PCF with immobilized silver nanoparticles as an optofluidic SERS sensing platform

2010 ◽  
Author(s):  
Yun Han ◽  
Siliu Tan ◽  
Maung Kyaw Khaing Oo ◽  
Henry Du
Keyword(s):  
Silver Nanoparticles ◽  
Sensing Platform ◽  
Sers Sensing

scholarly journals Self-formed silver nanoparticles on freestanding silicon nanowire arrays featuring SERS performances

RSC Advances ◽  
2019 ◽  
Vol 9 (45) ◽  
pp. 26037-26042 ◽  
Author(s):  
Pin-Ju Chien ◽  
Yongcun Zhou ◽  
Kun-Hung Tsai ◽  
Hong Phan Duong ◽  
Chia-Yun Chen
Keyword(s):  
Silver Nanoparticles ◽  
Ag Nanoparticles ◽  
Silicon Nanowire ◽  
Nanowire Arrays ◽  
Si Nanowire ◽  
Silicon Nanowire Arrays ◽  
Sers Sensing

The formation of freestanding Si nanowire arrays with decorated Ag nanoparticles offers the SERS sensing capability.

scholarly journals Highly Sensitive and Selective Nanogap-Enhanced SERS Sensing Platform

Nanomaterials ◽  
2019 ◽  
Vol 9 (4) ◽  
pp. 619 ◽  
Author(s):  
ChaeWon Mun ◽  
Vo Thi Nhat Linh ◽  
Jung-Dae Kwon ◽  
Ho Sang Jung ◽  
Dong-Ho Kim ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Near Field ◽  
Polymer Surface ◽  
Molecular Size ◽  
Surface Enhanced Raman Spectroscopy ◽  
Localized Surface Plasmon ◽  
Plasmonic Nanostructures ◽  
Sensing Platform ◽  
Highly Sensitive ◽  
Sers Sensing

This paper reports a highly sensitive and selective surface-enhanced Raman spectroscopy (SERS) sensing platform. We used a simple fabrication method to generate plasmonic hotspots through a direct maskless plasma etching of a polymer surface and the surface tension-driven assembly of high aspect ratio Ag/polymer nanopillars. These collapsed plasmonic nanopillars produced an enhanced near-field interaction via coupled localized surface plasmon resonance. The high density of the small nanogaps yielded a high plasmonic detection performance, with an average SERS enhancement factor of 1.5 × 107. More importantly, we demonstrated that the encapsulation of plasmonic nanostructures within nanofiltration membranes allowed the selective filtration of small molecules based on the degree of membrane swelling in organic solvents and molecular size. Nanofiltration membrane-encapsulated SERS substrates do not require pretreatments. Therefore, they provide a simple and fast detection of toxic molecules using portable Raman spectroscopy.

Robust and Universal SERS Sensing Platform for Multiplexed Detection of Alzheimer’s Disease Core Biomarkers Using PAapt-AuNPs Conjugates

ACS Sensors ◽  
2019 ◽  
Vol 4 (8) ◽  
pp. 2140-2149 ◽  
Author(s):  
Xue Zhang ◽  
Su Liu ◽  
Xiaolei Song ◽  
Haiwang Wang ◽  
Jingfeng Wang ◽  
...  
Keyword(s):  
Alzheimer’S Disease ◽  
Alzheimer's Disease ◽  
Multiplexed Detection ◽  
Sensing Platform ◽  
Sers Sensing
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