Novel Eco-Friendly Synthesis of Biosilver Nanoparticles as a Colorimetric Probe for Highly Selective Detection of Fe (III) Ions in Aqueous Solution

Table 1

Comparison of the proposed method using bio-AgNP GTE with some other methods investigated in the literature for detection of Fe (III) ions.

Functional nanomaterials	Capping agent	Detection mechanism	Linear range	LOD (M)	Ref.
AgNPs	N-acetyl-L-cysteine-stabilized	Colorimetric sensor	0.08-80 μM	80 nM	[56]
ZnSe quantum dots	Thioglycolic acid	Colorimetric sensor	0-50 mM	2.2 mM	[51]
AuNPs; (26-30 nm)	Pyrophosphate (P2O7^4 -AuNPs)	Colorimetric sensor	10-60 μM	5.6 μM	[55]
AuNPs; 100 nm	Cetyltrimethylammonium bromide (CTAB)	Raman spectroscopic	100-10000 ppb	100 ppb	[67]
Graphitic carbon; 9 nm		Fluorescent sensor	2 nM-5 μM	2 nM	[68]
Graphene quantum dots. (GQDs); 3 nm	(1-butyl-3-methylimidazolium hexafluorophosphate (BMIMPF^6)	Fluorescent sensor	0-400 μM	7.22 μM	[69]
Graphene quantum dots (GQDs); 3.8 nm	Nitrogen-doped (N-GQDs)	Fluorescent sensor	1-1945 μM	90 nM	[70]
Graphene quantum dots (GQDs); (2-4 nm)	p-toluenesulfonate; S-GQDs	Fluorescent sensor	0.01-0.70 μM	4.2 nM	[71]
Bio-AgNP GTE; 23 nm	Epigallocatechin gallate (EGCG)	Colorimetric sensor	1-25 μM	0.532 μM	This work