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AUTHOR'S PROOF
_____________________________________________________________________________________ Metadata of the article that will be visualized in OnlineFirst Please note: Images will appear in color online but will be printed in black and white. _____________________________________________________________________________________
Selectiv e Solid-Phase Extraction and Trace Monitoring of Lead Ions in Food and Water Samples Using New Lead-Imprinted Polymer Nanoparticles
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Article Title
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Article Sub- Title
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Article Copyright - Year
Springer Science+Business Media New York 2014 (This w ill be the copyright line in the final PDF)
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Journal Name
Food Analytical Methods
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Family Name
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Particle
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Given Name
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Corresponding Author
Behbahani Mohammad
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Shahid Beheshti University
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Division
Department of Chemistry
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Address
G.C., Tehran 1983963113, Iran
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e-mail
[email protected]
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Family Name
Hassanlou
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Particle
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Given Name
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Author
Parmoon Ghareh
Suffix Organization
Shahid Beheshti University
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Division
Department of Chemistry
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Address
G.C., Tehran 1983963113, Iran
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e-mail
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Family Name
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Particle
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Given Name
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Author
Amini Mostafa M.
Suffix Organization
Shahid Beheshti University
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Division
Department of Chemistry
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Address
G.C., Tehran 1983963113, Iran
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e-mail
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Author
Family Name
Moazami
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Particle
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Given Name
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Suffix
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Organization
Shahid Beheshti University
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Division
Department of Chemistry
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Address
G.C., Tehran 1983963113, Iran
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e-mail
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Family Name
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Particle
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Given Name
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Author
Hamid Reza
Abandansari Hamid Sadeghi
Suffix Organization
Shahid Beheshti University
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Division
Department of Chemistry
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Address
G.C., Tehran 1983963113, Iran
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e-mail
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Family Name
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Given Name
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Author
Bagheri Akbar
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Shahid Beheshti University
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Division
Department of Chemistry
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Address
G.C., Tehran 1983963113, Iran
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e-mail
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Family Name
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Particle
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Given Name
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Author
Zadeh Salman Hassan
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University of Birmingham
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Division
Department of Chemical Engineering
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Address
Birmingham, UK
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e-mail
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Received
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Schedule
63 64
Revised Accepted
Abstract
11 April 2014 22 June 2014
A solid-phase extraction method using Pb 2+ ion-imprinted polymer (Pb 2+ -IIP) nanoparticles combined with flame atomic absorption spectrophotometry (FAAS) was developed for the preconcentration and trace monitoring of lead ions in environmental samples. The
AUTHOR'S PROOF Pb 2+ -IIP nanoparticles were obtained by precipitation polymerization of 4-vinylpyridine (the functional monomer), ethylene glycol dimethacrylate (the cross-linker), 2,2′-azobisisobutyronitrile (the initiator), 4-(2-pyridylazo) resorcinol (the lead-binding ligand), and lead ions (the template ion) in acetonitrile solution. The Pb 2+ -IIP nanoparticles were characterized by Fourier transformed infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric and differential thermal analysis (TGA/DTA), and by scanning electron microscopy (SEM). Different affecting parameters on the adsorption and desorption of this solid-phase extraction process were evaluated and optimized. Under the optimized conditions, the detection limit for the proposed method was found to be 0.9 μg L −1, while the relative standard deviation (RSD) for five replicate measurements was calculated to be
