Home
medeaLAB Tracking Close Window

Negative gravitaxis of green alga Euglena gracilis

Euglena gracilis
The unicellular green alga Euglena gracilis is guided by negative gravitaxis towards the surface.

Simultaneous tracking of up to 200 cells in realtime for arbitrary time periods

Computation of velocity and directional distribution (polarogram = circular histogram)

Demo (AVI-Video - 11 sec. - 1,07 MB)
Polarogram (circular histogram) of movement vectors