Table 1.

Characterization of various nanoparticle formulations by DLS and LC/TOF MS.

Formulations	Particle size (nm)	PDI	Zeta potential (mV)	Loading efficiency (%)
Empty P4C6 nanoparticles	84 ± 8	0.22 ± 0.01	−40.8 ± 8.8	N/A
PTX-CPT-P4C6	119 ± 13	0.21 ± 0.01	−35.4 ± 4.2	3.88 ± 0.86 (PTX) 8.79 ± 0.28 (CPT)
PTX-P4C6	121 ± 13	0.26 ± 0.05	−39.8 ± 9.2	4.93 ± 0.51
CPT-P4C6	130 ± 18	0.22 ± 0.07	−36.6 ± 6.8	11.5 ± 2.8