Title:Electrochemical Cell-based Biosensors for Biomedical Applications
Volume: 22
Issue: 9
Author(s): Dua Özsoylu, Torsten Wagner and Michael Josef Schöning*
Affiliation:
- Institute of Nano and Biotechnologies (INB), Aachen University of Applied Sciences, Jülich, Germany
- Institute of Biological Information Processing (IBI-3), Research Centre Jülich GmbH, Jülich, Germany
Keywords:
Cell-based biosensor, BioFED, LAPS, Impedimetric sensor, MEA, Graphene, Silicon nanowire, Single-cell analysis.
Abstract: Electrochemical cell-based biosensors have attracted increasing interest within the last 15
years, with a large number of reports generally dealing with the sensors’ sensitivity, selectivity, stability,
signal-to-noise ratio, spatiotemporal resolution, etc. However, only a few of them are now
available as commercial products. In this review, technological advances, current challenges, and
opportunities of electrochemical cell-based biosensors are presented. The article encompasses
emerging studies on cell-based biological field-effect devices, cell-based impedimetric sensors, and
cell-based microelectrode arrays, mainly focusing on the last five years (from 2016 to mid-2021). In
addition, special attention lies in recent progress at the single-cellular level, including intracellular
monitoring with high spatiotemporal resolution as well as integration into microfluidics for lab-ona-
chip applications. Moreover, a comprehensive discussion on challenges and future perspectives
will address the future potential of electrochemical cell-based biosensors.