The invention relates to a potential sensor and particularly relates to a soluble molecularly-imprinted polymer and application thereof. A preparation method of the soluble molecularly-imprinted polymer comprises the following steps : adding a swelling solvent into a molecularly-imprinted polymer, heating, stirring and swelling at 50-150 DEG C, and fully dissolving the polymer to obtain the soluble molecularly-imprinted polymer, wherein the swelling solvent is tetrahydrofuran, dimethylformamide, chloroform or 1, 2, 4-trichlorobenzene. Through the method, the problem that the conventional molecularly-imprinted polymer is difficultly dissolved in a potential sensor sensitive membrane is effectively solved by a solubilizer on the basis that the high-selectivity adsorption capacity of the molecularly-imprinted polymer is retained; a polymer sensitive membrane doped in the molecularly-imprinted polymer forms a homogeneous system, so that the molecular recognition capability of the molecularly-imprinted polymer sensitive membrane can be enhanced to a great extent, and then the response performance of the potential sensor can be improved.
; 张欢; 梁荣宁
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