Listar División de Nanociencias y Materiales por título 
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Listar División de Nanociencias y Materiales por título

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Mostrando ítems 380-399 de 595

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    • Parametric oscillators from factorizations employing a constant-shifted Riccati solution of the classical harmonic oscillator 

      Rosu Barbus, Haret-Codratian; Khmelnytskaya, Kira V. (Elsevier, 2011)
      "We determine the kind of parametric oscillators that are generated in the usual factorization procedure of second-order linear differential equations when one introduces a constant shift of the Riccati solution of the ...
    • Perceptual security of encrypted images based on wavelet scaling analysis 

      Vargas Olmos, Cecilia; Murguía, José; Ramírez Torres, Marco Tulio; Mejía Carlos, Marcela; Rosu Barbus, Haret-Codratian (2016)
      "The scaling behavior of the pixel fluctuations of encrypted images is evaluated by using the detrended fluctuation analysis based on wavelets, a modern technique that has been successfully used recently for a wide range ...
    • Periodic Sturm-Liouville problems related to two Riccati equations of constant coefficients 

      Khmelnytskaya, Kira V.; Rosu Barbus, Haret-Codratian (Elsevier, 2010)
      "We consider two closely related Riccati equations of constant parameters whose particular solutions are used to construct the corresponding class of supersymmetrically-coupled second-order differential equations. We solve ...
    • Phase transformation and magnetocaloric effect of Co-doped Mn–Ni–In melt-spun ribbons 

      Yang, Yiqiao; Li, Zongbin; Sánchez Valdés, Cesar Fidel; Sánchez Llamazares, José Luis; Yang, Bo; Zhang, Yudong; Esling, Claude; Zhao, Xiang; Zuo, Liang (American Institute of Physics, 2020)
      "Ribbon-shaped magnetocaloric materials are favorable to achieve high heat-transfer efficiencies due to their large specific surface area. In this work, Mn50Ni41−xIn9Cox (0 ≤ x ≤ 4) ribbons were prepared using a melt-spinning ...
    • Phase transition and magnetocaloric properties of Mn50Ni42−xCoxSn8 (0 ≤ x ≤ 10) melt-spun ribbons 

      Li, Zongbin; Jiang, Yiwen; Li, Zhenzhuang; Sánchez Valdés, Cesar Fidel; Sánchez Llamazares, José Luis; Yang, Bo; Zhang, Yudong; Esling, Claude; Zhao, Xiang; Zuo, Liang (International Union of Crystallography, 2018)
      "The characteristics of magnetostructural coupling play a crucial role in the magnetic field-driven behaviour of magnetofunctional alloys. The availability of magnetostructural coupling over a broad temperature range is ...
    • 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 ...
    • Photo-assisted inactivation of Escherichia coli bacteria by silver functionalized titanate nanotubes, Ag/H2Ti2O5H2O 

      Patrón Soberano, Olga Araceli; Núñez Luna, Blanca Perla; Casas Flores, J. Sergio; De Las Peñas Nava, Alejandro; Domínguez Espíndola, Ruth Belinda; Rodríguez González, Vicente (2017)
      "One-dimensional titanate nanotubes (H2Ti2O5·H2O) functionalized with silver nanoparticles (AgNPs) exhibited unique properties for the effective inactivation of the Gram-negative Escherichia coli within 45 minutes under ...
    • Photoanodes modified with reduced graphene oxide to enhance photoelectrocatalytic performance of B-TiO2 under visible light 

      Gualdrón Reyes, Andrés Fabián; Meléndez, Angel M.; Niño Gómez, Martha Eugenia; Rodríguez González, Vicente; Carreño Lizcano, María Isabel (2015)
      "The effect of reduced graphene oxide (rGO) content in boron-modified TiO2 nanocrystalline films on their photocatalytic activity in phenol oxidation is investigated. Visible-light-active TiO2 modified photoanodes were ...
    • Photocatalytic properties of BiOCl-TiO2 composites for phenol photodegradation 

      Sánchez Rodríguez, Dalia Verónica; Méndez Medrano, María Guadalupe; Remita, Hynd; Escobar Barrios, Vladimir Alonso (Elsevier, 2018)
      "BiOCl-TiO2 composites were synthesized by sol-gel method; using two commercial BiOCl (P2600 and SB) with different BiOCl-TiO2 weight ratios. They were characterized by different techniques such as X-ray diffraction (XRD), ...
    • PI-controlled bioreactor as a generalized Liénard system 

      Ibarra Junquera, Vrani; Rosu Barbus, Haret-Codratian (Elsevier, 2007)
      "It is shown that periodic orbits can emerge in Cholette’s bioreactor model working under the influence of a PI-controller. We find a diffeomorphic coordinate trans-formation that turns this controlled enzymatic reaction ...
    • Pine-tree-like morphologies of nitrogen-doped carbon nanotubes: Electron field emission enhancement 

      García Betancourt, María Luisa; Perea López, Néstor; Vega Díaz, Sofía Magdalena; López Urías, Florentino; Elías Arriaga, Ana Laura; Ortiz Medina, Josué; Muñoz Sandoval, Emilio; Terrones Maldonado, Mauricio (2014)
      "Nitrogen-doped multiwalled carbon nanotube (CNT) bundles exhibiting pine-tree-like morphologies were synthesized on silicon-silicon oxide (Si/SiO2) substrates using a pressure-controlled chemical vapor deposition process. ...
    • Planar motion with Fresnel integrals as components of the velocity 

      Flores Garduño, Elizabeth; Mancas, Stefan C; Rosu Barbus, Haret-Codratian; Pérez Maldonado, Maximino (Sociedad Mexicana de Física, A.C., 2020)
      "We analyze the two-dimensional motion of a rigid body due to a constant torque generated by a force acting on the body parallel to the surface on which the body moves extending an old note of Ferris-Prabhu [Am. J. Phys. ...
    • Planeación en la era de las pandemias; una visión de futuro 

      Laclette, Juan Pedro; Morán López, José Luis (Academia Mexicana de Ciencias, 2020)
      "La pandemia ocasionada por el SARS-CoV-2 ha puesto al mundo entero al borde del colapso económico y de salud. Sorprende la falta de previsión en muchos países, México entre ellos. Tenemos la certeza de que otros eventos ...
    • Plasmonic sensing of aqueous-divalent metal ions by biogenic gold nanoparticles 

      Silva De Hoyos, Luisa Elena; Sanchez Mendieta, Víctor; Vilchis Nestor, Alfredo Rafael; Camacho López, Miguel Angel; Trujillo Reyes, Jésica; Ávalos Borja, Miguel (Hindawi Publishing Corporation, 2019)
      "The chemical interaction between biogenic gold nanoparticles (AuNPs) and several metal (II) ions can be regarded as a practical, twofold, colorimetric, and plasmon resonance sensing method for the recognition of some ...
    • Platinum nanoclusters in silica: Photoluminescent properties and their application for enhancing the emission of silicon nanocrystals in an integrated configuration 

      Bornacelli, J.; Silva Pereyra, Héctor Gabriel; Rodríguez Fernández, Luis; Ávalos Borja, Miguel; Oliver G., Alicia (2016-09)
      "We studied photoluminescence of ion implanted platinum nanoclusters embedded in silica. Pt ions were implanted at 2 MeV and the Pt nanoclusters were then nucleated by thermal treatment under either argon, air, or a reducing ...
    • Polystyrene grafting of CNx nanotubes for the elaboration of polystyrene-based nanocomposites. 

      Dehonor Gómez, Mariamne (2007)
      "This thesis is concerned to the development of novel engineered surface materials using nitrogen-doped carbon nanotubes (CNx) that were grafted with polystyrene (PS) chains using in situ radical polymerization controlled ...
    • Population and Transcriptomic Changes of the Tropical Fish Parasite Caligus confusus (Copepoda: Caligidae) with Seasonal Variations in Sea Temperature 

      Pimentel Acosta, Citlalic Altagracia; Caña Bozada, Víctor Hugo; Osuna Cabanillas, Juan Manuel; Fajer Ávila, Emma Josefina; Ovando Vázquez, Cesaré Moises; Morales Serna, Francisco Neptali (MDPI, 2023)
      Fish–parasite systems could be subject to two scenarios under climate change: (i) increased water temperature might enhance parasite metabolism, allowing the parasite to spread rapidly; (ii) parasitism could decrease if ...
    • Practical mediated-assembly synthesis of silver nanowires using commercial Camellia sinensisextracts and their antibacterial properties 

      Flores González, Marissa; Talavera Rojas, Martín; Soriano Vargas, Edgardo; Rodríguez González, Vicente (2018)
      "Camellia sinensis is a well-known plant used for health purposes due to its high phenolic compound content and antioxidant properties. For the first time, the infusion of green tea has allowed the growth and stabilization ...
    • Predicción de parámetros estructurales para membranas de Polisulfona, mediante modelos de Diseño de Experimentos y Aprendizaje de Máquina. 

      Maldonado López, Luis Eduardo (2022-04)
      "Actualmente enfrentamos una crisis del agua muy grave, que nos obliga a buscar múltiples soluciones a dicho problema. Una de ellas es filtrar el agua para reutilizarla, y para ello se han usado membranas con distintos ...
    • Preparación de materiales compuestos mediante la funcionalización covalente de nanotubos de carbono (CNTs) con polímero 

      Espinosa González, Claudia Guadalupe (2013-02)
      "En este trabajo de tesis doctoral estudiamos la preparación de nanocompositos de nanotubos de carbono (CNTs) y polímero mediante la funcionalización covalente de CNTs por adición alquílica, usando la reacción de sales de ...
      Instituto Potosino de Investigación Científica y Tecnológica A.C. Tel: (444) 8342000
      Camino a la Presa San José 2055 Col. Lomas 4 sección CP. 78216 San Luis Potosí S.L.P., México
       

       

      Instituto Potosino de Investigación Científica y Tecnológica A.C. Tel: (444) 8342000
      Camino a la Presa San José 2055 Col. Lomas 4 sección CP. 78216 San Luis Potosí S.L.P., México