Výsledky vyhledávání - "Erika B. Tada"

Thermo-solvatochromism of zwitterionic probes in aqueous aliphatic alcohols and in aqueous 2-alkoxyethanols: relevance to the enthalpies of activation of chemical reactions

Autor: Clarissa Tavares, Priscilla L. Silva, Omar A. El Seoud, Erika B. Tada

Publikováno v: Journal of Physical Organic Chemistry. 18:398-407

The thermo-solvatochromic behavior of 2,6-dichloro-4-(2,4,6-triphenylpyridinium-1-yl)phenolate (WB), 1-methylquinolinium-8-olate (QB) and 4-[2-(1-methylpyridinium-4-yl)ethenyl]phenolate (MC) was investigated in binary mixtures of water (W) and 2-alko

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f445954cdc71ede3611501ffcb816e1
https://doi.org/10.1002/poc.887

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Nucleophilic Reactivity of the CTACl-Micelle-Bound Fluoride Ion: The Influence of Water Concentration and Ionic Strength at the Micellar Interface

Autor: Priscilla Leandro Silva, Marie-Françoise Ruasse, Erika B. Tada, Iva B. Blagoeva, Nadia Ouarti, Omar A. El Seoud

Publikováno v: Langmuir. 19:10666-10672

The nucleophilic reactivity of the fluoride ion, F-, toward PNDPP, p-nitrophenyldiphenyl phosphate, was investigated in buffered aqueous solutions of CTACl, cetyltrimethylammonium chloride, at pH 9.8 and 7.9. The pH- and buffer-independent micellar r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e7bd81a3a12d8d8065e3f6985a239d4
https://doi.org/10.1021/la030186q

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Thermo-solvatochromism of betaine dyes in aqueous alcohols: explicit consideration of the water-alcohol complex

Autor: Omar A. El Seoud, Erika B. Tada, Priscilla L. Silva

Publikováno v: Journal of Physical Organic Chemistry. 16:691-699

Thermo-solvatochromism of 2,6-dichloro-4-(2,4,6-triphenylpyridinium-1-yl)-phenolate, 1-methylquinolinium-8-olate and 4-[2-(1-methylpyridinium-4-yl)ethenyl]-phenolate, in the temperature ranges 10–45°C (methanol) and 10–60°C (1- and 2-propanol)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96285ea967bfe89bf02c79117134d466
https://doi.org/10.1002/poc.632

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Thermo-solvatochromism of zwitterionic probes in aqueous alcohols: effects of the properties of the probe and the alcohol

Autor: Priscilla L. Silva, Erika B. Tada, Omar A. El Seoud

Publikováno v: Phys. Chem. Chem. Phys.. 5:5378-5385

Thermo-solvatochromism of 2,6-dichloro-4-(2,4,6-triphenylpyridinium-1-yl)phenolate, 1-methylquinolinium-8-olate and 4-[2-(1-methylpyridinium-4-yl)ethenyl]phenolate, in the temperature range 10 to 60 °C (ethanol and 2-methoxyethanol) and 25 to 60 °C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b28286a7c0b10329f1bf9a8024879688
https://doi.org/10.1039/b308550c

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Thermo-solvatochromism in aqueous alcohols: effects of the molecular structures of the alcohol and thesolvatochromic probe

Autor: Maged S. Antonious, Omar A. El Seoud, Erika B. Tada

Publikováno v: Journal of Physical Organic Chemistry. 15:403-412

Thermo-solvatochromism of 2,6-diphenyl-4-(2,4,6-triphenylpyridinium-1-yl)-1-phenolate, 2,6-dichloro-4-(2,4,6-triphenylpyridinium-1-yl) phenolate and 1-methylquinolinium-8-olate in the temperature range 10–45 °C was studied in mixtures of water wit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2339cf0428f3b5d4c3fe5b76f27901d
https://doi.org/10.1002/poc.510

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Solvatochromism in Cationic Micellar Solutions: Effects of the Molecular Structures of the Solvatochromic Probe and the Surfactant Headgroup

Autor: Luzia P. Novaki, Erika B. Tada, Omar A. El Seoud

Publikováno v: Langmuir. 17:652-658

The solvatochromic behavior of 2,6-diphenyl-4-(2,4,6-triphenyl-1-pyridinio)-1-phenolate (RB), 2,6-dichloro-4-(2,4,6-triphenyl-1-pyridinio)-1-phenolate (WB), 1-methyl-8-oxyquinolinium betaine (QB), and sodium 1-methyl-8-oxyquinolinium betaine 5-sulfon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c716b010d53d7ac46d5dcfd43a81063
https://doi.org/10.1021/la001135l

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Solvatochromism in pure and binary solvent mixtures: effects of the molecular structure of the zwitterionic probe

Autor: Erika B. Tada, Omar A. El Seoud, Luzia P. Novaki

Publikováno v: Journal of Physical Organic Chemistry. 13:679-687

The solvatochromic behavior of 2,6-dichloro-4-(2,4,6-triphenyl-1-pyridinio)phenolate (WB) was studied by UV–visible spectrophotometry in 32 pure solvents, in binary mixtures of 1-butanol–cyclohexane (BuOH–Cyhx), and of water with methanol, etha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e74ece3a8f9f3677ca30c5916c1cdd67
https://doi.org/10.1002/1099-1395(200011)13:11<679::aid-poc299>3.0.co

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Solvatochromism in organized assemblies: effects of the sphere-to-rod micellar transition

Autor: Omar A. El Seoud, Erika B. Tada

Publikováno v: Molecular Organisation on Interfaces ISBN: 9783540436379

The solvatochromic behavior of 2,6-dichloro-4-(2,4,6-tri-phenyl-1-pyridinium-1-yl) phenolate (WB), 1-methyl-8-oxyquinolinium betaine (QB), and sodium 1-methyl-8-oxyquinolinium betaine-5-sulfo-nate (QBS) has been studied in the presence of spherical,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::90c29d0f6731623f73ac596327febe68
https://doi.org/10.1007/3-540-47822-1_19

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Akademický článek

Thermo-solvatochromism of zwitterionic probes in aqueous alcohols: effects of the properties of the probe and the alcohol.

Autor: Erika B. Tada, Priscilla L. Silva, Omar A. El Seoud

Publikováno v: Physical Chemistry Chemical Physics (PCCP); Dec2003, Vol. 5 Issue 24, p5378-5385, 8p

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