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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Rastegarzadeh, Saadat Hashemi, Fatemeh |
| Description | Author Affiliation: Rastegarzadeh S ( Department of Chemistry, College of Science, Shahid Chamran University, Ahvaz 6135743135, Iran. Electronic address: rastegarz@scu.ac.ir.); Hashemi F ( Department of Chemistry, College of Science, Shahid Chamran University, Ahvaz 6135743135, Iran.) |
| Abstract | A new method has been proposed to sensitive detection of captopril based on surface plasmon resonance band of silver nanoparticles (AgNPs). The stable and well-dispersed AgNPs with strong plasmon resonance signal were synthesized in situ using a simple and rapid procedure by applying ascorbic acid as reducer and sodium dodecyl sulfate as stabilizer, at room temperature. It was found that, the decreasing of AgNPs plasmon absorbance is proportional to the concentration of captopril which allows the spectrophotometric sensing of this compound. The presented method is capable of determining captopril over a range of 0.20-2.75 µmol L(-1) with a limit of detection 0.07 µmol L(-1). The relative standard deviation for eight replicate measurements of 1.00 and 2.50 µmol L(-1) of captopril was 2.37% and 1.02%, respectively. The method was applied to the determination of captopril in pharmaceutical formulations with satisfactory results, which were in agreement with those of the official method. |
| ISSN | 13861425 |
| Volume Number | 122 |
| e-ISSN | 18733557 |
| Journal | Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-03-25 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Antihypertensive Agents Analysis Ascorbic Acid Chemistry Captopril Metal Nanoparticles Silver Surface Plasmon Resonance Methods Limit Of Detection Evaluation Studies 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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