▎ 摘　　要

NOVELTY - Molecularly imprinted polymer electrode comprises poly-dopamine-reducing graphene oxide/polyacrylamide molecular imprinted polymer electrode, where 1,3,5-pentoxybenzoic acid is template molecule of imprinted polymer specific recognition. USE - The molecularly imprinted polymer electrode is useful in electrochemical analysis of cartilage alginic acid (claimed). ADVANTAGE - The molecularly imprinted polymer electrode can realize accurate and fast detection of the cartilage alginic acid. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the molecularly imprinted polymer electrode comprising (i) preparing polydopamine- reducing graphene oxide composite material, (ii) preparing the screen printing electrode modified by the poly-dopamine-reduction graphene oxide by a drop coating method, and (iii) dissolving the acrylamide, methylene bisacrylamide and 1, 3, 5- pentricarboxylic acid in phosphate buffer solution to obtain the electro-polymerization solution, using drop coating method and cyclic voltammetry.