Table 1 Physicochemical characteristics of stabilized s-MNPs and their complexes with SOD1a.

From: Enzyme Release from Polyion Complex by Extremely Low Frequency Magnetic Field

Sample

DHD, nm

PDI

ζ-potential, mV

MNP/PLL10-PEG

84 ± 12

0.24 ± 0.07

36.5 ± 0.3

MNP/PLL50-PEG

82 ± 12

0.23 ± 0.01

38.0 ± 1.0

MNP/PLL100-PEG

98 ± 10

0.29 ± 0.04

44.5 ± 2.0

MNP/PLL50-PEG/SOD1

108 ± 2

0.20 ± 0.03

29.8 ± 0.5

MNP/PLL100-PEG/SOD1

113 ± 3

0.19 ± 0.01

27.1 ± 1.0

  1. aAll measurements were carried out at RT in 0.1 mM HEPES buffer, pH 7.4. For all s-MNPs samples the Fe3O4 concentration of was 10 µg/mL. For s-MNPs/SOD1 complexes the Fe3O4 concentration was 11.5 µg/mL. Data are presented as mean ± SD (n = 3).
Back to article page