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High Performance Multichannel Photonic Biochip Sensors for Future Point of Care Diagnostics: an Overview on Two EU-Sponsored Projects
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2010 (English)In: SPIE Proc. 7715 BIOPHOTONICS - PHOTONIC SOLUTIONS FOR BETTER HEALTH CARE II / [ed] Jürgen Popp; Wolfgang Drexler; Valery V. Tuchin; Dennis L. Matthews, 2010, Vol. 7715, 77150U-1-77150U-12 p.Conference paper (Refereed)
Abstract [en]

We present here research work on two optical biosensors which have been developed within two separate European projects (6(th) and 7(th) EU Framework Programmes). The biosensors are based on the idea of a disposable biochip, integrating photonics and microfluidics, optically interrogated by a multichannel interrogation platform. The objective is to develop versatile tools, suitable for performing screening tests at Point of Care or for example, at schools or in the field. The two projects explore different options in terms of optical design and different materials. While SABIO used Si(3)N(4)/SiO(2) ring resonators structures, P3SENS aims at the use of photonic crystal devices based on polymers, potentially a much more economical option. We discuss both approaches to show how they enable high sensitivity and multiple channel detection. The medium term objective is to develop a new detection system that has low cost and is portable but at the same time offering high sensitivity, selectivity and multiparametric detection from a sample containing various components (e. g. blood, serum, saliva, etc.). Most biological sensing devices already present on the market suffer from limitations in multichannel operation capability (either the detection of multiple analytes indicating a given pathology or the simultaneous detection of multiple pathologies). In other words, the number of different analytes that can be detected on a single chip is very limited. This limitation is a main issue addressed by the two projects. The excessive cost per test of conventional bio sensing devices is a second issue that is addressed.

Place, publisher, year, edition, pages
2010. Vol. 7715, 77150U-1-77150U-12 p.
, Proceedings of SPIE-The International Society for Optical Engineering, ISSN 0277-786X ; 7715
Keyword [en]
optical sensors, integrated optics, silicon photonics, optical signal distribution, photonic crystals, organic photonics
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-47353DOI: 10.1117/12.854197ISI: 000285087700019ScopusID: 2-s2.0-78751639452ISBN: 978-0-8194-8188-7OAI: diva2:454821
Conference on Biophotonics - Photonic Solutions for Better Health Care II, Photonics Europe, Brussels, BELGIUM. APR 12-16, 2010
QC 20111109Available from: 2011-11-08 Created: 2011-11-08 Last updated: 2011-11-23Bibliographically approved

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Sohlström, Hans
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