Sensing macromolecules with microelectronics

F. Keith Perkins; L M Tender; S J Fertig; Martin C. Peckerar

doi:10.1117/12.465477

24 July 2002 Sensing macromolecules with microelectronics

F. Keith Perkins, L M Tender, S J Fertig, Martin C. Peckerar

Proceedings Volume 4608, Nanostructure Science, Metrology, and Technology; (2002) https://doi.org/10.1117/12.465477
Event: Workshop on Nanostructure Science, Metrology, and Technology, 2001, Gaithersburg, MD, United States

Abstract

Biological macromolecules (such as proteins, DNA, and RNA) are the machinery of biological processes. Sensors enabling quantitative, real-time detection of these objects promise an enhanced understanding and management of disease and illness, with obvious application to medicine and public health. Ideally, these such biosensors would be useable in the field, at medical point of care, or even in vivo, all of which places where sample preparation would be minimal and use of labeling reagents (e.g., fluorescently labeled antibodies) not practical. In a collaboration between the Electronics Science and Technology Division and the Center for Bio/Molecular Science and Engineering we have developed a microelectronic biosensor capable of label-free detection of a variety of biological macromolecules. When fully realized and implemented as elements in an array format, this biosensor may enable low cost, simultaneous, real-time detection of thousands of target macromolecules from small sample volumes (10's of ?liters) or even in vivo. We describe here the construction and performance of an example sensor based on conventional siliconbased technology, as well as future applications.

Citation Download Citation

F. Keith Perkins, L M Tender, S J Fertig, and Martin C. Peckerar "Sensing macromolecules with microelectronics", Proc. SPIE 4608, Nanostructure Science, Metrology, and Technology, (24 July 2002); https://doi.org/10.1117/12.465477

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