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Modification of alumina matrices through chemical etching and electroless deposition of nano-Au array for amperometric sensing

By Valin&#269, Malferrari Luciana, Jagminas Ar&#363, Kuzmarskyt&#279 and Malinauskas Albertas


<p>Abstract</p><p>Simple nanoporous alumina matrix modification procedure, in which the electrically highly insulating alumina barrier layer at the bottom of the pores is replaced with the conductive layer of the gold beds, was described. This modification makes possible the direct electron exchange between the underlying aluminum support and the redox species encapsulated in the alumina pores, thus, providing the generic platform for the nanoporous alumina sensors (biosensors) with the direct amperometric signal readout fabrication.</p

Topics: EIS, Modification morphology, Nanoparticles, Porous alumina, Chemistry, QD1-999, Science, Q, DOAJ:Chemistry (General), DOAJ:Chemistry, Materials of engineering and construction. Mechanics of materials, TA401-492
Publisher: Springer
Year: 2007
DOI identifier: 10.1007/s11671-007-9043-y
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