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   Articles with "shim" as a keyword



Minimal artifact actively shimmed metallic needles in MRI.

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recommendations! Published in 2021 at "Magnetic resonance in medicine"

DOI: 10.1002/mrm.28977

Abstract: PURPOSE Signal voids caused by metallic needles pose visualization and monitoring challenges in many MRI applications. In this work, we explore a solution to this problem in the form of an active shim insert that… read more here.

Keywords: active shimming; metallic needles; minimal artifact; shim insert ... See more keywords

Improving fat saturation robustness in outer extremity MRI with a local shim coil insert

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recommendations! Published in 2025 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.30474

Abstract: High‐quality fat suppression is essential for various MRI applications. In musculoskeletal imaging, poor fat suppression caused by severe B0 inhomogeneity can obscure important lesions, potentially leading to inaccurate diagnoses. This problem is particularly exacerbated in… read more here.

Keywords: shim; insert; improving fat; fat saturation ... See more keywords
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Adjustable passive shims for dipole NMR magnets.

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recommendations! Published in 2018 at "Journal of magnetic resonance"

DOI: 10.1016/j.jmr.2018.09.008

Abstract: Two new methods are presented for shimming dipole magnets intended for NMR. Both methods allow for very fine scale adjustment of the passive shim strength, in one case while the shim remains in the magnet.… read more here.

Keywords: nmr magnets; dipole nmr; adjustable passive; shim ... See more keywords

Shim-on-Chip Design for Microfluidic NMR Detectors

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recommendations! Published in 2018 at "Analytical Chemistry"

DOI: 10.1021/acs.analchem.8b02284

Abstract: In this contribution we present a novel system for shimming capillary samples such as used in microfluidic NMR probe heads. Due to the small sample size, shimming microliter samples using regular shim coils is complicated.… read more here.

Keywords: microfluidic nmr; system; shim chip; shim ... See more keywords

Numerical investigation of a mono-tube damper with a shim stack

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recommendations! Published in 2017 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"

DOI: 10.1177/0954406215622496

Abstract: The objective of this paper is to investigate the operation of a mono-tube damper through the application of Computational Fluid Dynamics analysis to the piston and flows through a series of flexible shims which cover… read more here.

Keywords: mono tube; shim deflection; shim; tube damper ... See more keywords