Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Kenneth Fontánez"'
Autor:
Abniel Machín, Loraine Soto-Vázquez, Diego García, María C. Cotto, Dayna Ortiz, Pedro J. Berríos-Rolón, Kenneth Fontánez, Edgard Resto, Carmen Morant, Florian Petrescu, Francisco Márquez
Publikováno v:
Catalysts, Vol 13, Iss 3, p 538 (2023)
This study aimed to investigate the photocatalytic performance of diverse zinc oxide catalysts containing gold nanoparticles (AuNPs), molybdenum disulfide (MoS2), and reduced graphene oxide (rGO) toward the degradation of the antibiotics levofloxacin
Externí odkaz:
https://doaj.org/article/8c9a63df39ca4c51a00fe4e66583cc21
Autor:
Kenneth Fontánez, Diego García, Dayna Ortiz, Paola Sampayo, Luis Hernández, María Cotto, José Ducongé, Francisco Díaz, Carmen Morant, Florian Petrescu, Abniel Machín, Francisco Márquez
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 1, p 363 (2022)
The photocatalytic hydrogen evolution reaction (HER) by water splitting has been studied, using catalysts based on crystalline TiO2 nanowires (TiO2NWs), which were synthesized by a hydrothermal procedure. This nanomaterial was subsequently modified b
Externí odkaz:
https://doaj.org/article/31a12262718c4a79ad21691d96d5da26
Autor:
Abniel Machín, Kenneth Fontánez, Diego García, Paola Sampayo, Carla Colón-Cruz, Gerardo J. Claudio-Serrano, Loraine Soto-Vázquez, Edgard Resto, Florian I. Petrescu, Carmen Morant, Francisco Márquez
Publikováno v:
Catalysts, Vol 12, Iss 3, p 267 (2022)
The photocatalytic activity of silver-based catalysts containing different amounts of molybdenum disulfide (MoS2; 5, 10 and 20 wt.%) was evaluated by the degradation of the antibiotic ciprofloxacin and the production of hydrogen via water splitting.
Externí odkaz:
https://doaj.org/article/af7fdf9943774b6cb3e66a15f258d4c0
Photocatalytic Degradation of Fluoroquinolone Antibiotics in Solution by Au@ZnO-rGO-gC3N4 Composites
Autor:
Abniel Machín, Kenneth Fontánez, José Duconge, María C. Cotto, Florian I. Petrescu, Carmen Morant, Francisco Márquez
Publikováno v:
Catalysts, Vol 12, Iss 2, p 166 (2022)
The photocatalytic degradation of two quinolone-type antibiotics (ciprofloxacin and levofloxacin) in aqueous solution was studied, using catalysts based on ZnO nanoparticles, which were synthesized by a thermal procedure. The efficiency of ZnO was su
Externí odkaz:
https://doaj.org/article/09bbcb8297544d71b0a8913286ee23f4
Autor:
Abniel Machín, Kenneth Fontánez, Juan C. Arango, Dayna Ortiz, Jimmy De León, Sergio Pinilla, Valeria Nicolosi, Florian I. Petrescu, Carmen Morant, Francisco Márquez
Publikováno v:
Materials, Vol 14, Iss 10, p 2609 (2021)
At present, the world is at the peak of production of traditional fossil fuels. Much of the resources that humanity has been consuming (oil, coal, and natural gas) are coming to an end. The human being faces a future that must necessarily go through
Externí odkaz:
https://doaj.org/article/dd1c5a034c2644a4aa4705bfe1b187ed
Autor:
Abniel Machín, Loraine Soto-Vázquez, Carla Colón-Cruz, Carlos A. Valentín-Cruz, Gerardo J. Claudio-Serrano, Kenneth Fontánez, Edgard Resto, Florian I. Petrescu, Carmen Morant, Francisco Márquez
Publikováno v:
Biomimetics, Vol 6, Iss 1, p 4 (2021)
Different Ag@TiO2 and Ag@ZnO catalysts, with nanowire (NW) structure, were synthesized containing different amounts of silver loading (1, 3, 5, and 10 wt.%) and characterized by FE-SEM, HRTEM, BET, XRD, Raman, XPS, and UV–vis. The photocatalytic ac
Externí odkaz:
https://doaj.org/article/663ff8feb41944e0a363d947c85ca80b
Autor:
Abniel Machín, Juan C. Arango, Kenneth Fontánez, María Cotto, José Duconge, Loraine Soto-Vázquez, Edgar Resto, Florian Ion Tiberiu Petrescu, Carmen Morant, Francisco Márquez
Publikováno v:
Biomimetics, Vol 5, Iss 3, p 39 (2020)
For some decades, the scientific community has been looking for alternatives to the use of fossil fuels that allow for the planet’s sustainable and environmentally-friendly development. To do this, attempts have been made to mimic some processes th
Externí odkaz:
https://doaj.org/article/c0e6d3ae0464438f8ad3f2c350d9093d
Autor:
Francisco Márquez, Relly Victoria Petrescu, Juan C. Arango, Abniel Machín, Kenneth Fontánez, Florian Ion Petrescu
Publikováno v:
International Journal of Hydrogen Energy. 45:20740-20764
Due to the fact that any type of aerospace vessel needs energy, and in the future, this energy must be nuclear and obtained by fusion, not by fission, this paper presents shortly a method by which nuclear fusion can be more easily achieved on an indu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46c82cc949f95eae5f44c2e8c02d3ee7
https://doi.org/10.1016/j.ijhydene.2020.05.253
https://doi.org/10.1016/j.ijhydene.2020.05.253
Publikováno v:
American Journal of Engineering and Applied Sciences. 13:49-55
Vertically Aligned Carbon Nanotubes (VA-CNTs) were grown by Chemical Vapor Deposition (CVD) on a silicon substrate with alternating layers of TiN and SiO2. VA-CNTs were exposed to X-ray radiation to study the change in resistivity later. Preliminary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4542868db594142131b5584ac0225652
https://doi.org/10.3844/ajeassp.2020.49.55
https://doi.org/10.3844/ajeassp.2020.49.55
Autor:
Abniel Machín, Francisco Márquez, Kenneth Fontánez, José Duconge, María Cotto, Carmen Morant, Florian Ion Tiberiu Petrescu
The photocatalytic degradation of two quinolone-type antibiotics (ciprofloxacin and levofloxacin) in aqueous solution was studied, using catalysts based on ZnO nanoparticles, which were synthesized by a thermal procedure. The efficiency of ZnO was su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ac0f4f2c463dc5881dfc6e1ab7a9a06
https://doi.org/10.20944/preprints202201.0122.v1
https://doi.org/10.20944/preprints202201.0122.v1
