Journal
SOFT MATTER
Volume 11, Issue 43, Pages 8404-8408Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5sm02041g
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Funding
- National Science Foundation [DMR-1121288, CBET-0754921, MCB-1120832]
- National Institutes of Health [CA108467, AI092004]
- United States Department of Agriculture [WIS01594]
- NATIONAL CANCER INSTITUTE [R01CA108467] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [R21AI092004] Funding Source: NIH RePORTER
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We describe the controlled transport and delivery of non-motile eukaryotic cells and polymer microparticles by swimming bacteria suspended in nematic liquid crystals. The bacteria push reversibly attached cargo in a stable, unidirectional path (or along a complex patterned director field) over exceptionally long distances. Numerical simulations and analytical predictions for swimming speeds provide a mechanistic insight into the hydrodynamics of the system. This study lays the foundation for using cargo-carrying bacteria in engineering applications and for understanding interspecies interactions in polymicrobial communities.
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