Radiation Sensor
In junction with this research, Heiti has been photographing cells and organisms with simple light and confocal microscopies for ~30 years. He first studied neuronal growth coned during development and then joined an Arabidopsis lab in 2000 to study organelle movement in plants– two fields for which microscopy is essential. Remarkably, his only formal training on digital microscopy was a 1-week EMBO practical course on Electronic Light Microscopy.
Image: Stamen hair cells from a Spiderwort (Tradescantia) plant imaged with differential interference contrast microscopy. The small, circular indentations are nuclei, while the granular substance lining the cell wall, called “protoplasm,” generates striations across the cells. These stamen hairs are initially blue, but when exposed to ionizing radiation, they mutate and change to pink.
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