Observing Effects of Calcium/Magnesium Ions and pH Value on the Self-Assembly of Extracted Swine Tendon Collagen by Atomic Force Microscopy

Figure 2

Typical AFM height images of collagen self-assembly at different pH values in 512 × 512 pixels: (a) pH 5.7; (b) pH 7.0; (c) pH 8.0; (d) pH 9.2.

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(b)

(c)

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