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. 2022 Nov 28;12(52):33936–33944. doi: 10.1039/d2ra06419g

Precision and accuracy of the proposed β-CD-modified AuNPs/EME method for quantification of methadone in plasma samples.

Added concentration (ng mL−1) Intra-day assay (n = 5)a Inter-day assay (n = 5)
RSDb (%) REc (%) RSD (%) RE (%)
5 7.81 8.83 8.71 7.51
15 5.01 −3.42 6.11 −5.73
100 1.77 8.04 2.41 8.31
500 6.01 8.79 11.21 −2.72
a

Number of replicates.

b

Relative standard deviation.

c

Relative error.