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Nano-biosupercapacitors enable autarkic sensor operation in blood

Author

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  • Yeji Lee

    (Chemnitz University of Technology
    Chemnitz University of Technology
    Institute for Integrative Nanosciences, Leibniz IFW Dresden)

  • Vineeth Kumar Bandari

    (Chemnitz University of Technology
    Chemnitz University of Technology
    Institute for Integrative Nanosciences, Leibniz IFW Dresden)

  • Zhe Li

    (Chemnitz University of Technology
    Chemnitz University of Technology
    Institute for Integrative Nanosciences, Leibniz IFW Dresden)

  • Mariana Medina-Sánchez

    (Institute for Integrative Nanosciences, Leibniz IFW Dresden)

  • Manfred F. Maitz

    (Leibniz-Institut für Polymerforschung Dresden e.V.)

  • Daniil Karnaushenko

    (Institute for Integrative Nanosciences, Leibniz IFW Dresden)

  • Mikhail V. Tsurkan

    (Leibniz-Institut für Polymerforschung Dresden e.V.)

  • Dmitriy D. Karnaushenko

    (Institute for Integrative Nanosciences, Leibniz IFW Dresden)

  • Oliver G. Schmidt

    (Chemnitz University of Technology
    Chemnitz University of Technology
    Institute for Integrative Nanosciences, Leibniz IFW Dresden
    Nanophysics, Faculty of Physics, TU Dresden)

Abstract

Today’s smallest energy storage devices for in-vivo applications are larger than 3 mm3 and lack the ability to continuously drive the complex functions of smart dust electronic and microrobotic systems. Here, we create a tubular biosupercapacitor occupying a mere volume of 1/1000 mm3 (=1 nanoliter), yet delivering up to 1.6 V in blood. The tubular geometry of this nano-biosupercapacitor provides efficient self-protection against external forces from pulsating blood or muscle contraction. Redox enzymes and living cells, naturally present in blood boost the performance of the device by 40% and help to solve the self-discharging problem persistently encountered by miniaturized supercapacitors. At full capacity, the nano-biosupercapacitors drive a complex integrated sensor system to measure the pH-value in blood. This demonstration opens up opportunities for next generation intravascular implants and microrobotic systems operating in hard-to-reach small spaces deep inside the human body.

Suggested Citation

  • Yeji Lee & Vineeth Kumar Bandari & Zhe Li & Mariana Medina-Sánchez & Manfred F. Maitz & Daniil Karnaushenko & Mikhail V. Tsurkan & Dmitriy D. Karnaushenko & Oliver G. Schmidt, 2021. "Nano-biosupercapacitors enable autarkic sensor operation in blood," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24863-6
    DOI: 10.1038/s41467-021-24863-6
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    Cited by:

    1. Ghosh, Sourav & Yadav, Sarita & Devi, Ambika & Thomas, Tiju, 2022. "Techno-economic understanding of Indian energy-storage market: A perspective on green materials-based supercapacitor technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 161(C).
    2. R. Huber & F. Kern & D. D. Karnaushenko & E. Eisner & P. Lepucki & A. Thampi & A. Mirhajivarzaneh & C. Becker & T. Kang & S. Baunack & B. Büchner & D. Karnaushenko & O. G. Schmidt & A. Lubk, 2022. "Tailoring electron beams with high-frequency self-assembled magnetic charged particle micro optics," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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