Search Results - "Rubires, R."

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…”
Get full text

Chiral Selection When Stirred, Not Shaken by Matteson, Donald S., Ribó, J. M., Crusats, J., Saguès, F., Claret, J., Rubires, R.

Get full text

Stirring Effects on the Spontaneous Formation of Chirality in the Homoassociation of Diprotonated meso-Tetraphenylsulfonato Porphyrins by Rubires, Raimon, Farrera, Joan-Anton, Ribó, Josep M.

“…Homoassociates of the achiral title porphyrins in acid solutions show spontaneous symmetry breaking, which can be detected by circular dichroism (CD). The CD…”
Get full text

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…”
Get full text

A kinetic study by NMR of the benzoin condensation catalyzed by thiazolium salts in mild basic conditions: a second order process in both aldehyde and pre-catalyst by López-Calahorra, Francisco, Rubires, Raimon

“…A kinetic study of the benzoin condensation catalyzed by thiazolium cations in mild basic conditions monitored by 1H-NMR shows that the reaction is a complex…”
Get full text

Self-assembly to ordered films of the homoassociate solutions of the tetrasodium salt of 5,10,15,20-tetrakis(4-sulfonatophenyl)porphyrin dihydrochloride by Ribó, Josep M., Rubires, Raimon, El-Hachemi, Zoubir, Farrera, Joan-Anton, Campos, Lourdes, Pakhomov, Georgi L., Vendrell, Mario

“…Films were obtained from the evaporation on flat glass substrates of homoassociate water solutions of the title porphyrin. The films of 1 were characterized by…”
Get full text