| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5401332 | Journal of Luminescence | 2012 | 4 Pages |
Abstract
⺠The fluorophore ligand, N2O2-type dipyrrin (BB2), showed two step responses to zinc(II) ion. ⺠Addition of 0.2 equiv. of ZnCl2 to BB2 immediately increased the fluorescence intensity. ⺠Only micromolar concentrations of ZnCl2 were needed to achieve 3-fold fluorescence enhancement. ⺠Fluorescence response of the substituted dipyrrin dye upon zinc complex formation can be observed by the naked-eye. ⺠High optical brightness, high binding constant and very low detection limit values make BB2 as selective sensor for Zn(II) detection.
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Authors
Hyesun Song, Senkuttuvan Rajendiran, Eunhae Koo, Byoung Koun Min, Soon Kwan Jeong, T. Daniel Thangadurai, Sungho Yoon,