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In this study,a novel nonenzymatic electrochemiluminescence (ECL) glucose biosensor based on LaTiO3-Ag0.1(LTA) modified electrode was developed.The morphology,composition and electrochemical behaviors of the perovskite LaTiO3-Ag0.1 nanomaterials were characterized and investigated respectivly.Based on ECL experimental results,the perovskite LaTiO3-Ag0.1 nanomaterials modified electrode displayed high electrocatalytic activity towards the oxidation of glucose.Under optimal conditions,compared with previous reports on similar nonenzymatic ECL glucose sensors,this sensor showed lower detection limit,higher sensitivity,and much wider linear range.A simple and promising nonenzymatic electrochemiluminescence glucose biosensor based on LTA modified at the surface of the GCE was demonstrated.