Table 1: Quantification results found in the more adequate linear range by addition of ONOO- to the co-doped S,N-CDs and of ClO- to the co-doped P,N-CDs*.
S,N-CDs (mCA = 1/mUR = 1/mCys = 1) | ||||||
---|---|---|---|---|---|---|
y = a + b × | b = -7.83 ± 0.14; a = -22.87 ± 12.69; m = 7 | |||||
sy/x = 25.72; r = 0.9991 | ||||||
LR -2.5-200 µM; LD = 1.34 µM | ||||||
[ONOO-] (µM) | Standard solutions | Spiked serum samples (100 ×) | ||||
Expected | 10 | 25 | 50 | 10 | 25 | 50 |
Estimated | 9.95 ± 9.29 | 20.15 ± 9.19 | 43.75 ± 9.05 | 7.30 ± 9.32 | 17.45 ± 9.21 | 42.24 ± 9.05 |
Recovery (%) | 99.55 | 80.56 | 87.49 | 72.99 | 69.80 | 84.68 |
P,N-CDs (mCA = 3/mUR = 1/mP = 1) | ||||||
y = a + b × | b = -5.02 ± 0.08; a = -19.43 ± 4.01; m = 5 | |||||
sy/x = 6.05 ; r = 0.9996 | ||||||
LR -5-100 µM; LD = 1.80 µM | ||||||
[ClO-] (µM) | Standard solutions | Spiked serum samples (100 ×) | ||||
Expected | 10 | 25 | 50 | 10 | 25 | 50 |
Estimated | 9.99 ± 4.42 | 24.61 ± 4.25 | 53.731 ± 4.27 | 6.29 ± 4.48 | 11.79 ± 4.40 | 19.42 ± 4.30 |
Recovery (%) | 99.88 | 98.45 | 107.461 | 62.94 | 47.16 | 38.85 |
*a-Intercept: sa-Intercept standard deviation; b-Slope: sb-Slope standard deviation; sy/x-Residuals standard deviation; r-Linear correlation coefficient; m-Number of calibration points; LR-Linear Range; LD-Limit of Detection evaluated by the s of five determinations of a blank.