| Adsorptive stripping voltammetric determination of imipramine, trimipramine and desipramine employing titanium dioxide nanoparticles and an Amberlite XAD-2 modified glassy carbon paste electrode. | |
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MedLine Citation:
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PMID: 23324861 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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An Amberlite XAD-2 (XAD2) and titanium dioxide nanoparticles (TNPs) modified glassy carbon paste electrode (XAD2-TNP-GCPE) was developed for the determination of imipramine (IMI), trimipramine (TRI) and desipramine (DES). The electrochemical behavior of these molecules was investigated employing cyclic voltammetry (CV), chronocoulometry (CC), electrochemical impedance spectroscopy (EIS) and adsorptive stripping differential pulse voltammetry (AdSDPV). After optimization of analytical conditions using a XAD2-TNP-GCPE electrode at pH 6.0 phosphate buffer (0.1 M), the peak currents were found to vary linearly with its concentration in the range of 1.30 × 10(-9) to 6.23 × 10(-6) M for IMI, 1.16 × 10(-9) to 6.87 × 10(-6) M for TRI and 1.43 × 10(-9) to 5.68 × 10(-6) M for DES. The detection limits (S/N = 3) of 3.93 × 10(-10), 3.51 × 10(-10) and 4.35 × 10(-10) M were obtained for IMI, TRI and DES respectively using AdSDPV. The prepared modified electrode showed several advantages such as a simple preparation method, high sensitivity, very low detection limits and excellent reproducibility. The proposed method was employed for the determination of IMI, TRI and DES in pharmaceutical formulations, blood serum and urine samples. |
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Authors:
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Bankim J Sanghavi; Ashwini K Srivastava |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-17 |
Journal Detail:
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Title: The Analyst Volume: - ISSN: 1364-5528 ISO Abbreviation: Analyst Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0372652 Medline TA: Analyst Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai-400098, India. aksrivastava@chem.mu.ac.in akschbu@yahoo.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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