Table 1.
Some representative examples of optical sensing with QDs immobilized in solid hosts.
| QD-coating | Matrix | measurand | Mechanism | Features | platform | REF |
|---|---|---|---|---|---|---|
| CdSe | SiO2Sol-gel, PLMA | Temperature | luminescence quenching and bandgap shift; | 100-315 K, 0.1 nm/K | glass slides | [91] |
| CdSe | PMMA | Methanol and toluene | luminescence quenching and enhancement | Selectivity, PCA | glass slides | [98] |
| CdSe-ZnS | Acrylic (nanospheres) | K+, Cl- | FRET with chromophores and luminophores | Dual sensing | latex microspheres | [101] |
| CdSe-CdS | PVC/DOS | Na+ | Ion exchange and energy transfer | Selectivity | microspheres | [102] |
| CdSe-ZnS | MIP | Caffeine | luminescence quenching; | Selectivity | grinded polymer | [103] |
| CdSe-ZnS | polystyrene | IgG | affinity binding with labelled goat antihuman IgG | QDs used for color coding | polymer microbeads | [121] |