Advances in OptoElectronics / 2011 / Article / Fig 4

Research Article

An Optically Controlled 3D Cell Culturing System

Figure 4

Hydrogel area versus time for various optically absorbent substrates. The optically smallest pattern that effectively produced gel was determined for each substrate, using the computer projector light source. The graph shows the average hydrogel area measured across five trials and the standard deviation for each. A two-minute delay between subsequent trials allowed sufficient time for the device to return to room temperature.

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