As shown in Fig. 5(a), the results obtained from the NANOPOX (NX0064) particle size analyzer, 50% of the
particles were below 22.81 nm, whereas in graph (b) 50% of particles were below 29.09 nm. 90% of particles in graph (a)
were below 24.23 nm, whereas 90% of graph(b) particles were below 34.89.