Hectorite/Phenanthroline-Based Nanomaterial as Fluorescent Sensor for Zn Ion Detection: A Theoretical and Experimental Study
Metadatos
Afficher la notice complèteAuteur
Massaro, Marina; Borrego Sánchez, Ana; Viseras Iborra, César Antonio; Cinà, Giuseppe; García Villén, Fátima; Liotta, Leonarda F.; López-Galindo, Alberto; Pimentel, Carlos; Sainz Díaz, Claro Ignacio; Sánchez Espejo, Rita; Riela, SerenaEditorial
MDPI
Materia
Hectorite Phenanthroline Fluorescent sensor
Date
2024-05-19Referencia bibliográfica
Massaro, M. et. al. Nanomaterials 2024, 14, 880. [https://doi.org/10.3390/nano14100880]
Résumé
The development of fluorescent materials that can act as sensors for the determination
of metal ions in biological fluids is important since they show, among others, high sensitivity and
specificity. However, most of the molecules that are used for these purposes possess a very low
solubility in aqueous media, and, thus, it is necessary to adopt some derivation strategies. Clay
minerals, for example, hectorite, as natural materials, are biocompatible and available in large
amounts at a very low cost that have been extensively used as carrier systems for the delivery of
different hydrophobic species. In the present work, we report the synthesis and characterization of a
hectorite/phenanthroline nanomaterial as a potential fluorescent sensor for Zn ion detection in water.
The interaction of phenanthroline with the Ht interlaminar space was thoroughly investigated, via
both theoretical and experimental studies (i.e., thermogravimetry, FT-IR, UV-vis and fluorescence
spectroscopies and XRD measurements), while its morphology was imaged by scanning electron
microscopy. Afterwards, the possibility to use it as sensor for the detection of Zn2+ ions, in comparison
to other metal ions, was investigated through fluorescent measurements, and the stability of the solid
Ht/Phe/Zn complex was assessed by different experimental and theoretical measurements.