Table 3.
Reports of screen-printed carbon electrodes for glutamate determination.
| Immobilization Technique | Mediator | Assay Time (s) | Lower Linear Range (µM) | Upper Linear Range (µM) | Sensitivity | Applied Potential (mV) | Storage Stability | Reference |
|---|---|---|---|---|---|---|---|---|
| Entrapment with chitosan | Meldola’s Blue | 2 | 12.5 | 150 | 0.44 nA/µM | 100 | N/A | [22] |
| Entrapment with chitosan & MWCNTs | Meldola’s Blue | 20 | 7 | 105 | 0.39 nA/µM | 100 | 100% after two weeks | [24] |
| Drop coated onto surface of CNTs | None | <5 | 0.01 | 10 | 0.72 ± 0.05 μA/μM | 950 | 92% after 24 days | [25] |
MWCNT: Multi walled carbon nanotube. CNT: Carbon nanotubes.