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- W2040367279 abstract "A mediator-free electrochemical biosensor with CeO2–PANI nano-interface for sensing histamine using diamine oxidase (DAO) has been developed. CeO2–PANI core–shell nanoparticles were prepared by hydrothermal method. The field emission scanning electron microscopy (FE-SEM) revealed the aggregated spherical morphology of CeO2. The core–shell formation of CeO2–PANI was confirmed with field emission transmission microscopy (FE-TEM). The polycrystallinity of CeO2 and CeO2–PANI was confirmed using X-ray diffraction (XRD). Immobilization of DAO with CeO2–PANI was confirmed with Fourier transform infrared spectroscopy (FT-IR). Electrochemical studies were carried out through cyclic voltammetry and amperometry using modified GCE/CeO2–PANI/DAO as a working electrode, Ag/AgCl saturated with 0.1 M KCl as a reference electrode and platinum (Pt) wire as a counter electrode. The linear range was observed from 0.45 to 1.05 mM with a sensitivity of 724.94 μA cm−2 mM−1. Michaelis–Menten constant was calculated as 0.798 mM. It exhibited limit of detection of 48.7 μM, limit of quantification of 132.4 μM with a response time of <1 s and good shelf life of 86% till 18 days. Also the developed biosensor was applied on tiger prawn to estimate the histamine content." @default.
- W2040367279 created "2016-06-24" @default.
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- W2040367279 date "2014-08-01" @default.
- W2040367279 modified "2023-10-02" @default.
- W2040367279 title "Development of electrochemical biosensor with ceria–PANI core–shell nano-interface for the detection of histamine" @default.
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- W2040367279 doi "https://doi.org/10.1016/j.snb.2014.04.009" @default.
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