کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5402862 1392744 2010 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A turn-on fluorescent chemosensor for Hg2+ based on phenanthroline fluorophore
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
A turn-on fluorescent chemosensor for Hg2+ based on phenanthroline fluorophore
چکیده انگلیسی
Dipyrido[3,2-a:2′,3′-c]-phenazine (L) was employed as a selectively fluorescent chemosensor for Hg2+ in DMF solution under buffered conditions with its fluorescence being strongly increased. The fluorescence increasing was attributed to the formation of L-Hg2+ by 1:1 complex ratio (K=3.7×105 M−1), which constitutes the basis for the determination of Hg2+ with the prepared chemosensor. The experiment results also show that the response behavior of L to Hg2+ is pH independent in the range of pH 6.0-9.0 and show excellent sensitivity and selectivity for Hg2+ over other examined metal ions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Luminescence - Volume 130, Issue 1, January 2010, Pages 52-55
نویسندگان
, , , ,