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A glass surface is hydrophilic, meaning it attracts water. This is often an advantage when working with glass microfluidic chips, but in certain applications you would need the surface to be hydrophobic or modified with a coating that prevents adsorption of small molecules.
In drug development, for instance, compounds can be screened using microfluidic chips. In order to prevent compounds to stick in the channel, a coating should be applied to the channel walls.
Coating of Glass
By using a proprietary
ultra thin surface treatment method, Micronit can modify the glass surface in
the channels, for instance creating anti-stiction or hydrophobic surfaces and
channel walls. This improves the reliability of the experiments.
The image at the right, for instance, shows a water droplet on a coated glass surface.