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Updated: Jan 3, 2026

Controlling Flow Speeds of Microtubule-Based 3D Active Fluids Using Temperature
Published on: November 26, 2019
Guided active particles
Reinaldo García-García1, Pierre Collet2, Lev Truskinovsky1
1PMMH, CNRS UMR 7636, ESPCI Paris, Université PSL, 10 rue de Vauquelin, F-75005 Paris, France.
Abstract:
To account for the possibility of an externally driven taxis in active systems, we develop a model of a guided active drift which relies on the presence of an external guiding field and a vectorial coupling between the mechanical degrees of freedom and a chemical reaction. To characterize the ability of guided active particles to carry cargo, we generalize the notion of Stokes efficiency extending it to the case of stall conditions. To show the generality of the proposed mechanism, we discuss guided electric circuits capable of turning fluctuations into a directed current without a source of voltage.
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