SERS and electrochemical impedance spectroscopy immunoassay for carcinoembryonic antigen

•Combining electrochemical and surface enhanced Raman spectroscopy in the same spot.•Immunosensor for CEA, assembled on a gold screen-printed electrode.•First reading is of electrochemical nature, and followed by an iron redox probe.•Second reading is obtained after antibody binding with the Raman r...

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Veröffentlicht in:	Electrochimica acta 2021-01, Vol.366, p.137377, Article 137377
Hauptverfasser:	Castaño-Guerrero, Yuselis, Moreira, Felismina T. C., Sousa-Castillo, Ana, Correa-Duarte, Miguel A., Sales, M. Goreti F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antibodies Antigens Binding Carcinoembryonic antigen Correlation coefficients Creatinine Cysteamine Data analysis Electrochemical impedance spectroscopy Immunoassay Immunosensor Mass production Mathematical analysis Multiplexing Raman spectra Raman spectroscopy Screen-printed electrode Selectivity Signalling systems Spectrum analysis Surface-enhanced Raman spectroscopy
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