Multifunctional PDMS tips fabricated by polymer casting of KOH etched pyramidal p its
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Transcript of Multifunctional PDMS tips fabricated by polymer casting of KOH etched pyramidal p its
![Page 1: Multifunctional PDMS tips fabricated by polymer casting of KOH etched pyramidal p its](https://reader036.fdocuments.us/reader036/viewer/2022062718/56812d5f550346895d926b3c/html5/thumbnails/1.jpg)
19-04-2023
Challenge the future
DelftUniversity ofTechnology
Multifunctional PDMS tips fabricated by polymer casting of KOH etched pyramidal pitsFirst Presentation; Project Defence
Kees Schilder
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2Polymer Tip Arrays |
Introduction
• Polymer tip array• Increase of throughput• Challenge is inclination of tip
array• Advantage of PDMS
• Compliance• Stiffness
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3Polymer Tip Arrays |
Applications
• Proteome analysis
• Cleaning
• Direct write lithography
F. Huo et al., Polymer Pen Lithography, Science (2008)
C. Wingren et al., Progress in miniaturization of protein arrays – a step closer to high-density nanoarrays, Drug
Discovery Today (2007)
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4Polymer Tip Arrays |
Fabrication Process - Pits
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5Polymer Tip Arrays |
Fabrication Process - Pits & Holes – 1.1Fabrication Process - Pits & Holes – 1.2
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6Polymer Tip Arrays |
Fabrication Process - Pits & Holes – 2.1Fabrication Process - Pits & Holes – 2.2Fabrication Process - Pits & Holes – 2.3
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7Polymer Tip Arrays |
Mask Design
• Simple design• Various configurations
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8Polymer Tip Arrays |
Timeline - MilestonesWhat has been doneWhat has to be done
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9Polymer Tip Arrays |
Expected Challenges
• Producing of (very) small tips due to the viscosity of PDMS
• PDMS to SiO2 bonding
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10Polymer Tip Arrays |
Questions & Discussion