SPR Based Optical Biosensor for Acetylcholine Utilizing Enzyme Entrapped Ta2O5 Nanoflowers Assembly Encapsulated in Chitosan and rGO Matrix

SPR based fiber optic biosensor for acetylcholine is reported utilizing enzyme entrapped Ta2O5 nanoflowers encapsulated in chitosan and rGO matrix as sensing surface. Sensor operates in 0–8 µM range with detection limit 73 nM.