Metal-enhanced fluorescence from paper substrates: Modified spectral properties of dyes for potential high-throughput surface analysis and assays and as an anti-counterfeiting technology

被引：27
作者：
Zhang, Yongxia [1 ,2 ]
Aslan, Kadir [1 ,2 ]
Previte, Michael J. R. [1 ,2 ]
Geddes, Chris D. [1 ,2 ]
机构：
[1] Univ Maryland, Inst Biotechnol, Ctr Med Biotechnol, Lab Adv Med Plasmon,Inst Fluorescence, Baltimore, MD 21201 USA
[2] Univ Maryland, Inst Biotechnol, Ctr Med Biotechnol, Lab Adv Fluorescence Spect,Inst Fluorescence, Baltimore, MD 21201 USA
来源：
DYES AND PIGMENTS | 2008年 / 77卷 / 03期
关键词：
fluorescence; metal-enhanced fluorescence; radiative decay engineering; surface enhanced fluorescence; plasmon controlled fluorescence; radiating plasmons; plasmon enhanced fluorescence; plasmon enhanced luminescence;
D O I：
10.1016/j.dyepig.2007.08.007
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this paper, we report the first observation of metal-enhanced fluorescence emission of fluorophores from paper substrates. The fluorescence intensity is approximate to 5- and approximate to 9-fold brighter from Rose Bengal (RB) and Pt(II) octaethylporphine (PtOEP), respectively, on silver colloid-deposited paper as compared to uncoated paper. In addition, a reduced lifetime of RB near to silver particles (0.77 ns) was observed as compared to the non-silvered control sample (0.86 ns). An equivalent photostability of RB on Ag colloid-deposited paper and uncoated paper was also observed. Our findings are potentially helpful in applications to high-throughput surface analysis and as the basis of an anti-counterfeiting technology. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：545 / 549
页数：5
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