Table 2.

Concentration of PEI polymer in synthesized products

Sample	P@SPI	PS 5%- PNC	PS 10%- PNC	PS 5%- PNC@SPI	PS 10%- PNC@SPI
PEI (µg/100 µl)	65.81	72.30	11.38	30.54	68.61

PEI: Polyethyleneimine; P@ SPI: PEI-SPION; PS 5%-PNC: PEI-SPDP-5% Peptide; PS 10%-PNC: PEI-SPDP-10% Peptide; PS 5%-PNC@SPI: PEI-SPDP-5% Peptide-SPION; PS 10% -P NC@SPI: PEI-SPDP-10% Peptide-SPION