Biosensing based on electrochemical impedance spectroscopy: Influence of the often-ignored molecular charge

0491737 - ÚIACH 2019 RIV NL eng J - Journal Article
Lacina, K. - Sopoušek, J. - Čunderlová, V. - Hlaváček, Antonín - Václavek, Tomáš - Lacinová, V.
Biosensing based on electrochemical impedance spectroscopy: Influence of the often-ignored molecular charge.
Electrochemistry Communications. Roč. 93, AUG (2018), s. 183-186. ISSN 1388-2481. E-ISSN 1873-1902
R&D Projects: GA ČR(CZ) GBP206/12/G014
Institutional support: RVO:68081715
Keywords : biosensing * electrochemical impedance spectroscopy * proteins
OECD category: Analytical chemistry
Impact factor: 4.197, year: 2018

When electrochemical impedance spectroscopy is used as an analytical method for affinity biosensors the change of impedance was expected exclusively due to the change in mass at the electrode surface, but in this paper it was shown that also a surface charge of bound molecules plays an important role.
Permanent Link: http://hdl.handle.net/11104/0285364