Search Results - "Crusats, J."

Chiral Sign Induction by Vortices during the Formation of Mesophases in Stirred Solutions by Ribó, Josep M., Crusats, Joaquim, Sagués, Francesc, Claret, Josep, Rubires, Raimon

“…Achiral diprotonated porphyrins, forming homoassociates in aqueous solution, lead to spontaneous chiral symmetry breaking. The unexpected result is that the…”
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Travelling waves in two-dimensional smectic-C domains by CLARET, J, CRUSATS, J, ALBALAT, R, IGNES-MULLOL, J, MARTINEZ-SEARA, H, REIGADA, R, SAGUES, F

“…Continued irradiation of smectic-C-like domains of photosensitive Langmuir monolayers from azobenzene derivatives induces the nucleation and propagation of…”
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Chiral Selection When Stirred, Not Shaken by Matteson, Donald S., Ribó, J. M., Crusats, J., Saguès, F., Claret, J., Rubires, R.

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Point-Dipole Approximation of the Exciton Coupling Model Versus Type of Bonding and of Excitons in Porphyrin Supramolecular Structures by Ribó, Josep M., Bofill, Josep M., Crusats, Joaquim, Rubires, Raimon

“…The application of the exciton coupling model to interacting porphyrin chromophores is discussed. Covalently bonded systems and ionic or electrostatically…”
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Influence of Temperature and Composition on the Mesoscopic Textures of Azobenzene Langmuir Monolayers by Crusats, Joaquim, Albalat, Rosa, Claret, Josep, Ignés-Mullol, Jordi, Sagués, Francesc

“…The monolayer behavior of the azobenzene derivative 8Az3COOH is shown to depend significatively on temperature and on the isomeric (trans−cis) composition. For…”
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Texture Changes inside Smectic-C Droplets in Azobenzene Langmuir Monolayers by Ignés-Mullol, Jordi, Claret, Josep, Albalat, Rosa, Crusats, Joaquim, Reigada, Ramon, Romero, María Teresa Martín, Sagués, Francesc

“…Preparation of Langmuir monolayers of a mixture of trans- and cis-isomers of an azobenzene derivative, 4-[4-[(4-octylphenyl)azo]phenoxy]butanoic acid, results…”
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Molecular recognition and cluster size in supersaturated solutions of NaClO 3 by Veintemillas-Verdaguer, S., El-Hachemi, Z., Crusats, J., McBride, J. M., Ribó, J. M.

“…Abstract only…”
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Spontaneous mirror symmetry breaking in the crystallization of NaClO 3 by Ribo, J. M., El-Hachemi, Z., Crusats, J., McBride, J. M., Veintemillas-Verdaguer, S.

“…Abstract only…”
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Photoswitchable Orientational Patterns of Confined Domains in Monolayers by Sagués, Francesc, Albalat, Rosa, Reigada, Ramon, Crusats, Joaquim, Ignés-Mullol, Jordi, Claret, Josep

“…We report here a photoswitch process that involves collective molecular reorientation in a monolayer of an azobenzene derivative. Using polarized light we…”
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Excited Triplet States in Aggregates and Monomers of Water Soluble Meso-Aryl Substituted Porphyrins by García-Ortega, Héctor, Bourdelande, José L, Crusats, Joaquim, El-Hachemi, Zoubir, Ribó, Josep M

“…The excited triplet states of a set of water-soluble 4-sulfonatophenyl meso-bis and meso-tetrakis substituted porphyrinoids were studied in a wide range of…”
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Collective Reorientation in Isolated Smectic-C Langmuir Monolayer Droplets Induced by Line Tension Anisotropy by Claret, Josep, Reigada, Ramon, Albalat, Rosa, Crusats, Joaquim, Abad, Enrique, Ignés-Mullol, Jordi, Sagués, Francesc

“…We report a reorientational phenomenon that takes place inside confined smectic-C (SmC) domains in a phase-segregated Langmuir film. Observations of texture…”
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Modulation of the Porphyrin Inner Proton Exchange Rates by the Steric Effects of Bridge Substitution by García-Ortega, Héctor, Crusats, Joaquim, Feliz, Miguel, Ribó, Josep M

“…The tautomeric equilibria and H−N proton transfer taking place in the nonsymmetrically substituted water-soluble…”
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High-resolution NMR of irradiated almonds by Ribo, J.M, Crusats, J, El-Hachemi, Z, Feliz, M, Sanchez-Bel, P, Romojaro, F

“…Electron beam‐irradiated peeled almonds (dose rate <5kGy) were subjected to a sensory test, ESR, and solid state 1H and 13C NMR spectroscopy using an improved…”
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Regioselective Porphyrin Bridge Cleavage Controlled by Electronic Effects. Coupled Oxidation of 3-Demethyl-3-(trifluoromethyl)mesohemin IX and Identification of Its Four Biliverdin Derivatives by Crusats, Joaquim, Suzuki, Akihiro, Mizutani, Tadashi, Ogoshi, Hisanobu

“…This report describes the nonenzymatic oxidative cleavage of the title porphyrin (2) performed with oxygen and ascorbic acid in aqueous pyridine at 37 °C…”
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On the preparation of bilirubins of the natural ? series substituted with a propionic acid residue and a hydroxypropyl group by Crusats, J., Farrera, J. -A., Rib, J. M.

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Self-organized propagation patterns from dynamic self-assembly in monolayers by Claret, Josep, Ignés-Mullol, Jordi, Reigada, Ramon, Sagués, Francesc, Crusats, Joaquim

“…Propagation of localized orientational waves, as imaged by Brewster angle microscopy, is induced by low intensity linearly polarized light inside axisymmetric…”
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