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Micromotors Powered by Enzyme Catalysis
Abstract
Active biocompatible systems are of great current interest for their possible applications in drug or antidote delivery at specific locations. Herein, we report the synthesis and study of self-propelled microparticles powered by enzymatic reactions and their directed movement in substrate concentration gradient. Polystyrene microparticles were functionalized with the enzymes urease and catalase using a biotin-streptavidin linkage procedure. The motion of the enzyme-coated particles was studied in the presence of the respective substrates, using optical microscopy and dynamic light scattering analysis. The diffusion of the particles was found to increase in a substrate concentration dependent manner. The directed chemotactic movement of these enzyme-powered motors up the substrate gradient was studied using three-inlet microfluidic channel architecture.
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Cites
Making Sense of Brownian Motion: Colloid Characterization by Dynamic Light Scattering
Hassan, P. A., Rana, S., & Verma, G. (2015) · Langmuir · doi:10.1021/la501789z · Cited by 615
Cited by
Materials learning from life: concepts for active, adaptive and autonomous molecular systems
Merindol, R., & Walther, A. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00738d · Cited by 533
Engineering microrobots for targeted cancer therapies from a medical perspective
Schmidt, C. K., Medina-Sánchez, M., Edmondson, R. J., & Schmidt, O. G. (2020) · Nature Communications · doi:10.1038/s41467-020-19322-7 · Cited by 441
Targeting 3D Bladder Cancer Spheroids with Urease-Powered Nanomotors
Hortelão, A. C., Carrascosa, R., Murillo-Cremaes, N., Patiño, T., & Sánchez, S. (2019) · ACS Nano · doi:10.1021/acsnano.8b06610 · Cited by 287
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
- Dey, K. K., Zhao, X., Tansi, B. M., Méndez-Ortiz, W. J., Córdova-Figueroa, U. M., Golestanian, R., & Sen, A.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-11-30
- Volume
- 15
- Issue
- 12
- Pages
- 8311-8315
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2273460296
- Cited by
- 288
- References
- 1
- FWCI
- 14.10
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dey, K. K., Zhao, X., Tansi, B. M., Méndez-Ortiz, W. J., Córdova-Figueroa, U. M., Golestanian, R., & Sen, A. (2015). Micromotors Powered by Enzyme Catalysis. Nano Letters. https://doi.org/10.1021/acs.nanolett.5b03935
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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.
