Search Results - "Villetti, Marcos A"

Synergic effects of ultrasound and ionic liquids on fluconazole emulsion by Hennemann, Bruno L., Moleta, Guilherme S., Fuchs, Ana L., Villetti, Marcos A., Kuhn, Bruna L., Rampelotto, Camila R., Paz, Alisson V., de Bona da Silva, Cristiane, Frizzo, Clarissa P.

“…[Display omitted] •US effect on fluconazole emulsion containing imidazolium-based ionic liquids was studied.•US-prepared emulsions had a smaller droplet size…”
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Phase-Separation Kinetics and Mechanism in a Methylcellulose/Salt Aqueous Solution Studied by Time-Resolved Small-Angle Light Scattering (SALS) by Villetti, Marcos A., Soldi, Valdir, Rochas, Cyrille, Borsali, Redouane

“…Phase‐separation dynamics are investigated by SALS in aqueous MC solutions in the presence of 5% NaCl, promoted by a quench temperature. The observed…”
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Heteroassembly Ability of Dicationic Ionic Liquids and Neutral Active Pharmaceutical Ingredients by Frizzo, Clarissa P, Bender, Caroline R, Salbego, Paulo R. S, Farias, Carla A. A, Villetti, Marcos A, Martins, Marcos A. P

“…Extensive investigation of interactions and aggregation properties of IL + API systems is necessary to apply ionic liquids (ILs) with different hydrophobic…”
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Impact of Anions on the Partition Constant, Self-Diffusion, Thermal Stability, and Toxicity of Dicationic Ionic Liquids by Frizzo, Clarissa P, Bender, Caroline R, Salbego, Paulo R. S, Farias, Carla A. A, da Silva, Thayanara C, Stefanello, Sílvio T, da Silveira, Tássia L, Soares, Félix A. A, Villetti, Marcos A, Martins, Marcos A. P

“…Partition constants (K D °), molecular dynamics (T 1, T 2, and DOSY measurements), thermal stability, and toxicity of dicationic ionic liquids (ILs) were…”
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Water-soluble carboxymethylchitosan as green scale inhibitor in oil wells by Macedo, Ruza Gabriela M. de A., Marques, Nívia do N., Paulucci, Luciana C.S., Cunha, João Victor Moura, Villetti, Marcos A., Castro, Bruno B., Balaban, Rosangela de C.

“…•Carboxymethylchitosan (CMC) was prepared and characterized by UV–vis, FT-IR and NMR.•The synthesis conditions led to a DS of 0.45 and water-solubility in all…”
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Effect of dicationic ionic liquids on cloud points of tergitol surfactant and the formation of aqueous micellar two-phase systems by Bender, Caroline R., Vicente, Filipa A., Kuhn, Bruna L., Frizzo, Clarissa P., Villetti, Marcos A., Carvalho, Pedro J.

“…A cloud point evaluation was performed for the nonionic surfactant Tergitol 15-S-7 in aqueous solutions of McIlvaine buffer (pH 7.0). Cloud point temperatures…”
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Synthesis and application of new selanylfullerene derivatives as photosensitizers for photodynamic therapy by Soares, Letiére C, Vargas, Josimar, Ravanello, Bruno B, Ilha, Vinicius, Seus, Natalia, Santos da Silva, Rafael, Alves, Diego, Dornelles, Luciano, Villetti, Marcos A, da Rocha, Vinicius N, Piquini, Paulo C, Dorneles Rodrigues, Oscar Endrigo

“…This study aims to describe the synthesis of a new class of selanylfullerene derivatives in a convergent strategy route, affording the desired products in a…”
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Adsorption and release of diphenhydraminium ibuprofenate from SBA-15 and MCM-41 explained by intermolecular interactions by Vieira, Jean C. B., Priebe, Vithória E., Wust, Keli M., Benvenuti, Edilson V., Villetti, Marcos A., Bender, Caroline R., Frizzo, Clarissa P.

“…The loading of Active Pharmaceutical Ingredient Ionic Liquid (API-IL)—diphenhydraminium ibuprofenate ([DIP][IBU])—on mesoporous silica (SBA-15 and MCM-41) was…”
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Effect on aggregation behavior of long-chain spacers of dicationic imidazolium-based ionic liquids in aqueous solution by Frizzo, Clarissa P., Gindri, Izabelle M., Bender, Caroline R., Tier, Aniele Z., Villetti, Marcos A., Rodrigues, Danieli C., Machado, Giovanna, Martins, Marcos A.P.

“…•Aggregation behavior of dicationic ionic liquids (ILs) with different spacers was evaluated.•ILs with long spacers are able to change their conformation at…”
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Preparation of TiO2 Nanoparticles Coated with Ionic Liquids: A Supramolecular Approach by Gindri, Izabelle M, Frizzo, Clarissa P, Bender, Caroline R, Tier, Aniele Z, Martins, Marcos A. P, Villetti, Marcos A, Machado, Giovanna, Rodriguez, Lucas C, Rodrigues, Danieli C

“…Coated TiO2 nanoparticles by dicationic imidazolium-based ionic liquids (ILs) were prepared and studied by differential scanning calorimetry (DSC), dynamic…”
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Aggregation of Ionic Liquids with Organic Anions, Driven by Cation–Anion Interaction Strength by Paz, Alisson V., Kuhn, Bruna L., Henneman, Bruno L., Priebe, Vithória E., Bender, Caroline R., Villetti, Marcos A., Bonacorso, Helio G., Frizzo, Clarissa P.

“…[Display omitted] •Aggregation and cation–anion interaction force of [C8(MIM)2] with ibuprofenate and ascorbate were evaluated.•CAC value of both ILs was quite…”
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Diversity Driven Decoration and Ligation of Fullerene by Ugi and Passerini Multicomponent Reactions by Ravanello, Bruno B., Seixas, Nalin, Rodrigues, Oscar E. D., da Silva, Rafael S., Villetti, Marcos A., Frolov, Andrej, Rivera, Daniel G., Westermann, Bernhard

“…Aiming at providing an efficient and versatile method for the diversity‐oriented decoration and ligation of fullerenes, we report the first C60 derivatization…”
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Elucidating Anion Effect on Nanostructural Organization of Dicationic Imidazolium-Based Ionic Liquids by Frizzo, Clarissa P, Bender, Caroline R, Gindri, Izabelle de Mello, Villetti, Marcos A, Machado, Giovanna, Bianchi, Otavio, Martins, Marcos A. P

“…This work reports the influence of anion structure (Br–, NO3 –, BF4 –, and SCN–) in the aggregation process of ionic liquids (ILs), derived from…”
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Thermal and oxidative decomposition of ibuprofen-based ionic liquids by Wust, Keli M., Beck, Thaíssa S., Hennemann, Bruno L., Villetti, Marcos A., Frizzo, Clarissa P.

“…Pharmaceuticals are often discharged into the environment and later detected in drinking water, plants, and soil. Thus, the decomposition or biodegradability…”
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Ionic liquids based on carboxylate anions: Auto and hetero assembly with methylcellulose in diluted and semi-diluted regime by Freitas, Andreia M.S., Vieira, Jean C.B., Beck, Thaíssa S., Zibetti, Letícia, Villetti, Marcos A., Frizzo, Clarissa P., Bender, Caroline R.

“…•The effect of ILs with carboxylate anions were evaluated on MC properties.•Small changes in the IL anion structure can promote significant differences on…”
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Detoxification of fermentable broth with activated biocarbon resulting from pyrolysis of agroforestry residues by Martins, Ayrton F., Villetti, Marcos A., Mortari, Sérgio R., Pedroso, Giovanni B., Saldanha, Loisleini F., Rambo, Magale K. D.

“…Carbon‐like materials from pyrolysis (<500°C) of agricultural leftovers (rice husks, eucalyptus sawdust and peach stones) were submitted to steam activation…”
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Heating Profile of Long Alkyl Chain Ionic Liquid Doped Solvents Under Ultrasound Irradiation by Frizzo, Clarissa P., Vieira, Jean C. B., Krüger, Nicolas, Paz, Alisson V., Zanatta, Nilo, Villetti, Marcos A.

“…In this work, the heating profile of water, dimethyl sulfoxide (DMSO), acetonitrile (CH 3 CN) and ethanol (EtOH) and their solutions containing monocationic (C…”
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Anion effect on the aggregation behavior of the long-chain spacers dicationic imidazolium-based ionic liquids by Frizzo, Clarissa P., Bender, Caroline R., Gindri, Izabelle M., Salbego, Paulo R. S., Villetti, Marcos A., Martins, Marcos A. P.

“…This work reports the study of the anion effect on the aggregation behavior of the long-chain spacers of dicationic imidazolium-based ionic liquids (ILs) in a…”
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Experimental and theoretical heat capacity of mono- and dicationic long alkyl chain imidazolium-based ionic liquids by Frizzo, Clarissa P., Vieira, Jean C.B., Ranathunga, Dineli T.S., Nielsen, Steven O., Villetti, Marcos A.

“…•The heat capacity (Cp) of ionic liquids (ILs), mono- and dicationic is presented.•The experimental Cp data was compared with the results from theoretical…”
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Models for understanding the structural effects on the cation-anion interaction strength of dicationic ionic liquids by Hennemann, Bruno L., Bender, Caroline R., Salbego, Paulo R.S., Meyer, Alexandre R., Belladona, Andrei L., Zanatta, Nilo, Bonacorso, Helio G., Villetti, Marcos A., Martins, Marcos A.P., Frizzo, Clarissa P.

“…Electrospray ionization mass spectrometry with variable collision-induced dissociation (CID) was used to conduct a comprehensive study of cation-anion…”
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