Novel probe based on rhodamine B and quinoline as a naked-eye colorimetric probe for dual detection of nickel and hypochlorite ions

Emad Hooshmand, Seyyed and Baeiszadeh, Behnaz and Mohammadnejad, Masoumeh and Ghasemi, Razieh and Darvishi, Farshad and Khatibi, Ali and Shiri, Morteza and H. S. Hussain, Faiq (2023) Novel probe based on rhodamine B and quinoline as a naked-eye colorimetric probe for dual detection of nickel and hypochlorite ions. Scientific Reports, 13. ISSN 2045-232

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Abstract

This work demonstrates the design and straightforward syntheses of several novel probe-based on rhodamine B and 2-mercaptoquinoline-3-carbaldehydes as a naked-eye colorimetric probe, indicating a sensitive and selective recognition towards nickel (II) with a limit of detection 0.30 μmol L−1 (0.02 mg L−1). Further, by employing the oxidation property of hypochlorite (OCl−), this novel probe parallelly has been deployed to detect hypochlorite in laboratory conditions with a limit of detection of 0.19 μmol mL−1 and in living cells. Regarded to negligible cell toxicity toward mammalian cells, this probe has the potential to determine these analytes in in-vivo investigation and foodstuff samples.

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