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Despite the wide applicability and specificity of lectins to carbohydrate moieties, there are few lectin specific biosensors. This is attributed to the difficulty in defining the relevant experimental parameters to measure for sensing. We hereby describe the development of direct and indirect electrochemical sensors to determine the exact trace amounts of probarley lectin (ProBL) and its conversion...
A surface-enhanced Raman scattering (SERS) based procedure was investigated for potential applications in the direct identification of selected anthraquinone dyes on works of art objects. The simplicity and effectiveness of this procedure was demonstrated in a proof-of-concept experiment. A microscopic fragment containing alizarin or lac dye was removed from a painting. A layer of silver nanoparticles...
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