A Label-Free Aptasensor for Ochratoxin a Detection Based on the Structure Switch of Aptamer
A label-free sensing platform is developed based on switching the structure of aptamer for highly sensitive and selective fluorescence detection of ochratoxin A (OTA). OTA induces the structure of aptamer, transforms into G-quadruplex and produces strong fluorescence in the presence of zinc(II)-prot...
Main Authors: | Feng Liu, Ailing Ding, Jiushang Zheng, Jiucun Chen, Bin Wang |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2018-06-01
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Series: | Sensors |
Subjects: | |
Online Access: | http://www.mdpi.com/1424-8220/18/6/1769 |
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