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Fabrication of Microparticles with Customizable Size, Shape and Interfacial and Mechanical Properties

UW ID: 18-009


Description of Technology

          Hydrogels are a gel substance that have water as the liquid component. They have been engineered and used for different applications including drug delivery, cell delivery, and tissue engineering. Reducing the size of these hydrogels to nanoscale and microscale level would greatly extend the range of applications.  Hydrogels based on polyethylene glycol (PEGDA) have been widely used but have proved to be difficult to miniaturize. The main barrier of miniaturizing the hydrogels is that oxygen inhibits the necessary chain growth polymerization. Even worse, this inhibition is exacerbated the smaller the hydrogels go.

          Researchers at University of Wyoming have invented a method that exploits the oxygen-inhibited photopolymerization to produce size-controlled PEGDA hydrogel particles inside of oil droplets. This allows the size and size distribution of the hydrogels to be tightly controlled. These miniature hydrogels will replace existing, more cumbersome solutions, or even enable an application for which no current method exists.

 

Applications

          The new hydrogels can be used in existing applications more efficiently and can possibly create new applications for which there is no current method.

 

Features & Benefits

  • Allows the size and size distribution of hydrogels to be tightly controlled
  • Can create smaller hydrogels than the current method
  • Can create new applications of hydrogels for which no current method exists

Downloadable PDF: 18-009

Inventors: 

John Oakey

Dongmei Li

Daniel Debroy

Carl Frick

Rajib Shaha


Patent Status:  

Patent Pending


Contact Us: 

University of Wyoming Technology Transfer and Research Products Center 

Dept. 3672

1000 E. University Ave. 

Laramie, WY 

82071 

Phone: 307-766-2520

Fax: 307-766-2530

Email: WyomingInvents@uwyo.edu


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Wyoming Technology Transfer and Research Products Center

Dept. 3672

1000 E. University Ave.

Laramie, WY 82071

Phone: (307) 766-2520

Fax: (307) 766-2530

Email: WyomingInvents@uwyo.edu

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