Organic nanofiber nanosensors

M. Madsen; M. Schiek; P. Thomsen; N. L. Andersen; A. Lützen; H.-G. Rubahn

doi:10.1117/12.731427

25 September 2007 Organic nanofiber nanosensors

M. Madsen, M. Schiek, P. Thomsen, N. L. Andersen, A. Lützen, H.-G. Rubahn

Author Affiliations +

Proceedings Volume 6769, Nanosensing: Materials, Devices, and Systems III; 676908 (2007) https://doi.org/10.1117/12.731427
Event: Optics East, 2007, Boston, MA, United States

Abstract

A new way of developing optical nanosensors is presented. Organic nanofibers serve as key elements in these new types of devices, which exploit both the smallness and brightness of the nanoaggregates to make new compact and sensitive optical nanosensors. On the basis of bottom up technology, we functionalize individual molecules, which are then intrinsically sensitive to specific agents. These molecules are used as building blocks for controlled growth of larger nanoscaled aggregates. The aggregates in turn can be used as sensing elements on the meso-scale in the size range from hundred nanometers to a few hundred microns. The organic nanofibers thereby might become a versatile tool within nanosensor technology, allowing sensing on the basis of individual molecules over small aggregates to large assemblies. First experiments of Bovine Serum Albumin (BSA) coupling to para-hexaphenyl (p-6P) nanofibers are presented, which could lead towards a new type of protein sensors. Besides large versatility and sensitivity, the nanofibers benefit from the fact that they can be integrated in devices, either in liquids by the use of microfluidic cavities or all in parallel.

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M. Madsen, M. Schiek, P. Thomsen, N. L. Andersen, A. Lützen, and H.-G. Rubahn "Organic nanofiber nanosensors", Proc. SPIE 6769, Nanosensing: Materials, Devices, and Systems III, 676908 (25 September 2007); https://doi.org/10.1117/12.731427

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