A Diatom, Up Close
A Diatom, Up Close

Label-free quantitative-phase image of the diatom Trigonium. Image was taken with an orientation-independent differential interference contrast (OI-DIC) microscope with a 60× water-immersion objective lens. The image width is 90 µm. Specimen was provided by diatom artist Osamu Oku (ncbi.nlm.nih.gov/pmc/articles/PMC5980661).

[OPN 2022 Photo Contest Winner]

—Michael Shribak, Marine Biological Laboratory, Woods Hole, MA, USA

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