Synthesis and application of a thermosensitive tri-block copolymer as an efficient sample treatment technique for preconcentration and ultra-trace detection of lead ions
We have designed and synthesized a thermosensitive tri-block copolymer for selective trace extraction of Pb(II) ions from biological and food samples. The polymer was characterized by Fourier transform IR and NMR spectroscopy, and by gel permeation chromatography. The critical aggregation concentrat...
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| Veröffentlicht in: | Mikrochimica acta (1966) 2014, Vol.181 (1-2), p.129-137 |
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| container_title | Mikrochimica acta (1966) |
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| creator | Behbahani, Mohammad Abandansari, Hamid Sadeghi Salarian, Mani Babapour, Meysam Bagheri, Akbar Nabid, Mohammad Reza |
| description | We have designed and synthesized a thermosensitive tri-block copolymer for selective trace extraction of Pb(II) ions from biological and food samples. The polymer was characterized by Fourier transform IR and NMR spectroscopy, and by gel permeation chromatography. The critical aggregation concentration and lower critical solution temperature were determined via fluorescence and UV spectrophotometry, respectively. The effects of solution pH value, amount of copolymer, of the temperature on extraction and on phase separation, and of the matrix on the extraction of Pb(II) were optimized. Pb(II) ions were then quantified by FAAS. The use of this copolymer resulted in excellent figures of merit including a calibration plot extending from 0.5 to 160 μg L
−1
(with an R
2
of >0.99), a limit of detection (LOD) as low as 90 pg L
−1
, an extraction efficiency of >98 %, and relative standard deviations of |
| doi_str_mv | 10.1007/s00604-013-1079-3 |
| format | Article |
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−1
(with an R
2
of >0.99), a limit of detection (LOD) as low as 90 pg L
−1
, an extraction efficiency of >98 %, and relative standard deviations of <4 % for eight separate extraction experiments.
Figure
In this paper, for the first time an intelligent system using a thermosensitive tri-block copolymer for selective trace removal of Pb(II) in biological and food samples was designed and its determination was carried out by flame atomic absorption spectrometry.</description><identifier>ISSN: 0026-3672</identifier><identifier>EISSN: 1436-5073</identifier><identifier>DOI: 10.1007/s00604-013-1079-3</identifier><language>eng</language><publisher>Vienna: Springer Vienna</publisher><subject>Agglomeration ; Analytical Chemistry ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Copolymers ; Extraction ; Figure of merit ; Fluorescence ; Methods ; Microengineering ; Nanochemistry ; Nanotechnology ; Nuclear magnetic resonance spectroscopy ; Original Paper ; Phase separation ; Standard deviation ; Thermosensitive</subject><ispartof>Mikrochimica acta (1966), 2014, Vol.181 (1-2), p.129-137</ispartof><rights>Springer-Verlag Wien 2013</rights><rights>COPYRIGHT 2014 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c393t-114a4b316a6be1652bd239e789f10c20d6bc48d3642a280254f838ea51aa98593</citedby><cites>FETCH-LOGICAL-c393t-114a4b316a6be1652bd239e789f10c20d6bc48d3642a280254f838ea51aa98593</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00604-013-1079-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00604-013-1079-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Behbahani, Mohammad</creatorcontrib><creatorcontrib>Abandansari, Hamid Sadeghi</creatorcontrib><creatorcontrib>Salarian, Mani</creatorcontrib><creatorcontrib>Babapour, Meysam</creatorcontrib><creatorcontrib>Bagheri, Akbar</creatorcontrib><creatorcontrib>Nabid, Mohammad Reza</creatorcontrib><title>Synthesis and application of a thermosensitive tri-block copolymer as an efficient sample treatment technique for preconcentration and ultra-trace detection of lead ions</title><title>Mikrochimica acta (1966)</title><addtitle>Microchim Acta</addtitle><description>We have designed and synthesized a thermosensitive tri-block copolymer for selective trace extraction of Pb(II) ions from biological and food samples. The polymer was characterized by Fourier transform IR and NMR spectroscopy, and by gel permeation chromatography. The critical aggregation concentration and lower critical solution temperature were determined via fluorescence and UV spectrophotometry, respectively. The effects of solution pH value, amount of copolymer, of the temperature on extraction and on phase separation, and of the matrix on the extraction of Pb(II) were optimized. Pb(II) ions were then quantified by FAAS. The use of this copolymer resulted in excellent figures of merit including a calibration plot extending from 0.5 to 160 μg L
−1
(with an R
2
of >0.99), a limit of detection (LOD) as low as 90 pg L
−1
, an extraction efficiency of >98 %, and relative standard deviations of <4 % for eight separate extraction experiments.
Figure
In this paper, for the first time an intelligent system using a thermosensitive tri-block copolymer for selective trace removal of Pb(II) in biological and food samples was designed and its determination was carried out by flame atomic absorption spectrometry.</description><subject>Agglomeration</subject><subject>Analytical Chemistry</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Copolymers</subject><subject>Extraction</subject><subject>Figure of merit</subject><subject>Fluorescence</subject><subject>Methods</subject><subject>Microengineering</subject><subject>Nanochemistry</subject><subject>Nanotechnology</subject><subject>Nuclear magnetic resonance spectroscopy</subject><subject>Original Paper</subject><subject>Phase separation</subject><subject>Standard deviation</subject><subject>Thermosensitive</subject><issn>0026-3672</issn><issn>1436-5073</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNkc-O1SAUxonRxOvoA7hj6YbxAC20y8nEf8kkLtQ1ofQww0ihQq_JfSTfUprq1hhCgHO-HwfOR8hrDtccQL-tAAo6BlwyDnpk8gk58U4q1oOWT8kJQCgmlRbPyYtaHwG4VqI7kV9fLml7wBoqtWmmdl1jcHYLOdHsqaUtV5ZcMdWwhZ9ItxLYFLP7Tl1ec7wsWKjdWYreBxcwbbTaZY27FO227IEN3UMKP85IfS50Lehyci1RjkJ74XNsJ9amQzpjA_4-IaKdadvXl-SZt7Hiqz_rFfn2_t3X24_s7vOHT7c3d8zJUW6M8852k-TKqgm56sU0CzmiHkbPwQmY1eS6YZaqE1YMIPrOD3JA23Nrx6Ef5RV5c9y7ltyeXDezhOowRpswn6vhGkatAeA_pD0oqUU_6Ca9PqT3NqIJyef9r23MuITWDvShxW_0jvBBiQbwA3Al11rQm7WExZaL4WB2y81huWmWm91yIxsjDqY2bbrHYh7zuaTWrX9AvwFA-7F1</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>Behbahani, Mohammad</creator><creator>Abandansari, Hamid Sadeghi</creator><creator>Salarian, Mani</creator><creator>Babapour, Meysam</creator><creator>Bagheri, Akbar</creator><creator>Nabid, Mohammad Reza</creator><general>Springer Vienna</general><general>Springer</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>2014</creationdate><title>Synthesis and application of a thermosensitive tri-block copolymer as an efficient sample treatment technique for preconcentration and ultra-trace detection of lead ions</title><author>Behbahani, Mohammad ; Abandansari, Hamid Sadeghi ; Salarian, Mani ; Babapour, Meysam ; Bagheri, Akbar ; Nabid, Mohammad Reza</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-114a4b316a6be1652bd239e789f10c20d6bc48d3642a280254f838ea51aa98593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Agglomeration</topic><topic>Analytical Chemistry</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Copolymers</topic><topic>Extraction</topic><topic>Figure of merit</topic><topic>Fluorescence</topic><topic>Methods</topic><topic>Microengineering</topic><topic>Nanochemistry</topic><topic>Nanotechnology</topic><topic>Nuclear magnetic resonance spectroscopy</topic><topic>Original Paper</topic><topic>Phase separation</topic><topic>Standard deviation</topic><topic>Thermosensitive</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Behbahani, Mohammad</creatorcontrib><creatorcontrib>Abandansari, Hamid Sadeghi</creatorcontrib><creatorcontrib>Salarian, Mani</creatorcontrib><creatorcontrib>Babapour, Meysam</creatorcontrib><creatorcontrib>Bagheri, Akbar</creatorcontrib><creatorcontrib>Nabid, Mohammad Reza</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Mikrochimica acta (1966)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Behbahani, Mohammad</au><au>Abandansari, Hamid Sadeghi</au><au>Salarian, Mani</au><au>Babapour, Meysam</au><au>Bagheri, Akbar</au><au>Nabid, Mohammad Reza</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and application of a thermosensitive tri-block copolymer as an efficient sample treatment technique for preconcentration and ultra-trace detection of lead ions</atitle><jtitle>Mikrochimica acta (1966)</jtitle><stitle>Microchim Acta</stitle><date>2014</date><risdate>2014</risdate><volume>181</volume><issue>1-2</issue><spage>129</spage><epage>137</epage><pages>129-137</pages><issn>0026-3672</issn><eissn>1436-5073</eissn><abstract>We have designed and synthesized a thermosensitive tri-block copolymer for selective trace extraction of Pb(II) ions from biological and food samples. The polymer was characterized by Fourier transform IR and NMR spectroscopy, and by gel permeation chromatography. The critical aggregation concentration and lower critical solution temperature were determined via fluorescence and UV spectrophotometry, respectively. The effects of solution pH value, amount of copolymer, of the temperature on extraction and on phase separation, and of the matrix on the extraction of Pb(II) were optimized. Pb(II) ions were then quantified by FAAS. The use of this copolymer resulted in excellent figures of merit including a calibration plot extending from 0.5 to 160 μg L
−1
(with an R
2
of >0.99), a limit of detection (LOD) as low as 90 pg L
−1
, an extraction efficiency of >98 %, and relative standard deviations of <4 % for eight separate extraction experiments.
Figure
In this paper, for the first time an intelligent system using a thermosensitive tri-block copolymer for selective trace removal of Pb(II) in biological and food samples was designed and its determination was carried out by flame atomic absorption spectrometry.</abstract><cop>Vienna</cop><pub>Springer Vienna</pub><doi>10.1007/s00604-013-1079-3</doi><tpages>9</tpages></addata></record> |
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| source | SpringerNature Journals |
| subjects | Agglomeration Analytical Chemistry Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Copolymers Extraction Figure of merit Fluorescence Methods Microengineering Nanochemistry Nanotechnology Nuclear magnetic resonance spectroscopy Original Paper Phase separation Standard deviation Thermosensitive |
| title | Synthesis and application of a thermosensitive tri-block copolymer as an efficient sample treatment technique for preconcentration and ultra-trace detection of lead ions |
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