Table 1.

Size and zeta potential of nanoparticles (NPs; n=3)

Formulation	Particle size (nm)	PDI	Zeta potential (mV)
NPs	104.5±4.0	0.141±0.016	−24.1±1.3
TNPs	106.6±6.2	0.157±0.015	−22.5±1.9
DiR NPs	109.9±5.4	0.166±0.027	−23.4±1.1
DiR TNPs	113.2±4.8	0.167±0.010	−22.9±1.3
Coumarin 6 NPs	108.2±3.3	0.169±0.017	−23.9±1.8
Coumarin 6 TNPs	110.1±3.7	0.170±0.020	−23.3±1.9
PTX NPs	112.3±5.7	0.172±0.006	−21.9±2.5
PTX TNPs	115.5±5.9	0.201±0.011	−20.4±2.1

Abbreviations: PDI, polydispersity index; CREKA, cysteine–arginine–glutamic acid–lysine–alanine; TNPs, CREKA-conjugated NPs; DiR, 1,1′-dioctadecyl-3,3,3′,3′-tetramethylindotricarbocyanine iodide; PTX, paclitaxel.