A highly sensitive and reversible chemosensor for Hg2+ detection based on porphyrin‐thymine conjugates
In this study, we demonstrated a highly sensitive, selective, and reversible chemosensor for Hg2+ determination. This chemosensor was synthesized by direct condensation of thymin‐1‐ylacetic acid with zinc tetraaminoporphyrin, which has a porphyrin core as the fluorophore and four thymine (T) moietie...
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Veröffentlicht in: | Journal of molecular recognition 2015-05, Vol.28 (5), p.293-298 |
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description | In this study, we demonstrated a highly sensitive, selective, and reversible chemosensor for Hg2+ determination. This chemosensor was synthesized by direct condensation of thymin‐1‐ylacetic acid with zinc tetraaminoporphyrin, which has a porphyrin core as the fluorophore and four thymine (T) moieties as the specific interaction sites for Hg2+. The probe (4T‐ZnP) exhibited split Soret bands with a small peak at 408 nm and a strong band at 429 nm in a dimethylformamide/H2O (7/3, v/v) mixed solvent as well as a strong emission band at 614 nm. Upon the addition of Hg2+, the probe displayed strong fluorescence quenching due to the formation of T‐Hg2+‐T complexes. With the aid of the fluorescence spectrometer, the chemosensor in the dimethylformamide/H2O (7/3, v/v) mixed solvent (0.3 μM) exhibited a detection limit of 6.7 nM. Interferences from other common cations, such as Co2+, K+, Sn2+, Zn2+, Cu2+, Ni2+, Mn2+, Na+, Ca2+, Mg2+, Pb2+, and Cd2+, associated with Hg2+ analysis were effectively inhibited. Copyright © 2015 John Wiley & Sons, Ltd.
A highly sensitive, selective, and reversible chemosensor based on porphyrin‐thymine conjugates for Hg2+ determination was presented. Upon the addition of Hg2+, the chemosensor displayed strong fluorescence quenching due to the formation of thymine‐Hg2+‐thymine complex. The chemosensor in a dimethylformamide/H2O (7/3, v/v) mixed solvent (0.3 μM) exhibited a detection limit of 6.7 nM. |
doi_str_mv | 10.1002/jmr.2442 |
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A highly sensitive, selective, and reversible chemosensor based on porphyrin‐thymine conjugates for Hg2+ determination was presented. Upon the addition of Hg2+, the chemosensor displayed strong fluorescence quenching due to the formation of thymine‐Hg2+‐thymine complex. The chemosensor in a dimethylformamide/H2O (7/3, v/v) mixed solvent (0.3 μM) exhibited a detection limit of 6.7 nM.</description><identifier>ISSN: 0952-3499</identifier><identifier>EISSN: 1099-1352</identifier><identifier>DOI: 10.1002/jmr.2442</identifier><language>eng</language><publisher>Nutley: Wiley Subscription Services, Inc</publisher><subject>chemosensor ; mercury ; porphyrin ; thymine</subject><ispartof>Journal of molecular recognition, 2015-05, Vol.28 (5), p.293-298</ispartof><rights>Copyright © 2015 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjmr.2442$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjmr.2442$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>He, Xiangzhu</creatorcontrib><creatorcontrib>Yang, Duanguang</creatorcontrib><creatorcontrib>Chen, Hongbiao</creatorcontrib><creatorcontrib>Zheng, Wei</creatorcontrib><creatorcontrib>Li, Huaming</creatorcontrib><title>A highly sensitive and reversible chemosensor for Hg2+ detection based on porphyrin‐thymine conjugates</title><title>Journal of molecular recognition</title><description>In this study, we demonstrated a highly sensitive, selective, and reversible chemosensor for Hg2+ determination. This chemosensor was synthesized by direct condensation of thymin‐1‐ylacetic acid with zinc tetraaminoporphyrin, which has a porphyrin core as the fluorophore and four thymine (T) moieties as the specific interaction sites for Hg2+. The probe (4T‐ZnP) exhibited split Soret bands with a small peak at 408 nm and a strong band at 429 nm in a dimethylformamide/H2O (7/3, v/v) mixed solvent as well as a strong emission band at 614 nm. Upon the addition of Hg2+, the probe displayed strong fluorescence quenching due to the formation of T‐Hg2+‐T complexes. With the aid of the fluorescence spectrometer, the chemosensor in the dimethylformamide/H2O (7/3, v/v) mixed solvent (0.3 μM) exhibited a detection limit of 6.7 nM. Interferences from other common cations, such as Co2+, K+, Sn2+, Zn2+, Cu2+, Ni2+, Mn2+, Na+, Ca2+, Mg2+, Pb2+, and Cd2+, associated with Hg2+ analysis were effectively inhibited. Copyright © 2015 John Wiley & Sons, Ltd.
A highly sensitive, selective, and reversible chemosensor based on porphyrin‐thymine conjugates for Hg2+ determination was presented. Upon the addition of Hg2+, the chemosensor displayed strong fluorescence quenching due to the formation of thymine‐Hg2+‐thymine complex. The chemosensor in a dimethylformamide/H2O (7/3, v/v) mixed solvent (0.3 μM) exhibited a detection limit of 6.7 nM.</description><subject>chemosensor</subject><subject>mercury</subject><subject>porphyrin</subject><subject>thymine</subject><issn>0952-3499</issn><issn>1099-1352</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNotkN1KxDAQhYMouK6CjxDwUrpOkv5sL5dFXWVFEL0OyXa6TemfSbvSOx_BZ_RJTFkvhjNwzpyBj5BrBgsGwO_K2i54GPITMmOQpgETET8lM0gjHogwTc_JhXMlgPcimJFiRQuzL6qROmyc6c0BqWoyavGA1hldId0VWLeT21qa-9ns-S3NsMddb9qGauUwo37pWtsVozXN7_dPX4y1afxt25TDXvXoLslZriqHV_86Jx8P9-_rTbB9fXxar7ZBxyLGg5RnCeegIY81SxDCHBnjecY14pLFEQfIcqGVyHcQKr1MhIiXXOkoVQpiCMWc3Bx7O9t-Duh6WbaDbfxLyeJEQMh9v08Fx9SXqXCUnTW1sqNkICeI0kOUE0T5_PI2qfgDldloPw</recordid><startdate>201505</startdate><enddate>201505</enddate><creator>He, Xiangzhu</creator><creator>Yang, Duanguang</creator><creator>Chen, Hongbiao</creator><creator>Zheng, Wei</creator><creator>Li, Huaming</creator><general>Wiley Subscription Services, Inc</general><scope>7QF</scope><scope>7QO</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SE</scope><scope>7SR</scope><scope>7TA</scope><scope>7TK</scope><scope>7TM</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8G</scope><scope>JG9</scope><scope>P64</scope></search><sort><creationdate>201505</creationdate><title>A highly sensitive and reversible chemosensor for Hg2+ detection based on porphyrin‐thymine conjugates</title><author>He, Xiangzhu ; Yang, Duanguang ; Chen, Hongbiao ; Zheng, Wei ; Li, Huaming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p1512-92d7220b0f6b17e04fe112fd2bee8165200df3ba3fc04ab8733682ab59aa06043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>chemosensor</topic><topic>mercury</topic><topic>porphyrin</topic><topic>thymine</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>He, Xiangzhu</creatorcontrib><creatorcontrib>Yang, Duanguang</creatorcontrib><creatorcontrib>Chen, Hongbiao</creatorcontrib><creatorcontrib>Zheng, Wei</creatorcontrib><creatorcontrib>Li, Huaming</creatorcontrib><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Journal of molecular recognition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>He, Xiangzhu</au><au>Yang, Duanguang</au><au>Chen, Hongbiao</au><au>Zheng, Wei</au><au>Li, Huaming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A highly sensitive and reversible chemosensor for Hg2+ detection based on porphyrin‐thymine conjugates</atitle><jtitle>Journal of molecular recognition</jtitle><date>2015-05</date><risdate>2015</risdate><volume>28</volume><issue>5</issue><spage>293</spage><epage>298</epage><pages>293-298</pages><issn>0952-3499</issn><eissn>1099-1352</eissn><abstract>In this study, we demonstrated a highly sensitive, selective, and reversible chemosensor for Hg2+ determination. This chemosensor was synthesized by direct condensation of thymin‐1‐ylacetic acid with zinc tetraaminoporphyrin, which has a porphyrin core as the fluorophore and four thymine (T) moieties as the specific interaction sites for Hg2+. The probe (4T‐ZnP) exhibited split Soret bands with a small peak at 408 nm and a strong band at 429 nm in a dimethylformamide/H2O (7/3, v/v) mixed solvent as well as a strong emission band at 614 nm. Upon the addition of Hg2+, the probe displayed strong fluorescence quenching due to the formation of T‐Hg2+‐T complexes. With the aid of the fluorescence spectrometer, the chemosensor in the dimethylformamide/H2O (7/3, v/v) mixed solvent (0.3 μM) exhibited a detection limit of 6.7 nM. Interferences from other common cations, such as Co2+, K+, Sn2+, Zn2+, Cu2+, Ni2+, Mn2+, Na+, Ca2+, Mg2+, Pb2+, and Cd2+, associated with Hg2+ analysis were effectively inhibited. Copyright © 2015 John Wiley & Sons, Ltd.
A highly sensitive, selective, and reversible chemosensor based on porphyrin‐thymine conjugates for Hg2+ determination was presented. Upon the addition of Hg2+, the chemosensor displayed strong fluorescence quenching due to the formation of thymine‐Hg2+‐thymine complex. The chemosensor in a dimethylformamide/H2O (7/3, v/v) mixed solvent (0.3 μM) exhibited a detection limit of 6.7 nM.</abstract><cop>Nutley</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/jmr.2442</doi><tpages>6</tpages></addata></record> |
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title | A highly sensitive and reversible chemosensor for Hg2+ detection based on porphyrin‐thymine conjugates |
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