Photonic crystal structures having a plurality of air columns and coating such structures to provide structures with improved performance are described herein. The coating includes a material that coats an uppermost portion of a photonic crystal structure, wherein the photonic crystal structure comprises a plurality of air columns and wherein the plurality of air columns are coated on their uppermost surface by the coating material.

 
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> RNA interference mediated inhibition of interleukin and interleukin receptor gene expression using short interfering nucleic acid (siNA)

> RNA interference mediated inhibition of interleukin and interleukin receptor gene expression using short interfering nucleic acid (siNA)

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