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Precise electrokinetic position and three-dimensional orientation control of a nanowire bioprobe in solution

MPG-Autoren
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Kwon,  Hyunah       
Max Planck Institute for Medical Research, Max Planck Society;

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Fischer,  Peer       
Max Planck Institute for Medical Research, Max Planck Society;

Externe Ressourcen

https://www.nature.com/articles/s41565-023-01439-7
(beliebiger Volltext)

https://www.nature.com/articles/s41565-023-01439-7.pdf
(beliebiger Volltext)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM1_ESM.pdf
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM2_ESM.mp4
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM3_ESM.mp4
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM4_ESM.mp4
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM5_ESM.mp4
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM6_ESM.mp4
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM7_ESM.mp4
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM8_ESM.mp4
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM9_ESM.mp4
(Ergänzendes Material)

https://static-content.springer.com/esm/art%3A10.1038%2Fs41565-023-01439-7/MediaObjects/41565_2023_1439_MOESM10_ESM.mp4
(Ergänzendes Material)

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Zitation

Li, H., Teal, D., Liang, Z., Kwon, H., Huo, D., Jin, A., et al. (2023). Precise electrokinetic position and three-dimensional orientation control of a nanowire bioprobe in solution. Nature Nanotechnology, 18(10), 1213-1221. doi:10.1038/s41565-023-01439-7.


Zitierlink: https://hdl.handle.net/21.11116/0000-000D-AB09-9
Zusammenfassung
Owing to Brownian-motion effects, the precise manipulation of individual micro- and nanoparticles in solution is challenging. Therefore, scanning-probe-based techniques, such as atomic force microscopy, attach particles to cantilevers to enable their use as nanoprobes. Here we demonstrate a versatile electrokinetic trap that simultaneously controls the two-dimensional position with a precision of 20 nm and 0.5° in the three-dimensional orientation of an untethered nanowire, as small as 300 nm in length, under an optical microscope. The method permits the active transport of nanowires with a speed-dependent accuracy reaching 90 nm at 2.7 μm s–1. It also allows for their synchronous three-dimensional alignment and rotation during translocation along complex trajectories. We use the electrokinetic trap to accurately move a nanoprobe and stably position it on the surface of a single bacterial cell for sensing secreted metabolites for extended periods. The precision-controlled manipulation underpins developing nanorobotic tools for assembly, micromanipulation and biological measurements with subcellular resolution.