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Table 1 Physical characterisation of PMA-IONs and PMA-IONs-loaded hydrogels (mean ± SD, n = 3)

From: Impact of semi-solid formulations on skin penetration of iron oxide nanoparticles

Formulation

Dh (nm)

PDI

ξ (mV)

pH

PMA-IONs

31 ± 4

0.15 ± 0.04

−64.80 ± 4.91

7.0

HEC

29 ± 15

0.44 ± 0.05

−42.17 ± 1.68

5.0

CMC

47 ± 7

0.54 ± 0.03

−79.77 ± 2.00

6.5

CP

52 ± 4

0.29 ± 0.04

−72.83 ± 5.25

6.0

  1. HEC hydroxyethyl cellulose, CMC sodium carboxymethyl cellulose, CP carbomer 974P