Table 1.

The surface charge and size of different nanoparticle formulations was measured by a zeta sizer instrument in phosphate buffer

Nanoparticle formulations (N = 3)	Zeta potential (mV)	Nano particle size (nm)
NAC-C-ASOND	14 ± 3	224 ± 5
NAP-C-ASOND	16 ± 2	201 ± 10
Chitosan-ASOND	12 ± 2	264 ± 5
NAP-C-DOX	20 ± 3	275 ± 5
NAC-C-DOX	20 ± 3	326 ± 5
Chitosan-DOX	21 ± 2	227 ± 5
NAC-C	23 ± 3	214 ± 10
NAP-C	22 ± 4	188 ± 5
Chitosan	18 ± 2	224 ± 5

Abbreviations: ASOND, antisense oligonucleotide; DOX, doxorubicin; NAC-C, N-acetyl cysteine-chitosan; NAP-C, N-acetyl penicillamine-chitosan.

Notes: Data represent the mean of three replicates in two separate experiments (mean ± SD).