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Figure 8 | Journal of Nanobiotechnology

Figure 8

From: Efficiency, error and yield in light-directed maskless synthesis of DNA microarrays

Figure 8

Mirror-edge scattering is a form of local flare that is imaged to the synthetic surface and leads to exposure in the interstices between the synthesis pixels for both ON and OFF mirror positions. A. Simulated edge scattering using Silvaco Optolith. B. Cy3-labeled, single dT microarray synthesized using long exposure only with OFF mirrors. C. Simulated exposure with ON mirrors. D. Cy3-labeled, single dT microarray synthesized using normal exposure with ON mirrors. The central dark regions are due to the mirror support post (part of the DMD mechanics), which both reduces mirror reflection in the center and introduces additional scattering.

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