The average hydrodynamic size of apoferritins and magnetoferritins (0.5 mg mL⁻¹) in 0.1 M NaCl after heating (control group, 100 °C, and 110 °C) for 30 min^a.

Sample (0.5 mg mL−1)	HD before heating (nm)	HD after heating at 100 °C (nm)	HD after heating at 110 °C (nm)
HFn	12.1	3.5	2.2
PfFn	13.3	13.3	13.4
PcFn	13.9	15.5	16.0
M-HFn5000	13.6	3.1/29.5	2.6/39.8
M-PfFn5000	15.3	16.8	17.3
M-PcFn5000	15.5	17.3	17.3

^aHD: hydrodynamic diameter.