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This work illustrates how polyamide nanofibrous membranes, prepared by the electrospinning process, can act as a new type of biosensor element. The sensing unit is based on a glassy carbon electrode coated with polyamide nanofibrous membranes, in which glucose oxidase is covalently tethered. The work is carried out by means of transient electrochemical techniques, such as cyclic voltammetry and amperometry,...
A novel optical assay for sugar determination based on the catalytic and biocatalytic growth of gold nanoparticles (AuNPs) is presented. The reaction of carbohydrates with these Au salts in alkaline media generates AuNPs at room temperature (RT) without the need for Au seeds in the solution or fibrous mesh. The optical properties of the resulting AuNPs relates to the total reducing sugar content of...
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