Table 2 Nanoparticles for H ₂ O ₂ detection

Peroxalate nanoparticles

Chemiluminescence imaging

[29, 55–57]

FPOC NPs

Chemiluminescence imaging;

[62]

CF-SPN

Chemiluminescence imaging; Ratiometric imaging

[58]

TiO₂ nanorods

Confocal microscopy; HRP-catalyzed oxidation

[63]

NanoPEBBLE

Confocal microscopy; Hydrophobic Ormosil Nanoparticles

[64]

HRP-loaded PEG hydrogel spheres

Fluorescence imaging; Oxidized fluorophores such as Amplex Red becoming fluorescence.

[65]

SWNT

Photoluminescence detection; Single molecule sensitivity

[59–61]

Fe₃O₄

Magnetic Nanoparticles

[66, 67]

Gold (Au) Nanodot

Luminescence quenching

[68]

Cyclometalated Iridium(III)

Phosphorescent probe

[69]