Table 1.

Summary of PNC and PPT properties

	PNC	PPT
Particle size	Lengtha: 310 ± 86 nm; Widtha: 65 ± 10 nm z-averageb: 258 ± 28.1 nm	Lengthc: 11.5 ± 2.2 μm; Widthc: 2.0 ± 0.4 μm
Zeta potentiald	−5.51 ± 0.42 mV	−3.08 ± 0.98 mV

^aEstimated by SEM; based on 50 measurements with ImageJ

^bMeasured by a zeta sizer (DLS); average and standard deviation of 8 independently prepared batches

^cEstimated by light microscopy; based on 50 measurements with ImageJ

^dMeasured by a zeta sizer; average and standard deviation of 5 independently prepared batches