2.5.1. Particle Size and Zeta Potential

The average particle size and zeta potential of the NC in aqueous suspensions were determined using a Nanobrook ZetaPlus Potential Analyzer (Brookhaven Instruments Corporation, Holtsville, NY, USA) under the following conditions: 1.3328 water refractive index, 90◦ angle, and 25 ◦C.
