Table 4.

Amount of iron in each product by atomic absorption spectroscopy (AAS)

NPs	Fe ( µ g/ml)
P@SPI	56 ± 5.1
PS 5%-PNC@SPI	64 ± 3.0
PS 10%-PNC@SPI	80 ± 2.4

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