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Force versus distance curves between log-phase diatoms and Intersleek (a and b) or mica (c and d) surfaces. Analogous to force curves with stationary-phase diatoms (Fig. 3), log-phase diatoms display very adhesive, adhesive, or nonadhesive characteristics. The force curves in a and c were obtained with the same diatom (number 12 in Table 2) and b and d were acquired with diatoms 11 and 6, respectively.
