Ion exchange in zwitterionic micelles. Rates effects on hydrolysis and quenching of fluorescence in 1 - (n-docecyl n, n' dime thylammonium) propane - 1 - sulfonate - Chaimovich Guralnik, Hernan; Brochsztain, Sérgio; Cuccovia, Iolanda Midea; Berci Filho, Pedro; Toscano, Vicente Guilherme; Politi, Mário José (Anais da Academia Brasileira de Ciencias, 1987)