquatic environments since the early 1980s;however,global operational water quality products based on these data are not readily available(e.g.,temperature,chlorophyll-a,turbidity,and suspended particle matter).Currently,because of the postprocessing required,only users with expressive experience can exploit these data,limiting their ***,we provide paths(recipes)for the nonspecialist to access and derive water quality products,along with examples of applications,from sensors on board Landsat-5,Landsat-7,Landsat-8,Landsat-9,Sentinel-2A,and *** emphasize that the only assured metric for success in product derivation and the assigning of uncertainties to them is via validation with in situ *** hope that this contribution will motivate nonspecialists to use publicly available high-resolution satellite data to study new processes and monitor a variety of novel environments that have received little attention to date.

关键词： environments Sentinel Spatial

Recent advances in the utilization of insects as an ingredient in aquafeeds:A review

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Animal Nutrition 2022年第4期11卷 334-349页

作者： Sahya maulu Sandra Langi Oliver J.Hasimuna Dagoudo missinhoun Brian P.munganga Buumba m.Hampuwo Ndakalimwe Naftal gabriel mabrouk Elsabagh Hien Van doan Zulhisyam Abdul Kari mahmoud A.O.Dawood Centre for Innovative Approach Zambia(CIAZ) Plot No.119825ChalalaLusakaZambia Faculty of Agriculture and Environmental Sciences Muni UniversityP.O.Box 725AruaUganda National Aquaculture Research and Development Centre Department of FisheriesMinistry of Fisheries and LivestockKitweP.O Box 22797Zambia Department of Zoology and Aquatic Sciences School of Natural ResourcesCopperbelt UniversityKitweP.O Box 21692Zambia Department of Aquaculture and Fisheries Science Faculty of Natural ResourcesLilongweUniversity ofNatural Resources(LUANAR)P.O.Box 219LilongweMalawi Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization Ministry of AgricultureFreshwater Fisheries Research CenterChinese Academy of Fishery SciencesWuxi 214081JiangsuChina World Fish Zambia Office Lunbansenshi Close Plot 18944Olympia ParkLusakaZambia h Department of Fisheries and Ocean Sciences University of NamibiaPrivate Bag 462HentiesbayNamibia Department of Animal Production and Technology Faculty of Agricultural Sciences and TechnologiesNigde€Omer Halisdemir UniversityNigde 51240Turkey Department of Nutrition and Clinical Nutrition Faculty of Veterinary MedicineKafrelsheikh UniversityKafrelsheikh 33516Egypt Department of Animal and Aquatic Sciences Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand Innovative Agriculture Research Center Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand Faculty of Agro Based Industry Universiti Malaysia KelantanJeli Campus17600 JeliMalaysia Department of Animal Production Faculty of AgricultureKafrelsheikh UniversityEgypt The Center for Applied Research on the Environment and Sustainability The American University in Cairo11835 CairoEgypt

The aquafeed industry continues to expand in response to the rapidly growing aquaculture ***,the identification of alternative protein sources in aquatic animal diets to replace conventional sources due to cost and sustainability issues remains a major ***,insects have shown tremendous results as potential replacers of fishmeal in *** present study aimed to review the utilization of insects in aquafeeds and their effects on aquatic animals’growth and feed utilization,immune response and disease resistance,and fish flesh quality and *** many insect species have been investigated in aquaculture,the black soldier fly(Hermetia illucens),and the mealworm(Tenebrio molitor)are the most studied and most promising insects to replace fishmeal in ***,insect rearing conditions and biomass processing methods may affect the product’s nutritional composition,digestibility,shelf life and required insect inclusion level by aquatic ***,insect-recommended inclusion levels for aquatic animals vary depending on the insect species used,biomass processing method,and test ***,while an appropriate inclusion level of insects in aquafeed provides several nutritional and health benefits to aquatic animals,more studies are needed to establish optimum requirements levels for different aquaculture species at different stages of development and under different culture systems.

关键词： Aquaculture Aquafeed Alternative protein source Immune response Insect

Antipsychotics preserve telomere length in peripheral blood mononuclear cells after acute oxidative stress injury

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Neural Regeneration Research 2022年第5期17卷 1156-1160页

作者： gabriel B.Polho Giancarlo m.Cardillo Daniel S.Kerr Thais Chile Wagner F.Gattaz Orestes V.Forlenza Helena P.Brentani Vanessa J.De-Paula Laboratório de Neurociências(LIm-27) Departamento e Instituto de PsiquiatriaHospital das Clinicas HCFMUSPFaculdade de MedicinaUniversidade de São PauloSPBrasil Laboratório de Psicobiologia(LIm-23) Departamento e Instituto de PsiquiatriaHospital das Clinicas HCFMUSPFaculdade de MedicinaUniversidade de São PauloSPBrasil

Antipsychotics may prolong or retain telomere length,affect mitochondrial function,and then affect the metabolism of nerve *** validate the hypothesis that antipsychotics can prolong telomere length after oxidative stress injury,leukocytes from healthy volunteers were extracted using Ficoll-Histopaque density *** mononuclear cells layer was resuspended in cell culture *** stress was induced with hydrogen peroxide in cultured *** days later,leukocytes were treated with aripiprazole,haloperidol or clozapine for 7 ***-time PCR revealed that treatments with aripiprazole and haloperidol increased the telomere length by 23%and 20%in peripheral blood mononuclear cells after acute oxidative stress *** results suggest that haloperidol and aripiprazole can reduce the damage to telomeres induced by oxidative *** experiment procedure was approved by the Ethics Committee of Faculty of medicine of the University of Sao Paulo(FmUSP/CAAE approval No.52622616.8.0000.0065).

关键词： antipsychotic aripiprazole cell culture clozapine haloperidol oxidative stress peripheral blood mononuclear cell telomere length

Hepatoprotective properties of oleanolic and ursolic acids in anti-tubercular drug-induced liver damage

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Asian Pacific Journal of Tropical medicine 2016年第7期9卷 625-632页

作者： gabriel A.Gutiérrez-Rebolledo Georgina A.Siordia-Reyes mariana meckes-Fischer Adelina Jiménez-Arellanes Unidad de Investigación médica en Farmacología (UImF) UMAE Hospital de EspecialidadesCentro Médico Nacional-Siglo XXI (CMN-SXXI)Instituto Mexicano del Seguro Social (IMSS) Servicio de Patología UMAE Hospital de PediatríaCMN-SXXIIMSS Centro de Diagnóstico en metabolismo Energético y medicina mitocondrial A.C.

Objective:To estimate to what extent the mixture of ursolic acid and oleanolic acid,in addition to the antitubercular standard regime,affects the hepatotoxicity ***:Liver injury was induced in male BALB/c mice by administering,per os and daily for 11 weeks,a combination of anti-Tubercular(anti-TB) agents Rifampicin(10 mg/kg),Isoniazid(10 mg/kg),and Pyrazinamide(30 mg/kg).The ursolic acid and oleanolic acid mixture at doses of 100 or 200 μg/mouse/day was subcutaneously injected throughout the entire study period(11 weeks).Biochemical and hematological analysis was supplemented by liver histological ***:Animals treated with the mixture of triterpenic acids exhibited significantly decreased aspartate transaminase and alanine aminotransferase levels and amelioration of the histopathological alterations produced by the anti-TB ***:The triterpene mixture is able to prevent the steatosis induced by the anti-TB drugs.

关键词： Ursolic acid Oleanolic acid Hepatoprotector effect Antitubercular drugs Triterpenes

Cantharellus(Cantharellales,Basidiomycota)revisited in Europe through a multigene phylogeny

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Fungal Diversity 2017年第2期83卷 263-292页

作者： Ibai Olariaga gabriel moreno Jose Luis manjon Isabel Salcedo Valerie Hofstetter Diego Rodrıguez Bart Buyck Department of Life Sciences(Botany) University of Alcala28805 Alcalade HenaresMadridSpain Department of Plant Biology and Ecology(Botany) University of the Basque Country(UPV/EHU)Apdo 64448080 BilbaoSpain Department of Plant Protection Agroscope ChanginsWadenswil Research StationACWRte de Duiller1260 NyonSwitzerland Kherdzmari St.microdistrict 11.Block 58 Flat 69TemkaTbilisiGeorgia Departement Systematique et Evolution CP 39ISYEBUMR 7205 CNRS MNHN UPMC EPHEMuseum National d’Histoire Naturelle12 Rue Buffon75005 ParisFrance

Resolving species delimitation issues of European Cantharellus is crucial to correctly name chanterelles around the *** names referring to Cantharellus *** been described in Europe,some of which are used in other *** on combined analyses of ITS2,LSU,RPB2 and TEF-1,merely eight species are here recognized in Europe applying the genealogical concordance phylogenetic species recognition criteria,one of which,***,is described as ***logical characters used in species delimitation are mapped and their variability *** colour of the hymenophore in young specimens is found to be a rather constant morphological character of taxonomic *** species of Cantharellus are morphologically distinguished by unique combinations of characters,such as the presence of a pink pileal coating,pileus and hymenophore colour when young,and in some cases,the mean spore length and *** type specimens from Europe are *** on revised species concepts sixteen novel taxonomic synonyms are here proposed for European chanterelles:***(=***,***,***),***(=*** ***,*** ***,***),***(=*** ***,***),***(=*** ***),***(=***),***(=*** ***,*** ***,***),and ***sianus(=***,***,***nesianus ***).The type of Cantharellus,***,is ***,colour illustrations and a key to all European species are provided.

关键词： Cantharelloid clade Cantharellaceae Epitype Edible fungi Genealogical concordance Species delimitation

Glutamate dehydrogenase and Na^+-K^+ ATPase expression and growth response of Litopenaeus vannamei to different salinities and dietary protein levels

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Chinese Journal of Oceanology and Limnology 2011年第2期29卷 343-349页

作者：李二超 Leticia ARENA gabriel LIZAmA gabriela GAXIOLA Gerard CUZON Carlos ROSAS 陈立侨 Alain VAN WORmHOUDT School of Life Science East China Normal University UmR5178 Station de Biologie Marine du Musum National d'Histoire NaturelleBP225Concarneau 29900France Unidad multidisciplinaria de docencia e Investigación Facultad de CienciasUniversidad Nacional Autónoma de MxicoPuerto de abrigo s/nSisal C.P.97350HunucmYucatnMexico IFREmER TahitiFrench Polynesia

Improvement in the osmoregulation capacity via nutritional supplies is vitally important in shrimp *** effects of dietary protein levels on the osmoregulation capacity of the Pacific white shrimp(***) were *** involved an examination of growth performance,glutamate dehydrogenase(GDH) and Na+-K+ ATPase mRNA expression,,and GDH activity in muscles and *** experimental diets were formulated,containing 25%,40%,and 50% dietary protein,and fed to the shrimp at a salinity of *** 20 days,no significant difference was observed in weight gain,though GDH and Na+-K+ ATPase gene expression and GDH activity increased with higher dietary protein ***,shrimp fed diets with 25% and 50% dietary protein were transferred into tanks with salinities of 38 and 5,respectively,and sampled at weeks 1 and *** fed with 40% protein at 25 in salinity(optimal conditions) were used as a *** of the salinities,shrimp fed with 50% dietary protein had significantly higher growth performance than other diets;no significant differences were found in comparison with the *** fed with 25% dietary protein and maintained at salinities of 38 and 5 had significantly lower weight gain values after 2 *** salinity change also stimulated the hepatosomatic index,which increased in the first week and then recovered to a relatively normal level,as in the control,after 2 *** findings indicate that in white shrimp,the specific protein nutrient and energy demands related to ambient salinity change are associated with protein *** dietary protein level could improve the osmoregulation capacity of *** with more energy resources allocated to GDH activity and expression.

关键词： Litopenaeus vannamei gene expression glutamate dehydrogenase Na^+-K^+ ATPase protein salinity