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29 December 2004 BioMEMS to bionanotechnology: state of the art in integrated biochips and future prospects
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Proceedings Volume 5593, Nanosensing: Materials and Devices; (2004)
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States
Biomedical or Biological Micro-Electro-Mechanical- Systems (BioMEMS) have in recent years become increasingly prevalent and have found widespread use in a wide variety of applications such as diagnostics, therapeutics and tissue engineering. This paper reviews the interdisciplinary work performed in our group in recent years to develop micro-integrated devices to characterize biological entities. We present the use of electrical and mechanically based phenomena to perform characterization and various functions needed for integrated biochips. One sub-system takes advantage of the dielectrophoretic effect to sort and concentrate bacterial cells and viruses within a micro-fluidic biochip. Another sub-system measures impedance changes produced by the metabolic activity of bacterial cells to determine their viability. A third sub-system is used to detect the mass of viruses as they bind to micro-mechanical sensors. The last sub-system described has been used to detect the charge on DNA molecules as it translocates through nanopore channels. These devices with an electronic or mechanical signal output can be very useful in producing practical systems for rapid detection and characterization of cells for a wide variety of applications in the food safety and health diagnostics industries. The paper will also briefly discuss future prospects of BioMEMS and its possible impact and on bionanotechnology.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Amit Gupta, H. Li, Rafael Gomez, W.-J. Chang, Y. M. Koo, H. Chang, G. Andreadakis, Demir Akin, and Rashid Bashir "BioMEMS to bionanotechnology: state of the art in integrated biochips and future prospects", Proc. SPIE 5593, Nanosensing: Materials and Devices, (29 December 2004);

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