Phytase production by Rhizopus microsporus var. microsporus biofilm: characterization of enzymatic activity after spray drying in presence of carbohydrates and nanoconventional adjuvants - Sato, Vanessa Sayuri; Jorge, João Atílio; Oliveira, Wanderley Pereira de; Souza, Claudia Regina Fernandes; Guimarães, Luis Henrique Souza (Journal of Microbiology and Biotechnology, 2014)