Listar por autoría "1ed1ac7a-8de3-4127-89ad-ffea0bd06382"

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 ...

    • openAccess   Experimental and theoretical approach of nanocrystalline TiO2 with antifungal activity 

      Longo, V. M.; Picon, Francini C.; Zamperini, Camila; Albuquerque, Anderson R.; Sambrano, Julio; Vergani, Carlos; Machado Maciel, Ana Lúcia; Andres, Juan; Hernandes, Antônio C.; Varela, José A.; Longo, Elson Elsevier (2013-07-09)
      Using a solvothermal method for this research we synthesized nanocrystalline titanium dioxide (nc-TiO2) anatase particles with a mean diameter of 5.4 nm and evaluated their potential antifungal effect against planktonic ...

    • openAccess   From Complex Inorganic Oxides to Ag–Bi Nanoalloy: Synthesis by Femtosecond Laser Irradiation 

      Machado, Thales Rafael; Guerra Macedo, Nadia; Assis, Marcelo de; Doñate-Buendía, Carlos; Mínguez-Vega, Gladys; Teixeira, Mayara Mondego; Foggi, Camila Cristina; Vergani, Carlos; Beltrán Mir, Héctor; Andres, Juan; Cordoncillo, Eloisa; Longo, Elson American Chemical Society (2018-08-24)
      Bimetallic nanoalloys with a wide variety of structures and compositions have been fabricated through many diverse techniques. Generally, various steps and chemicals are involved in their fabrication. In this study, the ...

    • openAccess   Increasing the photocatalytic and fungicide activities of Ag3PO4 microcrystals under visible-light irradiation 

      Portela Oliveira, Lucas; Foggi, Camila Cristina; Alves da Silva Pimentel, Bruna Natalia; Assis, Marcelo de; Andres, Juan; Longo, Elson; Vergani, Carlos Elsevier (2021-05-03)
      The present study reports for the first time the performance of silver phosphate (Ag3PO4) microcrystals as photocatalyst (degradation of Rodamine B-RhB) and antifungal agent (against Candida albicans–C. albicans) under ...

    • closedAccess   Mechanism of Antibacterial Activity via Morphology Change of α-AgVO3: Theoretical and Experimental Insights 

      Oliveira, Regiane; Foggi, Camila Cristina; Teixeira, Mayara Mondego; Penha da Silva, Maya Dayana; Assis, Marcelo de; Francisco, Eric Mark; Alves da Silva Pimentel, Bruna Natalia; Pereira, Paula; Vergani, Carlos; Machado Maciel, Ana Lúcia; Andres, Juan; Gracia, Lourdes; Longo, Elson American Chemical Society (2017)
      The electronic configuration, morphology, optical features, and antibacterial activity of metastable α-AgVO3 crystals have been discussed by a conciliation and association of the results acquired by experimental procedures ...

    • closedAccess   Potentiated Electron Transference in a-Ag2WO4 Microcrystals with Ag Nanofilaments as Microbial Agent 

      Longo, V. M.; Foggi, Camila Cristina; Ferrer, Mateus M.; Gouveia, Amanda; André, Rafaela S.; Avansi, Waldir; Vergani, Carlos; Machado Maciel, Ana Lúcia; Andres, Juan; Cavalcante, Laécio Santos; Hernandes, Antônio C.; Longo, Elson American Chemical Society (2014-02)
      This study is a framework proposal for understanding the antimicrobacterial effect of both α-Ag2WO4 microcrystals (AWO) synthesized using a microwave hydrothermal (MH) method and α-Ag2WO4 microcrystals with Ag metallic ...

    • openAccess   Selective Synthesis of α-, β-, and γ-Ag2WO4 Polymorphs: Promising Platforms for Photocatalytic and Antibacterial Materials 

      Alvarez Roca, Roman; Gouveia, Amanda; Foggi, Camila Cristina; Santana Lemos, Pablo; Gracia, Lourdes; da Silva, Luís; Vergani, Carlos; San-Miguel, Miguel A.; Longo, Elson; Andres, Juan American Chemical Society (2021-01-18)
      Silver tungstate (Ag2WO4) shows structural polymorphism with different crystalline phases, namely, orthorhombic, hexagonal, and cubic structures that are commonly known as α, β, and γ, respectively. In this work, these ...

    • closedAccess   Surface-dependent photocatalytic and biological activities of Ag2CrO4: Integration of experiment and simulation 

      Assis, Marcelo de; Foggi, Camila Cristina; Teodoro , Vinícius; De Campos da Costa, Joao Paulo; Silva, Carlos Eduardo; Robeldo, Thaiane; Caperucci, Priscila Fernanda; Vergani, Carlos; Borra, Ricardo Carneiro; Sorribes, Iván; Gouveia, Amanda; San-Miguel, Miguel A.; Andres, Juan; Longo, Elson Elsevier (2021-04-15)
      In this work, we present a joint experimental and theoretical study towards unveiling the photocatalytic (photodegradation of Rhodamine B), the antifungal (towards Candida glabrata) and cytotoxicity (against the L929 cell ...

    • closedAccess   Synthesis and evaluation of α-Ag2WO4 as novel antifungal agent 

      Foggi, Camila Cristina; Fabbro, Maria T.; Santos, Luís P. S.; De Santana, Yuri V. B.; Vergani, Carlos; Machado Maciel, Ana Lúcia; Cordoncillo, Eloisa; Andres, Juan; Longo, Elson Elsevier (2017-04-16)
      Abstract Because of the need for new antifungal materials with greater potency, microcrystals of α-Ag2WO4, a complex metal oxide, have been synthetized by a simple co-precipitation method, and their antifungal activity ...

    • closedAccess   Synthesis, antifungal evaluation and optical properties of silver molybdate microcrystals in different solvents: a combined experimental and theoretical study 

      Fabbro, Maria T.; Foggi, Camila Cristina; Santos, Luís P. S.; Gracia, Lourdes; Perrin, André; Perrin, Christiane; Vergani, Carlos; Machado Maciel, Ana Lúcia; Andres, Juan; Cordoncillo, Eloisa; Longo, Elson Royal Society of Chemistry (2016)
      In this study, we investigate the structure, antifungal activity, and optical properties of β-Ag2MoO4 using experimental and theoretical approaches. β-Ag2MoO4 samples were prepared by a co-precipitation method using ...

    • 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 ...

    • closedAccess   Tuning the Morphological, Optical, and Antimicrobial Properties of α-Ag2WO4 Microcrystals Using Different Solvents 

      Foggi, Camila Cristina; Oliveira, Regiane; Fabbro, Maria T.; Vergani, Carlos; Andres, Juan; Longo, Elson; Machado Maciel, Ana Lúcia (2017)
      New, effective antimicrobial agents are constantly being evaluated for addressing the increased prevalence of bacterial and fungal infections and emerging drug resistance. In this study, α- Ag2WO4 microcrystals were prepared ...

    • openAccess   Unvealing the role of β-Ag2MoO4 microcrystals to the improvement of antibacterial activity 

      Foggi, Camila Cristina; De Oliveira, Regiane Cristina; Assis, Marcelo de; Maria Tereza, Fabbro; Mastelaro, Valmor Roberto; Vergani, Carlos; Gracia, Lourdes; Andres, Juan; Longo, Elson; Machado Maciel, Ana Lúcia Elsevier (2020)
      Crystal morphology with different surfaces is important for improving the antibacterial activity of materials. In this experimental and theoretical study, the antibacterial activity of β-Ag2MoO4 microcrystals against the ...