Hectorite/Phenanthroline-Based Nanomaterial as Fluorescent Sensor for Zinc Ion Detection: A Theoretical and Experimental Study

    May 2024 in “ Nanomaterials ”
    Marina Massaro, Ana Borrego‐Sánchez, César Viseras, Giuseppe Cinà, Fátima García‐Villén, Leonarda Francesca Liotta, Alberto López-Galindo, Carlos Pimentel, C. Ignacio Sainz‐Díaz, Rita Sánchez‐Espejo, Serena Riela
    TLDR The nanomaterial effectively detects zinc ions in water.
    The study develops a hectorite/phenanthroline-based nanomaterial as a fluorescent sensor for detecting Zn2+ ions in aqueous solutions, emphasizing its biocompatibility and cost-effectiveness. The research combines theoretical and experimental methods, confirming the successful intercalation of phenanthroline into hectorite and its favorable adsorption energy. The nanomaterial shows selectivity for Zn2+ ions, with a detection limit of 5.2 μM, making it suitable for biological applications like detecting Zn2+ in human blood plasma. The sensor's fluorescence response is reversible, allowing for multiple detection cycles, and it remains stable with other metal ions. This eco-friendly sensor holds potential for environmental and biological monitoring, particularly due to the biological importance of Zn ions, such as their association with conditions like alopecia.
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