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The cold-induced factor CBF3 mediates root stem cell activity,regeneration,and developmental responses to cold

Plant Communications 2023年第6期4卷 197-211页

作者： pablo Perez-Garcia Ornella Pucciariello Alvaro Sanchez-Corrionero j.vier Cabrera Cristina del Barrio j.an Carlos del Pozo Mariano Perales Krzysztof Wabnik Miguel A.Moreno-Risueno Centro de Biotecnologíay Genómica de Plantas(Universidad Politécnica de Madrid(UPM)–Instituto Nacional de Investigacióny Tecnología Agraria y Alimentaria–CSIC(INIA-CSIC)) MadridSpain

Plant growth and development involve the specification and regeneration of stem cell niches(SCNs).Although plants are exposed to disparate environmental conditions,how environmental cues affect developmental programs and stem cells is not well *** stem cells are accommodated in meristems in SCNs around the quiescent center(QC),which maintains their *** a combination of genetics and confocal microscopy to trace morphological defects and correlate them with changes in gene expression and protein levels,we show that the cold-induced transcription factor(TF)C-REPEAT BINDING FACTOR 3(CBF3),which has previously been associated with cold acclimation,regulates root development,stem cell activity,and ***3 is integrated into the SHORT-ROOT(SHR)regulatory network,forming a feedback loop that maintains SHR ***3 is primarily expressed in the root endodermis,whereas the CBF3 protein is localized to other meristematic tissues,including root *** of cbf3-1 using a wild-type CBF3 gene and a CBF3 fusion with reduced mobility show that CBF3 movement capacity is required for SCN patterning and regulates root ***,cold induces CBF3,affecting QC ***,exposure to moderate cold around 10℃–12℃promotes root regeneration and QC respecification in a CBF3-dependent manner during the recuperation *** contrast,CBF3 does not appear to regulate stem cell survival,which has been associated with recuperation from more acute cold(-4℃).We propose a role for CBF3 in mediating the molecular interrelationships among the cold response,stem cell activity,and development.

关键词： stem cells regeneration organ patterning protein movement cell fate low temperature

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Optical Determination of the Effects by Thermal Treatment(TT)in Honey of Apis mellifera Bees

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j.urnal of Agricultural Chemistry and Environment 2020年第2期9卷 37-47页

作者： pablo Broca Quevedo Miguel Angel Basurto Pensado R.j.Romero Antonio Rodríguez Martínez Graduate Degree in Engineering and Applied Science Instituto de Investigación en Ciencias Básicas y Aplicadas(ICCBA)Universidad Autónoma Del Estado De Morelos(UAEM)MorelosMéxico Centro de Investigación en Ingeniería y Ciencias Aplicadas(CIICAp) Universidad Autónoma Del Estado De Morelos(UAEM)MorelosMéxico

Spectroscopy in the UV-Vis and NIR ranges of light provides great convenience for the characterization and evaluation of the characteristics and optical modifications that occur during life, the processes for the preparation of some food in order to modify their characteristics or eliminate Micro-organisms that can affect their quality and shelf life, work is carried out at elevated temperatures, even above 100°C. The study has made it possible to identify changes in the Absorbance, Transmittance and Optical Intensity of Apis mellifera honey from four different botanical sources and States of the Mexican Republic: Citrus (Citrus) from the state of Veracruz, Mangle (Rizophora mangle) of the Pacific zone of the state of Sinaloa, Polyfloralis of the state of Morelos and Polyfloralis of the state of Tabasco.

关键词： Heat Treatment Spectroscopy Food Conservation Honey

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Hydrogen Pick up in Zircaloy-4: Effects in the Dimensional Stability of Structural Components under Nuclear Reactor Operating Conditions

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Engineering（科研） 2010年第8期2卷 573-579页

作者： pablo Vizcaíno Cintia Paola Fagundez Abraham David Banchik Centro Atómico Ezeiza Comisión Nacional de Energía Atómica Presbítero J. González y Aragón Nº 15

In the present work, the expansion coefficient due to hydrogen incorporation was measured for the axial direction of a Zircaloy-4 cooling channel, similar to that installed in the Atucha I PHWR, Argentina, trying to simulate the nuclear power reactor operating conditions. As a first step, the solubility curve of hydrogen in Zircloy-4 was determined by two techniques: differential scanning calorimetry and differential dilatometry. The comparison with classical literature curves showed a good agreement with them, although the calorimetric technique proved to be more accurate for these determinations. Dilatometry was able to detect the end of hydride dissolution from concentrations around 60 wppm-H up to 650 wppm-H, where the eutectoid reaction: α + δ→α + β takes place (at 550oC). We assume that this ability is a good indicator of the aptitude of the technique to measure dimensional changes in the given hydrogen concentration range. Then, the expansion of Zircaloy-4 homogeneously hydrided samples was measured at 300oC, the typical operating temperature of a nuclear power reactor, obtaining a relative expansion of 2.21 * 10-4% per wppm-H. Considering the relative expansion observed for Zircaloy-4 at room temperature due to hydriding, starting from a hydrogen free sample, the total relative expansion rate is calculated to be 5.21 * 10-4% per wppm-H.

关键词： Thermal Analysis Dimensional Change Hydrides Zircaloy-4

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Novel Kdr mutations (K964R and A943V) in pyrethroid-resistant populations of Triatoma mazzottii and Triatoma longipennisUoro Mexico and detoxifying enzymes

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Insect Science 2019年第5期26卷 809-820页

作者： j.sus Davila-Barboza O.Karina Villanueva-Segura Beatriz Lopez-Monroy Gustavo Ponce-Garcia Cristina Bobadilla-Utrera Mayela Montes-Rincon Zinnia j.Molina-Garza j.an I.Arredondo-j.menez Iram P.Rodriguez-Sanchez pablo C.Manrique-Saide Adriana E.Flores Universidad Autonoma de Nuevo Leon (UANL) Facultad de Ciencias BiologicasSan Nicolas de los GarzaNLMexico Laboratorio Estatal de Salud Publica de los Servicios de Salud de Veracruz VeracruzMexico Campus de Ciencias Biologicas y Agropecuarias Unidad Colaborativa para Bioensayos EntomologicosUniversidad Autonoma de YucatanMeridaYucatanMexico

Although having five different ways of transmission the vector-borne is the principal way of transmission of Chagas disease, which involves insects of the subfamily Triatominae (Hemiptera: Reduviidae). Nineteen of the 31 species that occur in Mexico are associated with humans, and all are capable of transmitting the disease. Pyrethroids are the insecticides recommended for the control of these vectors in Mexico. We determined the susceptibility to the pyrethroids dcltamethrin and permethrin of peridomestic populations of Triatoma mazzottii Usinger and two populations of Triatoma longipetmis Usinger in comparison with a reference strain for each species. Bioassays were performed for the determination of the LD50 for both field populations and reference strains. A maximum of 27 fold resistance to deltamethrin was observed in T. mazzottii, meanwhile, for permethrin, T. longipennis from j.lisco show the highest value of 3.19 fold. There was significantly increased activity of esterases in field populations in comparison with their corresponding reference strain. The results of the search of kdr mutations related to the resistance to deltamethrin and permethrin in the evaluated species show the presence of mutations in the field populations, as is the case with individuals of T. mazzottii, for which the mutation was found A943V, and for the two populations of T. longipennis included in this study, we report the presence of the kdr mutation K964R. Evaluation of the various mechanisms involved in resistance to pyrethroids in triatomines from Mexico could guide us to the real j.stification for insecticide resistance monitoring.

关键词： detoxifying enzymes kdr pyrethroids Triatoma longipennis Triatoma mazzottii

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毕加索速写

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丛书名：大师经典速写新选系列

2005年

作者：（西）pablo Picasso绘陈辅国编

毕加索：当代西方最有创造性和影响最深远的艺术家。对于他的一生，世人的评价可谓众说纷纭，毁誉褒贬兼而有之。但对于他的作品以及他对艺术形式的多方面的探索，人们还是一致认同的。也正是因此，毕加索在世界艺术史上占据了不朽的地... 详细信息

ISBN: (纸本)753861768X

毕加索：当代西方最有创造性和影响最深远的艺术家。对于他的一生，世人的评价可谓众说纷纭，毁誉褒贬兼而有之。但对于他的作品以及他对艺术形式的多方面的探索，人们还是一致认同的。也正是因此，毕加索在世界艺术史上占据了不朽的地位。由于他的勤奋，毕加索成了一位多产画家。他逝世后，人们花了5年的时间对他的作品进行了整理。据统计，他的作品包括：油画1885幅，素描7089幅，版画20000幅，平版画6121幅，总计近37000件。在毕加索一生的道路上，他经历了几个不同的时期。早年的“蓝色时期”和“红色时期”的画风有德迦的影子。随后，在1909年，他与法国画家乔治·希拉格一起创立了立体派，进入了他的“黑色时期”。这种立体派创作方法，对西方美术的现代流派影响很大。被誉为“20世纪美术的一位最伟大的大师”。他于1907年创作的《亚威农少女》，吸收了东方艺术和西班牙民间艺术的一些表现形式，彻底改变了传统绘画的表现手法，追求比现实还要真实的“理念中的真实”。在毕加索的画中，人们还可以强烈感受到他的爱憎。他反对战争，希望和平安宁。1937年4月，为抗议希特勒轰炸西班牙北部城市格尔尼卡，他画了著名的大型壁画《格尔尼卡》。为抗议美国入侵朝鲜，1952年他又创作了壁画《战争》、《和平》。至于他的《和平鸽》，更是世人所熟悉的名作。毕加索的生活与艺术都离不开女人。毕加索的代表作与女人题材相关甚多。主要有：《三舞女》、《在红色椅子熟睡的女人》、《玩球的浴女》、《公鸡》等。1973年4月8日，这位欧洲画坛的巨匠带着和平的愿望在法国南部的穆丹逝世，长眠在地中海边的墓地中。

关键词：速写作品集西班牙现代

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Assessment of k–ε models using tetrahedral grids to describe the turbulent flow field of a PBT impeller and validation through the PIV technique

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Chinese j.urnal of Chemical Engineering 2018年第5期26卷 942-956页

作者： Victor X. Mendoza-Escamilla Alej.ndro Alonzo-Garcia Helvio R. Mollinedo Israel Gonzalez-Neria j. Antonio Yanez-Varela Sergio A. Martinez-Delgadillo Depto. Electronica Universidad Autonoma Metropolitana Azcapotzalco Av. San Pablo 180 Azcapotzalco CP 07740 Mexico D.F. Mexico CONACyT-Centro de Ingenierfa y Desarrollo Industrial Av. Piaya Pie de la Cuesta 702 Desarrollo San Pablo 76125 Queretaro Qro. Mexico UPIITA Instituto Politecnico Nacional Av. IPN 2580 G.A. Madero CP 07340 Mexico D.F. Mexico Depto. Ciencias Basicas Universidad Autonoma Metropolitana Azcapotzalco Av. San Pablo 180 Azcapotzalco CP 07740 Mexico D.F Mexico

In turbulence modeling, the RNG and Realizable models have important improvements in the turbulent production and dissipation terms in comparison to the Standard. The selection of the appropriate turbulence model has an impact on the convergence and solution in STRs, and they are used in mixing, multiphase modeling or as starting solution of transient models as DES and LES. Although there are several studies with the pitched blade turbine(PBT) impeller, most of them used the Standard model as representative of all k–ε models, using structured hexahedral grids composed of low number of cells, and in some cases under axial symmetry ***, in this work the assessment of the Standard, RNG and Realizable models to describe the turbulent flow field of this impeller, using the Multiple Reference Frame(MRF) and Sliding Mesh(SM) approaches with tetrahedral domains in dense grids, is presented. This kind of cell elements is especially suitable to reproduce complex geometries. Flow velocities and turbulent parameters were verified experimentally by PIV and torque measurements. The three models were capable of predicting fairly the pumping number, the power number based on torque, and velocities. Although the RNG improved the predictions of the turbulent kinetic energy and dissipation rate, the Realizable model presented better performance for both approaches. All models failed in the prediction of the total dissipation rate, and a dependence of its value on the number of cells for the MRF was found.

关键词： Tetrahedral grids PIV Turbulent flow k-ε models Stirred vessel

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Attenuation of UV-C Solar Radiation as a Function of Altitude(0≤z≤100 km):Rayleigh Diffusion and Photo Dissociation of O_(2) Influence

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Atmospheric and Climate Sciences 2017年第4期7卷 540-553页

作者： j.se Luis pinedo-Vega Carlos Rios-Martínez David j.cobo Navarro-Solis j.Ignacio Davila-Rangel Fernando Mireles-Garcia Sonia Azucena Saucedo-Anaya Eduardo Manzanares-Acuna Valentin Badillo-Almaraz Department:UAEN Universidad Autonoma de ZacatecasZacatecasMexico

In this paper, we present an analysis of attenuation for UV-C radiation () as a function of the altitude z () by calculating the interaction ratio between the UV-C radiation and the molecular species susceptible of interact with UV-C radiation. The Rayleigh scattering spectral cross sections were calculated, the UV-C spectral cross sections of the species susceptible of interact with UV-C radiation and the UV extraterrestrial (ETR) solar spectrum were standardized with wavelength steps of 1 nm, and The International Standard Atmosphere model (ISO 1972) was adapted to calculate the molecular density. These data were utilized to calculate the photodissociation and Rayleigh scattering ratios as a function of the altitude and to determine to what measure the photodissociation and the Rayleigh diffusion were determinants of the attenuation of UV-C radiation. It became clear that the photo dissociation of O2 is the primordial mechanism of attenuation for the UV-C radiation, but the Rayleigh diffusion appears like a mechanism that encreases the photon flux, raising the performance of the O2 photodissociation. The attenuation capacities of N2O, CO2 and water vapor (H2O) over the UV-C radiation are all similar, although smaller (less than 0.6%), and this is due to their low concentration. The O3, has the theoretical greater attenuation capacity, but it is found in mid-range altitudes? (), where the residual UV-C photons has almost vanished by O2 photo dissociation or Rayleigh diffusion, so the real effect over the UV-C attenuation is minimum.

关键词： UV-C Radiation Rayleigh Scattering O_(2) Photodissociation

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Alternatives to surgery in children with mild OSA

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World j.urnal of Otorhinolaryngology-Head and Neck Surgery 2021年第3期7卷 228-235页

作者： David Gozal Mahmoud Ismail pablo E.Brockmann Department of Child Health and Child Health Research Institute and MU Women and Children’s HospitalUniversity of Missouri School of MedicineColumbiaMOUSA Department of Neurology and Sleep Medicine University of Missouri School of MedicineColumbiaMOUSA Department of Pediatric Cardiology and Pulmonology Division of PediatricsSchool of MedicinePontificia Universidad Católica de ChileSantiagoChile Pediatric Sleep Center School of MedicinePontificia Universidad Católica de ChileSantiagoChile

Precision medicine requires coordinated and integrated evidence-based combinatorial approaches so that diagnosis and treatment can be tailored to the individual *** this context,the treatment approach to mild obstructive sleep apnea(OSA)is fraught with substantial debate as to what is mild OSA,and as to what constitutes appropriate *** such,it is necessary to first establish a proposed consensus of what criteria need to be employed to reach the diagnosis of mild OSA,and then examine the circumstances under which treatment is indicated,and if so,whether and when anti-inflammatory therapy(AIT),rapid maxillary expansion(RME),and/or myofunctional therapy(MFT)may be indicated.

关键词： Obstructive sleep apnea Children Antiinflammatory Myofunctional therapy Rapid maxillary expansion Adenotonsillectomy

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Effective charge from lattice QCD

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Chinese Physics C 2020年第8期44卷 23-32页

作者： Z.-F.Cui j.-L.Zhang D.Binosi F.De Soto C.Mezrag j.Papavassiliou C.D.Roberts j.Rodríguez-Quintero j.Segovia S.Zafeiropoulos School of Physics Nanjing UniversityNanjing 210093China Institute for Nonperturbative Physics Nanjing UniversityNanjing 210093China Department of Physics Nanjing Normal UniversityNanjing 210023China European Centre for Theoretical Studies in Nuclear Physics and Related Areas Villa TambosiStrada delle Tabarelle 286I-38123 Villazzano(TN)Italy Dpto.Sistemas Físicos Químicos y NaturalesUniv.Pablo de OlavideE-41013 SevillaSpain 6.IRFUCEAUniversitéParis-SaclayF-91191 Gif-sur-YvetteFrance Department of Theoretical Physics and IFIC University of Valencia and CSICE-46100ValenciaSpain Department of Integrated Sciences and Center for Advanced Studies in Physics Mathematics and Computation University of Huelva E-21071 HuelvaSpain Aix Marseille Univ Universitéde ToulonCNRSCPTMarseilleFrance

Using lattice configurations for quantum chromodynamics(QCD)generated with three domain-wall fermions at a physical pion mass,we obtain a parameter-free prediction of QCD’s renormalisation-group-invariant process-independent effective charge,α^(k2).Owing to the dynamical breaking of scale invariance,evident in the emergence of a gluon mass-scale,m0=0.43(1)GeV,this coupling saturates at infrared momenta:α^(0)/π=0.97(4).Amongst other things:α^(k2)is almost identical to the process-dependent(PD)effective charge defined via the Bj.rken sum rule;and also that PD charge which,employed in the one-loop evolution equations,delivers agreement between pion parton distribution functions computed at the hadronic scale and *** diversity of unifying roles played byα^(k^2)suggests that it is a strong candidate for that obj.ct which represents the interaction strength in QCD at any given momentum scale;and its properties support a conclusion that QCD is a mathematically well-defined quantum field theory in four dimensions.

关键词： running coupling quantum chromodynamics Dyson-Schwinger equations lattice field theory emer-gence of mass confinement

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拉丁美洲和加勒比地区主要竹种资源与利用

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世界竹藤通讯 2020年第3期18卷 7-12页

作者：李智勇 pablo j.come Trinh Thang Long pablo Izquierdo 李楠吴君琦郝颖国际竹藤中心北京100102 国际竹藤组织拉美区域办公室厄瓜多尔基多国际竹藤组织北京100102

拉丁美洲和加勒比地区是世界主要的竹资源分布区,以瓜多竹为代表的560多竹种资源占全球竹种的33%,其中巴西、哥伦比亚、秘鲁、厄瓜多尔、墨西哥等国竹林面积和竹种数量位居该地区前列。与亚洲相比,拉丁美洲和加勒比地区现代竹产业发展... 详细信息

拉丁美洲和加勒比地区是世界主要的竹资源分布区,以瓜多竹为代表的560多竹种资源占全球竹种的33%,其中巴西、哥伦比亚、秘鲁、厄瓜多尔、墨西哥等国竹林面积和竹种数量位居该地区前列。与亚洲相比,拉丁美洲和加勒比地区现代竹产业发展起步较晚,规模和效益有限。面向未来,该区竹资源主要分布国家的政府正在制定和实施相关政策和战略,助力竹区发展经济、缓解贫困和保护环境。

关键词：竹种资源分布应用拉丁美洲和加勒比地区

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