Search Results - "Chagas, Poliane"

Synthesis of a highly active Nb2O5 for 1,2-cyclohexanediol production by Bruziquesi, Carlos G.O., Filho, José B.G., Victoria, Henrique F.V., Krambrock, Klaus, Mansur, Herman S., Mansur, Alexandra A.P., Chagas, Poliane, Silva, Adilson C., Oliveira, Luiz C.A.

“…A commercial niobium oxide was used to form a gelled material, which was lyophilized producing a novel polyoxoniobate catalyst (L-AmNbO) containing peroxo…”
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Mesoporous Niobium Oxyhydroxide Catalysts for Cyclohexene Epoxidation Reactions by Padula, Izabela, Chagas, Poliane, Furst, Carolina, Oliveira, Luiz

“…Two classes of well-defined and widely studied porous materials are the microporous zeolites [1] and the mesoporous silicates known as Mobil Composition of…”
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O-carboxymethyl functionalization of chitosan: Complexation and adsorption of Cd (II) and Cr (VI) as heavy metal pollutant ions by Medeiros Borsagli, Fernanda G.L., Mansur, Alexandra A.P., Chagas, Poliane, Oliveira, Luiz C.A., Mansur, Herman S.

“…Chitosan (CHI) is a biopolymer that can be used on complexation and adsorption of heavy metals in water. Chitosan can be chemically functionalized to modulate…”
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Bioengineered carboxymethyl cellulose-doxorubicin prodrug hydrogels for topical chemotherapy of melanoma skin cancer by Capanema, Nádia S.V., Mansur, Alexandra A.P., Carvalho, Sandhra M., Carvalho, Isadora C., Chagas, Poliane, de Oliveira, Luiz Carlos A., Mansur, Herman S.

“…[Display omitted] •Carboxymethyl cellulose-doxorubicin bioconjugates (CMC-DOX) were synthesized.•CMC-DOX polymer-drug hydrogels were synthesized by…”
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An unprecedented hybrid polyoxometalate based on niobium oligomers: A notable application as redox supercapacitor electrode by Lavall, Rodrigo L., de Oliveira, Pedro S.C., Ortega, Paulo F.R., Trigueiro, João P.C., Gabriel, José B., Heitmann, Ana P., Chagas, Poliane, Oliveira, Cinthia C., Oliveira, Luiz C.A.

“…•An unprecedented polyoxoniobate oligomer was obtained forming a blue nanogel.•The blue-PONb has exceptional electrochemical performance.•The blue-PONb has a…”
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Oxidation of Thioanisole Using Niobium–Silica Catalysts: Theoretical and Experimental Studies by Fajardo, Humberto V., Taylor, Jason G., Teixeira, Moisés P., Chagas, Poliane, Oliveira, Luiz C. A., Gonçalves, Matheus A., Ramalho, Teodorico C., Silva, Adilson C.

“…Catalysts containing supported metal oxides are very versatile materials used in liquid phase oxidation reactions. The present study aimed to determine the…”
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New Niobate Based Catalyst for Organic Dye Oxidation: A Mechanistic Approach by Bruziquesi, Carlos Giovani O., Filho, José Balena G., Mansur, Herman S., Chagas, Poliane, Mansur, Alexandra A. P., Oliveira, Luiz Carlos A., Silva, Adilson C.

“…In this work, we aimed to demonstrate new polyoxoniobate containing surface peroxo groups obtained after the treatment of niobic acid with hydrogen peroxide…”
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Eco-friendly and biocompatible cross-linked carboxymethylcellulose hydrogels as adsorbents for the removal of organic dye pollutants for environmental applications by Capanema, Nádia S. V., Mansur, Alexandra A. P., Mansur, Herman S., de Jesus, Anderson C., Carvalho, Sandhra M., Chagas, Poliane, de Oliveira, Luiz C.

“…In this study, new eco-friendly hydrogel adsorbents were synthesized based on carboxymethylcellulose (CMC, degree of substitution [DS] = 0.7) chemically…”
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Metal-free bifunctional silica for conversion of waste glycerol from biodiesel: Sustainable production of formic acid by Chagas, Poliane, Thibau, Mariana A., Breder, Samuel, Souza, Patterson P., Caldeira, Gabriela S., Portilho, Marcio F., Castro, Cinthia S., Oliveira, Luiz C.A.

“…•A sustainable route for the production of formic acid from residual glycerol.•A synthetic SiO2 with distinct behavior can be used directly as catalyst.•The…”
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Theoretical and X‐Ray Evidence of Electrostatic Phosphonium anti and gauche Effects by Martins, Francisco A., Chagas, Poliane, Thomasi, Sérgio S., Oliveira, Luiz C. A., Diniz, Renata, Freitas, Matheus P.

“…Sulphur, not phosphorus, is the only known third‐row element capable of experiencing an electrostatic gauche effect with fluorine. Some six‐membered rings…”
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Synthesis and in vitro assessment of anticancer hydrogels composed by carboxymethylcellulose-doxorubicin as potential transdermal delivery systems for treatment of skin cancer by Carvalho, Sandhra M., Mansur, Alexandra A.P., Capanema, Nádia S.V., Carvalho, Isadora C., Chagas, Poliane, de Oliveira, Luiz Carlos A., Mansur, Herman S.

“…Malignant melanoma is the most lethal form of skin cancer in humans which is difficult to treat by conventional surgery and chemotherapeutics. Despite…”
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Waste glycerol conversion on pilot scale continuous process by Al-modified mesoporous SiO2 catalysts by Chagas, Poliane, Oliveira, Cinthia C., Leitão, Alexandre A., Lima, Larissa L., Portilho, Márcio F., Oliveira, Luiz C.A.

“…This work describes the conversion of the waste glycerol (as generated in the biodiesel industry, supplied by Petrobras) to valuable chemicals (such as formic…”
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Carbon/FexOy magnetic composites obtained from PET and red mud residues: paracetamol and dye oxidation by Sousa, Leonardo S., Chagas, Poliane, Oliveira, Luiz Carlos Alves de, Castro, Cinthia Soares de

“…Composite materials from PET and red mud (RM) wastes were used as catalysts for environmental application such as the wastewater treatment. The PET-RM…”
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Carbon/Fe x O y magnetic composites obtained from PET and red mud residues: paracetamol and dye oxidation by Sousa, Leonardo S, Chagas, Poliane, Oliveira, Luiz Carlos Alves de, Castro, Cinthia Soares de

“…Composite materials from PET and red mud (RM) wastes were used as catalysts for environmental application such as the wastewater treatment. The PET-RM…”
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Amphiphilic property of niobium oxyhydroxide for waste glycerol conversion to produce solketal by Souza, Talita E., Padula, Izabela D., Teodoro, Mariana M.G., Chagas, Poliane, Resende, Jarbas M., Souza, Patterson P., Oliveira, Luiz C.A.

“…•Amphiphilic catalysts were synthesized using NbCl5 in the presence of the cetyltrimethylammonium bromide.•The mass spectrometry showed that solketal was…”
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A novel hydrofobic niobium oxyhydroxide as catalyst: Selective cyclohexene oxidation to epoxide by Chagas, Poliane, Oliveira, Henrique S., Mambrini, Raquel, Le Hyaric, Mireille, de Almeida, Mauro V., Oliveira, Luiz C.A.

“…[Display omitted] ► It was produced a modified niobia with high catalytic capacity for cyclohexene oxidation using hydrogen peroxide. ► Niobium oxyhydroxide…”
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Performance of different oxidants in the presence of oxisol: Remediation of groundwater contaminated by gasoline/ethanol blend by Andrade, Luiza N., Araujo, Sandrine F., Matos, Antônio T., Henriques, Andreia B., Oliveira, Luiz C., Souza, Patterson P., Chagas, Poliane, Leão, Mônica M.D., Amorim, Camila C.

“…[Display omitted] •ISCO was tested with Na2S2O8, K2S2O8, CaO2 and H2O2 catalyzed by iron in oxisol.•Ethanol-blended gasoline intensifies the hazards due to…”
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Iron ore tailings as catalysts for oxidation of the drug paracetamol and dyes by heterogeneous Fenton by Augusto, Thiago de Melo, Chagas, Poliane, Sangiorge, Daniel Lara, Mac Leod, Tatiana Cristina de Oliveira, Oliveira, Luiz C.A., Castro, Cínthia Soares de

“…[Display omitted] •New composite material based on iron ore tailings (R) - PET bottles residue.•R thermal reduction with CH4: increased activity for drug and…”
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δ-FeOOH: a superparamagnetic material for controlled heat release under AC magnetic field by Chagas, Poliane, da Silva, Adilson Cândido, Passamani, Edson Caetano, Ardisson, José Domingos, de Oliveira, Luiz Carlos Alves, Fabris, José Domingos, Paniago, Roberto M., Monteiro, Douglas Santos, Pereira, Márcio César

“…Experimental evidences on its in vitro use reveal that δ-FeOOH is a material that release-controlled amount of heat if placed under an AC magnetic field…”
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First steps on comprehensive understanding of biosafety and toxicity of natural extract from Calotropis procera seeds, new insights towards sustainability by Souza, Ana Júlia M., Lima, Cristiane T., Gonçalves, Max P., Souza, Patrícia N. da C, Santana, Silas S., Carvalho, Sandhra M., França, Andressa, Chagas, Poliane, Esmeraldo Paiva, Aislan, Frank Baez Vasquez, Jhonattan, Morris, Michael, Medeiros Borsagli, Fernanda G.L.

“…•New insights of colloidal materials from Calotropis procera seeds.•Different routes of extraction indicating diverse physicochemical properties.•Difference in…”
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