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Figure 2

From: Composite structure of silken threads and a proteinaceous hydrogel which form the diving bell wall of the water spider Agyroneta aquatica

Figure 2

Dried structure of diving bell walls, demonstrating various types of silk threads and remains of the proteinaceous hydrogel at crossover points. A: Air-dried sheet-web stretched out on a PVC net and examined under a light microscope (no fixation, no staining). B: SEM-photo of a drying sheet-web during evacuation, examined under a Fei Quanta FEG 250. C: SEM-photo of a diving bell wall by a Hitachi S 520, after gold coating en vacuo.

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