Pulsed Laser‐Driven Molecular Self‐assembly of Cephalexin: Aggregation‐Induced Fluorescence and Its Utility as a Mercury Ion Sensor |
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| Authors: | Pradeep Kumar Singh Asmita Prabhune Satishchandra Ogale |
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| Institution: | 1. Physical and Materials Chemistry Division, National Chemical Laboratory (NCL), Council of Scientific and Industrial Research (CSIR), Pashan, Pune, India;2. Biochemical Sciences Division, National Chemical Laboratory (NCL), Council of Scientific and Industrial Research (CSIR), Pashan, Pune, India |
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| Abstract: | A fluorescent self‐assembly of cephalexin is obtained by pulsed laser irradiation process. An intense fluorescence emission is found in the self‐assembled form due to occurrence of a typical aggregation‐induced emission in cephalexin molecules. It is observed that fluorescence quenching of the self‐assembled fluorescent nanostructures occurs in the presence of extremely low Hg++ ions concentrations (10?7 m ) as compared to other heavy metal ions e.g. Ferrous (Fe++), Manganese (Mn++), Magnesium (Mg++), Cobalt (Co++), Nickel (Ni++) and Zinc (Zn++) at the same concentrations. |
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