Table 1. Comparison of the SERS Detection of Nanoplastics Using Nanoporous Ag NP Film with Previous Literature.

SERS substrate	type of nanoplastics	nanoplastics size (nm)	LOD (μg/mL)	ref
Ag/ZnO@ PDMS	polystyrene	800	25	Zhu et al.54
bifunctional Ag nanowire membrane	polystyrene	50	1000	Yang et al.55
3D-AAO/MoS2/Ag	polystyrene	100		Li et al.18
AuNSs@ Ag@ AAO	polystyrene	400	50	Le et al.56
Ag–Au NPs film	PET	200	10	Carreón et al.44
Ag NP@MgSO4	polystyrene	50	100	Zhou et al.57
nanoporous Ag NPs film	PET, PS	200 nm	0.38	this work
		100 nm	0.98