Image of the month

Diatoms

This month EMLab has been working closely with Thames Water on an external project looking at filtered residue from a river. We captured images of various samples including this one of a Diatom on filter paper. Diatoms are found in most aquatic environments and are photosynthesising algae. With a marginal ring of processes and radial symmetry but no polarity this diatom belong to the suborder Coscinodiscineae. The image was recorded using the Quanta SEM under low vacuum and artificially coloured.

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