Sample	Av. crystallite size (nm)	core size (nm)	Morphology	type of polymer	Coordination complex	stability constant	Zeta potential (mV)	Fe²⁺ (conc/mM)	Ms (emu/g)	SAR (W/g)
Bare-MNPs	21.3		spherical shape	/////////	/////////	//////////	39.6	0.072	55.8	3	desirable for hyperthermia
PEG 200	15.5	10 - 20	spherical shape	non ionic polymer	/////////	//////////	//////////	0.072	69.5	2.3
PEG 600	13.8	10 - 20	spherical shape	non ionic polymer	/////////	//////////	//////////	0.072	//////////	2.7	desirable for hyperthermia
PEG 6000	11	10 - 20	spherical shape	non ionic polymer	/////////	//////////	−17.4	0.072	38.1	4.5	desirable for hyperthermia
PSSS 300,000	18.3 (γ-FeOOH)	100 - 200 (needle)	spherical + neddle	anionic polymer	${FeSO}_{4}^{+}$	2.56	//////////	0.033	//////////	3
PSS 500,000	14.4	100 - 200 (needle)	spherical + neddle	anionic polymer	${FeSO}_{4}^{+}$	2.56	//////////	0.017	//////////	2.2
PAA 5000	11.4 (γ-FeOOH)	100 - 200 (needle)	spherical + neddle	anionic polymer	Fe(CH₃COO)²⁺	3.38	//////////	0.042	//////////	0.2
PAA 25,000	8.5	100 - 200 (needle)	spherical + neddle	anionic polymer	Fe(CH₃COO)²⁺	3.38	//////////	0.065	//////////	0.49
PEI 600	19.3		spherical + neddle	cationic polymer	//////////	//////////	//////////	0.038	55.9	2.3
PEI 1800	Not measured (α-FeOOH)	the largest spherical size	spherical + neddle	cationic polymer	//////////	//////////	//////////	0.049	8.73	0.29
PEI 10,000	Not measured (α-FeOOH)		neddle	cationic polymer	//////////	//////////	//////////	0.06	0.885	0.49