Resultados de búsqueda - ((end OR penso) OR (observed OR (compcppcppcppcppcppcppcppene OR compcppcppcppcppcppcppcppene)))

  1. 461

    CD20 expression in B-cell precursor acute lymphoblastic leukemia is common in Mexican patients and lacks a prognostic value por Solano Genesta, Manuel, Tarín Arzaga, Luz, Velasco Ruiz, Ileana, Lutz Presno, Julia A., González Llano, Óscar, Mancías Guerra, Consuelo, Rodríguez Romo, Laura, Ruiz Delgado, Guillermo J., Ruiz Argüelles, Guillermo José, Jaime Pérez, José Carlos, Gómez Almaguer, David

    Publicado 2012
    “…We retrospectively analyzed CD20 expression in 143 patients with newly diagnosed precursor B-cell ALL. CD20 was observed in 61% of patients at diagnosis. There was no correlation between CD20 expression and age, white blood cell count, or cytogenetic abnormalities. …”
    Enlace del recurso
    Artículo
  2. 462

    Low temperature synthesis of hexagonal Bi2Te3 nanoplates using an open reactor and its effect on their physicochemical properties por Reyes Verdugo, Laura A., Martinez Carreon, Maria de J., Gutiérrez Lazos, C. D., Solis Pomar, Francisco J., Quiñones Galvan, Jose G., Pérez Tijerina, Eduardo

    Publicado 2024
    “…A vibrational mode at 120 cm−1 due to the breaking of the symmetry of the Bi2Te3 crystal along the C axis was observed by Raman spectroscopy. XPS results showed that despite the strong reactivity of Te2− ions with ambient oxygen, the crystallization of Bi2Te3 hexagonal nanoplates is feasible without controlled vapor pressure and at a lower temperature than reported in other works. …”
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    Artículo
  3. 463

    Study of structural properties of BiOI on ZnO thin films and ZnO nanorods por Gutiérrez Lazos, C. D., Fundora Cruz, A., Solís Pomar, F., Pérez Tijerina, E.

    Publicado 2019
    “…The scanning electron microscopy analysis showed that BiOI grew on the ZnO-NR surfaces in nanoplatelet shape with an order of magnitude smaller in size, with respect to the platelets observed in BiOI thin films. Analysis by X-ray diffraction exhibited the hexagonal P63mc phase of ZnO and the tetragonal P4nmm crystal phase of BiOI. …”
    Enlace del recurso
    Artículo
  4. 464

    Evaluation of DNA single and double strand breaks in women with cervical neoplasia based on alkaline and neutral comet assay techniques por Cortés Gutiérrez, Elva I., Hernández Garza, Fernando, García Pérez, Jorge O., Dávila Rodríguez, Martha I., Aguado Barrera, Miguel E., Cerda Flores, Ricardo M.

    Publicado 2012
    “…A significant increase in global DNA damage (ssb + dsb) and dsb was observed in patients with HG-SIL (48.90 ± 12.87 and 23.50 ± 13.91), patients with LG-SIL (33.60 ± 14.96 and 11.20 ± 5.71), and controls (21.70 ± 11.87 and 5.30 ± 5.38; resp.). …”
    Enlace del recurso
    Artículo
  5. 465
  6. 466

    Myocardial perfusion in patients with ST depression during the recovery phase of treadmill stress tests por Peña Almaguer, Erasmo de la, Desai, Milind Y., Mannting, Finn

    Publicado 2009
    “…Fixed only perfusion abnormalities were found in 3 patients (6%), seven (14%) had fixed and reversible perfusion defects and 20 (40%) showed ischemia only. Ischemia was observed in the anterior wall in 10 patients, inferior wall in 12, lateral wall in 5, apex in 8 and septum in 1 patient. …”
    Enlace del recurso
    Artículo
  7. 467

    FePt icosahedra with magnetic cores and catalytic shells por Wang, Rongming, Dmitrieva, Olga, Farle, Michael, Dumpich, Güntner, Acet, Mehmet, Mejía Rosales, Sergio, Pérez Tijerina, Eduardo, Yacamán, Miguel José, Kisielowski, Christian

    Publicado 2009
    “…Computational studies and energy-filtered transmission electron microscopy analyses suggest that a Pt-enriched surface layer is energetically favored and that site-specific vacancies are formed at the edges of facettes, which was experimentally observed. The presence of the Pt-enriched shell around an Fe/Pt core explains the environmental stability of the magnetic icosahedra and strongly reduces the exchange coupling between neighboring particles, thereby possibly providing the highest packing density for future magnetic storage media based on FePt nanoparticles.…”
    Enlace del recurso
    Artículo
  8. 468

    On the structure and properties of silver nanoparticles por Gracia Pinilla, Miguel Ángel, Pérez Tijerina, Eduardo, Antúnez García, Joel, Fernández Navarro, Carlos Javier, Tlahuice Flores, Alfredo, Mejía Rosales, Sergio, Montejano Carrizales, Juan Martín, Yacamán, Miguel José

    Publicado 2008
    “…We also found that both the size and shape of the nanoparticles determine the shift of the UV-visible absorption spectrum. Finally, we observed the formation of atomic islands above the faces of the Ag tetrahedral NPs, in agreement with the results obtained from the MD simulations.…”
    Enlace del recurso
    Artículo
  9. 469

    El diálogo político juvenil. Cómo los medios y la sofisticación influyen en la conversación política. Youth Political Dialogue: How the Media and the Sophistication Influence th... por Muñiz, Carlos

    Publicado 2012
    “…A positive impact of studied variables was observed, increasing the conversation between the more sophisticated students and those who use media in order to get political information.…”
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    Artículo
  10. 470

    Estimación de los niveles ambientales de formaldehido en clínicas de odontopediatría. por Villarreal González, Adela Andrea

    “…Conclusions The results showed there were formaldehyde concentrations in the air of the clinics, enough to generate irritations in eyes and skin, higher concentrations were also observed in the clinics where the ventilation was zero and they performed a poor management of it.…”
    Enlace del recurso
    Tesis
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