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Design of a Quencher-Free Fluorescent Aptasensor for Ochratoxin A Detection in Red Wine Based on the Guanine-Quenching Ability

This study describes a quencher-free fluorescent aptasensor for ochratoxin A (OTA) detection using the specific quenching ability of guanine for fluorescein (FAM) molecules based on photo-induced electron transfer (PIET). In this strategy, OTA is detected by monitoring the fluorescence change induce...

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Principais autores: Cheng Yang, Fathimath Abbas, Amina Rhouati, Yingying Sun, Xiaolin Chu, Shengnan Cui, Bingbing Sun, Changying Xue
Format: Artigo
Sprog:Inglês
Udgivet: MDPI AG 2022-05-01
Serier:Biosensors
Fag:
aptasensor
quencher-free
photo-induced electron transfer
guanine-quenching fluorescence
ochratoxin A
Online adgang:https://www.mdpi.com/2079-6374/12/5/297
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