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Motion Analysis of Self-Propelled Pt−Silica Particles in Hydrogen Peroxide Solutions
Abstract
Silica microspheres that are half-coated with platinum metal undergo self-propulsion in solutions of H(2)O(2), with the average speed increasing with increasing H(2)O(2) concentration. Microscopic observation of the particle motion, with segmentation of the image data, demonstrates that the particles move, on average, with the platinum-coated region oriented opposite to the direction of motion. Velocity autocorrelation and motion direction analyses show that the direction of motion is highly correlated with the particle orientation. The effect of the observation time interval on the measured translational diffusion coefficient and the apparent particle motion is analyzed.
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Citations
Cited by
Metzler, R., Jeon, J.-H., Cherstvy, A. G., & Barkai, E. (2014) · Phys. Chem. Chem. Phys. · doi:10.1039/c4cp03465a · Cited by 1,765
Emergent behavior in active colloids
Zöttl, A., & Stark, H. (2016) · Journal of Physics: Condensed Matter · doi:10.1088/0953-8984/28/25/253001 · Cited by 426
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Popov, K., Komianos, J., & Papoian, G. A. (2016) · PLOS Computational Biology · doi:10.1371/journal.pcbi.1004877 · Cited by 104
Metadata
- Authors
- Ke, H., Ye, S., Carroll, R. L., & Showalter, K.
- Venue
- The Journal of Physical Chemistry A
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-04-13
- Volume
- 114
- Issue
- 17
- Pages
- 5462-5467
- ISSN
- 1089-5639 (ISSN-L)
- 1520-5215
- OpenAlex
- W2074223329
- Cited by
- 180
- References
- 0
- FWCI
- 9.53
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Motion Analysis of Self-Propelled Pt−Silica Particles in Hydrogen Peroxide Solutions. https://app.cochat.ai/papers/10.1021/jp101193u
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- Ke, H., Ye, S., Carroll, R. L., & Showalter, K. (2010). Motion Analysis of Self-Propelled Pt−Silica Particles in Hydrogen Peroxide Solutions. The Journal of Physical Chemistry A. https://doi.org/10.1021/jp101193u
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