All-silicon monolithic optoelectronic platform for multi-analyte biochemical sensing

K. Misiakos; E. Makarona; I. Raptis; A. Salapatas; A. Psarouli; S. Kakabakos; P. Petrou; M. Hoekman; R. Heideman; R. Stoffer; K. Tukkiniemi; M. Soppanen; G. Jobst; G. Nounessis; A. Budkowski; J. Rysz

doi:10.1117/12.2017995

28 May 2013 All-silicon monolithic optoelectronic platform for multi-analyte biochemical sensing

K. Misiakos, E. Makarona, I. Raptis, A. Salapatas, A. Psarouli, S. Kakabakos, P. Petrou, M. Hoekman, R. Heideman, R. Stoffer, K. Tukkiniemi, M. Soppanen, G. Jobst, G. Nounessis, A. Budkowski, J. Rysz

Author Affiliations +

Proceedings Volume 8765, Bio-MEMS and Medical Microdevices; 87650H (2013) https://doi.org/10.1117/12.2017995
Event: SPIE Microtechnologies, 2013, Grenoble, France

Abstract

Despite the advances in optical biosensors, the existing technological approaches still face two major challenges: the inherent inability of most sensors to integrate the optical source in the transducer chip, and the need to specifically design the optical transducer per application. In this work, the development of a radical optoelectronic platform is demonstrated based on a monolithic optocoupler array fabricated by standard Si-technology and suitable for multi-analyte detection. The platform has been specifically designed biochemical sensing. In the all-silicon array of transducers, each optocoupler has its own excitation source, while the entire array share a common detector. The light emitting devices (LEDs) are silicon avalanche diodes biased beyond their breakdown voltage and emit in the VIS-NIR part of the spectrum. The LEDs are coupled to individually functionalized optical transducers that converge to a single detector for multiplexed operation. The integrated nature of the basic biosensor scheme and the ability to functionalize each transducer independently allows for the development of miniaturized optical transducers tailored towards multi-analyte tests. The monolithic arrays can be used for a plethora of bio/chemical interactions becoming thus a versatile analytical tool. The platform has been successfully applied in bioassays and binding in a real-time and label-free format and is currently being applied to ultra-sensitive food safety applications.

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K. Misiakos, E. Makarona, I. Raptis, A. Salapatas, A. Psarouli, S. Kakabakos, P. Petrou, M. Hoekman, R. Heideman, R. Stoffer, K. Tukkiniemi, M. Soppanen, G. Jobst, G. Nounessis, A. Budkowski, and J. Rysz "All-silicon monolithic optoelectronic platform for multi-analyte biochemical sensing", Proc. SPIE 8765, Bio-MEMS and Medical Microdevices, 87650H (28 May 2013); https://doi.org/10.1117/12.2017995

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