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Ara mostrant els elements 1-10 d 10
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alpha-Ag2-2xZnxWO4 (0 <= x <= 0.25) Solid Solutions: Structure, Morphology, and Optical Properties
Pereira, Paula; Santos, Clayane C.; Gouveia, Amanda; Ferrer, Mateus M.; Pinatti, Ivo M; Botelho, Gleice; Sambrano, Julio; Rosa, Ieda; Andres, Juan; Longo, Elson American Chemical Society (2017-06)A theoretical study was elaborated to support the experimental results of the Zn-doped α-Ag2WO4. Theses α-Ag2–2xZnxWO4 (0 ≤ x ≤ 0.25) solid solutions were obtained by coprecipitation method. X-ray diffraction data indicated ... -
Disclosing the Biocide Activity of α-Ag2−2xCuxWO4 (0 ≤ x ≤ 0.16) Solid Solutions
Llusar, Rosa; Andres, Juan; Gouveia, Amanda; Guillamón, Eva; Sorribes, Iván; Pereira, Paula; Foggi, Camila Cristina; Pinatti, Ivo M; Cabral, Luís; San-Miguel, Miguel A.; Vergani, Carlos; Simões, Alexandre; Silva, Edison; Cavalcante, Laécio Santos; Longo, Elson MDPI (2022-09-11)n this work, α-Ag2−2xCuxWO4 (0 ≤ x ≤ 0.16) solid solutions with enhanced antibacterial (against methicillin-resistant Staphylococcus aureus) and antifungal (against Candida albicans) activities are reported. A plethora of ... -
Inactivation of SARS-CoV-2 by a chitosan/α-Ag2WO4 composite generated by femtosecond laser irradiation
Pereira, Paula; de Paula e Silva, Ana Carolina Alves; Alves da Silva Pimentel, Bruna Natália; Pinatti, Ivo M; Simões, Alexandre; Vergani, Carlos; Barreto-Vieira, Debora Ferreira; da Silva, Marcos Alexandre Nunes; Dias Miranda, Milene; Santos Monteiro, Maria Eduarda; Tucci, Amanda Resende; Doñate-Buendía, Carlos; Mínguez-Vega, Gladys; Andres, Juan; Longo, Elson Nature Research (2022)In the current COVID‑19 pandemic, the next generation of innovative materials with enhanced anti‑ SARS‑CoV‑2 activity is urgently needed to prevent the spread of this virus within the community. Herein, we report the ... -
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 ... -
Proof-of-Concept Studies Directed toward the Formation of Metallic Ag Nanostructures from Ag3PO4 Induced by Electron Beam and Femtosecond Laser
Carvalho dos Santos, Clayane; Assis, Marcelo de; Machado, Thales Rafael; Pereira, Paula; Mínguez-Vega, Gladys; Cordoncillo, Eloisa; Beltrán Mir, Héctor; Doñate-Buendía, Carlos; Andres, Juan; Longo, Elson Wiley (2019)In this work, for the first time, the instantaneous nucleation and growth processes of Ag nanoparticles on Ag3PO4 mediated by femtosecond laser pulses are reported and analyzed. The investigated samples are pure Ag3PO4sample, ... -
Structure, Photoluminescence Emissions, and Photocatalytic Activity of Ag2SeO3: A Joint Experimental and Theoretical Investigation
Pinatti, Ivo M; Barrios Trench, Aline; Mora Tello, Ana Cristina; Pereira, Paula; Souza, Josiane C.; Teodoro, Marcio D.; Rosa, Ieda; Andres, Juan; Longo, Elson; Simoes, Alexandre Z. American Chemical Society (2021-04-19)In this paper, we report the synthesis of silver selenite (Ag2SeO3) by different methods [sonochemistry, ultrasonic probe, coprecipitation, and microwave-assisted hydrothermal methods]. These microcrystals presented a ... -
Tailoring Bi2MoO6 by Eu3+ incorporation for enhanced photoluminescence emissions
Pinatti, Ivo M; Pires, Fabio; Almeida, Priscila B.; Pereira, Paula; Daldin Teodoro, Marcio; Guillamón, Eva; Simões, Alexandre; Andres, Juan; Longo, Elson; Rosa, Ieda Elsevier (2021-12-13)Here, an experimental study is presented on the structural, electronic, and optical properties of Bi2-xMoO6:xEu3+ (x = 0, 0.5, 1.0, 2.0, and 4.0 mol%) materials, synthesized by means of the microwave-assisted solvothermal ... -
Towards a relationship between photoluminescence emissions and photocatalytic activity of Ag2SeO4: combining experimental data and theoretical insights
Pinatti, Ivo M; Mora Tello, Ana Cristina; Pereira, Paula; Barrios Trench, Aline; Daldin Teodoro, Marcio; Rosa, Ieda; da Silva, Albérico B. F.; Longo, Elson; Andres, Juan; Simões, Alexandre The Royal Society of Chemistry (2022-07-01)A systematic theoretical and experimental study was carried out to find a relationship between photoluminescence emissions and photocatalytic activity of Ag2SeO4 obtained by different synthesis methods (sonochemistry, ... -
Zinc-substituted Ag2CrO4: A material with enhanced photocatalytic and biological activity
Pinatti, Ivo M; Mora Tello, Ana Cristina; Barrios Trench, Aline; Foggi, Camila Cristina; Pereira, Paula; Teixeira, Mayara Mondego; jacomaci, natalia; Andres, Juan; Longo, Elson Elsevier (2020-05-01)In the past years, new environmentally-friendly photocatalysts have been reported, but the realization of efficient visible-light driven photocatalyst with highly active bactericidal and fungicidal activity is still ... -
ZnWO4 nanocrystals: synthesis, morphology, photoluminescence and photocatalytic properties
Pereira, Paula; Gouveia, Amanda; Assis, Marcelo de; Oliveira, Regiane; Pinatti, Ivo M; Penha, M.; Gonçalves, R. F.; Gracia, Lourdes; Andres, Juan; Longo, Elson Royal Society of Chemistry (2018)The present joint experimental and theoretical work provides in-depth understanding on the morphology and structural, electronic, and optical properties of ZnWO4 nanocrystals. Monoclinic ZnWO4 nanocrystals were prepared ...