Fluorescence Based Comparative Sensing Behavior of the Nano-Composites of SiO(2) and TiO(2) towards Toxic Hg(2+) Ions

We have synthesized sulfonamide based nano-composites of SiO(2) and TiO(2) for selective and sensitive determination of toxic metal ion Hg(2+) in aqueous medium. Nano-composites (11) and (12) were morphologically characterized with FT-IR, solid state NMR, UV-vis, FE SEM, TEM, EDX, BET, pXRD and elem...

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Detalles Bibliográficos
Autores principales: Ekta, Utreja, Divya
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8621696/
https://www.ncbi.nlm.nih.gov/pubmed/34835846
http://dx.doi.org/10.3390/nano11113082
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author Ekta,
Utreja, Divya
author_facet Ekta,
Utreja, Divya
author_sort Ekta,
collection PubMed
description We have synthesized sulfonamide based nano-composites of SiO(2) and TiO(2) for selective and sensitive determination of toxic metal ion Hg(2+) in aqueous medium. Nano-composites (11) and (12) were morphologically characterized with FT-IR, solid state NMR, UV-vis, FE SEM, TEM, EDX, BET, pXRD and elemental analysis. The comparative sensing behavior, pH effect and sensor concentrations were carried out with fluorescence signaling on spectrofluorometer and nano-composites (11) and (12), both were evaluated as “turn-on” fluorescence detector for the toxic Hg(2+) ions. The LODs were calculated to be 41.2 and 18.8 nM, respectively of nano-composites (11) and (12). The detection limit of TiO(2) based nano-composites was found comparatively lower than the SiO(2) based nano-composites.
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spelling pubmed-86216962021-11-27 Fluorescence Based Comparative Sensing Behavior of the Nano-Composites of SiO(2) and TiO(2) towards Toxic Hg(2+) Ions Ekta, Utreja, Divya Nanomaterials (Basel) Article We have synthesized sulfonamide based nano-composites of SiO(2) and TiO(2) for selective and sensitive determination of toxic metal ion Hg(2+) in aqueous medium. Nano-composites (11) and (12) were morphologically characterized with FT-IR, solid state NMR, UV-vis, FE SEM, TEM, EDX, BET, pXRD and elemental analysis. The comparative sensing behavior, pH effect and sensor concentrations were carried out with fluorescence signaling on spectrofluorometer and nano-composites (11) and (12), both were evaluated as “turn-on” fluorescence detector for the toxic Hg(2+) ions. The LODs were calculated to be 41.2 and 18.8 nM, respectively of nano-composites (11) and (12). The detection limit of TiO(2) based nano-composites was found comparatively lower than the SiO(2) based nano-composites. MDPI 2021-11-15 /pmc/articles/PMC8621696/ /pubmed/34835846 http://dx.doi.org/10.3390/nano11113082 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Ekta,
Utreja, Divya
Fluorescence Based Comparative Sensing Behavior of the Nano-Composites of SiO(2) and TiO(2) towards Toxic Hg(2+) Ions
title Fluorescence Based Comparative Sensing Behavior of the Nano-Composites of SiO(2) and TiO(2) towards Toxic Hg(2+) Ions
title_full Fluorescence Based Comparative Sensing Behavior of the Nano-Composites of SiO(2) and TiO(2) towards Toxic Hg(2+) Ions
title_fullStr Fluorescence Based Comparative Sensing Behavior of the Nano-Composites of SiO(2) and TiO(2) towards Toxic Hg(2+) Ions
title_full_unstemmed Fluorescence Based Comparative Sensing Behavior of the Nano-Composites of SiO(2) and TiO(2) towards Toxic Hg(2+) Ions
title_short Fluorescence Based Comparative Sensing Behavior of the Nano-Composites of SiO(2) and TiO(2) towards Toxic Hg(2+) Ions
title_sort fluorescence based comparative sensing behavior of the nano-composites of sio(2) and tio(2) towards toxic hg(2+) ions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8621696/
https://www.ncbi.nlm.nih.gov/pubmed/34835846
http://dx.doi.org/10.3390/nano11113082
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AT utrejadivya fluorescencebasedcomparativesensingbehaviorofthenanocompositesofsio2andtio2towardstoxichg2ions

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