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Professor Dennis Hess and graduate research assistant Lester Li observe oxygen plasma treatment that exposes the cellulose nanofibrils on their superamphiphobic paper samples. (Georgia Tech Photo: Gary Meek)

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Professor Dennis Hess and graduate research assistant Lester Li observe oxygen plasma treatment that exposes the cellulose nanofibrils on their superamphiphobic paper samples. (Georgia Tech Photo: Gary Meek)