Biochips

Spot of a DNA Biochip

SiO2 surface structured by optical lithography and coated with epoxy silane and DNA

Collaboration: A. Offenhäuser, R. Ghosh Moulick, S. Gilles (INSTITUT FÜR BIO & NANOSYSTEME (IBN2), Jülich, Germany)


		Quality control of chip

		Optical tchickness measurement

		No labelling

Determination of their shape


		SiO2 Surf

		Your Optical Microscope : upright, reflected light (BF challenging, DIC mode for guaranteed success)

The elevated microsquare structures are resist residues.
(scale bar: 20 µm)

- -