In order to mitigate the impacts caused by the rampant consumption of fossil fuels, many countries are investing in the development and optimization of alternatives that minimize dependence on fossil energy. The production of first generation ethanol (1G) appears as an attractive option, but it competes with the food chain, generating the need to find other sources of energy. The second generation of ethanol (2G), characterized by its relevant production potential, is considered a good alternative, which can be produced from sugarcane bagasse. Therefore, it is extremely important to evaluate the efficiency of 2G ethanol production processes, mainly in the compositional analysis of hydrolysates from the pre-treatment of lignocellulosic biomass, to promote greater production. Thus, the development of electrochemical sensors composed of graphite/paraffin composite electrodes coated with multi-walled carbon nanotubes (MWCNTs) modified with molecularly printed polymers (MIPs) are an excellent option for carrying out rapid analyzes. Due to the highly sensitive electrical properties of the MWCNTs and the molecular impression of the polymers that allow a high affinity with the model molecule, the sensor has high selectivity, good sensitivity and reproducibility for the determination of ferulic acid. For this reason, the present work presents a morphological study using the Scanning Electron Microscopy (SEM) technique and electrochemistry using the Cyclic Voltammetry (CV) technique.
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Characterization of Electrochemical Sensors Based on Carbon Nanotubes and MIPs for Determination of Ferulic Acid
Published: 14 May 2020 by MDPI in 2nd Coatings and Interfaces Web Conference session Deposition and Modification on Surfaces
Keywords: Ferulic acid, Electrochemical sensor, Ethanol 2G