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Related Experiment Video

Updated: Mar 31, 2026

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3D Plastronics Culture Chambers and Benchtop MRI Setup Toward Tissue Engineering Applications.

Valernst Martial Gilmus1, Yilbert Gimenez1,2, Tony Gerges1

  • 1Univ Lyon, Université Claude Bernard Lyon 1, INSA Lyon, Ecole Centrale de Lyon, CNRS, Ampère, UMR5005, Villeurbanne, France.

NMR in Biomedicine
|March 30, 2026
PubMed
Summary
This summary is machine-generated.

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Scientific reports·2026

A new 3D Plastronics method integrates radiofrequency coils with culture chambers for low-field Magnetic Resonance Imaging (MRI). This approach significantly boosts signal-to-noise ratio for non-invasive imaging of biofabricated tissues in tissue engineering.

Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Materials Science

Background:

  • Low-field benchtop MRI offers accessible, non-invasive imaging for biofabricated tissues.
  • Existing systems face limitations due to low signal-to-noise ratio (SNR) and non-optimized hardware.
  • In situ imaging of 3D bioprinted constructs requires advanced solutions for detailed structural analysis.

Purpose of the Study:

  • To develop and evaluate a novel, integrated benchtop MRI setup for enhanced in situ imaging of 3D bioprinted constructs.
  • To compare the performance of a custom-integrated radiofrequency (RF) coil system with a commercial setup.
  • To demonstrate the capability for high-resolution, long-term monitoring of engineered tissues.

Main Methods:

  • Fabrication of a custom perfusion culture chamber using 3D Plastronics, integrating a bridged loop-gap resonator (BLGR).
Keywords:
3D plastronicsbenchtop MRIlow‐fieldtissue engineering

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  • Quantitative performance comparison using quality factor (Q), noise factor (F), SNR, and B1+ field mapping.
  • High-resolution imaging of a 3D bioprinted hydrogel scaffold under perfusion.

    • Main Results:

    • The 3D Plastronics integrated setup achieved a 60% increase in SNR compared to a commercial coil.
    • Optimized coil design resulted in higher mean B1+ field strength and improved homogeneity.
    • High-resolution (234 μm³) images clearly visualized the internal macroporous structure of the bioprinted scaffold within 20 minutes.

    Conclusions:

    • Integrating RF coils directly onto culture chambers via 3D Plastronics significantly enhances low-field MRI performance for tissue engineering.
    • This scalable and customizable platform enables non-destructive, long-term monitoring of 3D tissue constructs.
    • The developed method opens new avenues for in situ studies of tissue development and biofabrication processes.