Microfluidic Device that Generates Arrays of Droplets with Concentration Gradients

Description:

The present invention describes a novel microfluidic device that allows high-throughput screening (HTS) for biological analysis including drug discovery, cellular assays, DNA analysis, protein crystallization and biomedical diagnostics. The technology developed at Texas Tech University offers a facile way to generate spatially defined arrays of nanoliter (billionth of a liter) volumes of fluids in an enclosed device with each individual volume containing a unique composition. For example, 384 nanoliter volumes can be arrayed in the device with the concentration of a reagent varying by 100,000 times using only one microliter of reagent. Fluid mixing and dilutions are made without using any moving parts or external force fields.

 

Market Applications:

Screening (drugs, biomarkers), Genetic Analysis, Proteomics, Cellular Assays and Biomedical Diagnostics.

 

Product Features and Benefits:

  • Device is about the size of a penny and uses only a single pressure source and sample tubing for operation.
  • Vast reduction in complexity and reagent volumes overcomes all of the challenges associated with today’s HTS technologies.
  • Enables low-cost / high-value target screening in a variety of biological applications.

 

Inventor:

Dr. Siva A. Vanapalli, Department of Chemical Engineering, Texas Tech University. 

 

Publications:

Sun, M., Bithi, S. S. and Vanapalli, S. A. "Static microfluidic droplet arrays with tunable gradients in material composition", Nature Materials, Submitted, 2011.

 

Bithi, S. S. and Vanapalli, S. A. "Behavior of a train of droplets in a fluidic network with hydrodynamic traps", Biomicrofluidics, 4, 044110, 2010.

 

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3025453/pdf/BIOMGB-000004-044110_1.pdf

Patent Information:
Category(s):
Device
General Chemistry
For Information, Contact:
David Mcclure
Managing Director of Licensing
Texas Tech Office of Research Commercialization
david.mcclure@ttu.edu
Inventors:
Siva Vanapalli
Keywords: