Listar por autoría "970c2d30-5578-476e-96b5-ee765c3583d1"

Mostrando ítems 1-16 de 16

    • openAccess   Analysis of the Pb0.30CaxSryTiO3 ternary system: The effect of Ca2+ and Sr2+ cations on the electrical properties of PbTiO3 

      Gouveia, Amanda; Ribeiro , Lara Kelly; Assis, Marcelo de; Longo, Elson; Andres, Juan; pontes, fenelon Sao Paulo State University. Institute of Chemistry (2022-08-17)
      Powder and thin films of the Pb0.30Ca0.10Sr0.60TiO3 (PCST 30/10/60) and Pb0.30Ca0.60Sr0.10TiO3 (PCST 30/60/10) ternary system were synthetized by the polymeric precursor method and the thin films deposited on the Si/SiO2/Ti/Pt ...

    • openAccess   Antiviral leather: A functional coating based on SiO2-AgNPs to eliminate pathogens 

      Marques, Gleison N.; Reis, Roberta Y.N.; Ribeiro , Lara Kelly; Simões, Luiz G.P.; Minozzi, Daniel; Andres, Juan; Assis, Marcelo de; Mascaro, Lucia; Longo, Elson Elsevier (2023-09-12)
      A bovine leather material functionalized with SiO2-Ag nanoparticles (NPs) composite, which possesses highly efficient antimicrobial activity against the SARS-CoV-2 virus and Staphylococcus aureus (S. aureus) bacteria, has ...

    • openAccess   Bactericidal activity of Ag4V2O7/β-AgVO3 heterostructures against antibiotic-resistant Klebsiella pneumoniae 

      Assis, Marcelo de; Soares da Silva, Jussara; Ottaiano Gonçalves, Mariana; de Almeida Rodolpho, Joice Margareth; Dias de Lima Fragelli, Bruna; Corte, Ana Beatriz Pereira; Ribeiro , Lara Kelly; Daldin Teodoro, Marcio; de Freitas Anibal, Fernanda; de Sousa, Cristina Paiva; Oliveira, Osvaldo N.; Andres, Juan; Longo, Elson Elsevier (2022-10)
      Although Ag-based materials are efficient against antibiotic-resistant bacteria, their high toxicity to living organisms represents a major challenge for obtaining useful products. In this work, we report the bactericidal ...

    • openAccess   Bioactive Ag3PO4/Polypropylene Composites for Inactivation of SARS-CoV?2 and Other Important Public Health Pathogens 

      Ribeiro , Lara Kelly; Assis, Marcelo de; R. Lima, Lais; Coelho, Dyovani; Gonçalves, Mariana O.; Paiva, Robert; Moraes, Leonardo N; Fogaça de Almeida, Lauana; Lipsky, Felipe; San-Miguel, Miguel A.; Mascaro, Lucia; Grotto, Rejane Maria Tommasini; Sousa, Cristina P; Rosa, Ieda; Cruz, Sandra A; Andres, Juan; Longo, Elson American Chemical Society (2021-09-21)
      The current unprecedented coronavirus pandemic (COVID-19) is increasingly demanding advanced materials and new technologies to protect us and inactivate SARS-CoV-2. In this research work, we report the manufacture of Ag3PO4 ...

    • openAccess   Bridging experiment and theory: Morphology, optical, electronic, and magnetic properties of MnWO4 

      Assis, Marcelo de; Tello, Ana C.M.; Abud, Fabio S.A.; Negre, Pablo; Ribeiro , Lara Kelly; Ribeiro, Renan A.P.; Masunaga, Sueli H.; Lima, Aline E.B.; Luz Jr, Geraldo; Jardim, Renato F.; da Silva, Albérico B. F.; Andres, Juan; Longo, Elson Elsevier (2022-10-30)
      Manganese tungstate (MnWO4) compounds have gathered tremendous interest in the research community due to their wide range of applications. Herein, we show a comprehensive experimental, theoretical and computational study ...

    • openAccess   Engineering polycotton fiber surfaces, with an timicrobial activity against S. aureus, E. Coli, C. albicans and SARS-CoV-2 

      Tremiliosi, Guilherme; pagotto simoes, luiz gustavo; Minozzi, Daniel; Santos, Renato; Vilela, Daiane C. B.; Durigon, Edison; Machado, Rafael R. G.; Sales-Medina, Douglas Ferreira; Banari, Alexandre C.; Ribeiro , Lara Kelly; Rosa, Ieda; Assis, Marcelo de; Andres, Juan; Freitas-Junior, Lucio ScieniQ Publishers (2020-12-20)
      Pathogenic microorganisms are becoming a potential threat to the health of human beings and the environment worldwide. In this present study, we have developed a polycotton fiber, in which by incorporation and functionalization ...

    • openAccess   Introducing Structural Diversity: Fe-2(MoO4)(3) Immobilized in Chitosan Films as an Efficient Catalyst for the Selective Oxidation of Sulfides to Sulfones 

      Ordonho Líbero, Laura; Ribeiro, Lara Kelly; Granone, Luis Ignacio; Churio, Maria Sandra; Souza, Josiane C.; Mastelaro, Valmor Roberto; Andres, Juan; Longo, Elson; Mascaro, Lucia Wiley (2023-03-27)
      This work reports how the immobilization of Fe2(MoO4)3 in chitosan films affects the oxidation reaction of sulfide derivatives to sulfates in the dark, resulting in good yields and excellent selectivity. As demonstrated, ...

    • openAccess   Luminescence and structural properties of Ca1-xZrO3:Eux: An experimental and theoretical approach 

      Assis, Marcelo de; Carvalho de Oliveira, Marisa; Gouveia, Amanda; Ribeiro , Lara Kelly; Rosa, Ieda; Ribeiro, Renan; Andres, Juan; Longo, Elson Sao Paulo State University. Institute of Chemistry (2022-04-11)
      The influence of Eu3+ cations in the host matrix of CaZrO3 was investigated by analyzing its luminescence and structural properties. The Ca1-xZrO3:Eux crystals (x = 0.01, 0.02, 0.04, and 0.08 mol%) were obtained by a simple ...

    • openAccess   Photoluminescence emissions of Ca1−xWO4:xEu3+: Bridging between experiment and DFT calculations 

      Gouveia, Amanda; Assis, Marcelo de; Ribeiro , Lara Kelly; Brandão Lima, Aline Estefany; de Oliveira Gomes, Eduardo; Souza, Daniele; Galvão Gobato, Yara; Rosa, Ieda; Luz Jr, Geraldo; Guillamón, Eva; Longo, Elson; Andres, Juan; San-Miguel, Miguel A. Elsevier (2022-10-15)
      In this work, the impact of the doping process on the photoluminescence emission of CaWO4 as a function of the concentration of Eu3+ cation (0.01 mol%, 0.02 mol%, 0.04 mol%, 0.06 mol%, 0.08 mol%, and 0.10 mol%) is discussed ...

    • openAccess   Polypropylene Modified with Ag-Based Semiconductors as a Potential Material against SARS-CoV-2 and Other Pathogens 

      Assis, Marcelo de; Ribeiro , Lara Kelly; Gonçalves, Mariana O.; Staffa, Lucas Henrique; Paiva, Robert S.; R. Lima, Lais; Coelho, Dyovani; Almeida, Lauana F.; Moraes, Leonardo N; Rosa, Ieda L. V.; Mascaro, Lucia; Grotto, Rejane M. T.; Sousa, Cristina P; Andres, Juan; Longo, Elson; Cruz, Sandra A American Chemical Society (2022-10-14)
      The worldwide outbreak of the coronavirus pandemic (COVID-19) and other emerging infections are difficult and sometimes impossible to treat, making them one of the major public health problems of our time. It is noteworthy ...

    • openAccess   PVC-SiO2-Ag composite as a powerful biocide and anti-SARS-CoV-2 material 

      Assis, Marcelo de; Simoes, Luiz Gustavo P.; Tremiliosi, Guilherme; Ribeiro , Lara Kelly; Coelho, Dyovani; Minozzi, Daniel; Santos, Renato; Vilela, Daiane C. B.; Mascaro, Lucia; Andres, Juan; Longo, Elson Springer (2021-08-31)
      The ongoing COVID-19 pandemic has pushed scientists and technologists to find novel strategies to develop new materials to prevent the transmission, spread, and entry of pathogens into the human body. In this report, the ...

    • openAccess   SiO2-Ag Composite as a Highly Virucidal Material: A Roadmap that Rapidly Eliminates SARS-CoV-2 

      Assis, Marcelo de; pagotto simoes, luiz gustavo; Tremiliosi, Guilherme; Coelho, Dyovani; Minozzi, Daniel; Santos, Renato; Vilela, Daiane C. B.; Rodrigues do Santos, Jeziel; Ribeiro , Lara Kelly; Rosa, Ieda; Mascaro, Lucia; Andres, Juan; Longo, Elson MDPI (2021-03-04)
      COVID-19, as the cause of a global pandemic, has resulted in lockdowns all over the world since early 2020. Both theoretical and experimental efforts are being made to find an effective treatment to suppress the virus, ...

    • openAccess   Surfactant effects in the morphology and the photocatalytic activity of the BaMoO4 crystals 

      Gouveia, Amanda; Bellucci, Gustavo Venancio; Ribeiro , Lara Kelly; Assis, Marcelo de; Rosa, Ieda; Longo, Elson; Andres, Juan; San-Miguel, Miguel A. Sao Paulo State University. Institute of Chemistry (2022-04-11)
      This paper discloses the effect of the surfactant sodium dodecyl sulfate (SDS) in the morphology and the photocatalytic activity of BaMoO4 crystals. Experimental techniques were applied to study the order-disorder degree ...

    • openAccess   Towards an efficient selective oxidation of sulfides to sulfones by NiWO4 and α-Ag2WO4 

      Assis, Marcelo de; Gouveia, Amanda; Ribeiro, Lara Kelly; Ponce, Miguel Adolfo; Churio, Maria Sandra; Oliveira, Osvaldo N.; Mascaro, Lucia; Longo, Elson; Llusar, Rosa; Guillamón, Eva; Andres, Juan Elsevier (2023-02-25)
      Chemoselective oxidation of sulfides to sulfones under mild conditions is relevant for industry, but challenging owing to the need to establish catalysis mechanisms and optimize several experimental parameters. Herein, we ...

    • openAccess   Tug-of-War Driven by the Structure of Carboxylic Acids: Tuning the Size, Morphology, and Photocatalytic Activity of α-Ag2WO4 

      Ribeiro , Lara Kelly; Gouveia, Amanda; das Chagas da Silva Machado, Francisco; Guimarães Nolêto, Luis Fernando; Assis, Marcelo de; Batista, André; Cavalcante, Laécio Santos; Guillamón, Eva; Rosa, Ieda; Longo, Elson; Andres, Juan; Luz Jr, Geraldo MDPI (2022-09-23)
      Size and morphology control during the synthesis of materials requires a molecular-level understanding of how the addition of surface ligands regulates nucleation and growth. In this work, this control is achieved by ...

    • openAccess   Tuning the morphology to enhance the catalytic activity of α-Ag2WO4 through V-doping 

      Lima Patrocinio, Katiana; Santos, Jeziel Rodrigues; Granone, Luis Ignacio; Ponce, Miguel Adolfo; Churio, Maria Sandra; Ribeiro, Lara Kelly; Daldin Teodoro, Marcio; Llusar, Rosa; Andres, Juan; Longo, Elson; Assis, Marcelo de Royal Society of Chemistry (2023-09-30)
      Here, we present the synthesis of a highly efficient V-doped α-Ag2WO4 catalyst for the oxidation of sulfides to sulfones, exhibiting a high degree of tolerance towards various sensitive functional groups. Remarkably, the ...