Articles producció científica> Enginyeria Electrònica, Elèctrica i Automàtica

Development of a highly sensitive and selective molecularly imprinted electrochemical sensor for sulfaguanidine detection in honey samples

  • Identification data

    Identifier: imarina:4079784
    Authors:
    El Alami El Hassani N., Llobet E., Popescu L., Ghita M., Bouchikhi B., El Bari N.
    Abstract:
    A simple and highly sensitive approach was performed to synthesize a selective sulfaguanidine (SG) sensor based on a molecularly imprinted electropolymer of acrylamide (PAM) for honey quality control. SG was detected by measurements of electrochemical impedance spectroscopy (EIS) and differential pulse voltammetry (DPV). These techniques were applied successfully to determine SG with an excellent selectivity when compared to the results of interfering compounds. Furthermore, unprecedented, ultra-low limits of detection (LOD) and quantification (LOQ) of 0.20 pg·mL−1 and 0.67 pg·mL−1, respectively according to DPV measurements and 0.17 pg·mL−1 and 0.57 pg·mL−1 according to EIS measurements. The proposed approach is found to be inexpensive, selective and very sensitive, thanks to the good biocompatibility of SG/PAM composite. The results also showed that this sensor was successfully applied to detect SG residues in honey samples with recoveries between 83.9% and 99.7% and had the potential to be further developed for other multiple analytes detection, thus offering an emerging horizon for bio-sensing applications in honey quality control.
  • Others:

    Author, as appears in the article.: El Alami El Hassani N., Llobet E., Popescu L., Ghita M., Bouchikhi B., El Bari N.
    Department: Enginyeria Electrònica, Elèctrica i Automàtica
    URV's Author/s: Llobet Valero, Eduard
    Keywords: Sulfaguanidine Molecularly imprinted sensor Honey Food control Biomimetic
    Abstract: A simple and highly sensitive approach was performed to synthesize a selective sulfaguanidine (SG) sensor based on a molecularly imprinted electropolymer of acrylamide (PAM) for honey quality control. SG was detected by measurements of electrochemical impedance spectroscopy (EIS) and differential pulse voltammetry (DPV). These techniques were applied successfully to determine SG with an excellent selectivity when compared to the results of interfering compounds. Furthermore, unprecedented, ultra-low limits of detection (LOD) and quantification (LOQ) of 0.20 pg·mL−1 and 0.67 pg·mL−1, respectively according to DPV measurements and 0.17 pg·mL−1 and 0.57 pg·mL−1 according to EIS measurements. The proposed approach is found to be inexpensive, selective and very sensitive, thanks to the good biocompatibility of SG/PAM composite. The results also showed that this sensor was successfully applied to detect SG residues in honey samples with recoveries between 83.9% and 99.7% and had the potential to be further developed for other multiple analytes detection, thus offering an emerging horizon for bio-sensing applications in honey quality control.
    Thematic Areas: Química Medicina ii Materiais Interdisciplinar General chemical engineering Farmacia Engenharias iv Engenharias iii Engenharias ii Electrochemistry Ciências biológicas ii Ciências biológicas i Ciências agrárias i Chemistry, analytical Chemical engineering (miscellaneous) Chemical engineering (all) Biotecnología Biodiversidade Astronomia / física Analytical chemistry
    licence for use: https://creativecommons.org/licenses/by/3.0/es/
    ISSN: 00220728
    Author's mail: eduard.llobet@urv.cat
    Author identifier: 0000-0001-6164-4342
    Record's date: 2024-09-07
    Papper version: info:eu-repo/semantics/acceptedVersion
    Link to the original source: https://www.sciencedirect.com/science/article/abs/pii/S1572665718304776
    Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
    Papper original source: Journal Of Electroanalytical Chemistry. 823 (823): 647-655
    APA: El Alami El Hassani N., Llobet E., Popescu L., Ghita M., Bouchikhi B., El Bari N. (2018). Development of a highly sensitive and selective molecularly imprinted electrochemical sensor for sulfaguanidine detection in honey samples. Journal Of Electroanalytical Chemistry, 823(823), 647-655. DOI: 10.1016/j.jelechem.2018.07.011
    Article's DOI: 10.1016/j.jelechem.2018.07.011
    Entity: Universitat Rovira i Virgili
    Journal publication year: 2018
    Publication Type: Journal Publications
  • Keywords:

    Analytical Chemistry,Chemical Engineering (Miscellaneous),Chemistry, Analytical,Electrochemistry
    Sulfaguanidine
    Molecularly imprinted sensor
    Honey
    Food control
    Biomimetic
    Química
    Medicina ii
    Materiais
    Interdisciplinar
    General chemical engineering
    Farmacia
    Engenharias iv
    Engenharias iii
    Engenharias ii
    Electrochemistry
    Ciências biológicas ii
    Ciências biológicas i
    Ciências agrárias i
    Chemistry, analytical
    Chemical engineering (miscellaneous)
    Chemical engineering (all)
    Biotecnología
    Biodiversidade
    Astronomia / física
    Analytical chemistry
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