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 | Nanotech 2004 Vol. 1
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 2: Bio Nano Analysis and Characterization |
| | Development of a Slug-Flow PCR Chip with Minimum Heating Cycle Times | | Authors: | S. Hardt, D. Dadic, F. Doffing, K.S. Drese, G. Münchow and O. Sörensen | | Affilation: | Institute of Microtechnology Mainz, DE | | Pages: | 55 - 58 | | Keywords: | microfluidics, PCR, heat transfer, slug flow | | Abstract: | A microfluidic PCR device is presented capable of rapid temperature ramping and handling of sample volumes in the microliter and submicroliter range. The PCR chip comprises a straight micro channel in which a sample slug is periodically moved over three temperature zones. As part of the sample preparation a method for metering of the sample volume was developed. The PCR chip and the chips for sample preparation and fluidic actuation were fabricated by ultra-precision milling in polymer substrates. Computer simulations suggest that the sample slugs are heated or cooled on a time scale of some ten milliseconds when transported to a different temperature zone. The fluidic actuation based on a ferrofluid transducer is capable of positioning the sample volumes with a high accuracy after a large number of cycles. The design developed should be ideally suited for fast PCR of small sample amounts in a highly parallel manner. | | ISBN: | 0-9728422-7-6 |
| Pages: | 521 |
| Hardcopy: | $150.00 |
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