Search Results - "Leal, Katia Z"

Hydrocarbon composition of oils spilt on the Brazilian coast in 2019 and 2022 by Corrêa, Antônia M., Campos, Felipe F., Tenório, Marcus F., Rodrigues, Alice M.S., Pérez, Carlos D., Thompson, Fabiano, Batista, Andressa S., Gatts, Pedro V., de Rezende, Carlos E., Leal, Kátia Z., Bernardes, Marcelo C.

“…The chemical composition of spilt oils from events that took place on the north-eastern coast of Brazil in 2019 and 2022 was investigated to better understand…”
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Synthesis and anticancer activity of (E)-2-benzothiazole hydrazones by Lindgren, Eric B., de Brito, Monique A., Vasconcelos, Thatyana R.A., de Moraes, Manuel O., Montenegro, Raquel C., Yoneda, Julliane D., Leal, Kátia Z.

“…Benzothiazole hydrazones have been synthesized and evaluated for their in vitro antiproliferative activity against three human cancer cell lines: HL-60…”
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Comprehensive Two-Dimensional Gas Chromatography in Petroleum Derived Samples: A Review on Advances in Source and Weathering Studies of Spilled Oil by Corrêa, Antônia M., Sousa, Juliana M., Leal, Kátia Z., Bernardes, Marcelo C.

“…Since its introduction comprehensive two-dimensional gas chromatography (GC × GC) has been widely applied to analyze complex samples due to its enhanced peak…”
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Conformational analysis of a quinolonic ribonucleoside with anti-HSV-1 activity by Yoneda, Julliane D., Velloso, Marcia Helena R., Leal, Kátia Z., Azeredo, Rodrigo B. de V., Sugiura, Makiko, Albuquerque, Magaly G., Santos, Fernanda da C., Souza, Maria Cecília B.V. de, Cunha, Anna Claudia, Seidl, Peter R., Alencastro, Ricardo B. de, Ferreira, Vitor F.

“…The infections caused by the Herpes Simplex Virus are one of the most common sources of diseases in adults and several natural nucleoside analogues are…”
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COMPARISON BETWEEN ASPHALTENES (SUB)FRACTIONS EXTRACTED FROM TWO DIFFERENT ASPHALTIC RESIDUES: CHEMICAL CHARACTERIZATION AND PHASE BEHAVIOR by Ferreira, Silas R., Barreira, Fabio R., Spinelli, Luciana S., Leal, Katia Z., Seidl, Peter, Lucas, Elizabete F.

“…Asphaltenes are blamed for various problems in the petroleum industry, especially formation of solid deposits and stabilization of water-in-oil emulsions. Many…”
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New solid forms of efavirenz: Synthesis, vibrational spectroscopy and quantum chemical calculations by Marques, Marcelo M., Rezende, Carlos A., Lima, Gabriel C., Marques, Andressa C.S., Prado, Lívia D., Leal, Kátia Z., Rocha, Helvécio V.A., Ferreira, Gláucio B., Resende, Jackson A.L.C.

“…Efavirenz,(S)-6-chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one, is an anti HIV agent from the class of the…”
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Combining Nuclear Magnetic Resonance Spectroscopy and Density Functional Theory Calculations to Characterize Carvedilol Polymorphs by Rezende, Carlos A, San Gil, Rosane A S, Borré, Leandro B, Pires, José Ricardo, Vaiss, Viviane S, Resende, Jackson A L C, Leitão, Alexandre A, De Alencastro, Ricardo B, Leal, Katia Z

“…The experiments of carvedilol form II, form III, and hydrate by (13)C and (15)N cross-polarization magic-angle spinning (CP MAS) are reported. The GIPAW…”
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Structures of hydrazones, (E)-2-(1,3-benzothiazolyl)-NHNCHAr, [Ar=4-(pyridin-2-yl)phenyl, pyrrol-2-yl, thien-2-yl and furan-2-yl]: Difference in conformations and intermolecular hydrogen bonding by Lindgren, Eric B., Yoneda, Julliane D., Leal, Katia Z., Nogueira, Antônio F., Vasconcelos, Thatyana R.A., Wardell, James L., Wardell, Solange M.S.V.

“…► Crystal structures of (E)-2-(1,3-benzothiazolyl)-NHNCHAr(Het) are reported. ► Differences in the supramolecular arrangements are observed. ► Calculated…”
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Efficient removal of mercury from aqueous solutions and industrial effluent by Dos Santos, Maria B. P., Leal, Katia Z., Oliveira, Fernando J. S., Sella, Silvia M., Vieira, Méri D., Marques, Elisa M. D., Gomes, Vanessa A. C.

“…The objective of this study was to examine the ability of a solid waste produced during beneficiation of ornamental rocks to remove mercury (Hg) from an…”
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Structural evaluation of three 2-phenylpyrazolo[4,3-c]quinolin-3-one monohydrates by Ferreira, Vitor F., Leal, Katia Z., Lindgren, Eric B., de Oliveira, Mara R.P., de Souza, Maria Celia B.V., Vasconcelos, Thatyana R.A., Wardell, James L., Wardell, Solange M.S.V., Yoneda, Julliane D.

“…•M06-2X/6-311++G(d,p) level calculations on structures and tautomeric stabilities of 2-phenylpyrazolo[4,3-c]quinolin-3-ones.•X-ray crystallographic study of…”
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Modeling Solvent Effects on Asphaltene Dimers by Carauta, Alexandre N. M, Seidl, Peter R, Chrisman, Erika C. A. N, Correia, Júlio C. G, Menechini, Príscila de O, Silva, Daniel M, Leal, Katia Z, de Menezes, Sonia M. C, de Souza, Wladimir F, Teixeira, Marco A. G

“…Asphaltene deposition is a well-known problem in the petroleum industry. Nevertheless, there seems to be a lack of information on the processes involved in…”
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Conformational analysis of phloroglucinols from hypericum Brasiliense by using x-ray diffraction and molecular modeling by Leal, Kátia Z., Yoneda, Julliane D., Lindgren, Eric B., Pinheiro, Carlos B., Corrêa, Arthur L., França, Hildegardo S.

“…In this work we intend to verify the applicability of a computational methodology to predict structural features of organic compounds with biological activity…”
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Preparation of α-diazocarbonyl compounds from β-lapachone derivatives and other 1,2-naphthoquinones: use of the 2D NMR 1H,15N and 1H,13C HMBC techniques in assigning regiochemistry by Ferreira, Vitor F., Jorqueira, Alessandra, Leal, Kátia Z., Pimentel, Hélio R. X., Seidl, Peter R., da Silva, Milton N., da Souza, Maria C. B. V., Pinto, Antonio V., Wardell, James L., Wardell, Solange M. S. V.

“…The assignment of the diazo site in products of the reaction of p‐toluenesulfonylhydrazine with β‐lapachone,…”
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Preparation of α-diazocarbonyl compounds from β-lapachone derivatives and other 1,2-naphthoquinones: use of the 2D NMR1H,15N and1H,13C HMBC techniques in assigning regiochemistry by Ferreira, Vitor F., Jorqueira, Alessandra, Leal, Kátia Z., Pimentel, Hélio R. X., Seidl, Peter R., da Silva, Milton N., da Souza, Maria C. B. V., Pinto, Antonio V., Wardell, James L., Wardell, Solange M. S. V.

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