An electrochemical ratiometric biosensor for the detection of dopamine based on an MXene-Au nanocomposite
Wenjie Jing, Feifei Li, Yu Liu, Rong-Na Ma, Wei Zhang, Lei Shang, Xiaojian Li, Qingwang Xue, Huaisheng Wang, Liping Jia
Abstract
Compared with single signal detection, a ratiometric biosensor could offer more accurate and reliable results. Here, a ratiometric electrochemical biosensor for the sensitive and accurate detection of dopamine was developed based on the strong adsorption ability of MXene-Au toward methylene blue, an inner reference element. This ratiometric sensing strategy opened up a new avenue for the development of a ratiometric platform.
Topics & Concepts
BiosensorMethylene blueNanocompositeElectrochemistryAdsorptionNanotechnologyDopamineChemistryMaterials scienceElectrodeOrganic chemistryPhysical chemistryPhotocatalysisCatalysisNeuroscienceBiologyMXene and MAX Phase MaterialsAdvanced biosensing and bioanalysis techniques2D Materials and Applications