Biomaterials, Nanomaterials, Microfluidics
Prof. Woo Lee’s Group
Chemical Engineering and Materials Science
Inkjet Printing of Nanocomposite Micropatterns (Yexin Gu)
Bio-Nano-Micro Theme
Biofilm Development
Without Antibiotic
Drug-eluting, Bioresorbable
Micropatterns for Bone Tissue
Formation and Infection
Prevention (Patent Pending)
Nanomaterial
Assembly
Nanotechnology
5 mm
5 mm
Antibiotic
Nanocrystals
Inkjet Printing
1 mm
Dead & Isolated
Bacteria with
Antibiotic
Calcium Phosphate
Nanocrystals
Biomaterials
Cells
Microdevices
150 mm
50 μm
Osteoblasts
Tissue on a Chip
150 μm
50 μm
Bioresorbable
Polymer Matrix
Collaboration with
Prof. Hongjun Wang, BME
3D Tissue Model of Implant-Related Infection (Helen Lee)
Inkjet Printing of Nanoenergetics (Andrew Ihnen)
Collaboration with Prof. Hongjun Wang, BME
Collaboration with Dr. B. Fuchs, Dr. A. Petrock, P. Samuels, Dr. Stepanov, Army
An entirely new way of
studying how human tissues
respond to biomaterials and
pathogens!
Dead Bacteria
Explosive Films with Tailorable Morphology
for Integration with Flexible Electronics (Patent Pending)
a OsteoblastControl:
No Bacteria
Polymer
b Dead Bacteria
RDX
Nanocrystals
Sessile Biofilm
Active Bacteria
50 µm
1 µm
Textured RDX with Laterally
Grown Crystals (60℃)
Nano-RDX (25℃)
Inkjet Printing of Carbon Nanotubes (Linh Le)
Collaboration with
Dr. B. Fuchs and Dr. A. Petrock, Army
Vascularized 3D Human Tissue Model (Yinfeng Wang)
Collaboration with Prof. Hongjun Wang, BME
Inkjet Printed CNTs
Self-Organization of
Endothelial and Muscle Cells
into Vascularized Tissue for
Cancer Drug Evaluation
Hypothesis
Carbon Nanotube Electrodes
for Supercapacitors with
High Power and Energy Density
Selforganization
Simon et al., Nature
Materials, 2008
w/ scaffold
during culture
Flexible Supercapacitor Design
Silver
w/ scaffold
after staining
w/o scaffold
Device Design
Cells
morphology
Gel contraction mitigated with scaffold
Kapton
Substrate
Fabricated devices
Electrolyte
PVA/H3PO4
CNT electrodes
Stevens Annual Research and Entrepreneurship Day, April 30 2010, Hoboken, New Jersey, USA