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Streptavidin (4nm) |
| Streptavidin (4nm) |
| PDMS lithography (7nm) |
| Polymer brushes (75 nm) |
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PDMS lithography (7nm) |
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| Collaboration: C.de Crombrugghe, A.Delcorte , S.Yunus, UCL-PCPM, Louvain-la-Neuve (Belgium) |
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| |  | | Quality control of the transfert | | | | | Rapid visualization of defects | | |
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| |  | | Standard surf | | |  | | Plug-in Sarfus 3D | | |  | | Optical Microscope with DIC mode | | | | |
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A structured PDMS stamp is deposited on a Surf. Through hydrophilic transfer, the PDMS gets absorbed on the Surf. Without any labeling, Sarfus optical observation allows imaging directly the pattern of PDMS (line height: 7nm; line width: 1.5 µm; space between lines: 1.6µm). |
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