Antonio Algarín Pérez

Antonio Algarín Pérez

*This is an algorithmically generated author record based on publicly available information.

Current Organizations / Institutes

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Previous Organizations / Institutes

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Antonio Algarín Pérez has a total of 6 co-authors. Here are the top co-authors by number of shared publications:


Latest Publications

  • Open Access

    Design and Implementation of a Smart AC Current Source for Impedance Spectroscopy Using ARM Microcontrollers

    by Salvador Meléndez Muñoz, Emilio Silvestre Mérida, Santiago J. Fernández Scagliusi, Andreea M. Oprescu, Antonio Algarín Pérez, Pablo Pérez García

    This paper explores the development of a low-cost alternating current (AC) smart current generator using ARM Cortex-M33 microcontrollers with integrated peripherals, Digital to Analog Converters (DAC) and Operational amplifiers (OPAMPS). The system generates an AC voltage signal through the DAC, which is then converted to an AC using integrated operational amplifiers and passive components. The proposed design provides a compact, low-power, cost-effective solution which is suitable for optimized embedded system sensor design. Results show a signal-to-noise ratio (SNR) of up to 70 dB and a total harmonic distortion (THD) as low as 0.2%, illustrating the potential for advanced sensing applications.


  • Open Access

    An Organic Electrochemical Transistor-Based Sensor for IgG Levels Detection of Relevance in SARS-CoV-2 Infections

    by Antonio Algarín Pérez, Pablo Acedo

    Organic electrochemical transistors appear as an alternative for relatively low-cost, easy-to-operate biosensors due to their intrinsic amplification. Herein, we present the fabrication, characterization, and validation of an immuno-detection system based on commercial sensors using gold electrodes where no additional surface treatment is performed on the gate electrode. The steady-state response of these sensors has been studied by analyzing different semiconductor organic channels in order to optimize the biomolecular detection process and its the application to monitoring human IgG levels due to SARS-CoV-2 infections. Detection levels of up to tens of μgmL−1 with sensitivities up to 13.75% [μg/mL]−1, concentration ranges of medical relevance in seroprevalence studies, have been achieved.