期刊
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷 382, 期 4, 页码 926-933出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-005-3195-3
关键词
silver nanotriangles; silver nanorods; anisotropic nanoparticles; metal-enhanced fluorescence; radiative decay engineering; increased excitation rate
资金
- NCRR NIH HHS [P41 RR008119] Funding Source: Medline
- NIGMS NIH HHS [R21 GM070929, GM070929-01] Funding Source: Medline
In this critical and timely review, the effects of anisotropic silver nanostructures on the emission intensity and photostability of a key fluorophore that is frequently used in many biological assays is examined. The silver nanostructures consist of triangular, rod-like, and fractal-like nanoparticles of silver deposited on conventional glass substrates. The close proximity to silver nanostructures results in greater intensity and photostability of the fluorophore than for fluorophores solely deposited on glass substrates. These new anisotropic silver nanostructure-coated surfaces show much more favorable effects than silver island films or silver colloidcoated substrates. Subsequently, the use of metal-enhanced fluorescence (MEF) for biosensing applications is discussed.
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