Bio-mimetically synthesized Ag@BSA microspheres as a novel electrochemical biosensing interface for sensitive detection of tumor cells

►·Ag@BSA composite microspheres were synthesized at room temperature through a biomimetic way. ►·The composites possessed both conductivity and biocompatibility. ►·The composites were immobilized onto Au electrode and conjugated FA as a cytosensor for recognizing cancer cells. ►·The cytosensor showed excellent sensitivity and specificity.