Table 1.

Properties including hydrodynamic size, Zeta potential, surface CXCR4 and CD90 density and Young’s modulus of SNs and MCSNs

	PEGylated soft SNs	PEGylated hard SNs	Soft MCSNs	Hard MCSNs
Hydrodynamic size (Diameter, nm)	206.2	224.9	224.8	240.5
Zeta potential (mV)	−1.89	−0.75	−25.8	−23.7
Normalized CXCR4 density	N/A	N/A	1.134	1
Normalized CD90 density	N/A	N/A	1.236	1
Young’s modulus (GPa)	0.0437	2.3	0.0440	2.3