Novel oligothiophene-phenylamine based Schiff base as a fluorescent chemosensor for the dual-channel detection of Hg^sup 2+^ and Cu^sup 2+^ with high sensitivity and selectivity
A novel oligothiophene-phenylamine based Shiff-base 3TN was successfully developed as a dual fluorescent chemosensor for the rapid detection of Hg2+ and Cu2+ ions in THF/H2O (7/3, v/v) solution. Interestingly, 3TN upon interaction with various metal cations displays highly selective fluorescent turn...
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| Veröffentlicht in: | Sensors and actuators. B, Chemical Chemical, 2017-03, Vol.B240, p.793 |
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| creator | Zhang, Shanshan Niu, Qingfen Lan, Linxin Li, Tianduo |
| description | A novel oligothiophene-phenylamine based Shiff-base 3TN was successfully developed as a dual fluorescent chemosensor for the rapid detection of Hg2+ and Cu2+ ions in THF/H2O (7/3, v/v) solution. Interestingly, 3TN upon interaction with various metal cations displays highly selective fluorescent turn-on response to Hg2+ and selective fluorescent turn-off response to Cu2+. The recognition process was highly reversible and completed within 2 min. The 1:1 binding modes (3TN/Hg2+ and 3TN/Cu2+) were proved by fluorescence measurements and FT-IR. Sensor 3TN also exhibits high anti-interference performance towards Hg2+/Cu2+ over other metal ions in a wide pH range. Moreover, the quite low detection limit was found to be 1.16 × 10−7 M for Hg2+ and 7.06 × 10−8 M for Cu2+. Therefore, these investigated results demonstrates that sensor 3TN has great potential to detect Hg2+ and Cu2+ ions in environmental analysis systems. |
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Interestingly, 3TN upon interaction with various metal cations displays highly selective fluorescent turn-on response to Hg2+ and selective fluorescent turn-off response to Cu2+. The recognition process was highly reversible and completed within 2 min. The 1:1 binding modes (3TN/Hg2+ and 3TN/Cu2+) were proved by fluorescence measurements and FT-IR. Sensor 3TN also exhibits high anti-interference performance towards Hg2+/Cu2+ over other metal ions in a wide pH range. Moreover, the quite low detection limit was found to be 1.16 × 10−7 M for Hg2+ and 7.06 × 10−8 M for Cu2+. Therefore, these investigated results demonstrates that sensor 3TN has great potential to detect Hg2+ and Cu2+ ions in environmental analysis systems.</description><identifier>ISSN: 0925-4005</identifier><identifier>EISSN: 1873-3077</identifier><language>eng</language><publisher>Lausanne: Elsevier Science Ltd</publisher><subject>Chemical sensors ; Chemoreceptors ; Copper ; Fluorescence ; Heavy metals ; Imines ; Mercury (metal) ; Metal ions ; Pollution ; Repetitive motion disorders</subject><ispartof>Sensors and actuators. B, Chemical, 2017-03, Vol.B240, p.793</ispartof><rights>Copyright Elsevier Science Ltd. 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Interestingly, 3TN upon interaction with various metal cations displays highly selective fluorescent turn-on response to Hg2+ and selective fluorescent turn-off response to Cu2+. The recognition process was highly reversible and completed within 2 min. The 1:1 binding modes (3TN/Hg2+ and 3TN/Cu2+) were proved by fluorescence measurements and FT-IR. Sensor 3TN also exhibits high anti-interference performance towards Hg2+/Cu2+ over other metal ions in a wide pH range. Moreover, the quite low detection limit was found to be 1.16 × 10−7 M for Hg2+ and 7.06 × 10−8 M for Cu2+. Therefore, these investigated results demonstrates that sensor 3TN has great potential to detect Hg2+ and Cu2+ ions in environmental analysis systems.</description><subject>Chemical sensors</subject><subject>Chemoreceptors</subject><subject>Copper</subject><subject>Fluorescence</subject><subject>Heavy metals</subject><subject>Imines</subject><subject>Mercury (metal)</subject><subject>Metal ions</subject><subject>Pollution</subject><subject>Repetitive motion disorders</subject><issn>0925-4005</issn><issn>1873-3077</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNjMtOwzAQRS1EJQL0H0ZiiSyZPBqyrkBdsYF1K5OMY1euJ2Tson4Wf0hSIdZd3Lk6mqtzJbKn57qQharra5GpJq9kqVR1I26Z90qpslipTPy80RE9kHc9RetosBhQzvfk9cEFhE_N2MF7a50xZwDNoMH4RCNyiyFCa_FAjIFpBDMlWoQuaS9bq0OY9B1GbKOjAGRg0285DZA_bkGHDtbpH79dtGBdb2GWueiOLp7OI0Y_C2a-FwujPePyr-_Ew-vLx3ojh5G-EnLc7SmNYXrtctWoMm_yVVVctvoFRmpkDA</recordid><startdate>20170301</startdate><enddate>20170301</enddate><creator>Zhang, Shanshan</creator><creator>Niu, Qingfen</creator><creator>Lan, Linxin</creator><creator>Li, Tianduo</creator><general>Elsevier Science Ltd</general><scope>7SP</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20170301</creationdate><title>Novel oligothiophene-phenylamine based Schiff base as a fluorescent chemosensor for the dual-channel detection of Hg^sup 2+^ and Cu^sup 2+^ with high sensitivity and selectivity</title><author>Zhang, Shanshan ; Niu, Qingfen ; Lan, Linxin ; Li, Tianduo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_20904292653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Chemical sensors</topic><topic>Chemoreceptors</topic><topic>Copper</topic><topic>Fluorescence</topic><topic>Heavy metals</topic><topic>Imines</topic><topic>Mercury (metal)</topic><topic>Metal ions</topic><topic>Pollution</topic><topic>Repetitive motion disorders</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Shanshan</creatorcontrib><creatorcontrib>Niu, Qingfen</creatorcontrib><creatorcontrib>Lan, Linxin</creatorcontrib><creatorcontrib>Li, Tianduo</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Sensors and actuators. B, Chemical</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Shanshan</au><au>Niu, Qingfen</au><au>Lan, Linxin</au><au>Li, Tianduo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel oligothiophene-phenylamine based Schiff base as a fluorescent chemosensor for the dual-channel detection of Hg^sup 2+^ and Cu^sup 2+^ with high sensitivity and selectivity</atitle><jtitle>Sensors and actuators. B, Chemical</jtitle><date>2017-03-01</date><risdate>2017</risdate><volume>B240</volume><spage>793</spage><pages>793-</pages><issn>0925-4005</issn><eissn>1873-3077</eissn><abstract>A novel oligothiophene-phenylamine based Shiff-base 3TN was successfully developed as a dual fluorescent chemosensor for the rapid detection of Hg2+ and Cu2+ ions in THF/H2O (7/3, v/v) solution. Interestingly, 3TN upon interaction with various metal cations displays highly selective fluorescent turn-on response to Hg2+ and selective fluorescent turn-off response to Cu2+. The recognition process was highly reversible and completed within 2 min. The 1:1 binding modes (3TN/Hg2+ and 3TN/Cu2+) were proved by fluorescence measurements and FT-IR. Sensor 3TN also exhibits high anti-interference performance towards Hg2+/Cu2+ over other metal ions in a wide pH range. Moreover, the quite low detection limit was found to be 1.16 × 10−7 M for Hg2+ and 7.06 × 10−8 M for Cu2+. Therefore, these investigated results demonstrates that sensor 3TN has great potential to detect Hg2+ and Cu2+ ions in environmental analysis systems.</abstract><cop>Lausanne</cop><pub>Elsevier Science Ltd</pub></addata></record> |
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| ispartof | Sensors and actuators. B, Chemical, 2017-03, Vol.B240, p.793 |
| issn | 0925-4005 1873-3077 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Chemical sensors Chemoreceptors Copper Fluorescence Heavy metals Imines Mercury (metal) Metal ions Pollution Repetitive motion disorders |
| title | Novel oligothiophene-phenylamine based Schiff base as a fluorescent chemosensor for the dual-channel detection of Hg^sup 2+^ and Cu^sup 2+^ with high sensitivity and selectivity |
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