Piezoelectric gravimetric sensors based on magnetic nanocomposites: polymers with molecular imprints (MIP) Fe3O4@MIP N - (phosphonmethyl) - glycine have been developed. It was found that the optimal concentration ratio of template: functional monomer: cross-monomer is 1: 3: 25. The best synthesis time is 3h with constant stirring at a speed of 60 rpm and heating to 60 °C.
Magnetic polymers with tetracycline molecular imprints have been synthesized. The conditions for the formation of a recognition layer of a piezoelectric sensor based on Fe3O4@MIP particles have been studied. It is shown that the use of the developed nanomaterial makes it possible to reduce the time required to prepare the sensor for analysis by 25 times in comparison with traditional methods.
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