Classification	Materials	Activity	Application	References
Metal-based	Au	POD	Biosensing	[52]
		OXD	Biosensing	[53]
		CAT	Antioxidation	[54]
	Au–NH2	CAT	Antioxidation	[55]
	Pt	CAT, SOD	Antioxidation	[56]
	Pd	CAT, SOD	Antioxidation	[57]
	Cu	POD	Biosensing	[58]
	Au@Pt	POD	Biosensing	[59]
		POD, OXD	Biosensing	[60]
	Au–Pt	POD	Biosensing	[61]
Metal oxide-based	Fe3O4	POD	Cancer therapy	[62]
	CuxO	CAT, SOD	Antioxidation	[63]
		CAT, SOD	Antioxidation	[64]
	MnO2	CAT, SOD	Antioxidation	[65]
		POD, OXD	Biosensing	[66]
	Mn3O4	CAT, SOD	Antioxidation	[67]
	Co3O4	POD	Biosensing	[68]
		POD, CAT	Biosensing	[69]
	MoO3	OXD	Biosensing	[70]
	V2O5	OXD	Antioxidation	[71]
	CeO2	CAT, SOD	Antioxidation	[72]
		CAT, SOD	Antioxidation	[73]
MOF-based	Fe-MOF	POD	Biosensing	[74]
		POD	Antibacterial	[75]
	Cu-MOF	POD	Biosensing	[76]
		SOD	Antioxidation	[77]
		SOD	Biosensing	[78]
	Co-MOF	OXD	Biosensing	[79]
	Ce-MOF	OXD	Biosensing	[80]
		SOD	Antioxidation	[81]
	Pt-MOF	CAT	Cancer therapy	[82]
		CAT, SOD	Antioxidation	[83]
Carbon-based	Graphene oxide	POD	Biosensing	[84]
	Graphene quantum dots	POD	Antibacterial	[85]
	Graphene oxide quantum dots	CAT	Antioxidation	[86]
	Carbon dots	SOD	Antioxidation	[87]
		SOD	Antioxidation	[88]
	FeN4-SAzyme	POD	Biosensing	[89]
		POD	Biosensing	[90]
		OXD	Biosensing	[91]
		POD, OXD	Cancer therapy	[92]
		CAT, SOD	Antioxidation	[93]
	FeN5-SAzyme	POD	Cancer therapy	[94]
		OXD	Antibacterial	[95]
	ZnN4-SAzyme	POD	Antibacterial	[96]
		POD	Cancer therapy	[97]
	CoN4-SAzyme	CAT, SOD	Antioxidation	[98]
	CuN4-SAzyme	CAT, SOD	Antioxidation	[99]
	PdN4-SAzyme	POD, OXD	Cancer therapy	[100]