Ultrasensitive Optical Chemosensor for Cu(II) Detection
Joint Authors
Saleh, Sayed M.
Ali, Reham
Alminderej, Fahad
Ali, Ibrahim A. I.
Source
International Journal of Analytical Chemistry
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-03-26
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
Herein, the main objective of this research is to design and synthesize a novel optical chemosensor, 2,6-Bis(4-dimethylaminophenyl)-4-(dicyanomethylene)-cyclohexane-1,1-dicarbo-nitrile (BDC), for detection of one of the most significant metal ions Cu(II).
This novel fluorescent chemosensor exhibits unique optical properties with large Stokes shift (about 170 nm) approximately.
The fluorescence and UV–vis absorption performance among the BDC probe and Cu(II) ions were examined in 1:9 (v/v) methanol–HEPES buffer (pH = 7.2) solution.
Also, BDC displays high selectivity for Cu(II) concerning other cations.
Moreover, this probe provides high selectivity and sensitivity based on their fluorescence properties and recognition abilities within a detection limit of the Cu(II) contents (LOD 2.3 x 10−7 M).
The suggested mechanism of BDC sensor is attributed to the chelation process with Cu(II), to establish a 1:1 metal-ligand ratio complex with a binding constant (Kbind = 7.16 x 104 M−1).
The detection process is accompanied by quenching the main emission peak of the BDC at 571 nm.
All the experimental data were collected to investigate the effects of several important parameters such as reversibility and the concentration limits.
Besides, we study the interference of various metal ions on selectivity and detection capacity of this significant Cu (II) ion.
This novel chemosensor shows ultrasensitive, fast tracing of Cu(II) in the physiological pH range (pH 7.2) and therefore may propose a novel promising method for the investigation of the biological functions of Cu(II) in living cells.
American Psychological Association (APA)
Saleh, Sayed M.& Ali, Reham& Alminderej, Fahad& Ali, Ibrahim A. I.. 2019. Ultrasensitive Optical Chemosensor for Cu(II) Detection. International Journal of Analytical Chemistry،Vol. 2019, no. 2019, pp.1-8.
https://search.emarefa.net/detail/BIM-1155958
Modern Language Association (MLA)
Saleh, Sayed M.…[et al.]. Ultrasensitive Optical Chemosensor for Cu(II) Detection. International Journal of Analytical Chemistry No. 2019 (2019), pp.1-8.
https://search.emarefa.net/detail/BIM-1155958
American Medical Association (AMA)
Saleh, Sayed M.& Ali, Reham& Alminderej, Fahad& Ali, Ibrahim A. I.. Ultrasensitive Optical Chemosensor for Cu(II) Detection. International Journal of Analytical Chemistry. 2019. Vol. 2019, no. 2019, pp.1-8.
https://search.emarefa.net/detail/BIM-1155958
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1155958