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Influence of Biosurfactant on Interactive Forces between Mutans Streptococci and Enamel Measured by Atomic Force Microscopy
C.G. van Hoogmoed*,
R.J.B. Dijkstra,
H.C. van der Mei and
H.J. Busscher
Department of Biomedical Engineering, University Medical Centre Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands

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Figure 1. Scanning electron micrograph of an enamel particle attached to the AFM cantilever. Note the absence of any glue on the enamel surface. Bar represents 10 µm.
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Figure 2. Examples of force-distance curves between S. sobrinus HG 1025 trapped in an Isopore polycarbonate membrane filter and (A) an enamel particle, (B) a biosurfactant-coated enamel particle, (C) an enamel particle with a salivary pellicle, and (D) an enamel particle with a salivary pellicle and biosurfactant-coating. ----, approach curve; —, retraction curve.
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Journal of Dental Research, Vol. 85, No. 1,
54-58 (2006)
DOI: 10.1177/154405910608500109

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