期刊
CHEMICAL PHYSICS LETTERS
卷 453, 期 4-6, 页码 222-228出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2008.01.034
关键词
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资金
- NINDS NIH HHS [R21 NS055187, R21 NS055187-01A2] Funding Source: Medline
In this Letter we report the observation of angular-dependent metal-enhanced fluorescence (MEF) from fluorophores deposited onto silver island films (SiFs). When illuminated with laser light (473 nm) at angles of 45 degrees and 90 degrees from the surface, SiFs scattered light at wide observation angles biased by the direction of the incident light. We observed angular-dependent MEF (10-fold) from FITC-HSA immobilized onto the SiFs, again slightly biased with respect to the direction of the incident light. We also measured the photostability of FITC from the back of the glass substrate at angles of 225 degrees and 340 degrees. (C) 2008 Elsevier B.V. All rights reserved.
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