▎ 摘　　要

NOVELTY - A bromine bismuth oxide graphene composite hollow electrochemical biosensor comprises three electrode system sensor having platinum electrode as counter electrode, silver/silver chloride as the reference electrode and glassy carbon electrode as working electrode whose surface is covered with hemoglobin immobilized on the surface by graphene composite hollow bismuth oxyhydroxide. USE - Bromine bismuth oxide graphene composite hollow electrochemical biosensor. ADVANTAGE - The bromine bismuth oxide graphene composite hollow electrochemical biosensor can be prepared with wide detection range, low detection limits, rapid response and long-acting and stable. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing bromine bismuth oxide graphene composite hollow electrochemical biosensor.