Magnetic Resonance
Magnetic Resonance
MR
Articles | Volume 6, issue 2
Articles | Volume 6, issue 2
https://doi.org/10.5194/mr-6-157-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-6-157-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 2
Research article
 | 
16 Jul 2025
Research article |  | 16 Jul 2025

3D-printed microcell for protein NMR at high ionic strengths and small sample volumes

Tayeb Kakeshpour, Martin D. Gelenter, Jinfa Ying, and Ad Bax

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Short summary
3D-printed sample cells inserted into standard 5 mm NMR (nuclear magnetic resonance) tubes are demonstrated to offer improved sensitivity for biomolecular NMR spectroscopy when the quantity of material is limiting. Using an ellipsoidal shape, magnetic field homogeneity inside the microcell to the first order is insensitive to differences in the magnetic susceptibility of the printer resin and solvent. The sample cells are particularly useful at high ionic strength and at ultrahigh magnetic fields.
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