Two-Photon Excited Fluorescence Enhancement for Ultrasensitive DNA Detection on Large-Area Gold Nanopatterns
Ultrasensitive DNA detection using enhanced two-photon excited fluorescence: DNA detection systems formed on a highly regular gold nanopattern over a large area show enhanced sensitivity from high to ultralow concentrations (similar to 10-11 M, see figure) target molecules. The observed two-photon excited fluorescence on the gold patterned surface is enhanced over two orders of magnitude compared with the molecules on the glass surface.
- Publisher
- Wiley-Blackwell
- Issue Date
- 2010-06
- Language
- English
- Article Type
- Article
- Keywords
SURFACE-PLASMON RESONANCE; FILMS; NANOPARTICLES; FLUOROPHORES; DISTANCE; ARRAYS
- Citation
ADVANCED MATERIALS, v.22, no.23, pp.2542 - 2546
- ISSN
- 0935-9648
- Appears in Collection
- CBE-Journal Papers(저널논문)
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