Table 6.
Analyte | Electrode/Modification | Receptor | Matrix/Solvent | LOD | Linear Range | Ref. |
---|---|---|---|---|---|---|
WBC | Microporous paper with pattered gold microelectrodes | Ferrocyanide electrochemical probes | Pharmaceutical preparation | 195 WBC/μL | 1.5 × 102–1.5 × 104 WBCs/μL WBC/μL |
[171] |
CD4+ T lymphocyte | Magneto-actuated biosensor | AntiDC3 antibodies | Whole blood | 44 cells/μL | 89–912 cells/μL | [173] |
CD4+ T lymphocyte | Densely packed working electrode pixels | Anti-human CD4+ antibody | Pharmaceutical preparation | – | – | [174] |
CD4+ T lymphocyte | Single walled carbon nanotube electrodes | CD4 antibody | Pharmaceutical preparation | 100 cells/mL | 102–106 cells/mL | [175] |
CD4+ lymphocyte | Gold-coated quartz crystal microbalance | Anti CD4+ antibody | Pharmaceutical preparation | – | – | [176] |