Table 3. TEM analysis of zebrafish models.

Nano-particle	Method	Concentration	Treatment time	Observation time	Ref.
S-TiO2	Suspension	100 ppm	4–6 hpf	120 hpf	[26]
AgNP	Suspension	4 and 16 mg/l	1 hpf	48 hpf	[66]
Ag-loaded alumina, Au-loaded alumina, Pt-loaded alumina	Suspension	100, 200, 500, 1000 μg/ml	6 hpf	96 hpf	[102]