Search Results - "Chaimovich, H."

Characterization of PMMA-b-PDMAEMA aggregates in aqueous solutions by Saraiva, G. K. V., de Souza, V. V., de Oliveira, L. Coutinho, Noronha, M. L. C., Masini, J. C., Chaimovich, H., Salinas, R. K., Florenzano, F. H., Cuccovia, I. M.

“…Diblock amphiphilic copolymers form aggregates in some solvents. Such aggregates exhibit different morphologies, depending mainly on the polar/apolar block…”
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Position matters in ester thiolysis by cysteine-containing peptides in micelles and vesicles by Lacerda, C.D., Juliano, M.A., Liria, C.W., Machini, M.T., Park, P., Matsubara, D.K., Barzotto, D.R., Lima, F.S., Chaimovich, H., Cuccovia, I.M.

“…[Display omitted] The interaction of peptides with nanoaggregates is an active research topic. Cysteine (Cys)-containing peptides open opportunities for…”
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Micellar effects and analytical applications of nitro substitution in 4-Nitro-N-alkyl-1,8-naphthalimide by cysteine derivatives by Martins, V.S., Triboni, E.R., Bonilha, J.B.S., Gonçalves, L.M., Mortara, L., Carvalho, L.A.C., Manda, B.R., Lacerda, C.D., Meotti, F.C., Politi, M.J., Chaimovich, H., Cuccovia, I.M.

“…The aromatic nucleophilic substitution reactions of the nitro group of 4-Nitro-N-alkyl-1,8-naphthalimides by thiolate anions produce fluorescent derivatives…”
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Surface Activity of the Triflate Ion at the Air/Water Interface and Properties of N,N,N-Trimethyl-N-Dodecylammonium Triflate Aqueous Solutions by Lima, F. S, Maximiano, F. A, Cuccovia, I. M, Chaimovich, H

“…The surface activity of salts added to water is orders of magnitude lower than that of surfactants. Sodium trifluoromethanesulfonate (NaTf) produced a change…”
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Calculation of the Dipole Moment for Polypeptides Using the Generalized Born-Electronegativity Equalization Method:  Results in Vacuum and Continuum-Dielectric Solvent by Shimizu, K, Chaimovich, H, Farah, J. P. S, Dias, L. G, Bostick, D. L

“…The electronegativity equalization methodology, EEM, is frequently used to calculate the charge distribution and reactivity index (e.g., local softness and…”
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pH at the micellar interface: Synthesis of pH probes derived from salicylic acid, acid–base dissociation in sodium dodecyl sulfate micelles, and Poisson–Boltzmann simulation by Souza, T.P., Zanette, D., Kawanami, A.E., de Rezende, L., Ishiki, H.M., do Amaral, A.T., Chaimovich, H., Agostinho-Neto, A., Cuccovia, I.M.

“…The study of the H + concentration at the micellar interface is a convenient system for modeling the distribution of H + at interfaces. We have synthesized…”
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Solvolysis of Tris- p-nitrophenyl-phosphate in aqueous and reverse micelles by Costas-Costas, U., Bravo-Díaz, C., Chaimovich, H., Cuccovia, I.M.

“…The widespread use of toxic phosphates and phosphonates as insecticides, and their use as chemical weapons, has led to investigation of fast detoxification and…”
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Induction of antiphospholipid antibodies by immunization with synthetic viral and bacterial peptides by Gharavi, E E, Chaimovich, H, Cucurull, E, Celli, C M, Tang, H, Wilson, W A, Gharavi, A E

“…We previously induced pathogenic antibodies against anionic phospholipids (PL) in experimental animals by immunization with lipid-free purified human…”
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Mapping cancer, cardiovascular and malaria research in Brazil by Rodrigues, P S, Fonseca, L, Chaimovich, H

“…This paper presents performance indicators for the Brazilian cancer, cardiovascular and malaria research areas from 1981 to 1995. The data show an increasing…”
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Mechanism of 1,4,5,8-naphthalene tetracarboxylic acid dianhydride hydrolysis and formation in aqueous solution by Barros, T C, Cuccovia, I M, Farah, J P S, Masini, J C, Chaimovich, H, Politi, M J

“…The study of highly conjugated, carbonyl-containing molecules such as 1,4,5,8-naphthalene tetracarboxylic dianhydride, III, is of interest since reactivity…”
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Effect of liposomes on the rate of alkaline hydrolysis of indomethacin and acemetacin by Matos, C, Chaimovich, H, Lima, J L, Cuccovia, I M, Reis, S

“…The anti-inflammatory, analgesic, and antipyretic drugs indomethacin (INDO) and acemetacin (ACE), extensively used for the treatment of diseases of…”
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Fusion of vesicles with the air–water interface: the influence of polar head group, salt concentration, and vesicle size by Gugliotti, M, Chaimovich, H, Politi, M.J

“…Fusion of vesicles with the air–water interface and consequent monolayer formation has been studied as a function of temperature. Unilamellar vesicles of DMPC,…”
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A simple method for the fast calculation of charge redistribution of solutes in an implicit solvent model by Dias, L.G., Shimizu, K., Farah, J.P.S., Chaimovich, H.

“…We propose and demonstrate the usefulness of a method, defined as generalized Born electronegativity equalization method (GBEEM) to estimate solvent-induced…”
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Rate-limiting step and micellar catalysis of the non-classical nitro group nucleophilic substitution by thiols in 4-nitro-N-n-butyl-1,8-naphthalimide by Triboni, E. R., Politi, M. J., Cuccovia, I. M., Chaimovich, H., Berci Filho, P.

“…Nitronaphthalimides are a particularly interesting group of nitroaromatics used for staining cells in hypoxia and in photodynamic therapy. The kinetics of the…”
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beta 2-glycoprotein I (apolipoprotein H) modulates uptake and endocytosis associated chemiluminescence in rat Kupffer cells by Gomes, L F, Gonçalves, L M, Fonseca, F L A, Celli, C M, Videla, L A, Chaimovich, H, Junqueira, V B C

“…beta 2-Glycoprotein I (beta 2 GPI) is known to influence macrophage uptake of particles with phosphatidylserine containing surfaces, as apoptotic thymocytes…”
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Structure-activity relationships in the fusion of small unilamellar phosphatidylcholine vesicles induced by a model peptide by da Costa, M.H.B., Chaimovich, H.

“…Limited proteolysis of fatty acid-free bovine serum albumin by pepsin yields several well characterized peptides, one of which (P9, M r 9 000), induces fusion…”
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Plant Uncoupling Mitochondrial Proteins by Vercesi, A.E, Borecký, J, Maia, I. de G, Arruda, P, Cuccovia, I.M, Chaimovich, H

“…Uncoupling proteins (UCPs) are membrane proteins that mediate purine nucleotide-sensitive free fatty acid-activated H(+) flux through the inner mitochondrial…”
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Recognition and international collaboration: the Brazilian case by LETA, Jacqueline, CHAIMOVICH, Hernan

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Salt-induced aggregation and fusion of dioctadecyldimethylammonium chloride and sodium dihexadecylphosphate vesicles by Carmona-Ribeiro, A.M., Chaimovich, H.

“…Small dioctadecyldimethylammonium chloride (DODAC) vesicles prepared by sonication fuse upon addition of NaCl as detected by several methods (electron…”
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Kinetics and product distribution of p-nitrophenyl phosphate dianion solvolysis in ternary DMSO/alcohol/water mixtures are compatible with metaphosphate formation by Lima, F. S., Chaimovich, H., Cuccovia, I. M.

“…The rate of solvolysis of p‐nitrophenyl phosphate (PNPP) dianion in DMSO/water strongly decreases by increasing water concentration. Addition of linear…”
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