Table 2. Yield, Particle Size, PDI, and Zeta Potential Results of 4N-TIB Nanosuspensions.

Variables	Particle Size (nm)	PDI	Zeta Potential (mV)	4N-TIB Nanosuspension Yield (%)
Freshly prepared	405.4 ± 5.96	0.168 ± 0.009	-14.8 ± 0.869	92.1 ± 3.25
After 12 months	412.3 ± 9.63	0.189 ± 0.012	-15.4 ± 0.211	91.8 ± 4.42