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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Lotfi, Roya Hasanzadeh, Aliyeh Khataee, Alireza Zarei, Mahmoud Iranifam, Mortaza Joo, Sang Woo |
| Description | Author Affiliation: Khataee A ( Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran. Electronic address: a_khataee@tabrizu.ac.ir.); Lotfi R ( Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran.); Hasanzadeh A ( Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran.); Iranifam M ( Department of Chemistry, Faculty of Science, University of Maragheh, 55181-83111 Maragheh, Iran.); Zarei M ( Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran.); Joo SW ( School of Mechanical Engineering, Yeungnam University, 712-749 Gyeongsan, South Korea. Electronic address: swjoo@yu.ac.kr.) |
| Abstract | Two analytical approaches including chemiluminescence (CL) and corona discharge ionization ion mobility spectrometry (CD-IMS) were developed for sensitive determination of selegiline (SG). We found that the CL intensity of the KMnO4-Na2S2O3 CL system was significantly enhanced in the presence of L-cysteine capped CdS quantum dots (QDs). A possible CL mechanism for this CL reaction is proposed. In the presence of SG, the enhanced CL system was inhibited. Based on this inhibition, a simple and sensitive flow-injection CL method was proposed for the determination of SG. Under optimum experimental conditions, the decreased CL intensity was proportional to SG concentration in the range of 0.01 to 30.0 mg L(-1). The detection limit (3σ) was 0.004 mg L(-1). Also, SG was determined using CD-IMS, and under optimum conditions of CD-IMS, calibration curves were linear in the range of 0.15 to 42.0 mg L(-1), with a detection limit (3σ) of 0.03 mg L(-1). The precision of the two methods was calculated by analyzing samples containing 5.0 mg L(-1) of SG (n=11). The relative standard deviations (RSDs%) of the flow-injection CL and CD-IMS methods are 2.17% and 3.83%, respectively. The proposed CL system exhibits a higher sensitivity and precision than the CD-IMS method for the determination of SG. |
| ISSN | 13861425 |
| Volume Number | 153 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2016-01-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cadmium Compounds Chemistry Flow Injection Analysis Methods Luminescent Measurements Quantum Dots Selegiline Analysis Spectrum Analysis Sulfides Chemistry, Pharmaceutical Cysteine Ions Kinetics Ultrastructure Water X-ray Diffraction Comparative Study Journal Article Research Support, Non-u.s. Gov't Discipline Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Atomic and Molecular Physics, and Optics Analytical Chemistry Instrumentation |
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