Table 1 Analytical performance of the biosensors compared with those of ICP-AES and ET-AAS
From: Fluorescent bioassays for toxic metals in milk and yoghurt
Biosensors | Traditional analytical method1 | |||||||
|---|---|---|---|---|---|---|---|---|
LOD | Detection range | LOD | Detection range | |||||
Milk (μg/l) | Yoghurt (μg/kg) | Milk (mg/l) | Yoghurt (mg/kg) | Milk (μg/kg) | Yoghurt (μg/kg) | Milk (mg/kg) | Yoghurt (mg/kg) | |
External As (III) | 10 | 10-100 | 100 | 100 | ||||
External Cd (II) | 5 | 5-100 | 5 | 5-100 | ||||
Intrinsic Zn (II) | 1.4-4.8 | 1.2-2.9 | 1.4-2.4 | 2.5-4.7 | ||||