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Low-Cost, High-Sensitivity Detection of Waterborne Al3+ Cations and F− Anions via the Fluorescence Response of a Morin Derivative Dye by Alshammari, Alhulw H. (author);Alqahtani, Zahrah (author);Suah, Faiz Bukhari Mohd (author);Nizar, Syaza Atikah (author);Dunbar, Alan (author);Grell, Martin (author) is a nonfiction available to read on EtoBox.

What is Low-Cost, High-Sensitivity Detection of Waterborne Al3+ Cations and F− Anions via the Fluorescence Response of a Morin Derivative Dye about?

Morin dye is known as a cheap and readily available selective 'off → on' fluorescent sensitiser when immobilised in a phase transfer membrane for the detection of Al 3+ ions. Here, a morin derivative, NaMSA, which readily dissolves in water with good long-term stability is used in conjunction with a fibre-optic transducer with lock-in detection to detect Al 3+ in drinking water below the potability limit. The combination of a water-soluble dye and the fibre-optic transducer require neither membrane preparation nor a fluorescence spectrometer yet still display a high figure of merit. The known ability to recover morin-based Al 3+ cation sensors selectively by exposure to fluoride (F -) anions is further developed, enabling a complementary sensing of either fluoride anions, or aluminium cations, using the same dye with a sub-micromolar limit-of-detection for both ions. The sensor performance parameters compare favourably to prior reports on both aqueous aluminium and fluoride ion sensing.

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Author

Alshammari, Alhulw H. (author);Alqahtani, Zahrah (author);Suah, Faiz Bukhari Mohd (author);Nizar, Syaza Atikah (author);Dunbar, Alan (author);Grell, Martin (author)

Publisher

MDPI

Published

2021

Language

EN

Category

nonfiction