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Fig. 1 | BMC Biology

Fig. 1

From: Design and construction of 3D printed devices to investigate active and passive bacterial dispersal on hydrated surfaces

Fig. 1

Cartoon illustrations and photos of the “bacterial trail” and “bacterial bridge” devices. The dimensions of different parts of the two devices are provided in the detailed CAD illustrations in Additional file 1: Fig. S1. In the “trail” device (a), a bar-shaped support structure connects eight liquid reservoirs, including an inoculation well, an end sampling well, and six intermediate sampling wells. In the “bridge” device (b), the support structure to form liquid films is located on the top of two capillaries of 1 mm in diameter and 15 mm in length

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