An enzyme-free colorimetric assay using hybridization chain reaction amplification and split aptamers

The Analyst ◽  
2015 ◽  
Vol 140 (22) ◽  
pp. 7657-7662 ◽  
Author(s):  
Qing Wang ◽  
Xiaohan Yang ◽  
Xiaohai Yang ◽  
Kemin Wang ◽  
Hua Zhang ◽  
...  

A novel unmodified gold nanoparticle (AuNP)-based colorimetric assay was demonstrated based on split aptamers and the hybridization chain reaction (HCR) amplification strategy.

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