Different examples of SeNPs-based biosensors.

Detected analytics	Nanoparticle component	Nanoparticle size (nm)	Limit of detection (LOD)	Linear range of detection	Sensitivity	Ref.
H2O2	Bacillus subtilis produced crystalline SeNPs	50–400	8 × 10−8 M	0.8 × 10−8–10−5 M	Undefined	129
H2O2	Bacillus pumilus sp produced SeNPs	20–80	3 μM	5–600 μM	16.54 μA mM−1 cm−2	130
H2O2 Xanthanide	Se doped C3N4 nanosheets	20	1.6 × 10−5 (H2O2), 1.6 × 10−8 mol L−1 (Xanthanide)	1.6 × 10−5 to 4 × 10−3 mol L−1 (H2O2), 1.6 × 10−7 to 4.0 × 10−5 mol L−1 (Xanthanide)	Undefined	131
Heavy metals	Stenotrophomonas aidaminiphila produced SeNPs	35–40	Undefined	0.01–2 mM	Undefined	132
Heavy metals	Stabilizer-based SeNPs	40 nm (BSA-SeNPs), 70 nm (CS-SeNPs), 60 nm (SA-SeNPs)	0.12 uM	0.1 to 2.5 μM	Undefined	133
Glucose	Selenium crosslinked to MCM-41	Undefined	1  ×  10−4 M	0.01–2 mM	0.34 A·mM−1	134
Glucose	Poly(BseTT) composite attached to PyOx	Undefined	3.3 × 10−4 nM	0.02–0.5 mM	6.4 nA mM−1 cm−2	135
Glucose	CuSeNPs combined with GO	10	0.05 mM	0.1–3.375 mM	536 μA mM−1 cm−2	136
Glucose	CuSe thin film on a carbon cloth	Undefined	196 nM	100 nM to 40 μM	19.419 mA mM−1 cm−2	128