| I class < 10 nm | II class 10–20 nm | III class 20–30 nm | IV class 30–40 nm | V class 40–50 nm | VI class 50–60 nm | VII–X classes 60–100 nm |
---|---|---|---|---|---|---|---|
% of MNPs in purified suspension | 16 | 28 | 20 | 12 | 10 | 8 | 6 |
Thickness of the shell, nm | 1.3 ± 1.1 | 2.0 ± 0.2 | 1.9 ± 0.4 | 2.7 ± 0.6 | 2.7 ± 1.2 | 3.2 ± 1.2 | 3.7 ± 0.7 |