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Analytical and Bioanalytical Chemistry Research، جلد ۹، شماره ۳، صفحات ۲۳۵-۲۴۱
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عنوان انگلیسی Ni2+ Ion Sensing by a Semicarbazone Derivative of Piperidin-4-one: A Spectrofluorimetric Study
چکیده انگلیسی مقاله Nickel ions are toxic to the environment and they are also relevant in biology. Fluorescence sensing is a sensitive method and metal sensing can be carried out employing cheaper and easy-to-synthesize molecules that possess fluorescence emission. Therefore, development of newer and simply-synthesized chemosensor molecules for nickel ions in aqueous medium are required. We report, in this paper, a simple semicarbazone derivative of a piperidin-4-one as a nickel ion sensor in water. The compound forms a 1:1 stoichiometric complex with nickel ions. The association constant value is 4.04 × 104 mol-1 dm3. The nickel ion-selectivity of the compound is explored emploting UV-vis and fluorescence spectroscopy. Ni2+ ion-chelation enhances the fluorescence of the chemosensor molecule. The Ni2+ detection limit of the chemosensor was 1 × 10-7 mol dm-3. The compound also forms a 1:2 inclusion complex with β-cyclodextrin. The structure of the complex is proposed. Host : guest complex formation of β-cyclodextrin with the piperidin-4-one derivative results in the interference of the host molecule with the chelation of Ni2+ ions. As an extension of the application of the piperidin-4-one derivative, we demonstrate the Ni(II) ion filtration by incorporating the compound with a polysulfone film.
کلیدواژه‌های انگلیسی مقاله Semicarbazone,Piperidone,Ni2+ sensing,Fluorescent chemosensor,β-Cyclodextrin,Host-guest complex
نویسندگان مقاله P Sumathi |
R & D Centre, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India. Department of Chemistry, Muthayammal College of Arts and Science, Namakkal District 637 408, Tamil Nadu, India

K Kiruthiga |
Department of Chemistry, Hindustan Institute of Technology and Science (Deemed-to-be University), Chennai 603103, Tamil Nadu, India

Sivaraj Ramasamy |
Department of Chemistry, Karunya Institute of Technology and Sciences (Deemed-to-be University), Coimbatore 641 114, Tamil Nadu, India

P Mosae Selvakumar |
Science and Math Program, Asian University for Women, Chattogram 4000, Bangladesh.

Israel VMV Enoch |
Centre for Nanoscience and Genomics, Karunya Institute of Technology and Sciences (Deemed-to-be University), Coimbatore 641 114, Tamil Nadu, India

نشانی اینترنتی https://www.analchemres.org/article_143233_6f71e7a306539bec3e92a259d312e468.pdf
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