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Michael López Mujica Ilania Sotomayor-Santander Patricio Hermosilla-Ibáñez Felipe Oyarzun-Ampuero Marcela C. Rodríguez Gustavo A. Rivas Diego Venegas-Yazigi Soledad Bollo 《Electroanalysis》2021,33(9):2105-2114
We report a hybrid material obtained by dispersing the polyoxometalate n-[Bu4-N]2[Mo6O18NC13H9] functionalized with 2-aminofluorene (POMAF) and multi-walled carbon nanotubes (MWCNTs) in 1,3-dioxolane (MWCNT- POMAF). We demonstrate the peroxidase-like activity of the hybrid material and its application for the amperometric quantification of hydrogen peroxide at −0.450 V previous drop-coating at glassy carbon electrodes, with a linear range between 1.0 μM and 6.0 μM and a detection limit of 330 nM. The reproducibility was 2.2 % using one MWCNTs-POMAF dispersion, and 3.9 % using 4 different dispersions. The sensor was successfully used for the quantification of hydrogen peroxide in enriched milk samples. 相似文献
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