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Chitohexaose and chitosan hexamer were site-selectively modified at each reducing end with thiosemicarbazide, followed by self-assembly chemisorption of the S-derivatives on a gold substrate via S–Au bonding. Quartz crystal microbalance analysis and X-ray photoelectron spectroscopy suggested successful formation of self-assembled monolayers (SAMs) consisting of chitin and chitosan with sugar densities...
Hyaluronan (HA)-fixed layers were successfully prepared on a gold coated glass plate via self-assembly chemisorption of HA derivatives whose aldehydic reducing ends were selectively modified with thiosemicarbazide (TSC). Quartz crystal microbalance analysis and X-ray photoelectron spectroscopy suggested formation of the HA layers on the gold surfaces through spontaneous S–Au interaction, resulting...
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