molded biocompatible and disposable pdms
TRANSCRIPT
- 1. MOLDED BIOCOMPATIBLE AND DISPOSABLE PDMS/SU-8 INKJET DISPENSER Anas Bsoul*, Simon Beyer, Ali Ahmadi, Boris Stoeber, Edmond Cretu, Konrad Walus The University of British Columbia, Vancouver, CANADA Speaker: Chung- Wei Huang Advisor: Cheng-Hsien Liu 2015.06.16
- 2. Outline Introduction Device fabrication Fabrication result Result Conclusions
- 3. Biocompatible inkjet dispenser Introduction 3D printer Introducing BCN3D Sigma - Independent Dual Extruder 3D Printer The Dolomite Centre Ltd - Micro Droplet Systems Droplet generator
- 4. Introduction Droplet generator Operation issue: 1. Actuation method 2. Actuation efficiency 3. Satellite droplets 4. Size controllability 5. Contamination http://physics.stackexchange.com/questions/53516/satellite-droplets-in-a-breaking-liquid-jet Satellite droplets P. Ben-Tzvi, W. Rone, 2009 Contact mode Piezoelectric Actuation Epson
- 5. Device Biocompatible PDMS/SU-8 inkjet dispenser: Low-cost fabrication process Bio-compatible materials Hydrophobic SU-8 micro-nozzles to limit satellite droplet formation The capability of printing hydrogel constructs A limited cross-contamination risk Disposable Integration with other PDMS microfluidic systems
- 6. Device Fabrication
- 7. Device Fabrication Polyvinyl alcohol (PVA)
- 8. Fabrication Result
- 9. Experimental Setup
- 10. Results
- 11. Conclusions Inkjet dispenser Diameters ranging: 80-130 m Rate: 2-1000 droplets/second Printing hydrogel structures and arbitrary patterns Integration with other PDMS microfluidic chips Applications: Multiple materials 3D printing Biochemical analysis Cell-based assays
- 12. THANK YOU!