. 2019 Mar 13;9(3):429. doi: 10.3390/nano9030429

Table 1.

Performance comparison of different sensors for 4-nitrophenol (4-NP) detection.

Sensor	Sensitivity (μA/μM)	Repeatability (RSD%)	Fabrication Reproducibility (RSD%)	Storage Stability	Interferences	Recoveries for Samples (%)	Reference
^a pDAT@ERGO/GCE	0.0639; 0.0117	-	3.54	30 days	-	97.8–102.4	[9]
^b PCZ@N-GE/GCE	0.6549	-	3.5	5 days	2-nitrophenol, 3-nitrophenol	97.9%-104.5	[10]
^c rGO-Ag/GCE	19.83	-	-	7 days	-	99.7–102.3	[11]
^d GR-AuNP/GCE	0.1134	3.9	-	7 days	2-nitrophenol, 2,4,6-trinitrophenol	97.76–103.85	[12]
^e MWNT–Nafion/GCE	-	3.4	4.0	24 h	3-nitrophenol, 2,4-dinitrophenol, Cu²⁺, Pb²⁺, Fe³⁺	102.6–104.6	[13]
^f CHT-ZnO NDs/SPCE	0.1255	-	3.17	15 days	-	96.53–103.03	[14]
^g PMO/GCE	0.0819	-	3.1	10 days	Zn²⁺, Fe²⁺, Cu²⁺, phenol, 2-nitrophenol, 3-nitrophenol, 2,4-dinitrophenol, 4-chlorophenol, 2-chlorophenol, catechol, aniline	99.2–100.9	[15]
^h OMCs/GCE	0.156	-	-	3 weeks	-	97.2–98.8	[16]
ⁱ CD–SBA/CPE	0.2465	0.91	-	-	cetyl trimethyl ammonium bromide, cetylpyridinium bromide, sodium dodecyl sulfonate, phenol, dihydroquinone	-	[17]
^j HA-NP/GCE	0.0295	-	3.54	30 days	phenol, 2-nitrophenol, hydroxyphenol	95.86–104.38	[18]
^k Gr-Chit/ABPE	1.4807; 0.9264	1.17	5.04	10 days	-	96.0–103.5 %	[19]
GR/ABPE	2.717, 1.8117	2.75	4.2	30 days	2-nitrophenol, 3-nitrophenol	97.4–103.5	This work

^a Electrochemical polymerized 3,5-diamino-1,2,4-triazole@electrochemically reduced graphene oxide composite film modificated on glassy carbon electrode; ^b polycarbazole/N-doped graphene modified glassy carbon electrode; ^c reduced graphene oxide-silver nanocomposite modified glassy carbon electrode; ^d graphene–gold nanocomposite film modified modified glassy carbon electrode; ^e gold nanoparticles modified pretreated graphite pencil electrode; ^f chitosan crafted zinc oxide nanoneedles modified screen printed carbon electrode; ^g poly(methyl orange) modified screen printed carbon electrode; ^h ordered mesoporous carbons modified glassy carbon electrode; ⁱ β-cyclodextrin-functionalized mesoporous silica (SBA-15) modified glassy carbon electrode; ^j hydroxyapatite nanopowder modified glassy carbon electrode; ^k graphene-chitosan composite modified acetylene black paste electrode.