Cited by 66DNA and Biological ComputingNanopore and Nanochannel Transport StudiesAdvanced biosensing and bioanalysis techniques

Image Encoding Using Multi‐Level DNA Barcodes with Nanopore Readout

Open access
Zhu, Jinbo, Ermann, Niklas, Chen, Kaikai, Keyser, Ulrich F.·2021·Small

Abstract

Deoxyribonucleic acid (DNA) nanostructure‐based data encoding is an emerging information storage mode, offering rewritable, editable, and secure data storage. Herein, a DNA nanostructure‐based storage method established on a solid‐state nanopore sensing platform to save and encrypt a 2D grayscale image is proposed. DNA multi‐way junctions of different sizes are attached to a double strand of DNA carriers, resulting in distinct levels of current blockades when passing through a glass nanopore with diameters around 14 nm. The resulting quaternary encoding doubles the capacity relative to a classical binary system. Through toehold‐mediated strand displacement reactions, the DNA nanostructures can be precisely added to and removed from the DNA carrier. By encoding the image into 16 DNA carriers using the quaternary barcodes and reading them in one simultaneous measurement, the image is successfully saved, encrypted, and recovered. Avoiding any proteins or enzymatic reactions, the authors thus realize a pure DNA storage system on a nanopore platform with increased capacity and programmability.

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Registry

Crossref · 10.1002/smll.202100711

Cites

27 of 27 references verified0 citation errors · 0 not checkable

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Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • In nanopore reads of labeled DNA, each label is read in [10-1; 101] ms.

    “Conversely, in regards to nanopore reads of labeled DNA, each label is read in [10–1; 101] ms.”
  • Solid-state nanopores combined with DNA nanotechnology have been used to save and encrypt a grayscale image.

    “Solid-state nanopores combined with DNA nanotechnology have since been used to save and encrypt a grayscale image.102”
  • Multilevel storage architectures have been achieved using different DNA junction sizes to create a quaternary encoding system.

    “Multilevel storage architectures have been achieved using different DNA junction sizes to create a quaternary encoding system (Figure 10B).102”

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Authors
Zhu, J., Ermann, N., Chen, K., & Keyser, U. F.
Affiliations
University of Cambridge (GB)
Corresponding author
Keyser, Ulrich F.
Venue
Small
Publisher
Wiley
Published
2021-06-16
Volume
17
Issue
28
Pages
e2100711-e2100711
ISSN
  • 1613-6810 (ISSN-L)
  • 1613-6829
OpenAlex
W3171981140
Cited by
66
References
29
Citations by year
2026: 9 · 2025: 19 · 2024: 8 · 2023: 16 · 2022: 12 · 2021: 2
FWCI
2.98
Type
journal article
Language
en
Open access
Locations
  • Small (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Apollo (University of Cambridge) (submittedVersion, cc-by)
  • Apollo
  • Apollo (cc-by)
Funders
European Research Council (647144)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Biological Computing
  • Physical Sciences › Engineering › Biomedical Engineering › Nanopore and Nanochannel Transport Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
Keywords
DNA data storage, DNA nanostructures, nanopore sensing, image compression, toehold-mediated strand displacement, DNA-based encryption, glass nanopores, DNA carriers
MeSH terms
DNA, Glass, Nanopores, DNA Barcoding, Taxonomic

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