Dolomite develops lab-on-a-chip with integrated electrodes

Published: 2-Aug-2011
Manufacturing Analysis

Can be embedded between two glass layers or placed on top of a microfluidic chip

Microfluidics expert Dolomite has been involved in a number of projects integrating electrode features in microfluidic devices and combining the advantages of both microfluidics and electrochemistry.

Embedded between two glass layers or placed on top of a microfluidic chip, electrodes enable on-chip functionality including electrical impedance spectrometry, electrophoresis, amperometric detection, electrical heating and high voltage microfluidic experimentation.

The Royston, Hertfordshire-based firm’s thermal bonding process allows the creation of complex and leak free microfluidic structures with electrodes as small as 2µm. An additional layer of PECVD oxide or PECVD nitride can be applied to the electrodes for insulation.

Available in a range of materials, including platinum, copper, titanium and gold, the electrodes can cover up to 50% of the microfluidic chip (when bonded).

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