Table 1.
Sample Set | Validation Parameters | DON | AFB1 | ||||
---|---|---|---|---|---|---|---|
LFD Wheat |
ELISA Wheat |
FPIA Wheat |
LC-HRMS Wheat |
LFD Maize |
LC-HRMS Wheat |
||
negative samples | mean response (µg/kg) | 0 | 23 | 168 | n.a. | 0.3 | n.a. |
SD repeatability (µg/kg) | n.a. | 43 | 52 | n.a. | 0.3 | n.a. | |
SD intermediate (µg/kg) | n.a. | 43 | 52 | n.a. | 0.3 | n.a. | |
rate of false suspect (%) | <0.1% | <0.1% | <0.1% | <0.1% | <0.1% | <0.1% | |
positive samples | STC(µg/kg) | 1600 | 1600 | 1600 | 1600 | 10.6 | 2.0 |
mean response (µg/kg) | 1106 | 1417 | 1833 | 1397 | 8.8 | 2.9 | |
SD repeatability (µg/kg) | 53 | 301 | 186 | 117 | 0.6 | 0.8 | |
SD intermediate (µg/kg) | 72 | 429 | 190 | 142 | 1.4 | 1.0 | |
RSD repeatability (%) | 4.8 | 21 | 10 | 8.4 | 7.2 | 28 | |
RSD intermediate (%) | 6.5 | 30 | 10 | 10 | 16 | 33 | |
cut off (µg/kg) | 981 | 674 | 1504 | 1151 | 6.4 | 1.2 |
n.a. not applicable—returned value for blank “not detected” or “zero” by default.