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An electrochemical DNA biosensor for the detection of carcinoembryonic antigen-related cell adhesion molecule (CEACAM5), a specific tumor marker for colorectal cancer, is presented. The biosensor based on microelectronicmechanical systems (MEMS) technology, consists of a three electrode configuration where the working electrode is a gold thin-film. The immobilization of the previously designed DNA...
A biosensor for the detection of food-borne pathogens (Salmonella Enteritidis) was fabricated based on nanoporous silicon (NPS). P-type silicon wafers (100, 0.01 ) were anodized electrochemically in an electrochemical Teflon cell, containing ethanoic hydrofluoric acid solution to produce the porous layer on the silicon surface. The porous silicon surface was functionalized with DNA probes specific...
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