Nickel-aluminum layered double hydroxide as a nanosorbent for selective solid-phase extraction and spectrofluorometric determination of salicylic acid in pharmaceutical and biological samples.
Identifieur interne : 001578 ( Main/Corpus ); précédent : 001577; suivant : 001579Nickel-aluminum layered double hydroxide as a nanosorbent for selective solid-phase extraction and spectrofluorometric determination of salicylic acid in pharmaceutical and biological samples.
Auteurs : H. Abdolmohammad-Zadeh ; S. Kohansal ; G H SadeghiSource :
- Talanta [ 1873-3573 ] ; 2011.
English descriptors
- KwdEn :
- Aluminum Hydroxide (chemistry), Calibration (MeSH), Hydrogen-Ion Concentration (MeSH), Limit of Detection (MeSH), Microscopy, Electron, Scanning (MeSH), Nanotechnology (MeSH), Nickel (chemistry), Pharmaceutical Preparations (analysis), Plant Leaves (chemistry), Reference Standards (MeSH), Reproducibility of Results (MeSH), Salicylic Acid (analysis), Salix (chemistry), Solid Phase Extraction (methods), Spectrometry, Fluorescence (methods), X-Ray Diffraction (MeSH).
- MESH :
- chemical , analysis : Pharmaceutical Preparations, Salicylic Acid.
- chemical , chemistry : Aluminum Hydroxide, Nickel.
- chemistry : Plant Leaves, Salix.
- methods : Solid Phase Extraction, Spectrometry, Fluorescence.
- Calibration, Hydrogen-Ion Concentration, Limit of Detection, Microscopy, Electron, Scanning, Nanotechnology, Reference Standards, Reproducibility of Results, X-Ray Diffraction.
Abstract
The nickel-aluminum layered double hydroxide (Ni-Al LDH) was synthesized by a simple co-precipitation method and used as a solid-phase extraction (SPE) sorbent for separation and pre-concentration of trace levels of salicylic acid (SA) from aqueous solutions. Extraction of analyte is based on the adsorption of salicylate ions on the Ni-Al (NO(3)(-)) LDH and/or their exchanging with LDH interlayer NO(3)(-) ions. The retained analyte on the LDH was stripped by 3 mol L(-1) NaOH solution and its concentration was subsequently determined spectrofluorometrically at λ(em)=400 nm with excitation at λ(ex)=270 nm. Various parameters affecting the extraction efficiency of SA on the Ni-Al (NO(3)(-)) LDH, such as pH, amount of nano-sorbent, sample loading flow rate, elution conditions, sample volume and matrix effects were investigated. In the optimum experimental conditions, the limit of detection (3s) and enrichment factor were 0.12 μg L(-1) and 40, respectively. The relative standard deviation (RSD) for six replicate determinations of 10 μg L(-1) SA was 2.3%. The calibration graph using the pre-concentration system was linear in the range of 0.3-45 μg L(-1) with a correlation coefficient of 0.9985. The optimized method was successfully applied to the determination of SA in blood serum, willow leaf and aspirin tablet.
DOI: 10.1016/j.talanta.2011.01.026
PubMed: 21376959
Links to Exploration step
pubmed:21376959Le document en format XML
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<author><name sortKey="Abdolmohammad Zadeh, H" sort="Abdolmohammad Zadeh, H" uniqKey="Abdolmohammad Zadeh H" first="H" last="Abdolmohammad-Zadeh">H. Abdolmohammad-Zadeh</name>
<affiliation><nlm:affiliation>Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, 35 Km Tabriz-Marageh Road, P.O. Box 53714-161, Tabriz, Iran. h.abdol@azaruniv.edu</nlm:affiliation>
</affiliation>
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<author><name sortKey="Kohansal, S" sort="Kohansal, S" uniqKey="Kohansal S" first="S" last="Kohansal">S. Kohansal</name>
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<author><name sortKey="Sadeghi, G H" sort="Sadeghi, G H" uniqKey="Sadeghi G" first="G H" last="Sadeghi">G H Sadeghi</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Nickel-aluminum layered double hydroxide as a nanosorbent for selective solid-phase extraction and spectrofluorometric determination of salicylic acid in pharmaceutical and biological samples.</title>
<author><name sortKey="Abdolmohammad Zadeh, H" sort="Abdolmohammad Zadeh, H" uniqKey="Abdolmohammad Zadeh H" first="H" last="Abdolmohammad-Zadeh">H. Abdolmohammad-Zadeh</name>
<affiliation><nlm:affiliation>Department of Chemistry, Faculty of Sciences, Azarbaijan University of Tarbiat Moallem, 35 Km Tabriz-Marageh Road, P.O. Box 53714-161, Tabriz, Iran. h.abdol@azaruniv.edu</nlm:affiliation>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aluminum Hydroxide (chemistry)</term>
<term>Calibration (MeSH)</term>
<term>Hydrogen-Ion Concentration (MeSH)</term>
<term>Limit of Detection (MeSH)</term>
<term>Microscopy, Electron, Scanning (MeSH)</term>
<term>Nanotechnology (MeSH)</term>
<term>Nickel (chemistry)</term>
<term>Pharmaceutical Preparations (analysis)</term>
<term>Plant Leaves (chemistry)</term>
<term>Reference Standards (MeSH)</term>
<term>Reproducibility of Results (MeSH)</term>
<term>Salicylic Acid (analysis)</term>
<term>Salix (chemistry)</term>
<term>Solid Phase Extraction (methods)</term>
<term>Spectrometry, Fluorescence (methods)</term>
<term>X-Ray Diffraction (MeSH)</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Pharmaceutical Preparations</term>
<term>Salicylic Acid</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Aluminum Hydroxide</term>
<term>Nickel</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Plant Leaves</term>
<term>Salix</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Solid Phase Extraction</term>
<term>Spectrometry, Fluorescence</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Calibration</term>
<term>Hydrogen-Ion Concentration</term>
<term>Limit of Detection</term>
<term>Microscopy, Electron, Scanning</term>
<term>Nanotechnology</term>
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<front><div type="abstract" xml:lang="en">The nickel-aluminum layered double hydroxide (Ni-Al LDH) was synthesized by a simple co-precipitation method and used as a solid-phase extraction (SPE) sorbent for separation and pre-concentration of trace levels of salicylic acid (SA) from aqueous solutions. Extraction of analyte is based on the adsorption of salicylate ions on the Ni-Al (NO(3)(-)) LDH and/or their exchanging with LDH interlayer NO(3)(-) ions. The retained analyte on the LDH was stripped by 3 mol L(-1) NaOH solution and its concentration was subsequently determined spectrofluorometrically at λ(em)=400 nm with excitation at λ(ex)=270 nm. Various parameters affecting the extraction efficiency of SA on the Ni-Al (NO(3)(-)) LDH, such as pH, amount of nano-sorbent, sample loading flow rate, elution conditions, sample volume and matrix effects were investigated. In the optimum experimental conditions, the limit of detection (3s) and enrichment factor were 0.12 μg L(-1) and 40, respectively. The relative standard deviation (RSD) for six replicate determinations of 10 μg L(-1) SA was 2.3%. The calibration graph using the pre-concentration system was linear in the range of 0.3-45 μg L(-1) with a correlation coefficient of 0.9985. The optimized method was successfully applied to the determination of SA in blood serum, willow leaf and aspirin tablet.</div>
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<ArticleTitle>Nickel-aluminum layered double hydroxide as a nanosorbent for selective solid-phase extraction and spectrofluorometric determination of salicylic acid in pharmaceutical and biological samples.</ArticleTitle>
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<Abstract><AbstractText>The nickel-aluminum layered double hydroxide (Ni-Al LDH) was synthesized by a simple co-precipitation method and used as a solid-phase extraction (SPE) sorbent for separation and pre-concentration of trace levels of salicylic acid (SA) from aqueous solutions. Extraction of analyte is based on the adsorption of salicylate ions on the Ni-Al (NO(3)(-)) LDH and/or their exchanging with LDH interlayer NO(3)(-) ions. The retained analyte on the LDH was stripped by 3 mol L(-1) NaOH solution and its concentration was subsequently determined spectrofluorometrically at λ(em)=400 nm with excitation at λ(ex)=270 nm. Various parameters affecting the extraction efficiency of SA on the Ni-Al (NO(3)(-)) LDH, such as pH, amount of nano-sorbent, sample loading flow rate, elution conditions, sample volume and matrix effects were investigated. In the optimum experimental conditions, the limit of detection (3s) and enrichment factor were 0.12 μg L(-1) and 40, respectively. The relative standard deviation (RSD) for six replicate determinations of 10 μg L(-1) SA was 2.3%. The calibration graph using the pre-concentration system was linear in the range of 0.3-45 μg L(-1) with a correlation coefficient of 0.9985. The optimized method was successfully applied to the determination of SA in blood serum, willow leaf and aspirin tablet.</AbstractText>
<CopyrightInformation>Copyright © 2011 Elsevier B.V. All rights reserved.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Abdolmohammad-Zadeh</LastName>
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