AI Article Synopsis
- The study uses dissipative particle dynamics to investigate how nanoswimmers distribute between a narrow channel and a larger reservoir.
- Nanoswimmers tend to favor the channel over the reservoir when the applied active force (F_{a}) or run time (τ) is sufficiently high.
- As the height of the channel shrinks, the partition ratio (φ) increases until it is influenced by confinement effects, leading to three distinct concentration profiles due to the interplay of surface accumulation and entropic barriers.
Article Abstract
The partition of nanoswimmers between a narrow channel and a reservoir is explored by dissipative particle dynamics. In contrast to passive colloids, nanoswimmers prefer to stay in the slit rather than in the reservoir for sufficiently large active force (F_{a}) or run time (τ). The partition ratio (φ) increases with F_{a} and τ. Interestingly, as the slit height decreases, φ grows accordingly until the confinement effect dominates. Three types of the concentration profile in the slit are identified as a consequence of the competition between surface accumulation and entropic barrier.
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| http://dx.doi.org/10.1103/PhysRevE.100.042604 | DOI Listing |
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