Table 2 B, N co-doping CQDs quenched by hydroquinone, resorcinol, para aminophenol, and hexane.

From: Pure and doped carbon quantum dots as fluorescent probes for the detection of phenol compounds and antibiotics in aquariums

Phenol derivatives & organic solvent

Linear regression equations

Correlation coefficient R2

Linear range µM

Limit of detection (LOD)

Hydroquinone

Io/I = 0.0714[Q] + 2.751

0.9896

5–500

0.050 µM

Resorcinol

Io/I = 0.0164[Q] + 1.2842

0.9773

5–500

0.024 µM

Para aminophenol

Io/I = 0.0152[Q] + 2.6244

0.9815

5–500

0.032 µM

Hexane

Io/I = 0.0341[Q] + 3.807

0.962

5–500

0.013 µM

  1. The detection limit is defined by the equation LOD = 3δ/S where δ is the standard deviation (n = 10), and S is the slope of the calibration plot.
Back to article page