|
| Analyte | Amount of liquid sample | Magnetic material coating | Eluent volume | Eluent | Technique | Limit of detection | Recovery | References |
|
Chloramphenicol
(honey) | 20.0 mL | MMIP(Fe3O4@SiO2)-chloramphenicol-oleic acid-ethylene glycol dimethacrylate | 1.0 mL × 3 | Methanol-1.0% acetic acid | LC-MS/MS | 0.047 ng/g | 84.3–90.9% | [54] |
|
Fluoroquinolones
(honey) | 10.0 mL | Fe3O4-one-dimensional polyaniline | 1.0 mL | Acetone-1.0% formic acid | HPLC-FLD | 0.4–1.4 ng/g | 86.3–121.3% | [56] |
|
Tetracycline
(eggs) | 20.0 mL | MMIP-Fe3O4-oxytetracycline-methacrylic acid-styrene and divinylbenzene | 3.0 mL × 3 | Methanol-0.5% acetic acid | LC-MS/MS | Less than 0.2 ng/g | 72.8–96.5% | [53] |
|
Malachite green
(water and fish tissues) | 100.0 mL | Melamine supported magnetic iron oxide nanoparticles (Fe3O4@Mel) | 2.0 mL | Acetic acid 4 mol/L | UV-Vis | 0.05 mg/mL | 90.05–107.8% (water)
87.5–103.7% (fish) | [43] |
|
Malachite green
(fish tissues) | 5.0 mL | MMIP(Fe3O4@SiO2)-ethylene glycol dimethacrylate | 1.0 mL | Methanol/acetic acid (9 : 1,v/v) | Electrochemiluminescence
(ECL) | 7.3 ng/kg | 77.1–101.2% | [42] |
|
Lead
(water and fish) | 100.0 mL | CaFe2O4-3-aminopropyltriethoxysilane-phthalic anhydride | 3.0 mL | Nitric acid
1.0 mol/L | AAS | 0.78 µg/L | 100.0% (water)
94.5% (fish) | [33] |
|
Mercury
(fish) | 100.0 mL | Mercury(II) imprinted polymer-N-(pyridin-2-ylmethyl)ethenamine (V-Pic)-Fe3O4 | 5.0 mL | Hydrochloric acid/EDTA 0.1 mol/L | ICP-OES | 0.03 ng/mL | 98.2–103.0% | [32] |
|
Silver, cadmium, copper, mercury, and lead
(tune fish) | 50.0 mL | Ethylene glycol
bismercaptoacetate modified 3-(trimethoxysilyl)-1-propanethiol@Fe3O4 nanoparticles | 1.0 mL | Hydrochloric acid
1 mol/L
(5% thiourea) | ICP-OES and AAS | 0.01–0.09 ng/mL | 95.4–99.8% | [37] |
|
