Camera-enabled techniques for organic synthesis

Steven V. Ley, Richard J. Ingham, Matthew O’Brien and Duncan L. Browne

Beilstein J. Org. Chem. 2013, 9, 1051–1072. https://doi.org/10.3762/bjoc.9.118

Supporting Information

Supporting Information File 1: A video assembled from stop-motion photographs of the piperazic acid mixture within the crystallisation apparatus shown in Figure 11. The images were taken at one-minute intervals, and the video was then produced by using each image as a single frame. The crystallisation process can be seen to begin after about 20 s, and is visible against the dark background. A video such as this can be played back once the crystallisation is complete to record the timestamps between which the crystal formation was occurring. A new temperature gradient can then be designed based on these data.
Format: MP4 Size: 1.4 MB Download
Supporting Information File 2: A video showing a few seconds of footage during the operation of a proof-of-concept magnetic-induced flow mixer [63]. The mixer consists of a polymer tube containing a magnetic stirring bead. Outside the tubing are two electromagnetic coils, which can be energised with opposing voltages from a power supply to attract or repel the stirrer bead. This device was used to enable the processing of heterogeneous slurries in continuous flow.
Format: MP4 Size: 258.2 KB Download
Supporting Information File 3: A video showing a glass bottle containing a semipermeable polymer tubing, initially filled with an acidic solution of bromocresol green dye. At the start of the video, ammonia gas is flushed through the bottle. The colour change of the indicator dye from orange, to green and then blue shows the pH of the solution increasing as the ammonia gas passes through the tubing and dissolves into solution.
Format: MP4 Size: 1.1 MB Download
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