5_21/2009Microneedle arrays: Small 21/2009

The cover picture shows conically shaped gold microneedles prepared by a new template-based method in correspondingly conically shaped nanopores in polymeric membranes. The key advance with this method is the ability to reproducibly control the lengths of the microneedles, as illustrated by the cover image. For more information, please read the Full Paper “Controlling the Length of Conical Pores Etched in Ion-Tracked Poly(ethylene terephthalate) Membranes” by C. R. Martin et al., beginning on page 2474. Graphics by Don Traub of Image Team.

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