Smart Magnetically Responsive Hydrogel Nanoparticles Prepared by a Novel Aerosol-Assisted Method for Biomedical and Drug Delivery Applications

Table 1

Different compositions and particle size of the developed magnetic hydrogel nanoparticles.

Formulation code	Polymer aq. solution (2% w/v)		Crosslinking fluid		Particle size, (d, nm) ±SD
	Alginate (w%)	G-block (w%)	CaCl2 (0.2 M)	CaCl2/PEG-g-Cs (1 : 1)	^1Dry (DLS)	^2Dry (LM)	^2Swelled (LM)
IA	100	00	^†	−	936 ± 40	852 ± 145	1546 ± 84
IB	100	00	−	^†	926 ± 13	811 ± 105	1498 ± 102
IIA	80	20	^†	−	811 ± 162	770 ± 122	1571 ± 61
IIB	80	20	−	^†	929 ± 12	794 ± 177	1427 ± 179
IIIA	70	30	^†	−	941 ± 2	855 ± 89	1640 ± 75
IIIB	70	30	−	^†	886 ± 2	800 ± 152	1592 ± 126

¹Determined using DLS. ²Estimated using light microscopy (LM).