Repositorio IPICyT: Envíos recientes

Mostrando ítems 761-780 de 2293

    • Dispersion of atmospheric coarse particulate matter in the San Luis Potosí, Mexico, urban area 

      Pineda Martínez, Luis Felipe; Carbajal Pérez, José Noel; Campos Ramos, Arturo Alberto; Aragon Piña, Antonio; García Reynoso, José Agustín (Universidad Nacional Autónoma de México, Centro de Ciencias de la Atmósfera, 2014)
      "La contaminación atmosférica en áreas urbanas de México se ha convertido en un problema grave. Por ello, el estudio de la evolución espacial y temporal de las concentraciones del material particulado es un asunto importante. ...

    • Water defluoridation with special emphasis on adsorbents-containing metal oxides and/or hydroxides: A review 

      Velázquez Jiménez, Litza Halla; Vences Álvarez, Esmeralda; Flores Arciniega, José Luis; Flores Zúñiga, Horacio; Rangel Méndez, José René (Elsevier, 2015)
      "Fluoride contamination in drinking water has been recognized as one of the major worldwide problems since this represents a serious threat to human health. The World Health Organization (WHO) recommends the guideline value ...

    • Community structure of a southern Chihuahuan Desert grassland under different grazing pressures 

      Yeaton, Richard I.H.; Flores Flores, José Luis (Elsevier, 2009)
      "The effect of different grazing intensities on the semiarid grasslands of the southern Chihuahuan Desert was studied using a fence-line contrast between a moderately grazed cattle ranch, from which goats and sheep had ...

    • Progress and opportunities for monitoring greenhouse gases fluxes in Mexican ecosystems: the MexFlux network 

      Vargas, Rodrigo; Yepez, Enrico; Andrade, José Luis; Angeles Pérez, Gregorio; Arredondo Moreno, José Tulio; Castellanos, Alejandro E.; Delgado Balbuena, Josué; Garatuza Payán, Jaime; González del Castillo, Eugenia; Oechel, Walter C; Rodríguez, Julio Cesar; Sánchez Azofeifa, Arturo; Velasco, Erik; Vivoni, Enrique; Watts, Christopher J (Universidad Nacional Autónoma de México, Centro de Ciencias de la Atmósfera, 2013)
      "Para entender los procesos de los ecosistemas desde un punto de vista funcional es fundamental entender las relaciones entre la variabilidad climática, los ciclos biogeoquímicos y las interacciones superficie-atmósfera. ...

    • Synthesis of ZnMn2O4 nanoparticles by a microwave-assisted colloidal method and their evaluation as a gas sensor of propane and carbon monoxide 

      Morán Lázaro, Juan Pablo; Guillén López, Erwin Said; López Urías, Florentino; Muñoz Sandoval, Emilio; Blanco Alonso, Oscar; Guillén Bonilla, Héctor; Guillén Bonilla, Alex; Rodríguez Betancourtt, Verónica María; Sánchez Tizapa, Marciano; Olvera Amador, María De la Luz (MDPI, 2018)
      "Spinel-type ZnMn2O4 nanoparticles were synthesized via a simple and inexpensive microwave-assisted colloidal route. Structural studies by X-ray diffraction showed that a spinel crystal phase of ZnMn2O4 was obtained at a ...

    • Genetic mapping identifies loci that influence tomato resistance against Colorado potato beetles 

      Vargas Ortiz, Erandi; Gonda, Itay; Smeda, John R.; Mutschler, Martha A.; Giovannoni, James J.; Jander, Georg (Nature Publishing Group, 2018)
      "The Colorado potato beetle (CPB; Leptinotarsa decemlineata Say), the most economically important insect pest on potato (Solanum tuberosum L.), also feeds on other Solanaceae, including cultivated tomato (Solanum lycopersicum ...

    • Germinación de especies de cactáceas en categoría de riesgo del desierto chihuahuense 

      Flores Rivas, Joel David; Jurado Ybarra, Enrique (Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, 2011)
      "Se presenta una síntesis de los principales resultados sobre germinación de semillas de 28 cactáceas con estatus de conservación y cuatro sin estatus, nativas del desierto chihuahuense. Se incluye la información referente ...

    • Comunidades de roedores nocturnos en un ecotono de matorrales micrófilos y zacatal gipsófilo en San Luis Potosí, México 

      Luévano Esparza, Jaime; Mellink, Eric Mellink; Riojas López, Monica E.; Flores Flores, José Luis (Instituto de Biología, Universidad Nacional Autónoma de México, 2008)
      "En el presente estudio se compara la abundancia y riqueza entre los roedores nocturnos de un zacatal gipsófilo y los de 3 matorrales micrófilos, en el norte de San Luis Potosí. Los muestreos se llevaron a cabo en sitios ...

    • Identification of organic compounds in Cajío Peloid (Cuba) 

      Suárez Muñoz, Margaret; Martínez Villegas, Nadia Valentina; González Hernández, Patricia; Melián Rodríguez, Clara; Barrios Cossio, Josiel; Hernández Díaz, Rebeca; Fagundo Catillo, Juan R.; Díaz Rizo, Oscar; Díaz López, Cristina; Pérez Gramatges, Aurora (Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México,, 2018)
      "Thennal muds ("peloids") are a typical example of natural sediments used in the treatment of different pathologies. Nowadays, because of their use in therapeutics, relax and cosmetic issues, a proper management of peloids ...

    • Rangeland systems in developing nations: conceptual advances and societal implications 

      Coppock, D. Layne; Fernández Giménez, María; Hiernaux, Pierre; Huber-Sannwald, Elisabeth; Schloeder, Catherine; Valdivia, Corinne; Arredondo Moreno, José Tulio; Jacobs, Michael; Turin, Cecilia; Turner, Matthew (Springer, 2017)
      "Developing-country rangelands are vast and diverse. They are home to millions who are often poor, politically marginalized, and dependent on livestock for survival. Here we summarize our experiences from six case-study ...

    • Design of a flexible analog signal conditioning circuit for DSP-based systems 

      Díaz Díaz, Irwin Allen; Cervantes Camacho, Ilse (Elsevier, 2013)
      "This paper presents the design of a flexible analog signal conditioning circuit (SCC) able to be reconfigured de- pending on user requirements. The SCC can be employed with DSP-based systems. The design is aimed to be ...

    • Physicochemical characterization, elemental speciation and hydrogeochemical modeling of Santa Lucía peloid used for therapeutic uses 

      Suárez Muñoz, Margaret; Martínez Villegas, Nadia Valentina; González Hernández, Patricia; Melián Rodríguez, Clara; Barrios Cossio, Josiel; Hernández Díaz, Rebeca; Fagundo Catillo, Juan R.; Díaz Rizo, Oscar; Gelen Rudnicas, Alina; Díaz López, Cristina; Pérez Gramatges, Aurora (Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México,, 2018)
      "Santa Lucia peloid is a sediment, extracted from salt mines, used in pelotherapy in Cuban primary health care services. Therefore, in addition to classical quality control analyses of total metal concentrations in sediments, ...

    • Transcriptional signature associated with early rheumatoid arthritis and healthy individuals at high risk to develop the disease 

      Macias Segura, Noe; Castañeda-Delgado, Julio Enrique; Bastian Hernández, Yadira; De Santiago Algarra, David; Castillo-Ortíz, José Dionisio; Aleman-Navarro, Ana Luisa; Jaime-Sánchez, Elena; Gómez-Moreno, M.; Saucedo-Toral, C. A.; Lara-Ramírez, Edgar E.; Zapata-Zuñiga, Martín; Enciso-Moreno, Leonor; González Amaro, Roberto; Ramos-Remus, Cesar; Enciso Moreno, José Antonio (Public Library of Science, 2018)
      "Background Little is known regarding the mechanisms underlying the loss of tolerance in the early and preclinical stages of autoimmune diseases. The aim of this work was to identify the transcriptional profile and ...

    • Magnetic and martensitic transformations in Ni48Co2Mn35In15 melt-spun ribbons 

      Pandey, Sudip; Quetz, Abdiel; Ibarra Gaytán, Pablo Jesús; Sánchez Valdés, Cesar Fidel; Aryal, Anil; Dubenko, Igor; Sánchez Llamazares, José Luis; Stadler, Shane; Ali, Naushad (American Institute of Physics, 2018)
      "As-solidified Ni48Co2Mn35In15 ribbons were prepared through the melt-spinning method, and their structural, magnetic, magnetocaloric properties, and martensitic transformations were investigated. The inverse martensitic ...

    • Identification of differentially expressed genes potentially involved in the tolerance of Lotus tenuis to long-term alkaline stress 

      Paz, Rosalia Cristina; Rocco, Rubén Anibal; Jiménez Bremont, Juan Francisco; Rodríguez y Domínguez Kessler, Margarita; Becerra Flora, Alicia; Menéndez, Ana Bernardina; Ruíz, Oscar Adolfo (Elsevier, 2014)
      "Soil alkalinity is one of the most serious agricultural problems limiting crop yields. The legume Lotus tenuis is an important forage acknowledged by its ability to naturally grow in alkaline soils. To gain insight into ...

    • Arabidopsis thaliana polyamine content is modified by the interaction with different Trichoderma species 

      Salazar Badillo, Fatima Berenice; Sánchez Rangel, Diana; Becerra Flora, Alicia; López Gómez, Miguel; Nieto Jacobo, Maria Fernanda; Mendoza Mendoza, Artemio; Jiménez Bremont, Juan Francisco (Elsevier, 2015)
      "Plants are associated with a wide range of microorganisms throughout their life cycle, and some interactions result on plant benefits. Trichoderma species are plant beneficial fungi that enhance plant growth and development, ...

    • Effects of stochastic time-delayed feedback on a dynamical system modeling a chemical oscillator 

      González Ochoa, Héctor Octavio; Solís Perales, Gualberto Celestino; Epstein, Irving R.; Femat Flores, Alejandro Ricardo (American Physical Society, 2018)
      "We examine how stochastic time-delayed negative feedback affects the dynamical behavior of a model oscillatory reaction. We apply constant and stochastic time-delayed negative feedbacks to a point Field-KorosNoyes ...

    • Phase transition systematics in BiVO4 by means of high-pressure-high-temperature Raman experiments 

      Pellicer Porres, Julio; Vazquez-Socorro, David; López Moreno, Sinhué; Muñoz, Alfonso; Rodríguez-Hernández, Placida; Martínez-García, Domingo; Achary, Srungarpu Nagabhusan; Rettie, Alexander J. E.; Mullins, Charles (American Physical Society, 2018)
      "We report here high-pressure-high-temperature Raman experiments performed on BiVO4. We characterized the fergusonite and scheelite phases (powder and single crystal samples) and the zircon polymorph (nanopowder). The ...

    • Transport and diffusion on crystalline surfaces under external forces 

      Lindenberg, Katja; Lacasta, Ana Maria; Sancho, Jose Maria; Romero Castro, Aldo Humberto (IOP Publishing, 2005)
      "We present a numerical study of classical particles obeying a Langevin equation and moving on a solid crystalline surface under an external force that may either be constant or modulated by periodic oscillations. We focus ...

    • Removing lateral chromatic aberration in bright field optical microscopy 

      Guzmán Altamirano, Miguel Angel; Gutiérrez Medina, Braulio (Optical Society, 2015)
      "We present an efficient alternative to remove lateral chromatic aberration (LCA) in bright field light microscopy images. Our procedure is based on error calibration using time-sequential acquisition at different wavelengths, ...