1. Electronic Instrumentation LaboratoryDIMES, Department of Microelectronics, Delft University of Technology, Delft, The Netherlands, Section Analytical Biotechnology, Kluyver Laboratory for Biotechnology, Faculty of Applied Sciences, Delft University of Technology, Delft, The Netherlands, ECTM, DIMES, Faculty of Electrical Engineering, Delft University of Technology, Delft, The Netherlands, and Institute of Industrial Electronics and Material Science, Vienna University of Technology, Vienna, Austria