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The main function of a sizing in a composite is to fill interface between fibre and polymer matrix. This coating process contributes to increase adhesion between fibre and matrix, and therefore improve mechanical properties of the composites. The aim of this study was to optimize sizing formulations by identifying the experimental parameters influencing the particle size, distribution size and stability...
Molecular imprinted polymers (MIP) were prepared by the copolymerization of styrene (S) or methyl methacrylate (MMA) and methacrylic acid (MAA) using ethylene glycol dimethacrylate (EGDMA) as the crosslinker with molar ratios of [monomer]/[crosslinker] and [MAA]/[template] of 3:7 (to obtain a rigid structure) and 1:6 (to optimise hydrogen interactions), respectively. The polymerizations occurred in...
Modification of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) activity from Lactococcus lactis was undertaken during batch fermentation on lactose, by adding various concentrations of iodoacetate (IAA), a compound which specifically inhibits GAPDH at low concentrations, to the culture medium. As IAA concentration is increased, GAPDH activity diminishes, provoking a decrease of both the glycolytic...
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