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Pure Appl. Chem., 2009, Vol. 81, No. 4, pp. 697-707

Understanding solvation

Omar A. El Seoud

Institute of Chemistry, University of São Paulo, C.P. 26077, 05513-970, São Paulo, S. P., Brazil

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  • Nawaz Haq, Pires Paulo A. R., Bioni Thaís A., Arêas Elizabeth P. G., El Seoud Omar A.: Mixed solvents for cellulose derivatization under homogeneous conditions: kinetic, spectroscopic, and theoretical studies on the acetylation of the biopolymer in binary mixtures of an ionic liquid and molecular solvents. Cellulose 2014. <>
  • Harifi-Mood Ali Reza, Mousavi-Tekmedash Ali: Linear and nonlinear free energy relationships in nucleophilic substitution reaction of 2-bromo-5-nitrothiophene with morpholine. Int. J. Chem. Kinet. 2013, 45, 59. <>
  • Pires Paulo A. R., Imran Muhammad, Loffredo Carina, Donate Paulo M., Previdi Daniel, El Seoud Omar A.: Solvatochromism of 2-(N,N -dimethylamino)-7-nitrofluorene and the natural dye β-carotene: application for the determination of solvent dipolarity and polarizability. J. Phys. Org. Chem. 2013, 26, 280. <>
  • El Guesmi Nizar, Berionni Guillaume, Asghar Basim H.: Electronic and solvent effects on kinetics of SNAr substitution reactions of substituted anilines with 2,6-bis(trifluoromethanesulfonyl)-4-nitroanisole in MeOH–Me2SO mixtures of varying composition: one reaction with two mechanistic pathways. Monatsh Chem 2013, 144, 1537. <>
  • Domínguez Moisés Elías, Rezende Marcos Caroli, Márquez Sebastián: Theoretical study of the solvatochromism of a donor-acceptor bithiophene. J Mol Model 2013, 19, 689. <>
  • Fidale Ludmila C., Heinze Thomas, El Seoud Omar A.: Perichromism: A powerful tool for probing the properties of cellulose and its derivatives. Carbohydrate Polymers 2013, 93, 129. <>
  • Loffredo Carina, Pires Paulo Augusto R., Imran Muhammad, El Seoud Omar A.: β-Carotene: A green, inexpensive, and convenient solvatochromic probe for the determination of solvent polarizability. Dyes and Pigments 2013, 96, 16. <>
  • Sayadian Masumeh, Farajtabar Ali: Deprotonation of para-sulphonatocalix[4]arene in water–methanol mixtures. Physics and Chemistry of Liquids 2013, 51, 447. <>
  • Fidale Ludmila C., Lima Paulo M., Hortêncio Lucas M. A., Pires Paulo A. R., Heinze Thomas, El Seoud Omar A.: Employing perichromism for probing the properties of carboxymethyl cellulose films: an expedient, accurate method for the determination of the degree of substitution of the biopolymer derivative. Cellulose 2012, 19, 151. <>
  • Kumar Keshav, Mishra Ashok Kumar: Quantification of ethanol in petrol–ethanol blends: Use of Reichardt's ET(30) dye in introducing a petrol batch independent calibration procedure. Talanta 2012, 100, 414. <>
  • Nandi Leandro G., Facin Felipe, Marini Vanderléia G., Zimmermann Lizandra M., Giusti Luciano A., Silva Robson da, Caramori Giovanni F., Machado Vanderlei G.: Nitro-Substituted 4-[(Phenylmethylene)imino]phenolates: Solvatochromism and Their Use as Solvatochromic Switches and as Probes for the Investigation of Preferential Solvation in Solvent Mixtures. J. Org. Chem. 2012, 77, 10668. <>
  • Burke Kathryn, Riccardi Caterina, Buthelezi Thandi: Thermosolvatochromism of Nitrospiropyran and Merocyanine Free and Bound to Cyclodextrin. Chem B 2012, 116, 2483. <>
  • Vincent Michel, Gallay Jacques: Water Gradient in the Membrane–Water Interface: A Time-Resolved Study of the Series of n-(9-Anthroyloxy) Stearic Acids Incorporated in AOT/Water/iso-octane Reverse Micelles. Chem B 2012, 116, 1687. <>
  • Sato Bruno M., Martins Clarissa T., El Seoud Omar A.: Solvation in aqueous binary mixtures: consequences of the hydrophobic character of the ionic liquids and the solvatochromic probes. New J. Chem. 2012, 36, 2353. <>
  • Pushkarova Yaroslava, Kholin Yuriy: The classification of solvents based on solvatochromic characteristics: the choice of optimal parameters for artificial neural networks. cent.eur.j.chem. 2012, 10, 1318. <>
  • Salmar Siim, Järv Jaak, Tenno Tiina, Tuulmets Ants: Role of water in determining organic reactivity in aqueous binary solvents. cent.eur.j.chem. 2012, 10, 1600. <>
  • Harifi-Mood Ali Reza, Rahmati Masoud, Gholami Mohammad Reza: Solvent polarity and hydrogen bond effects on nucleophilic substitution reaction of 2-bromo-5-nitrothiophene with piperidine. Int J Chem Kinet 2011, 43, 185. <>
  • El Seoud Omar A., da Silva Valdinéia C., Possidonio Shirley, Casarano Romeu, Arêas Elizabeth P. G., Gimenes Paula: Microwave-Assisted Derivatization of Cellulose, 2 - The Surprising Effect of the Structure of Ionic Liquids on the Dissolution and Acylation of the Biopolymer. Macromolecular Chem Phys 2011, 212, 2541. <>
  • Jamali-Paghaleh Javad, Harifi-Mood Ali Reza, Gholami Mohammad Reza: Reaction kinetics investigation of 1-fluoro-2,4-dinitrobenzene with substituted anilines in ethyl acetate-methanol mixtures using linear and nonlinear free energy relationships : ETHYL ACETATE-METHANOL MIXTURES. J  Phys Org Chem 2011, 24, 1095. <>
  • Farajtabar Ali, Jaberi Fatemeh, Gharib Farrokh: Preferential solvation and solvation shell composition of free base and protonated 5, 10, 15, 20-tetrakis(4-sulfonatophenyl)porphyrin in aqueous organic mixed solvents. Spectochim Acta A 2011, 83, 213. <>
  • El Seoud Omar A., Loffredo Carina, Galgano Paula D., Sato Bruno M., Reichardt Christian: Have Biofuel, Will Travel: A Colorful Experiment and a Different Approach To Teach the Undergraduate Laboratory. J Chem Ed 2011, 88, 1293. <>
  • Leal José M., Navarro Ana M., García Begoña, Hoyuelos Francisco J., Peñacoba Indalecio A.: Preferential Solvation in Alkan-1-ol/Alkylbenzoate Binary Mixtures by Solvatochromic Probes. Chem B 2011, 115, 10259. <>
  • Fidale Ludmila C., Ißbrücker Constance, Silva Priscilla L., Lucheti Camila M., Heinze Thomas, El Seoud Omar A.: Probing the dependence of the properties of cellulose acetates and their films on the degree of biopolymer substitution: use of solvatochromic indicators and thermal analysis. Cellulose 2010, 17, 937. <>
  • Galgano Paula D., El Seoud Omar A.: Micellar properties of surface active ionic liquids: A comparison of 1-hexadecyl-3-methylimidazolium chloride with structurally related cationic surfactants. Journal of Colloid and Interface Science 2010, 345, 1. <>
  • Palomar José, Torrecilla José S., Lemus Jesús, Ferro Víctor R., Rodríguez Francisco: A COSMO-RS based guide to analyze/quantify the polarity of ionic liquids and their mixtures with organic cosolvents. Phys Chem Chem Phys 2010, 12, 1991. <>
  • Sato Bruno M., de Oliveira Carolina G., Martins Clarissa T., El Seoud Omar A.: Thermo-solvatochromism in binary mixtures of water and ionic liquids: on the relative importance of solvophobic interactions. Phys Chem Chem Phys 2010, 12, 1764. <>
  • Saielli Giacomo, Bagno Alessandro: Preferential solvation of glucose and talose in water–acetonitrile mixtures: a molecular dynamics simulation study. Phys Chem Chem Phys 2010, 12, 2981. <>
  • Pensack Ryan D., Banyas Kyle M., Asbury John B.: Vibrational solvatochromism in organic photovoltaic materials: method to distinguish molecules at donor/acceptor interfaces. Phys Chem Chem Phys 2010, 12, 14144. <>