Table 2. Size (nm), D90 (nm), and Concentration of NorChit-NP Produced with Different NorChit Concentrations (1.5, 2, and 2.5 mg/mL) Determined by NTA^a.

NorChit solution	NorChit-NP
concentration (mg/mL)	size (nm)	D90 (nm)	concentration (1011 NP/mL)
1.5	107 ± 55	164	2.2 ± 0.2
2.0	83 ± 54	119	2.8 ± 0.4
2.5	81 ± 51	128	2.7 ± 0.3

^aD90: the portion of the NP with diameters below this value is 90%.