Search Results - "Freschi, Gian P.G"

Photocatalytic degradation of Prozac® mediated by TiO2 nanoparticles obtained via three synthesis methods: sonochemical, microwave hydrothermal, and polymeric precursor by Moreira, Ailton J., Campos, Lilian O., Maldi, Caroline P., Dias, Jeferson A., Paris, Elaine C., Giraldi, Tania R., Freschi, Gian P. G.

“…Three different synthesis methods were applied to obtain TiO 2 nanoparticles: microwave-assisted hydrothermal (TiO 2 -MW), sonochemical (TiO 2 -US), and…”
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Simultaneous determination of cadmium and lead in wine by electrothermal atomic absorption spectrometry by Freschi, Gian P.G, Dakuzaku, Carolina S, de Moraes, Mercedes, Nóbrega, Joaquim A, Gomes Neto, José A

“…A method has been developed for the direct simultaneous determination of Cd and Pb in white and red wine by electrothermal atomic absorption spectrometry…”
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Evaluation of atrazine degradation applied to different energy systems by Moreira, Ailton J., Pinheiro, Bianca S., Araújo, André F., Freschi, Gian P. G.

“…Atrazine is an herbicide widely used in crops and has drawn attention due to potential pollution present in soil, sediment, water, and food. Since conventional…”
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Evaluation of a graphitic porous carbon modified with iron oxides for atrazine environmental remediation in water by adsorption by de Oliveira, Cristiane, Renda, Carmem G., Moreira, Ailton J., Pereira, Otávio A.P., Pereira, Ernesto C., Freschi, Gian P.G., Bertholdo, Roberto

“…In the last decades, the growth of world agricultural activity has significantly contributed to the increased presence of emerging pollutants such as atrazine…”
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Hierarchical structure of 3D ZnO experimentally designed to achieve high performance in the sertraline photocatalysis in natural waters by Silva, Thalles E.M., Moreira, Ailton J., Nobrega, Eryka T.D., Alencar, Ridien G., Rabello, Pietra T., Blaskievicz, Sirlon F., Marques, Gleison N., Mascaro, Lucia H., Paris, Elaine C., Lemos, Sherlan G., Pereira, Ernesto C., Freschi, Gian P.G.

“…•Simple, fast and efficient methodology to produce 3D ZnO hierarchical structures.•High-control synthetic system to produce photoactive 3D ZnO.•3D ZnO with…”
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Phase control and optimization of photocatalytical properties of samarium doped TiO2 synthesized by coupled ultraviolet and microwave radiations by Moreira, Ailton J., Coelho, Dyovani, Dias, Jeferson A., Mascaro, Lucia H., Freschi, Gian P.G., Mastelaro, Valmor R., Pereira, Ernesto C.

“…•Synergistic effect of microwave, ultraviolet and visible energies.•Easy, fast, efficient, and fine-tuning synthesis method.•Decrease in recombination…”
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Prozac® photodegradation mediated by Mn-doped TiO2 nanoparticles: Evaluation of by-products and mechanisms proposal by Moreira, Ailton J., Malafatti, João O.D., Giraldi, Tania R., Paris, Elaine C., Pereira, Ernesto C., de Mendonça, Vagner Romito, Mastelaro, Valmor Roberto, Freschi, Gian P.G.

“…[Display omitted] TiO2 nanoparticles were efficiently doped with Mn applying microwave-assisted synthesis method. Anatase phase was confirmed by XRD pattern,…”
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Anatase-rutile-brookite: Structural and photocatalytic properties of TiO2 modified with different boron concentrations by Moreira, Ailton.J., de Araújo, Kelvin C., Marques, Gleison N., Nobrega, Eryka T.D., Santos, Hugo L.S., Mascaro, Lucia H., Onofre, Yina J., Galeti, Helder V.A., Gobato, Yara Galvão, Mastelaro, Valmor R., Freschi, Gian P.G., Godoy, Marcio P.F., Pereira, Ernesto C.

“…•Increasing anatase-brookite concentration with added boron in TiO2.•High boron-doped TiO2 photocatalytic performance.•O2•− > h+ > HO•, a synergistic effect of…”
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The process of atrazine degradation, its mechanism, and the formation of metabolites using UV and UV/MW photolysis by Moreira, Ailton. J., Borges, Aline C., Gouvea, Luis F.C., MacLeod, Tatiana C.O., Freschi, Gian P.G.

“…[Display omitted] •Degradation mechanism process and metabolites/products using different energies.•Photolytic oxidation of atrazine was studied using…”
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UV–Vis spectrophotometry coupled to chemometric analysis for the performance evaluation of atrazine photolysis and photocatalysis by Moreira, Ailton J., Lemos, Sherlan G., Coelho, Dyovani, Mascaro, Lucia H., Freschi, Gian P. G., Pereira, Ernesto C.

“…   In this study, a spectrophotometric-chemometric (Spec-Chem) approach was applied as an alternative to chromatography to monitor ATZ and by-products after…”
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Prozac® removal promoted by HAP:Nb2O5 nanoparticles system: by‐products, mechanism, and cytotoxicity assessment by Malafatti, João O.D., Moreira, Ailton J., Sciena, Camila R., Silva, Thales E.M., Freschi, Gian P.G., Pereira, Ernesto C., Paris, Elaine C.

“…The elucidation of photocatalysis and adsorption mechanisms in the pollutant removal, as well as the efficiency for each process, provide key information for…”
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Photoactivity of boron-or nitrogen-modified TiO2 for organic pollutants degradation: Unveiling the photocatalytic mechanisms and by-products by Moreira, Ailton.J., dos Santos, Barbara R.M., Dias, Jeferson A., Rabello, Pietra T., Coelho, Dyovani, Mascaro, Lucia H., Freschi, Gian P.G., Gobato, Yara G., Galeti, Helder V.A., Mastelaro, Valmor R., Pereira, Ernesto Chaves

“…The degradation of fluoxetine (FLX) emerging pollutant and the formation of by-products, potentially present in environmental ecosystems, was investigated from…”
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Photodegradation of Fluoxetine Applying Different Photolytic Reactors: Evaluation of the Process Efficiency and Mechanism by Moreira, Ailton, Borges, Aline, de Sousa, Bianca, de Mendonça, Vagner, Freschi, Carolina, Freschi, Gian

“…Photolytic degradation of fluoxetine (FLX), a medicine commonly known as Prozac®, was evaluated by using different photochemical processes. The…”
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Effect of synthesis methods of Co-modified TiO2 in its photocatalytic and bactericidal activity by Moreira, Ailton J., Blaskievicz, Sirlon F., de Assis, Marcelo, Marques, Gleison N., Menezes, Wallas T., Rabello, Pietra T., Rabahi, Cesar, Gobato, Yara G., Freschi, Gian P. G., Mascaro, Lucia H., Pereira, Ernesto C.

“…It is well-known that a given material’s synthesis method can change its catalytic properties. In this work, we demonstrated that Co-modified TiO 2 (TiCo)…”
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Photoactivity of TiO2 nanoparticles covered with nitro group in Fluoxetine and Rhodamine-B degradation by Moreira, Ailton J., Padilha, Shena R.R., de Mendonça, Vagner R., Paris, Elaine C., Ribeiro, Caue, Freschi, Gian P.G., Giraldi, Tania R.

“…TiO2 nanoparticles and TiO2 covered with nitro groups were prepared. Nanoparticles with diameters of 15–25 nm were obtained, consisting 100% of the anatase…”
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Evaluation of atrazine degradation applied to different energy systems by Moreira, Ailton J., Pinheiro, Bianca S., Araújo, André F., Freschi, Gian P. G.

“…Atrazine is an herbicide widely used in crops and has drawn attention due to potential pollution present in soil, sediment, water, and food. Since conventional…”
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