Zobrazeno 1 - 10
of 17
pro vyhledávání: '"O. A. González Vargas"'
Autor:
Isaias Limón-Rocha, Adriana Marizcal-Barba, C. A. Guzmán-González, Luis M. Anaya-Esparza, Suresh Ghotekar, O. A. González-Vargas, A. Pérez-Larios
Publikováno v:
Inorganics, Vol 10, Iss 10, p 157 (2022)
Pure TiO2 synthesized by the sol-gel method and subsequently deposited at 5% by weight with Co, Cu, Fe, and Ni ions by the deposition–precipitation method was studied as photocatalysts. The nanomaterials were analyzed by SEM, TEM, UV-Vis DRS, DRX,
Externí odkaz:
https://doaj.org/article/784f014cf2664888bfc4aa400460d764
Autor:
Adriana Marizcal-Barba, Isaias Limón-Rocha, Arturo Barrera, José Eduardo Casillas, O. A. González-Vargas, José Luis Rico, Claudia Martinez-Gómez, Alejandro Pérez-Larios
Publikováno v:
Inorganics, Vol 10, Iss 5, p 67 (2022)
The indiscriminate use of naproxen as an anti-inflammatory has been the leading cause of pollution in sewage effluents. Conversely, titanium dioxide is one of the most promising photocatalyst for the degradation of pollutants. Ti-La mixed oxides cont
Externí odkaz:
https://doaj.org/article/421a9c02c9894ea698cabcf993de333b
Autor:
Isaias Limón-Rocha, C. A. Guzmán-González, Luis M. Anaya-Esparza, R. Romero-Toledo, J. L. Rico, O. A. González-Vargas, A. Pérez-Larios
Publikováno v:
Inorganics, Vol 10, Iss 2, p 16 (2022)
Zinc nitrate (ZnON) and zinc acetate (ZnOA) were used as precursors for the synthesis of zinc oxide (ZnO) nanoparticles by the sol–gel method. The ZnO powder was characterized by scanning electron microscopy (SEM), transmission electron microscopy
Externí odkaz:
https://doaj.org/article/df2bc6461e67470db898bb1224609d4e
Autor:
Juliet Aguilera Gonzalez, R. Sotelo, Xiangshan Zhou, S. Solís, U. Arellano, L.M. Balcázar, M. Azomosa, Li Fang Chen, J. Liu, O. A. González Vargas, Yueqin Song, Jin An Wang
Publikováno v:
Catalysis Today. :62-80
Ag/CeO2/SBA-15 hybrid photocatalysts were synthesized and their catalytic activities were investigated in the photodegradation of Congo red (CR) under different conditions. The results of X-ray diffraction (XRD) analysis, Rietveld refinement, X-ray p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9b906e6993412e0417f38622ebb2b10
https://doi.org/10.1016/j.cattod.2021.10.014
https://doi.org/10.1016/j.cattod.2021.10.014
Autor:
Lifang Chen, O. A. González Vargas, Jin An Wang, J.A. de los Reyes Heredia, Sean M. Anderson, V. A. Suárez-Toriello
Publikováno v:
Research on Chemical Intermediates. 47:2857-2880
1wt%Rh/Ce-MCM-41 catalysts were prepared by the incipient wet impregnation method using mesoporous Ce-MCM-41 materials as supports where the Si/Ce molar ratios varied from 10 to 50. The structural properties and physicochemical features of the cataly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be5d505fbb0fd04c5675d2ce7063ad1f
https://doi.org/10.1007/s11164-021-04436-4
https://doi.org/10.1007/s11164-021-04436-4
Autor:
Luis M. Anaya-Esparza, Napoleón González-Silva, Elhadi M. Yahia, O. A. González-Vargas, Efigenia Montalvo-González, Alejandro Pérez-Larios
Publikováno v:
Nanomaterials, Vol 9, Iss 7, p 992 (2019)
Mixed oxide nanoparticles (MONs, TiO2−ZnO−MgO) obtained by the sol-gel method were characterized by transmission electron microscopy, (TEM, HRTEM, and SAED) and thermogravimetric analysis (TGA/DTGA−DTA). Furthermore, the effect of MONs on micro
Externí odkaz:
https://doaj.org/article/0e6d79372b8b480295947ab10f298d52
Autor:
M. I. Torres-Ramos, U. J. Martín-Camacho, J. L. González, M. F. Yañez-Acosta, L. Becerra-Solano, Y. K. Gutiérrez-Mercado, M. Macias-Carballo, Claudia M. Gómez, O. A. González-Vargas, J. A. Rivera-Mayorga, Alejandro Pérez-Larios
Publikováno v:
International Journal of Molecular Sciences; Volume 23; Issue 13; Pages: 7258
This study aimed to develop Ca2+ doped ZnO nanoparticles (NPs) and investigate their antibacterial properties against microorganisms of dental interest. Zn-Ca NPs were synthesized by the sol-gel method with different concentrations of Ca2+ (1, 3, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9aca289852ceeb5114d628cc04d22604
https://pubmed.ncbi.nlm.nih.gov/35806263
https://pubmed.ncbi.nlm.nih.gov/35806263
Autor:
Lifang Chen, Roberto Limas, Juliet Aguilera Gonzalez, R. Manzo, Jin An Wang, J. T. Vázquez Rodríguez, O. A. González Vargas
Publikováno v:
Materials Letters. 220:70-73
Structural defects in both MCM–41 (Mobil Composition of Matter No. 41) framework and V2O5 nanocrystals and surface acid sites of the V2O5/MCM–41 hybrid nanomaterials were quantitatively determined. Oxygen defects were found to be related to Lewis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::125962e5b414ed525b8fd00d29dacc0f
https://doi.org/10.1016/j.matlet.2018.02.111
https://doi.org/10.1016/j.matlet.2018.02.111
Autor:
O. A. González Vargas, R. Hurtado Rangel, Jin An Wang, V. A. Suárez-Toriello, J.A. de los Reyes Heredia, Lifang Chen
Publikováno v:
Journal of Materials Science: Materials in Electronics. 29:15621-15631
Ce-modified mesostructured MCM-41-type hybrid materials with different Si/Ce molar ratios (Si/Ce = 10, 30 and 50) were synthesized by the surfactant-assisted hydrothermal method and their structural and optical properties were characterized by small
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30cacd5d5f93549398469bccf9910454
https://doi.org/10.1007/s10854-018-9154-5
https://doi.org/10.1007/s10854-018-9154-5
Autor:
J. M. Shen, J. T. Vázquez Rodríguez, Michael T. Timko, O. A. González Vargas, M. E. Llanos, M. Asomoza, Jielong Wang, Lifang Chen, A. Estrella, U. Arellano
Publikováno v:
Fuel. 149:15-25
A series of CuO supported on graphite carbon catalysts (noted as Cu/GC) was prepared with impregnation method and CuO loading varied from 1 wt% to 5, 10 and 15 wt%. Textural properties, crystalline structure, phase composition, copper oxidation state
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9b3fb550a5d8792a9e3ea3afa1489d5
https://doi.org/10.1016/j.fuel.2014.11.001
https://doi.org/10.1016/j.fuel.2014.11.001