Zobrazeno 1 - 10
of 86
pro vyhledávání: '"G. Ortega-Zarzosa"'
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
Magnetic composites with silver nanoparticles bonded to their surface were successfully prepared using a simple chemical method. By means of a sol-gel technique, nickel ferrite nanoparticles have been prepared and coated with silica to control and av
Externí odkaz:
https://doaj.org/article/3b446b40a10144b6bfba779a57848b37
Autor:
J. R. Martínez, A. Vázquez-Durán, G. Martínez-Castañón, G. Ortega-Zarzosa, S. A. Palomares-Sánchez, Facundo Ruiz
Publikováno v:
Advances in Materials Science and Engineering, Vol 2008 (2008)
Partial crystallization of silica xerogel in the form of coesite has been obtained at low-pressure conditions and temperatures of ∼565∘C, in samples containing chlorophyll aggregates dispersed in amorphous silica. Silica xerogel samples were prep
Externí odkaz:
https://doaj.org/article/ae10f2d678ba4246a81fd05e2d75365e
Autor:
J R Martínez, G Ortega-Zarzosa, A Nieto-Villena, S E Velázquez Pérez, S Montiel-Palma, A M Herrera-González, E Galván-García, A Lobo Guerrero
Publikováno v:
Materials Research Express, Vol 8, Iss 4, p 045201 (2021)
This work deals with the fluorescence behavior exhibited by extracts of parota wood (enterolobium cyclocarpum) when are embedded in a silica matrix, and the effect of the temperature on the emission and structural properties. The organics were incorp
Externí odkaz:
https://doaj.org/article/c4e1ec4da7164d4eb46e6aec79bf1c13
Autor:
J R Martínez, D Espericueta, Gehenna Guerrero-Serrano, G Ortega-Zarzosa, E Espericueta, A Lobo Guerrero
Publikováno v:
Materials Research Express, Vol 7, Iss 1, p 015205 (2020)
This work reports on the behavior of β -carotene within a silica matrix prepared by the sol-gel method. Results show that highly pure β -carotene integrates with the silica to form a silica-based composite. The interaction exhibited between the ino
Externí odkaz:
https://doaj.org/article/dbb0f195c9cb45b8a913fcd4c4d60edf
Autor:
G. Ortega-Zarzosa, E.L. Guel-González, J.R. Martínez, A.M. Herrera-González, N. Trejo-Carbajal, A. Lobo Guerrero
Publikováno v:
Optical Materials. 137:113520
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0f14ad56cbe953468ef3d43be73c4a6
https://doi.org/10.1016/j.optmat.2023.113520
https://doi.org/10.1016/j.optmat.2023.113520
Determination of the layered structure of baryta based heritage photographs by infrared ellipsometry
Autor:
Á. Solbes-García, Alejandra Nieto-Villena, J. R. Martínez, R. E. Balderas-Navarro, G. Ortega-Zarzosa, J.A. de la Cruz-Mendoza, A. Lastras-Martnez, J. M. Flores-Camacho
Publikováno v:
Journal of Cultural Heritage. 36:174-182
Variable angle-infrared spectroscopic ellipsometry is proposed as a reliable tool for the characterization of heritage photographic prints. It is shown that the proposed technique has access to both the chemical composition and the physical structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3875fbe146a71d3de21cb90223b5839
https://doi.org/10.1016/j.culher.2018.09.009
https://doi.org/10.1016/j.culher.2018.09.009
Autor:
Alejandra Nieto-Villena, Á. Solbes-García, María Ángeles Ramírez-Saito, José Ángel de la Cruz-Mendoza, G. Ortega-Zarzosa, A. L. Guerrero-Serrano, José Luis Arauz-Lara, José Refugio Martínez Mendoza
Publikováno v:
Journal of Cultural Heritage. 36:191-199
In this work, we explore the use of confocal microscopy to identify the composition of ancient photographs, taking advantage of the binders’ fluorescence and the organic materials nature used as protective coating in their respective manufacture pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a75f7f3b64f9272f9c2e896aaa8d3a2
https://doi.org/10.1016/j.culher.2018.07.014
https://doi.org/10.1016/j.culher.2018.07.014
Autor:
E. Espericueta, Gehenna Guerrero-Serrano, J. R. Martínez, A. Lobo Guerrero, G. Ortega-Zarzosa, D.L. Espericueta
Publikováno v:
Materials Research Express.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7da8fb29e763efb67b1011bfedd25af4
https://doi.org/10.1088/2053-1591/ab6808
https://doi.org/10.1088/2053-1591/ab6808
Autor:
J.R. Martínez, R.Á. Vázquez García, Gehenna Guerrero Serrano, D. Espericueta, G. Ortega Zarzosa, S. Montiel-Palma, S.E. Velázquez Pérez, A. Lobo Guerrero
Publikováno v:
Solid State Sciences. 124:106804
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bce8fa1397d8fd6b7def2276e46cdfb
https://doi.org/10.1016/j.solidstatesciences.2021.106804
https://doi.org/10.1016/j.solidstatesciences.2021.106804