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UCF nanoparticle discovery opens door for pharmaceuticals
Date:8/7/2012

What a University of Central Florida student thought was a failed experiment has led to a serendipitous discovery hailed by some scientists as a potential game changer for the mass production of nanoparticles.

Soroush Shabahang, a graduate student in CREOL (The College of Optics & Photonics), made the finding that could ultimately change the way pharmaceuticals are produced and delivered.

The discovery was based on using heat to break up long, thin fibers into tiny, proportionally sized seeds, which have the capability to hold multiple types of materials locked in place. The work, published in the July 18 issue of Nature, opens the door to a world of applications.

Craig Arnold, associate professor of Mechanical and Aerospace Engineering at Princeton University and an expert in laser material interactions who did not work on the project, said no one else in the field has been able to accomplish that feat.

With a new non-chemical method of creating identical particles of any size in large quantities, "the possible applications are up to your imagination," Arnold said.

The most immediate prospect is the creation of particles capable of drug delivery that could, for example, combine different agents for fighting a tumor. Or it could combine a time-release component with medications that will only activate once they reach their target infected cells.

"With this approach you can make a very sophisticated structure with no more effort than creating the simplest of structures," said Ayman Abouraddy, an assistant professor at CREOL and Shabahang's mentor and advisor. Abouraddy has spent his career, first at the Massachusetts Institute of Technology and now at UCF, studying the fabrication of multimaterial fibers.

The technique relies on heat to break molten fibers into spherical droplets. Imagine water dripping from a faucet. Glass fibers are perhaps best known as the cylindrical cables that
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Contact: Barbara Abney
407-823-5139
University of Central Florida
Source:Eurekalert  

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