Branched gold nanoparticles on ZnO 3D architecture as biomedical SERS sensors

RSC Advances ◽  
2015 ◽  
Vol 5 (113) ◽  
pp. 93644-93651 ◽  
Author(s):  
S. Picciolini ◽  
N. Castagnetti ◽  
R. Vanna ◽  
D. Mehn ◽  
M. Bedoni ◽  
...  

We present a new 3D surface-enhanced Raman spectroscopy substrate made of branched gold nanoparticles supported on ZnO tetrapods that was proved to be effective in different biomedical application such as drug detection and cancer cells analysis.

RSC Advances ◽  
2016 ◽  
Vol 6 (65) ◽  
pp. 60152-60159 ◽  
Author(s):  
Zhiyun Zhang ◽  
Huiyuan Guo ◽  
Yingqing Deng ◽  
Baoshan Xing ◽  
Lili He

A surface enhanced Raman spectroscopic (SERS) mapping technique was applied to qualitatively detect and characterize gold nanoparticles on and in spinach leaves in situ.


2017 ◽  
Vol 9 (17) ◽  
pp. 2517-2522 ◽  
Author(s):  
Chenmeng Zhang ◽  
Xiu Liang ◽  
Tingting You ◽  
Nan Yang ◽  
Yukun Gao ◽  
...  

We develop an ultrasensitive “turn off” Surface Enhanced Raman Spectroscopy (SERS) sensor for the detection of heparin based on the anti-aggregation of 4-mercaptobenzoic acid stabilized gold nanoparticles.


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