Posted in | Optics and Photonics

Chemotactic and Ca2+ Responses of Sea Urchin Spermatozoon

This video shows the chemotaxis of a sea urchin sperm in Flou-4 (calcium dye) acquired using an Andor iXon EMCCD camera.

The Ca2+ drives the chemotactic response of the sperm along a photoinduced chemoattractant gradient. The images of the chemotactic and Ca2+ responses were captured using Nikon fluorescence microscopy.

Run Time – 0:22sec

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