Table 1.

Summarized properties of Fe₃O₄@C NPs.

davg (nm)	ζ (mV)	Carbon Coating (wt.%)		Saturation Magnetization (emu/g)	Relaxivity (s−1 mM−1)
		TGA 1	EA 2		r1	r2	r2/r1
35.1 ± 1.4	−32.2	48.1	58.04	96.2	0.6	61.9	103.2

¹ Water and air excluded. ² Water and air included.