Prof. Woo Lee’s GroupChemical Engineering and Materials Science

Inkjet Printing of Nanoenergetics (Andrew Ihnen)

Inkjet Printing of Nanocomposite Micropatterns (Yexin Gu)Bio-Nano-Micro Theme

Explosive Films with Tailorable Morphology for Integration with Flexible Electronics (Patent Pending)

Inkjet Printing of Carbon Nanotubes (Linh Le)

Polymer

RDX Nanocrystals

1 µm

Nano-RDX (25℃) Textured RDX with Laterally Grown Crystals (60℃)

Drug-eluting, Bioresorbable Micropatterns for Bone Tissue Formation and Infection Prevention (Patent Pending)

Osteoblasts

AntibioticNanocrystals

Calcium PhosphateNanocrystals

50 μm

BioresorbablePolymer Matrix

50 μm

150 μm

Electrolyte PVA/H3PO4

Kapton Substrate

CNT electrodes

Flexible Supercapacitor Design Silver

Biomaterials, Nanomaterials, MicrofluidicsBiomaterials, Nanomaterials, Microfluidics

3D Tissue Model of Implant-Related Infection (Helen Lee)

Vascularized 3D Human Tissue Model (Yinfeng Wang)

Self-Organization of Endothelial and Muscle Cells into Vascularized Tissue for Cancer Drug Evaluation

150 m

Biofilm DevelopmentWithout Antibiotic

Dead & IsolatedBacteria with

Antibiotic

5 m 5 m

Collaboration with Prof. Hongjun Wang, BME Collaboration with Prof. Hongjun Wang, BME

50 µm

Self-organization

Fabricated devices

Dead Bacteria

a OsteoblastControl:No

Bacteria

b Dead Bacteria

Sessile Biofilm Active Bacteria

Tissue on a Chip

w/o scaffoldw/ scaffoldafter staining

w/ scaffoldduring culture

Cells morphology

Gel contraction mitigated with scaffold

HypothesisInkjet Printed CNTs

Collaboration with Prof. Hongjun Wang, BME Collaboration with Prof. Hongjun Wang, BME

Device DesignDevice Design

Carbon Nanotube Electrodes for Supercapacitors with

High Power and Energy Density

Simon et al., Nature Materials, 2008

Collaboration with Dr. B. Fuchs and Dr. A. Petrock, Army

Collaboration with Dr. B. Fuchs and Dr. A. Petrock, Army

Collaboration with Dr. B. Fuchs, Dr. A. Petrock, P. Samuels, Dr. Stepanov, Army Collaboration with Dr. B. Fuchs, Dr. A. Petrock, P. Samuels, Dr. Stepanov, Army

Collaboration with Prof. Hongjun Wang, BME

Collaboration with Prof. Hongjun Wang, BME

Stevens Annual Research and Entrepreneurship Day, April 30 2010, Hoboken, New Jersey, USA

1 m

NanomaterialAssembly

Inkjet Printing

Cells

An entirely new way of studying how human tissues respond to biomaterials and pathogens!