Particle Sciences Completes Development of Unique Surface Modification System

FOR IMMEDIATE RELEASE
(Free-Press-Release.com) May 28, 2009 -- Bethlehem, PA, May 28, 2009 -- Particle Sciences Inc. today announced the development
of a unique film-forming system with applications ranging from tissue hydration to the passivation of medical device surfaces. “The backbone of the system is a series of
patent-pending polymers that allow Particle Sciences to “dial in” the desired contact
angle” says Andrew Loxley, PS’ Director of New Technologies.
Particle Sciences has already used the system to develop an ocular formulation for one of

its clients. Early clinical results are very promising but are still embargoed. “In this
application, we were able to achieve substantial improvement over existing products in
terms of degree and duration of activity using this newly developed approach” says
Robert Lee, PS’ VP Pharmaceutical Development.

Dr. Lee adds that “This technology adds to the broad array of approaches Particle
Sciences has to address our clients’ needs. As formulations become increasingly
challenging, Particle Sciences has positioned itself well with the development and
acquisition of various technologies and capabilities focused on drug delivery.”

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