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Piezoelectric quartz crystal impedance (PQCI) analysis was applied to study the binding of L-tryptophan to human serum albumin (HSA), which was immobilized on the matrix of bare gold elelctrode/chitosan/glutaraldehyde/cysteamine/nanogold particles to maintain biocompatibility, increase capacity and allow renewing the electrode. The real-time course of the resonant frequency and equivalent circuit...
Self-assembled monolayer (SAM) techniques offer a new strategy for the immobilization of antibodies, antigens and DNA on the surface of quartz crystal electrodes. The quartz crystal microbalance (QCM) system provides a unique opportunity to monitor, in-situ and in real-time, the rate of adsorption of ethanthiol onto gold. The change in frequency resulting from the adsorption of ethanthiol molecules...
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