Search Results - "Santana, Cesar C"

Study on the use of aprotic ionic liquids as potential additives for crude oil upgrading, emulsion inhibition, and demulsification by Santos, Robson L.M., Filho, Elvio B.M., Dourado, Raul Silva, Santos, Alexandre Ferreira, Borges, Gustavo R., Dariva, Cláudio, Santana, César C., Franceschi, Elton, Santos, Denisson

“…Aprotic ionic liquids ([C4pyr]+[NTf2]-, [C8mim]+[NTf2]-, [C8mim]+[OTf]-, [C8mim]+[PF6]-, [C8mim]+[BF4]-, [C12mim]+[NTf2]-, and [C12mim]+[Cl]-) were…”
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Naphthenic acids recovery from petroleum using ionic silica based hybrid material as stationary phase in solid phase extraction (SPE) process by De Conto, Juliana F., Santos, Marília R. O., Carvalho, Aiála S., Campos, Kelvis V., Freitas, Lisiane S., Benvenutti, Edilson V., de Menezes, Eliana W., Santana, César C., Egues, Silvia M.

“…Naphthenic acids cause corrosion in the equipment used in the petroleum processing. Considering difficulties in the identification of the compounds present in…”
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Poly(methyltetradecylsiloxane) immobilized onto silica for extraction of multiclass pesticides from surface waters by Faria, Anizio M., Maldaner, Liane, Santana, César C., Jardim, Isabel C.S.F., Collins, Carol H.

“…A new material based on poly(methyltetradecylsiloxane) (PMTDS) thermally immobilized onto a silica support has been tested as a sorbent for the solid-phase…”
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Enantioseparation of Secnidazole by High-Performance Liquid Chromatography Using Amylose-Based Stationary Phase by Ana C. Nascimento, Rafael F. Perna, Marco A. Cremasco, Cesar C. Santana

“…The secnidazole, a drug used in hepatic amebiasis, giardiasis and bacterial vaginosis, was enantioseparated on a semi-preparative scale by high performance…”
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Dilatational Rheological Properties of Asphaltenes in Oil–Water Interfaces: Langmuir Isotherm and Influence of Time, Concentration, and Heptol Ratios by Morais, Walisson J. S, Franceschi, Elton, Dariva, Claudio, Borges, Gustavo R, Santos, Alexandre F, Santana, Cesar C

“…The dilatational rheological interfacial properties are important in colloidal systems due to the possibility of studying changes in the interfacial tension…”
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Synthesis of silica modified with 1-methylimidazolium chloride by sol-gel method: A comparison between microwave radiation-assisted and conventional methods by De Conto, Juliana F., Oliveira, Marília R., Oliveira, Ronney J., Campos, Kelvis V., De Menezes, Eliana W., Benvenutti, Edilson V., Franceschi, Elton, Santana, Cesar C., Egues, Silvia M.

“…The possibility of producing new compounds that combine organic and inorganic materials for improved properties has become increasingly attractive to material…”
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Molecular dynamics of acetate-based ionic liquids by Holanda, Rodolfo R, Santos, Dheiver F, Da Silva, Tatiana G D, Babu, Shaik, Santana, Cesar C, Souza, Walisson J

“…A radial distribution analysis of pairs between the constituent atoms of protic ionic 2-(hydroxy)ethylammonium acetate was performed with molecular dynamics…”
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One-pot synthesis and modification of silica nanoparticles with 3-chloropropyl-trimethoxysilane assisted by microwave irradiation by De Conto, Juliana F., Oliveira, Marília R., Oliveira, Matheus M., Brandão, Thadeu G., Campos, Kelvis V., Santana, Cesar C., Egues, Silvia M.

“…Industry and academia have shown great interest in the synthesis of organic-inorganic hybrid material because the modification of inorganic supports with…”
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Albendazole sulfoxide enantiomers: Preparative chiral separation and absolute stereochemistry by Lourenço, Tiago C., Batista Jr, João M., Furlan, Maysa, He, Yanan, Nafie, Laurence A., Santana, Cesar C., Cass, Quezia B.

“…► Isolation of albendazole sulfoxide enantiomers by VARICOL process. ► High purities of enantiomers were achieved with a 100% methanol as eluent. ► Solvent…”
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Chromatographic Separation of Chiral Drugs in a Diallyl-L-tartardiamide-based Stationary Phase: Influence of Temperature on the Equilibrium and Mass-Transfer Parameters by Ivanildo J. Silva, João P. Sartor, Amaro G. Barreto, Cesar C. Santana

“…The influence of temperature on the equilibrium and mass-transfer parameters in the chromatographic separation of bupivacaine enantiomers was evaluated using a…”
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High-pressure phase diagram of the drug mitotane in compressed and/or supercritical CO2 by FAVARETO, Rogério, PEREIRA, José R. D, SANTANA, Cesar C, MADUREIRA, Ed H, CABRAL, Vladimir F, TAVARES, Frederico W, CARDOZO-FILHO, Lúcio

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HPLC Determination of Pesticides in Soybeans using Matrix Solid Phase Dispersion by Maldaner, Liane, Santana, Cesar C., Jardim, Isabel C. S. F.

“…A method to determine six pesticides applied in soy cultivation (imazethapyr, imazaquin, metsulfuron-methyl, carboxin, chlorimuron-ethyl, and tebuconazole)…”
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Downstream Processing of Bioproducts by Cockrem, Michael, Santana, Cesar C

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Brazilian bioethanol program by ZANIN, G. M, SANTANA, C. C, FONTANA, J. D, BON, E. P. S, GIORDANO, R. C. L, DE MORAES, F. F, ANDRIETTA, S. R, DE CARVALHO NETO, C. C, MACEDO, I. C, FO, D. L, RAMOS, L. P

“…Brazil is the largest producer of bioethanol, and sugarcane is the main raw material. Bioethanol is produced by both batch and continuous processes, and in…”
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Efficient separation of carbon dioxide and methane in high-pressure and wet gas mixtures using Zr-MOF-808 by Menezes, Tamires R., Santos, Kátilla M.C., Mao, Haiyan, Santos, Klebson, De Conto, Juliana F., Reimer, Jeffrey A., Dariva, Silvia M.E., Santana, Cesar C.

“…[Display omitted] •MOF-808 was efficiently synthesized using both the conventional solvothermal method and an autoclave technique.•MOF-808 is an efficient…”
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Natural gas dehydration by adsorption using MOFs and silicas: A review by Santos, Kátilla M.C., Menezes, Tamires R., Oliveira, Marília R., Silva, Thauane S.L., Santos, Klebson S., Barros, Vinicius A., Melo, Darley C., Ramos, André L., Santana, Cesar C., Franceschi, Elton, Dariva, Cláudio, Egues, Silvia M., Borges, Gustavo R., De Conto, Juliana F.

“…[Display omitted] •MOFs and silicas are robust adsorbents with high chemical and thermal stability.•MOFs and silicas are highly porous and efficient adsorbents…”
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Phenylboronate-chitosan resins for adsorption of beta-amylase from soybean extracts by Arruda, Eduardo J, Santana, Cesar C

“…Isolation and purification of bioproducts from crude extracts can be obtained by affinity methods based on reversible binding of a specific molecule to ligand…”
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Synthesis of 4-Aryl-2-pyrrolidones and β-Aryl-γ-amino-butyric Acid (GABA) Analogues by Heck Arylation of 3-Pyrrolines with Arenediazonium Tetrafluoroborates. Synthesis of (±)-Rolipram on a Multigram Scale and Chromatographic Resolution by Semipreparative Chiral Simulated Moving Bed Chromatography by Garcia, Ariel L. L, Carpes, Marcos J. S, de Oca, Antonio C. B. M, dos Santos, Marco A. G, Santana, César C, Correia, Carlos Roque D

“…We report herein a new, practical, and economic synthesis of the phosphodiesterase inhibitor Rolipram on a multigram scale as well as the synthesis of new…”
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Influence of Calcification Solution on in vitro Chitosan Mineralization by Beppu, Marisa M., Santana, Cesar C.

“…The influence of the calcification solution on the mineralization of chitosan membranes was analysed. Two factors were studied: pH and chemical composition…”
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Synthesis of conformationally restricted acetylcholine analogues. Comparing lipase-mediated resolution with simulated moving bed chromatography of arylated β-hydroxy-pyrrolidines by Barreto, Ricardo de L., Carpes, Marcos J.S., Santana, César C., Correia, Carlos R.D.

“…The enantiodivergent synthesis of new, conformationally restricted acetylcholine analogues was accomplished using arylated endocyclic enecarbamates as key…”
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