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Reference type: Journal
Authors: Lin CY, Tai DF, Wu TZ
Article Title: Discrimination of peptides by using a molecularly imprinted piezoelectric biosensor.
Publication date: 2003
Journal: Chemistry - A European Journal
Volume: 9
Issue: (20)
Page numbers: 5107-5110.
DOI: 10.1002/chem.200304952

Abstract: Based on the direct formation of a molecularly imprinted polymer on gold electrodes, we have developed a peptide sensor for the detection of low-molecular-weight peptides. A new cross-linking monomer, (N-Acr-L-Cys-NHBn)(2), was employed to attach the surface of the chip and to copolymerize with other monomers. Interestingly, N-benzylacrylamide participates in the polymerization and recognition is carried out in an aqueous environment. By using quartz crystal microbalance detection, short peptides can be monitored by their interaction with plastic antibodies specific for the target peptides. The selectivity of molecularly imprinted polymers and the sensitivity of such artificial biosensors have been combined to differentiate between traces of oxytocin and vasopressin to the ng mL(-1) scale


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