Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Raúl G. López"'
Autor:
Dalia Y. Sosa, Lourdes Guillén, Hened Saade, Eduardo Mendizábal, Jorge E. Puig, Raúl G. López
Publikováno v:
Molecules, Vol 20, Iss 1, Pp 52-69 (2014)
The semicontinuous heterophase polymerization of styrene in the presence of cross-linking and porogen agents was carried out. Latexes with close to 20% solid content, which contained mesoporous nanoparticles with 28 nm in average diameters, up to 0.5
Externí odkaz:
https://doaj.org/article/fbd54ebf875d4b89a93709f4f8995b42
Publikováno v:
International Journal of Polymer Science, Vol 2015 (2015)
Nanoparticles of poly(ethyl cyanoacrylate) with more than 10% solids content were prepared by semicontinuous heterophase polymerization at monomer-starved conditions varying the initial pH in the interval of 1–1.75 and at two monomer dosing rates.
Externí odkaz:
https://doaj.org/article/bbf2373fb95e4befa2ffb7d112bc5bfb
Autor:
Santiago Saavedra, Francisco Javier Enríquez-Medrano, Angel Licea-Claverie, Graciela Morales, Roberto López-Muñoz, Raúl G. López, Fabiola Castellanos, Hened Saade, M. E. Treviño, Oliverio Rodríguez‐Fernández
Publikováno v:
Journal of biomaterials science. Polymer edition. 32(9)
Nanoparticles (NP) of 12.7 nm in diameter of the poly(methyl methacrylate (MMA)-co-methacrylic acid (MAA)) copolymer were prepared. 13C-NMR results showed a MMA:MAA molar ratio of 0.64:0.36 in the ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0ddc93834566e0497b3a90603ea8dda
https://pubmed.ncbi.nlm.nih.gov/33691605
https://pubmed.ncbi.nlm.nih.gov/33691605
Autor:
M. E. Treviño, H. Saade, O. S. Rodríguez-Fernández, J. A. Valdez, Francisco Javier Enríquez-Medrano, Raúl G. López, R. Díaz de León-Gómez, J. J. Borjas, Florentino Soriano-Corral, F. Castellanos
Publikováno v:
Journal of Nanomaterials, Vol 2021 (2021)
Lavender oil- (LO-) loaded ultrafine nanoparticles (NP) ( diameter < 50 nm ) of a copolymer were used for impregnating fabrics of cotton, cotton polyester, and polyester-elastane. The copolymer was composed mainly of methyl methacrylate (MMA) units w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::149e0b30072f6c3792939019c999976a
https://doaj.org/article/9724902508c04ea6ac8f13cff6ecc90d
https://doaj.org/article/9724902508c04ea6ac8f13cff6ecc90d
Autor:
R. López-Muñoz, H. Saade, Francisco Javier Enríquez-Medrano, Graciela Morales, J. A. Valdez-Garza, Raúl G. López, M. E. Treviño, R. Díaz de León
Publikováno v:
Journal of Nanomaterials, Vol 2019 (2019)
Nanoparticles of the poly(methyl methacrylate-co-methacrylic acid) or copolymer of P(MMA-co-MAA), were prepared by semicontinuous heterophase polymerization; they show a mean diameter of 12 nm and a 1.75 MMA/MAA molar ratio determined by carbon-13 nu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b06517e0d7313627a6df6bf01dcecd75
https://doaj.org/article/8e2f2f2350474256891e59ff31dbd127
https://doaj.org/article/8e2f2f2350474256891e59ff31dbd127
Publikováno v:
Journal of Biomaterials Science, Polymer Edition. 27:1126-1138
Ibuprofen-loaded polymeric particles with around 9.2 nm in mean diameter, as determined by electron microscopy, dispersed in an aqueous media containing up to 12.8% solids were prepared by semicontinuous heterophase polymerization. The polymeric mate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b66ecd750187314b69268e418c5c19ae
https://doi.org/10.1080/09205063.2016.1184120
https://doi.org/10.1080/09205063.2016.1184120
Autor:
Francisco Javier Enríquez-Medrano, Raúl G. López, Jesús Cepeda, María de Lourdes Guillén, H. Saade, Judith Cabello Romero, Anna Ilyna, Salvador Fernández
Publikováno v:
International Journal of Polymer Science, Vol 2016 (2016)
Ultrafine nanoparticles, less than 10 nm in mean diameter, of the FDA approved copolymer methyl methacrylate- (MMA-)co-methacrylic acid (MAA), 2/1 (mol/mol), were prepared. The method used for the preparation of these particles stabilized in a latex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6e0b92426b9365b326c3aa4eeca7185
https://doi.org/10.1155/2016/7674620
https://doi.org/10.1155/2016/7674620
Autor:
Raúl G. López, Omar González-Ortega, Hugo Martínez-Gutiérrez, Víctor M. Ovando-Medina, Lorena Farías-Cepeda, Pedro A. Alonso-Dávila, Blanca E. Castillo-Reyes
Publikováno v:
Colloid and Polymer Science. 293:3459-3469
Nanoparticles of zinc oxide (ZnO) with acicular rod-like morphology were synthesized using a bicontinuous microemulsion and coated with polypyrrole (PPy), by polymerization in the presence of dioctyl sodium sulfosuccinate (AOT) surfactant with ammoni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23dc5118fc1e94a06c1dcccb1ac1db98
https://doi.org/10.1007/s00396-015-3717-2
https://doi.org/10.1007/s00396-015-3717-2
Autor:
Raúl G. López, Hened Saade, José Sandoval, Anna Ilyina, Elda P. Segura, Fernando Javier Arévalo, Héctor Fernández, Yolanda Osuna, María Alicia Zon, Edith M. Colunga, José L. Martinez, Gabriela de la Cruz
Publikováno v:
Bioprocess and Biosystems Engineering. 38:1437-1445
Aspergillus niger lipase immobilization by covalent binding on chitosan-coated magnetic nanoparticles (CMNP), obtained by one-step co-precipitation, was studied. Hydroxyl and amino groups of support were activated using glycidol and glutaraldehyde, r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de22f3d029d02254fcef19ee5ca25c70
https://doi.org/10.1007/s00449-015-1385-8
https://doi.org/10.1007/s00449-015-1385-8