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Biointerphases

Journal for Biophysical Chemistry

Figure 2 | Biointerphases

Figure 2

From: Helium beam shadowing for high spatial resolution patterning of antibodies on microstructured diagnostic surfaces

Figure 2

Protein patterning by helium-beam antibody modification followed by BSA passivation. (a) A top-down beam exposure through a mask allows for selective inactivation of the transparent regions of the mask, while (b) a self-aligned beam exposure of the micro-retroreflector structures allowed for formation of patterns in the regions where shadows are cast.

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