Enhanced Fluorescence Images for Labeled Cells on Silver Island Films
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چکیده
منابع مشابه
Angular-Dependent Metal-Enhanced Fluorescence from Silver Island Films.
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 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...
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guishing high and low Si/Al ratio zeolites and may be important in studies of zeolites that are chemically or physically altered. ence Foundation under Grant CHE 8204417 is gratefully acknowledged. We thank Professor T. L. Barr, Professor J. Vedrine, Dr. C. D. Wagner, Dr. J. M. Stencel, and Dr. T. D. Debies for helpful discussions and for their comments and suggestions concerning this manuscrip...
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The coupling plasmon of a hybrid nanostructure, silver island (SI) associated with silver nanoparticle (SNP), on metal-enhanced fluorescence (MEF) was studied theoretically. We used the multiple multipole method to analyze the plasmon-mediated enhancement factor on the fluorescence of a molecule immobilized on SNP and located in the gap zone between SI and SNP; herein, the SI was modeled as an ...
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Near-infrared (near-IR) excitation produces little background signal from biological molecules, making nearIR fluorescence technology highly useful in proteomic and genomic applications. To increase the emissions of near-IR fluorophores, we examined the use of metal-enhanced fluorescence on these longer wavelength dyes. IRDye700and IRDye800-labeled DNA oligonucleotides and proteins were spotted...
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Silver colloids and silver island films as fluorescence enhancement systems are the subject of this paper. Enhancement of fluorescence of molecules placed near metallic nanoparticles is a result of resonance interaction of exciting and emitted lights with surface plasmons. Two models explaining this phenomenon are presented. Processes of silver colloids and silver island films forming are descr...
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ژورنال
عنوان ژورنال: Langmuir
سال: 2008
ISSN: 0743-7463,1520-5827
DOI: 10.1021/la801749f