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Catalytic Motors for Transport of Colloidal Cargo
Abstract
Autonomous micro- and nanomotors should, in principle, deliver materials in a site-directed fashion, powering the assembly of dynamic, nonequilibrium superstructures. Here we demonstrate that catalytic Pt-Au nanomotors can transport a prototypical cargo: polystyrene microspheres. In addition, motors with Ni segments can overcome both Brownian orientational fluctuations and biased rotation of the rod-sphere doublet to enable persistent steerable uniaxial motion in an external magnetic field. Assuming a cargo-independent motive force, the speeds are inversely proportional to the Stokes resistance, which we compute using a completed double-layer boundary integral equation. In addition, we demonstrate motors transporting cargo via chemotaxis toward a H2O2 fuel source.
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Purcell, E. M. (1977) · American Journal of Physics · doi:10.1119/1.10903 · Cited by 4,360
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Hydrogen-Bubble-Propelled Zinc-Based Microrockets in Strongly Acidic Media
Gao, W., Uygun, A., & Wang, J. (2012) · Journal of the American Chemical Society · doi:10.1021/ja210874s · Cited by 389
Molecular Cargo Delivery Using Multicellular Magnetic Microswimmers
Yan, X., Xu, J., Zhou, Q., Jin, D., Vong, C. I., Feng, Q., Ng, D. H. L., Bian, L., & Zhang, L. (2019) · Applied Materials Today · doi:10.1016/j.apmt.2019.02.006 · Cited by 94
Green Synthesis of Nanoparticles and Their Application in Cancer Therapy
De Matteis, V., Cascione, M., Rizzello, L., Liatsi-Douvitsa, E., Apriceno, A., & Rinaldi, R. (2020) · Green Synthesis of Nanoparticles: Applications and Prospects · doi:10.1007/978-981-15-5179-6_8 · Cited by 9
Metadata
- Authors
- Sundararajan, S., Lammert, P. E., Zudans, A. W., Crespi, V. H., & Sen, A.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-04-17
- Volume
- 8
- Issue
- 5
- Pages
- 1271-1276
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2038185026
- Cited by
- 388
- References
- 1
- FWCI
- 20.25
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sundararajan, S., Lammert, P. E., Zudans, A. W., Crespi, V. H., & Sen, A. (2008). Catalytic Motors for Transport of Colloidal Cargo. Nano Letters. https://doi.org/10.1021/nl072275j
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
