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Bioresorbable pressure sensors protected with thermally grown silicon dioxide for the monitoring of chronic diseases and healing processes

Nature Biomedical Engineering volume 3, pages 37–46 (2019)Cite this article

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Abstract

Pressures in the intracranial, intraocular and intravascular spaces are clinically useful for the diagnosis and management of traumatic brain injury, glaucoma and hypertension, respectively. Conventional devices for measuring these pressures require surgical extraction after a relevant operational time frame. Bioresorbable sensors, by contrast, eliminate this requirement, thereby minimizing the risk of infection, decreasing the costs of care and reducing distress and pain for the patient. However, the operational lifetimes of bioresorbable pressure sensors available at present fall short of many clinical needs. Here, we present materials, device structures and fabrication procedures for bioresorbable pressure sensors with lifetimes exceeding those of previous reports by at least tenfold. We demonstrate measurement accuracies that compare favourably to those of the most sophisticated clinical standards for non-resorbable devices by monitoring intracranial pressures in rats for 25 days. Assessments of the biodistribution of the constituent materials, complete blood counts, blood chemistry and magnetic resonance imaging compatibility confirm the biodegradability and clinical utility of the device. Our findings establish routes for the design and fabrication of bioresorbable pressure monitors that meet requirements for clinical use.

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Fig. 1: Materials and designs for long-lived, inorganic bioresorbable pressure sensors.
Fig. 2: Kinetics of dissolution of a bioresorbable pressure sensor.
Fig. 3: In vivo measurements of the elemental biodistribution and biocompatibility of bioresorbable devices throughout their functional lifetimes and beyond.
Fig. 4: Acute and chronic monitoring of intracranial temperature and pressure in rats using bioresorbable sensors.
Fig. 5: MRI compatibility of bioresorbable sensors.

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The authors declare that all data supporting the findings of this study are available in the paper and its Supplementary Information.

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Acknowledgements

J.S. thanks G. Mensing and J. Maduzia at the Micro-Nano-Mechanical Systems Cleanroom (University of Illinois at Urbana–Champaign) for assistance with process development. J.S. acknowledges support from True Phantom Solutions Inc. with the preparation of brain phantoms for MRI compatibility tests. Y.X. acknowledges support from the Ryan Fellowship and the Northwestern University International Institute for Nanotechnology. L.T. acknowledges support from a Beckman Institute Postdoctoral Fellowship at UIUC. I.K. acknowledges support from Cancer Center Support grant no. P30 CA060553 (National Cancer Institute) awarded to the Robert H. Lurie Comprehensive Cancer Center. K.J.Y. acknowledges support from the National Research Foundation of Korea (grant nos. NRF-2017M1A2A2048880 and NRF-2018M3A7B4071109) and Yonsei University Future-leading Research Initiative of 2017 (grant no. RMS2 2018-22-0028). Y.H. acknowledges support from the NSF (grant nos. 1400169, 1534120 and 1635443).

Author information

Author notes

  1. These authors contributed equally: Jiho Shin, Ying Yan, Wubin Bai.

Authors and Affiliations

  1. Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana–Champaign, Urbana, IL, USA

    Jiho Shin, Yechan Lee, Minseok Choi, Jonathan Ko & Hangyu Ryu

  2. Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana–Champaign, Urbana, IL, USA

    Jiho Shin, Yechan Lee, Minseok Choi, Jonathan Ko, Hangyu Ryu, Jan-Kai Chang, Sang Min Won & Jianing Zhao

  3. Department of Neurological Surgery, Washington University School of Medicine, St Louis, MO, USA

    Ying Yan, Paul Gamble, Matthew R. MacEwan & Wilson Z. Ray

  4. Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA

    Wubin Bai, Yeguang Xue, Yonggang Huang & John A. Rogers

  5. Center for Bio-Integrated Electronics, Northwestern University, Evanston, IL, USA

    Wubin Bai & John A. Rogers

  6. Departments of Mechanical Engineering and Civil and Environmental Engineering, Northwestern University, Evanston, IL, USA

    Yeguang Xue & Yonggang Huang

  7. Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana–Champaign, Urbana, IL, USA

    Limei Tian

  8. Developmental Therapeutics Core, Northwestern University, Evanston, IL, USA

    Irawati Kandela

  9. Center for Advanced Molecular Imaging, Northwestern University, Evanston, IL, USA

    Chad R. Haney

  10. Biomedical Magnetic Resonance Laboratory, Mallinckrodt Institute of Radiology and Hope Center for Neurological Disorders, Washington University School of Medicine, St. Louis, MO, USA

    William Spees & Sheng-Kwei Song

  11. Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL, USA

    Jan-Kai Chang

  12. Northwestern Medicine, Feinberg School of Medicine, Northwestern University, Evanston, IL, USA

    Maryam Pezhouh

  13. Department of Bio and Brain Engineering, Korea Advanced Institute of Science Technology, Daejeon, Republic of Korea

    Seung-Kyun Kang

  14. Department of Electrical and Computer Engineering, University of Illinois at Urbana–Champaign, Urbana, IL, USA

    Sang Min Won

  15. School of Electrical and Electronic Engineering, Yonsei University, Seoul, Republic of Korea

    Ki Jun Yu

  16. Department of Mechanical Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, IL, USA

    Jianing Zhao

  17. Department of Materials Science and Engineering, Seoul National University, Seoul, Republic of Korea

    Yoon Kyeung Lee

  18. Departments of Biomedical Engineering, Chemistry, Mechanical Engineering, Electrical Engineering and Computer Science, and Neurological Surgery, Simpson Querrey Institute for Nano/biotechnology, McCormick School of Engineering and Feinberg School of Medicine, Northwestern University, Evanston, IL, USA

    John A. Rogers

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Contributions

J.S., W.B., Y.L., M.C., J.K., H.R., J.-K.C., S.-K.K., S.M.W., K.J.Y. and J.A.R. designed and fabricated the sensors. J.S., Y.L., M.C., H.R., J.Z. and Y.K.L. conceived and performed the dissolution studies. J.S., W.B., I.K. and M.P. performed the biodistribution, toxicity and histology studies. Y.Y., P.G., M.R.M. and W.Z.R. performed the in vivo ICP measurements and analysed data. Y.X. and Y.H. performed mechanical simulations. J.S., Y.Y., L.T., C.R.H., W.S. and S.-K.S. performed the CT and MRI studies. J.S., Y.Y., W.B., Y.X., W.Z.R. and J.A.R. wrote the manuscript.

Corresponding authors

Correspondence to Wilson Z. Ray or John A. Rogers.

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Shin, J., Yan, Y., Bai, W. et al. Bioresorbable pressure sensors protected with thermally grown silicon dioxide for the monitoring of chronic diseases and healing processes. Nat Biomed Eng 3, 37–46 (2019). https://doi.org/10.1038/s41551-018-0300-4

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