Control of particle trapping in solid-state nanopores with magnetic functionalities : an overview

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2022
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Koya, Alemayehu Nana
Tapani, Tilaike
Viejo Rodríguez, Alba
Sarkar, Sreyash
Vaccarelli, Ornella
Maccaferri, Nicolò
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ANDREWS, David L., ed., Angus J. BAIN, ed., Jean-Michel NUNZI, ed.. Nanophotonics IX. Bellingham: SPIE, 2022, 1213111. ISSN 0277-786X. ISBN 978-1-5106-5138-8. Available under: doi: 10.1117/12.2622218
Zusammenfassung

In the last decade, solid-state nanopores have been intensively investigated as label-free detectors of for single biological entities, such as protein chains or DNA molecules. With this approach, single entities are typically driven through a nanopore by applying an external electrical potential. However, this method cannot enable control over the speed of translocation, thus limiting the signal integration time. The most explored approach to introduce control of the translocation speed is based on trapping. In particular, a long acquisition time can be obtained by trapping a nanoparticle tagged with molecules close to a nanopore. The trapping phenomena can be generated by means of external stimuli such as light excitation and magnetic field application, obtaining respectively the so-called optical and magnetic trapping. Magnetic trapping, in particular, has been less explored but can be a useful approach to obtain very large trapping forces without interfering with other optical exitations that can be used for spectroscopic purposes. Here, we will briefly summarize the major examples of magnetic trapping approaches reported so far in solid-state nanopore technology.

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530 Physik
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SPIE Photonics Europe, 3. Apr. 2022 - 7. Apr. 2022, Strasbourg
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ISO 690KOYA, Alemayehu Nana, Joel KUTTRUFF, Tilaike TAPANI, Alba VIEJO RODRÍGUEZ, Sreyash SARKAR, Ornella VACCARELLI, Nicolò MACCAFERRI, 2022. Control of particle trapping in solid-state nanopores with magnetic functionalities : an overview. SPIE Photonics Europe. Strasbourg, 3. Apr. 2022 - 7. Apr. 2022. In: ANDREWS, David L., ed., Angus J. BAIN, ed., Jean-Michel NUNZI, ed.. Nanophotonics IX. Bellingham: SPIE, 2022, 1213111. ISSN 0277-786X. ISBN 978-1-5106-5138-8. Available under: doi: 10.1117/12.2622218
BibTex
@inproceedings{Koya2022Contr-58505,
  year={2022},
  doi={10.1117/12.2622218},
  title={Control of particle trapping in solid-state nanopores with magnetic functionalities : an overview},
  number={12131},
  isbn={978-1-5106-5138-8},
  issn={0277-786X},
  publisher={SPIE},
  address={Bellingham},
  series={Proceedings of SPIE},
  booktitle={Nanophotonics IX},
  editor={Andrews, David L. and Bain, Angus J. and Nunzi, Jean-Michel},
  author={Koya, Alemayehu Nana and Kuttruff, Joel and Tapani, Tilaike and Viejo Rodríguez, Alba and Sarkar, Sreyash and Vaccarelli, Ornella and Maccaferri, Nicolò},
  note={Article Number: 1213111}
}
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