Table 1 Comparison of LODs for detection of different proteins by different transducer platforms
From: Low limit of detection of the AlGaN/GaN-based sensor by the Kelvin connection detection technique
Transducer | Bioprobe | Target molecule | LOD | Refs. |
|---|---|---|---|---|
AlGaN/GaN | Anti-BNP on microbeads | BNP | 97 fg/mL | This work |
Screen-printed carbon electrodes | Peroxidase-labeled BNP antibodies on gold nanoparticles | BNP | 4 pg/mL | |
Silver disk electrode | Acetylcholinesterase-labeled anti-BNP antibodies | BNP | 10 ng/mL | |
AlGaN/GaN HEMT | NT-proBNP specific aptamer | NT-proBNP | 0.22 ng/mL | |
AlGaN/GaN HEMT | FHC antibody | Protein–peptide | 56.7 ng/mL | |
AlGaN/GaN HEMT | Botulinum antibody | Botulinum toxin | 1 ng/mL | |
AlGaN/GaN HEMT | Anti-NT-proBNP | NT-proBNP | 181 pg/mL | |
Graphene | Human anti-EGP | EGP | 1 ng/mL | |
Silicon nanowire | Anti-APOA1 | hAPOA1 | 1 ng/mL |