Influence of silver grain size, roughness, and profile on the extraordinary fluorescence enhancement capabilities of grating coupled surface plasmon resonance

RSC Advances ◽  
2015 ◽  
Vol 5 (96) ◽  
pp. 78534-78544 ◽  
Author(s):  
A. J. Wood ◽  
B. Chen ◽  
S. Pathan ◽  
S. Bok ◽  
C. J. Mathai ◽  
...  

Silver gratings with different metal film properties and structures were examined to determine their effect on metal enhanced fluorescence.

RSC Advances ◽  
2017 ◽  
Vol 7 (11) ◽  
pp. 6358-6363 ◽  
Author(s):  
Shuai Yuan ◽  
Fengyan Ge ◽  
Yanmin Chen ◽  
Zaisheng Cai

A new strategy for metal enhanced fluorescence (MEF) was firstly realized based on the surface plasmon resonance of polyacryloyl hydrazide capped Ag nanoparticles (PAH–Ag NPs).


2009 ◽  
Vol 1208 ◽  
Author(s):  
Xiaoqiang Cui ◽  
Keiko Tawa ◽  
Junji Nishii

AbstractOne-dimensional grating with 400 nm pitch was fabricated on a SiO2 glass surface. The grating was applied for detection of fluorescence excited by the electric field of the grating-coupled surface plasmon resonance and highly sensitive observation of fluorescence image by optical microscope. 40-times of fluorescence enhancement was obtained under optimal condition after our systematically investigating depth and duty ratio dependent behavior.


2018 ◽  
Vol 12 (1) ◽  
pp. 73-78 ◽  
Author(s):  
Hiroki Ashiba ◽  

A V-trench biosensor is a sensitive biosensing platform utilizing fluorescence enhancement induced by surface plasmon resonance (SPR). Instruments for the SPR-assisted fluorescence assays, which were complicated and bulky, are drastically simplified and miniaturized by employing sensor chips equipped with prism-integrated microfluidic channels. In this review, the working principle, sensor design, and examples of virus detection of the V-trench biosensor are presented.


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