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Ranunculus (buttercup) pollen grain

Life Sciences

Background image.

The SEM image shows of ranunculus (buttercup) pollen grains. The sample was prepared using the Quorum PP3010 Cryo Preparation System. The sample was cryo-immobilised in Slush nitrogen at -207 °C, fractured at -140 °C, and sputtered with Iridium (1-2 nm).