2.3. Physical and morphologic characterization of BSA/laccase micro-emulsions
The zeta-potential and size distribution of micro-emulsions were determined at 25 ± 0.1◦C using a Malvern zeta-sizer NS (Malvern Instruments) by electrophoretic laser Doppler anemometry and DLS, respectively. The morphologic characterization was evaluated using the transmission electron microscopy (TEM) technique.