Current funding: NSF; SWEHSC (NIH); WET (NSF); CVTG (NIH)
Past funding: Seoul VioSys; APQA; WSP; Tech Launch Arizona; BIO5 Institute; Desert Tech; WAESO (NSF); NVRQS; NIH; NSF; Arizona Department of Commerce; Theradiag; University of Arizona
DOTS qPCR
Objective: Handheld PCR system utilizing interfacial tension for pathogen identification.
Researchers: Dustin Harshman, Tu San Park, Tyler Toth
Collaborator: Prof. David Galbraith (U Arizona)


1. DOTS qPCR device. 2. DOTS qPCR with smartphone monitoring of interfacial tension. 3. Interfacial effects enable low theshold cycle detection and inhibition relief.
Medical diagnostics
Objective: Smartphone biosensors for medical diagnostics
Researchers: Tu San Park, Cayla Baynes, Soohee Cho, Robin Sweeney, Tigran Nahapetian


1. Smartphone attachment for quantifying the band intensities from lateral flow assays. 2. Smartphone-based fluorescence microscope. 3. Paper microfluidics for quantifying bacteria. 4-5. Smartphone application for quantifying the optical signals from paper microfluidics.
Tissue Engineering and Organ-on-a-Chip
Objective: Use of nanostructured surfaces for tissue engineering and organ-on-a-chip applications.
Researchers: Ariana Nicolini, Soohee Cho, Tyler Toth, Collin Gilchrist
Collaborators: Prof. Terrence Monks (U Arizona)

1-2. Nanostructured ensemble surfaces on e-beam nanopatterns and electrospun nanofibers. 3. Organ-on-a-chip system. 4. In situ GGT monitoring on organ-on-a-chip.
Air Quality
Objective: Lab-on-a-chip or light-scatter biosensing for air quality.
Researchers: Katherine McCracken


1. Lab-on-a-chip is attached to a smartphone for optical detection. 2. Monitoring H1N1 flu from a mock-up human environment with lab-on-a-chip. 3. CFD simulation for aerosol transport within animal housing. 4. Mie scatter simulation for microbeads and dust particles.
Food Safety and Water Quality
Objective: Lab-on-a-chip for food safety and water quality.
Researchers: Katherine McCracken, Tu San Park, Robin Sweeney
Collaborator: Prof. Kelly Reynolds (U Arizona)


1. E. coli detection from lettuce. 2. Salmonella detection from poultry packaging. 3. Monitoring bacterial contamination from soil with lab-on-a-chip. 4. Monitoring microbial contamination on ground beef with smartphone. 5. Wine tasting on paper microfluidics.

Last revised: June 15, 2015.