Current funding: KIOST; Tech Launch Arizona; CVTG (NIH); WET (NSF); Tucson Water
Past funding: BIO5 Institute; NSF; SWEHSC (NIH) Seoul VioSys; APQA; WSP; Tech Launch Arizona; Desert Tech; WAESO (NSF); NVRQS; NIH; Arizona Department of Commerce; Theradiag; University of Arizona
Collaborators: Prof. Raymond Wong (U Arizona); Prof. David Galbraith (U Arizona); Prof. Kelly Reynolds (U Arizona)
Medical Diagnostics
Objective: Smartphone- and Arduino-based biosensors for diagnosing tissue and blood
Researchers: Matthew Bills, Tiffany Ulep, Cayla Baynes, Katelyn Sosnowski, Ryan Zenhausern, Brandon Nguyen, Alana Gonzalez, Laurel Dieckhaus


1-2. Smartphone app quantifies optical signals from paper microfluidics. 3. Smartphone-based fluorescence microscope takes images from paper microfluidics. 4. Instant optical scanner device for identifying skin infection, wound infection, and cancer biopsy.
Water Quality and Food Safety
Objective: Handheld biosensors for water quality and food safety.
Researchers: Soo Chung, Matthew Bills, Christian Jennings, Elizabeth Budiman, Katelyn Sosnowski, Brandon Nguyen, Sean Perea


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.
Handheld LAMP and PCR
Objective: Handheld LAMP and PCR systems utilizing interfacial tension for pathogen identification.
Researchers: Tiffany Ulep, Kattika Kaarj, Kenneth Schackart, Patarajarin Akarapipad, Katelyn Sosnowski, Laurel Dieckhaus


1. Mie scatter and interfacial tension-based real-time quantification from emulsion LAMP. 2. DOTS qPCR device with smartphone monitoring of interfacial tension. 3. Interfacial effects enable low theshold cycle detection and inhibition relief.
Organ-on-a-Chip
Objective: Paper-based organ-on-a-chip for angiogenesis, drug/food toxicology, and neuromuscular junction studies.
Researchers: Kattika Kaarj, Kenneth Schackart, Marianne Madias, Patarajarin Akarapipad, Jennifer Ngo, Christina Loera

1. Nanostructured ensemble surfaces on e-beam nanopatterns and electrospun nanofibers. 2. Smartphone-based in situ monitoring of organ-on-a-chip. 3. Angiogenesis on paper-based organ-on-a-chip. 4. Arduio-based organ-on-a-chip system for inducing flow and mechanical stimuli to paper-based organ-on-a-chip.

Last revised: August 29, 2018.