| http://www.w3.org/ns/prov#value | - At least the surfaces of the electrodes of FIGS. 1 and 2 that face the reaction zones 110 and 210 within micro-needles 100 and 200, respectively, are comprised of highly conductive metal, such as palladium, gold, platinum, silver, iridium, carbon, doped indium tin oxide, stainless steel and the like, or a combination of such materials.
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