Table 1 Examples of GSH biosensors with their sensitivity and linear range values as reported in the literature.
Schematic biosensor assembly | Signal | Linear range | Limit of detection | References |
|---|---|---|---|---|
2D MnO2 nanosheets- BSA/AuNCs | Fluorescence | 0–2 mM | 20 µM | |
MnO2-induced synthesis of polydopamine NPs | Fluorescence | 0–800 µM | 1.5 µM | |
Bis-squaraine dye SQSS | Fluorescence | 0–10 µM | 0.15 µM | |
Carbon NPs@MnO2–AgNP nanocomposite | Fluorescence | 0.8–80 µM | 0.55 µM | |
Mesoporous silica nanoquenchers capped with anti-GSH antibody | Fluorescence | 0–10 mM | 52 pM | |
Carbon dot–MnO2 nanosheet | Fluorescence | 0.2–600 µM | 22 nM | |
AuNCs–Hg(II) system | Fluorescence | 0.04–16.0 µM | 7.0 nM | |
MoS2 quantum dot donor and Rhodamine 6G dye acceptor | Fluorescence | 5–50 nM | 2.7 nM | |
Self-quenched BSA/AuNCs | Fluorescence | 0.1–1.5 mM | 0.004 mM | |
BSA/AuNCs-MnO2 nanocomposite | Fluorescence | 2–200 µM | 2.2 µM | |
Arginine–glycine-aspartate (RGD)-modified BSA/AuNCs | Fluorescence | 1–10 mM | Nil | |
Lucigenin-MnO2 nanosheets | Fluorescence | 1–150 µM | 180 nM | |
Poly (allylamine) hydrochloride-confined BSA/AuNCs | Fluorescence | 0.3–20 mM | 3 mM | |
Mixed-valence-state cobalt nanomaterials | Colorimetric | 0.5–40 µM | 0.03 µM | |
FA-rGO-BSA/AuNCs | Fluorescence | 0–1.75 µM | 0.1 µM | Present work |
