Preactivated ester gel type sensor chips in combination with the CFM spotter are most convenient for general ligand coupling applications. Standard IBIS sensor chips are:
· bare gold· P-type (planar - 2D)
· G-type (gel – 3D)· Pre-activated ester (gel-type)
· Dedicated (Streptavidin, protein A, anti-IgG· Custom made (as a service)
Inspection of the sensor surface can be carried out directly from the reflectivity image acquired by the camera. In this way defects of the surface (e.g. scratches in coatings or adsorption of dust particles) can be inspected and position of the regions of interests can be modified.
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