Table 2.

Selected examples of theranostic nanoagents

Nanoagents	Imaging methods	Therapeutic effects	Ref
MnO2 NPs	MRI	Hypoxia relief; immunomodulation; Fenton reaction	67
Gd-based NPs	MRI	Radio-sensitization; Gd-NCT	100
AuNPs	PAI; CT; SERS	PTT; radiotherapy	101
Iron oxide NPs	MRI; MPI	Ferroptosis; chemodynamic therapy; magnetic hyperthermia	102
Other heavy metal oxide-based NPs	CT	PTT; radiotherapy	103
Ag2S QDs	NIRF	PTT	104
Polydopamine	Thermal image; PAI	PTT	105
AIEgen	Photoluminescence imaging	PDT	106
Theranostic radio-isotopes-labeled NP	SPECT or PET	Radiotherapy	107

NPs: nanoparticles; Gd-NCT: gadolinium-neutron capture therapy; SERS: surface-enhanced Raman scattering; MPI: magnetic particle imaging; QDs: quantum dots; NIRF: near-infrared fluorescence; AIEgen: aggregation-induced emission luminogens; Theranostic radionuclides: ⁴⁷Sc, ⁶⁴Cu, ⁶⁷Cu, ⁶⁷Ga, ⁷⁷As, ¹¹¹In, ^117mSn, ¹²³I.