O. Ibrahim (Simon Fraser University), P. Alday (Instituto Microelectrónica de Barcelona (IMB-CNM-CSIC)), J. P. Esquivel (Instituto Microelectrónica de Barcelona (IMB-CNM-CSIC), Department of Bioengineering, University of Washington), N. Sabate (Instituto Microelectrónica de Barcelona (IMB-CNM-CSIC), Institució Catalana de Recerca i Estudis Avançats (ICREA)), and E. Kjeang (Simon Fraser University)