Table 2.

Summary of ROS inducers in the treatment of tumors.

Inducer type	Inducer component	ROS type	Delivery system	Ref
Photosensitizers	Ce6	1O2	Nanoshell of Fe3O4@P-NPO/PEG-Glc	[41]
			Magnetic gold nanoheterostructures	[42]
	Indocyanine green (ICG)	1O2	Hepatitis B core protein virus-like particle (HBc VLP)	[43]
			Lipidosome	[44, 45]
	Graphitic carbon nitride (g-C3N4)	1O2, ·OH	Cu2+ and graphitic carbon nitride nanosheets	[46]
	Black phosphorus	1O2	Organic framework (MOF)	[47, 48]
			MnO2-laden black phosphorus nanostructure	[49]
Sonosensitizers	Rose Bengal	1O2	Microbubbles	[50]
	Semiconductor ZnO	1O2, ·OH	Defect-rich gadolinium (Gd) nanobullet	[51]
Liquid metal	Eutectic gallium−indium alloy	·OH, ·O2	Mesoporous ZrO2 nanoparticles	[52]
Fenton catalyst	Iron ions	·OH	Amorphous iron nanoparticles (AFeNPs)	[53]
			Dendritic mesoporous silica NPs	[54]
	Copper sulfide	1O2, ·OH	Manganese dioxide nanoparticles	[55]
	CuI	·OH	Cu2(OH)PO4 nanocrystals	[56]
	Mn2+	·OH	Manganese-doped calcium phosphate nanoparticles	[57]