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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Park, Sang-Ryoul Alam, Al-Mahmnur Kamruzzaman, Mohammad Kim, Sung Hong Ragupathy, Dhanusuraman Lee, Sang Hak Kim, Young Ho |
| Description | Country affiliation: South Korea Author Affiliation: Kamruzzaman M ( Department of Chemistry, Kyungpook National University, Daegu 702-701, South Korea.) |
| Abstract | A sensitive spectrofluorimetric method has been developed for the determination of moxifloxacin (MOX) using europium(III)-MOX complex as a fluorescence probe in the presence of an anionic surfactant, sodium dodecyl benzene sulfonate (SDBS). The fluorescence (FL) intensity of Eu(3+) was enhanced by complexation with MOX at 614 nm after excitation at 373 nm. The FL intensity of the Eu(3+)-MOX complex was significantly intensified in the presence of SDBS. Under the optimum conditions, it was found that the enhanced FL intensity of the system showed a good linear relationship with the concentration of MOX over the range of 1.8 × 10(-11)-7.3 × 10(-9) g mL(-1) with a correlation coefficient of 0.9998. The limit of detection of MOX was found to be 2.8 × 10(-12) g mL(-1) with relative standard deviation (RSD) of 1.25% for 5 replicate determination of 1.5 × 10(-8) g mL(-1) MOX. The proposed method is simple, offers higher sensitivity with wide linear range and can be successfully applied to determine MOX in pharmaceutical and biological samples with good reproducibility. The luminescence mechanism is also discussed in detail with ultraviolet absorption spectra. |
| ISSN | 13861425 |
| Volume Number | 86 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-02-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Aza Compounds Analysis Chemistry Europium Micelles Quinolines Spectrometry, Fluorescence Methods Blood Urine Benzenesulfonates Buffers Fluoroquinolones Humans Hydrogen-ion Concentration Indicators And Reagents Limit Of Detection Luminescence Pharmaceutical Preparations Solutions Spectrophotometry, Ultraviolet Surface-active Agents 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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