| Application of Tb(4)O(7) nanoparticles for lasalocid and salicylate determination in food analysis. | |
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MedLine Citation:
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PMID: 23140477 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The usefulness of Tb(4)O(7) nanoparticles (NPs) as analytical reagents using sensitized luminescence as detection system is described for the first time and the results obtained are compared with those obtained using Tb(III) ions. Two drugs used in veterinary practice, namely lasalocid (LAS) and salicylate (SAL), have been chosen as model analytes to carry out this study. The experimental conditions for these systems have been optimized and their analytical features obtained. The detection limits obtained for LAS and SAL using Tb(4)O(7)NPs were 1.0 and 4.0 ng mL(-1), respectively, which were comparable to those obtained using Tb(III) ions: 1.8 and 1.0 ng mL(-1), respectively. However, precision data, with relative standard deviation values in the range 2.3 - 3.8 % using the NPs and 3.5 - 6.5 % using Tb(III) ions, were slightly better for LAS with Tb4O7NPs. The practical analytical usefulness of Tb(4)O(7)NPs as luminescent reagents has been shown by performing the determination of LAS in tap water, feed premix and egg samples, obtaining recoveries in the range of 80.0 - 105.0%. |
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Authors:
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Maria Luisa Castillo-García; Maria-Paz Aguilar-Caballos; Agustina Gomez-Hens |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-12 |
Journal Detail:
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Title: Journal of agricultural and food chemistry Volume: - ISSN: 1520-5118 ISO Abbreviation: J. Agric. Food Chem. Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0374755 Medline TA: J Agric Food Chem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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