Abstract
It is known that glucosamine/chitosan derivatives have the ability of inhibiting bacterial adhesion to tooth and biomaterial surfaces. The hypotheses of this article included 1) the inhibition effects of different (chemically) glucosamine products are different and 2) more water-soluble glucosamine preparation(s) may have a superior inhibition effect. The basic testing systems are in vitro static adhesion models and the amount of the adhesion is evaluated by direct counting using epifluorecense microscopy. The test material is a smooth surfaced commercially pure titanium (cp-Ti). The bacterium tested is Staphylococcus aureus. The results showed that compared to the control samples (without glucosamine or chitosan coating) the sulfated p-GlcNAc and Sigma glucosamine HCl significantly inhibited S. aureus adhesion to titanium surfaces (94% and 78% respectively)
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