Molecularly Imprinted Core-Shell CdSe@SiO2/CDs as a Ratiometric Fluorescent Probe for 4-Nitrophenol Sensing

Table 1 Comparison of the linear ranges and detection limits towards 4-NP for various literature methods

Method	Linear range (μg mL^− 1)	Detection limit (ng mL⁻¹)	Ref.
Cu₂O NP-modified Pt rotating ring-disk electrode	1.39–139	13.9	[50]
Carbon nanotube film electrode	0.14–4.86	16.7	[51]
Graphene–Au composite chemical sensor	0.065–1.5	65	[52]
Hydroxyapatite nanopowder-modified glassy carbon electrode	0.14–4.17	83	[53]
Functionalized mesoporous silica fluorescent sensor	0.5–1.25	101	[54]
MIP-coated GQD fluorescent sensor	0.02–3.00	9.00	[9]
Fe₃O₄ nanoparticle-CdTe quantum dot-MIP composite	1.391–8.346	34.8	[55]
MIP-capped CdTe QDs	0.139–4.17	5.6	[56]
CDs-YVO₄:Eu³⁺@MIPs	0–1.67	20.85	[10]
CdSe@SiO₂/CD/MIP nanohybrid	0.051–13.7	26	This work