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Surface state of the dopamine RNA aptamer affects specific recognition and binding of dopamine by the aptamer-modified electrodes

2015; Royal Society of Chemistry; Volume: 140; Issue: 12 Linguagem: Inglês

10.1039/c5an00480b

1364-5528

Isabel Álvarez‐Martos, Rui Campos, Elena E. Ferapontova,

Electrochemical Analysis and Applications

An electrochemical label-free aptasensor monitors physiological levels of dopamine with improved sensitivity when the aptamer surface coverage is optimized and with no interference from other catecholamines.