کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
745680 | 894426 | 2011 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A selective and highly sensitive fluorescent probe of Hg2+ in organic and aqueous media: The role of a polymer network in extending the sensing phenomena to water environments
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
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چکیده انگلیسی
This paper describes the preparation of a hydrophilic copolymer membrane with two comonomers: 1-vinyl-2-pyrrolidone (commercial) and a new water insoluble piperazinedione derivative, which is a fluorogenic mercury sensing motif. The dense membrane permitted the fluorogenic detection of Hg2+ in aqueous media. The sensitivity of the membrane this cation was significantly high, with a detection limit of 10 ppt. This limit of detection is much lower than that of DMSO/water solutions of the sensing monomer, which is 10 ppb, and significantly lower than the maximum contaminant level (EPA) in drinking water, 2 ppb.
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ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 157, Issue 2, 20 October 2011, Pages 686–690
Journal: Sensors and Actuators B: Chemical - Volume 157, Issue 2, 20 October 2011, Pages 686–690
نویسندگان
Saúl Vallejos, Pedro Estévez, Saturnino Ibeas, Asunción Muñoz, Félix C. García, Felipe Serna, José M. García,