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An ultrasensitive electrochemical immunosensor for detection of Salmonella has been developed based on using high density gold nanoparticles (GNPs) well dispersed in chitosan hydrogel and modified glassy carbon electrode. The composite film has been oxidized in NaCl solution and used as a platform for the immobilization of capture antibody (Ab 1 ) for biorecognition. After incubation in Salmonella...
In this study, we report a new multiplexed microchip platform exploiting a peptide-modified gold surface and a labeled electrochemical approach. The significance of the presented methodology lies in its ability to test related analytes, such as protein kinases and human immunodeficiency virus (HIV) proteins, that operate under separate mechanisms using a single device without interference. The technology...
This manuscript describes an electrochemical approach to the detection of the reverse transcriptase of the human immunodeficiency virus type-1 (HIV-1 RT) in serum exploiting an organometallic peptide conjugate that is chemically linked to a nanostructured gold surface. The assay format is based on the formation of a thin film of a ferrocene-labeled lipoic acid (Fc-LA) onto a gold nanoparticles-functionalized...
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