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Three-dimensional control of Tetrahymena pyriformis using artificial magnetotaxis
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We demonstrate three-dimensional control with the eukaryotic cell Tetrahymena pyriformis (T. pyriformis) using two sets of Helmholtz coils for xy-plane motion and a single electromagnet for z-direction motion. T. pyriformis is modified to have artificial magnetotaxis with internalized magnetite. To track the cell’s z-axis position, intensity profiles of non-motile cells at varying distances from the focal plane are used. During vertical motion along the z-axis, the intensity difference is used to determine the position of the cell. The three-dimensional control of the live microorganism T. pyriformis as a cellular robot shows great potential for practical applications in microscale tasks, such as target transport and cell therapy.
Title: Three-dimensional control of Tetrahymena pyriformis using artificial magnetotaxis
Description:
We demonstrate three-dimensional control with the eukaryotic cell Tetrahymena pyriformis (T.
pyriformis) using two sets of Helmholtz coils for xy-plane motion and a single electromagnet for z-direction motion.
T.
pyriformis is modified to have artificial magnetotaxis with internalized magnetite.
To track the cell’s z-axis position, intensity profiles of non-motile cells at varying distances from the focal plane are used.
During vertical motion along the z-axis, the intensity difference is used to determine the position of the cell.
The three-dimensional control of the live microorganism T.
pyriformis as a cellular robot shows great potential for practical applications in microscale tasks, such as target transport and cell therapy.
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