Listar por autoría "d9f5c5de-a631-41f3-a69a-d854524c6f9b"

Mostrando ítems 1-13 de 13

    • openAccess   Ag Nanoparticles/α-Ag2WO4 Composite Formed by Electron Beam and Femtosecond Irradiation as Potent Antifungal and Antitumor Agents 

      Assis, Marcelo de; Robeldo, Thaiane; Foggi, Camila Cristina; Kubo, A.M.; Mínguez-Vega, Gladys; Cordoncillo, Eloisa; Beltrán Mir, Héctor; Torres-Mendieta, Rafael; Andres, Juan; Oliva, Mónica; Vergani, Carlos; Barbugli, P.A.; Camargo, E.R.; Borra, Ricardo Carneiro; Longo, Elson Nature Research (2019)
      The ability to manipulate the structure and function of promising systems via external stimuli is emerging with the development of reconfigurable and programmable multifunctional materials. Increasing antifungal and antitumor ...

    • closedAccess   Characterization of Tin/Ethylene Glycol Solar Nanofluids Synthesized by Femtosecond Laser Radiation 

      Torres-Mendieta, Rafael; Mondragón Cazorla, Rosa; Puerto-Belda, Verónica; Mendoza-Yero, Omel; Lancis, Jesús; Juliá Bolívar, José Enrique; Mínguez-Vega, Gladys John Wiley & Sons, Ltd. (2016-11-22)
      Solar energy is available over wide geographical areas and its harnessing is becoming an essential tool to satisfy the ever-increasing demand for energy with minimal environmental impact. Solar nanofluids are a novel solar ...

    • openAccess   Fabrication by Laser Irradiation in a Continuous Flow Jet of Carbon Quantum Dots for Fluorescence Imaging 

      Doñate-Buendía, Carlos; Torres-Mendieta, Rafael; Pyatenko, Alexander; Falomir, Eva; Fernández Alonso, Mercedes; Mínguez-Vega, Gladys American Chemical Society (2018)
      Fluorescent carbon quantum dots (CQDs) are synthesized by laser irradiation of carbon glassy particles suspended in polyethylene glycol 200 by two methods, a batch and a flow jet configuration. The flow jet configuration ...

    • openAccess   Fabrication of gold nanoparticles in Therminol VP-1 by laser ablation and fragmentation with fs pulses 

      Torres-Mendieta, Rafael; Mondragon, Rosa; Juliá Bolívar, José Enrique; Mendoza-Yero, Omel; Cordoncillo, Eloisa; Lancis, Jesús; Mínguez-Vega, Gladys IOP Science (2014-10-22)
      This letter reports on a physical method to produce highly pure, size-controlled and well-dispersed spherical gold nanoparticles (NPs) in Therminol VP-1 by pulsed laser ablation in liquids (PLAL) using a 30 fs Ti:Sapphire ...

    • openAccess   Fabrication of high stable gold nanofluid by pulsed laser ablation in liquids 

      Torres-Mendieta, Rafael; Mondragon, Rosa; Juliá Bolívar, José Enrique; Mendoza-Yero, Omel; Lancis, Jesús; Mínguez-Vega, Gladys Copyright © 2015 VBRI Press (2015-11)
      Laser ablation in liquids by femtosecond radiation has been used to generate gold nanoparticles in a heat transfer fluid to produce a high stable thermal nanofluid as a heat transfer intensification technique. In oil based ...

    • openAccess   Femtosecond laser settings for optimal bracket bonding to zirconia 

      García-Sanz, Verónica; Paredes-Gallardo, Vanessa; Bellot-Arcís, Carlos; Martínez-León, Lluís; Torres-Mendieta, Rafael; Montero, Javier; Albadalejo, Alberto Springer Verlag (2018)
      Bonding orthodontic brackets to ceramic materials is a challenging procedure; femtosecond (FS) laser conditioning could provide improved results, but the ideal settings for effective bracket-zirconia bonding have never ...

    • openAccess   In situ decoration of graphene sheets with gold nanoparticles synthetized by pulsed laser ablation in liquids 

      Torres-Mendieta, Rafael; Ventura Espinosa, David; Sabater López, Sara; Lancis, Jesús; Mínguez-Vega, Gladys; Mata Martínez, Jose A (2016-07)
      The demand for nanocomposites of graphene and carbonaceous materials decorated with metallic nanoparticles is increasing on account of their applications in science and technology. Traditionally, the production of ...

    • openAccess   Laser and electron beam-induced formation of Ag/Cr structures on Ag2CrO4 

      Lemos, Pablo; Silva, G. S.; Roca, R. A.; Assis, Marcelo de; Torres-Mendieta, Rafael; Beltrán Mir, Héctor; Mínguez-Vega, Gladys; Cordoncillo, Eloisa; Andres, Juan; Longo, Elson Royal Society of Chemistry (2019)
      The interactions of silver chromate (Ag2CrO4) with a femtosecond (fs) laser and electron beam irradiations were investigated. For the first time, the growth and coalescence of metallic Ag nanoparticles (NPs) on an Ag2CrO4 ...

    • closedAccess   Laser-induced formation of bismuth nanoparticles 

      Assis, Marcelo de; Cordoncillo, Eloisa; Torres-Mendieta, Rafael; Beltrán Mir, Héctor; Mínguez-Vega, Gladys; Gouveia, Amanda; Leite, Edson; Andres, Juan; Longo, Elson Royal Society of Chemistry (2018)
      In the current communication, the synthesis of metallic Bi nanoparticles with coexisting crystallographic structures (rhombohedral, monoclinic, and cubic) obtained via direct femtosecond laser irradiation of NaBiO3 is ...

    • openAccess   Laser/Electron Irradiation on Indium Phosphide (InP) Semiconductor: Promising Pathways to In Situ Formation of Indium Nanoparticles 

      Assis, Marcelo de; Guerra Macedo, Nadia; Machado, Thales Rafael; Ferrer, Mateus M.; Gouveia, Amanda; Cordoncillo, Eloisa; Torres-Mendieta, Rafael; Beltrán Mir, Héctor; Mínguez-Vega, Gladys; Leite, Edson R.; Sambrano, Julio; Andres, Juan; Longo, Elson Wiley (2018)
      In the current study, whether femtosecond laser and electron beam irradiation of indium phosphide (InP) are “green,” fast, and effective methods to produce metallic In nanoparticles is probed. High-resolution transmission ...

    • openAccess   Synthesis and characterization of gold/water nanofluids suitable for thermal applications produced by femtosecond laser radiation 

      Mondragon, Rosa; Torres-Mendieta, Rafael; Meucci, Marco; Mínguez-Vega, Gladys; Juliá Bolívar, José Enrique; Sani, Elisa Society of Photo-optical Instrumentation Engineers (SPIE) (2016-07)
      A laser-based “green” synthesis of nanoparticles (NPs) was used to manufacture gold NPs in water. The light source is a Ti:Sapphire laser with 30 fs FWHM pulses, 800 nm mean wavelength, and 1 kHz repetition rate. The ...

    • openAccess   Toward Expanding the Optical Response of Ag2CrO4 and Bi2O3 by Their Laser-Mediated Heterojunction 

      Torres-Mendieta, Rafael; Teixeira, Mayara Mondego; Mínguez-Vega, Gladys; de Souza, Daniele; Galvão Gobato, Yara; Assis, Marcelo de; Beltrán Mir, Héctor; Cordoncillo, Eloisa; Andres, Juan; Cernik, Miroslav; Longo, Elson American Chemical Society (2020-11-18)
      The formation of heterojunctions between semiconductors with distinct properties usually expands their capabilities. In this context, many methodologies have been employed in pursuing efficient and fruitful heterojunctions. ...

    • openAccess   Towards the scale-up of the formation of nanoparticles on α -Ag 2 WO 4 with bactericidal properties by femtosecond laser irradiation 

      Assis, Marcelo de; Cordoncillo, Eloisa; Torres-Mendieta, Rafael; Beltrán Mir, Héctor; Mínguez-Vega, Gladys; Oliveira, Regiane; Leite, Edson R.; Foggi, Camila Cristina; Vergani, Carlos; Longo, Elson; Andres, Juan Nature Publishing Group (2018)
      In recent years, complex nanocomposites formed by Ag nanoparticles coupled to an α-Ag2WO4 semiconductor network have emerged as promising bactericides, where the semiconductor attracts bacterial agents and Ag nanoparticles ...