A. Elabd, M. Attia
2016
Citations
0
Influential Citations
29
Citations
Journal
Journal of Luminescence
Abstract
Abstract A new fluorescent optical sensor for highly sensitive and selective assessment of UO 2 2+ in aqueous samples was introduced. The response of the sensor is based on the fluorescence quenching of [(+)-(S)-methyl 2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate] (Clopidogrel) embedded in polymethylmethacrylate (PMMA) polymer by UO 2 2+ . The sensor displays; wide concentration range from 1.0×10 −9 to 4.0×10 −6 mol L −1 , limit of detection (LOD) and limit of quantification (LOQ) are 2.6×10 −10 and 7.8×10 −10 mol L −1 , respectively with a relatively fast response time of less than 60 s. The present sensor was revealed good response characteristics with respect to stability, reproducibility, sensitive and selectivity. Also, the response and quenching mechanisms for the present sensor were discussed.