Development of Amine-Oxidase-Based Biosensors for Spermine and Spermidine Analysis

Methods in Molecular Biology
Cristina TortoliniFranco Mazzei

Abstract

In this work a detailed description of the development of amine oxidase-based electrochemical biosensors for the selective determination of the biogenic amines is presented. The enzymes required for this operation are Polyamine Oxidase (PAO) and Spermine Oxidase (SMO) which are physically entrapped in poly(vinyl alcohol) bearing styrylpyridinium groups (PVA-SbQ), a photo-cross-linkable gel, onto screen printed electrode (SPE) surface. The developed biosensors are deeply characterized in the analysis of biogenic amines by using flow injection amperometric (FIA) technique. The enzymatic electrodes are characterized by good sensitivity, long-term stability, and reproducibility. To test the feasibility of the developed biosensors in the analysis of real matrices, they are used for the analysis of blood samples. The results obtained are in good agreement with those obtained with the GC-MS reference method.

Citations

Oct 24, 2019·Critical Reviews in Biotechnology·Neelam VermaVikas Hooda
Oct 22, 2020·International Journal of Biological Macromolecules·Mihaela D LeonidaTae-Hoon Kim

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