activity
20222026
most citedBenchmarking the performance of a low-cost Magnetic Resonance Control System at multiple sites in the open MaRCoS community

16 citations · 47 across the 14 of their papers we have counts for

collaborators

14 papers

physics.med-ph2026

A wearable, stretchable radio-frequency coil for extremity imaging in low-field MRI systems

Jesús Conejero, Marina Fernández-García, José Borreguero +10

Purpose: To develop a wearable, stretchable radio-frequency (RF) coil that conforms to the extremities and improves the filling factor in low-field MRI. Methods: A stretchable sole…

physics.med-ph2026

Comment on electromagnetic noise cancellation in low-field MRI systems (arXiv:2509.05955v1, 2406.17804v3, 2210.06730v2, and related works)

Joseba Alonso, José M. Algarín, Teresa Guallart-Naval

In this Comment, we discuss recent approaches to electromagnetic interference (EMI) mitigation in low-field Magnetic Resonance Imaging (LF-MRI), as presented in arXiv preprints 250…

physics.med-ph2026

High-resolution ultra-low-field MRI with SNRAware denoising

Teresa Guallart-Naval, Hui Xue, José M. Algarín +8

Ultra-low-field (ULF, <0.1 T) magnetic resonance imaging (MRI) systems offer advantages in cost, portability, and accessibility, but their current utility is still limited by low s…

physics.comp-ph2026

A fully open-source framework for streaming and cloud-processing of low-field MRI data

T. Guallart-Naval, J. Stairs, J. M. Algarín +14

Purpose: To present a fully open-source framework for quasi-real-time streaming and cloud-based processing of low-field (LF) MRI data, addressing the growing computational demands…

physics.med-ph2025

In-vivo imaging with a low-cost MRI scanner and cloud data processing in low-resource settings

Teresa Guallart-Naval, Robert Asiimwe, Patricia Tusiime +16

Purpose: To demonstrate in-vivo imaging with a low-cost, low-field MRI scanner built and operated in Africa, and to show how systematic hardware and software improvements can mitig…

physics.med-ph2025

Qualitative and quantitative hard-tissue MRI with portable Halbach scanners

Jose Borreguero, Luiz G. C. Santos, Lorena Vega Cid +14

Purpose: To demonstrate the feasibility of performing in-vivo imaging and quantitative relaxation mapping of soft and hard tissues using a low-cost, portable MRI scanner, and to es…

physics.med-ph2025

Subject grounding to reduce electromagnetic interference for MRI scanners operating in unshielded environments

Beatrice Lena, Bart de Vos, Teresa Guallart-Naval +6

Purpose. Portable low-field (< 0.1 T) MRI is increasingly used for point-of-care imaging, but electromagnetic interference (EMI) presents a significant challenge, especially in uns…

physics.med-ph2025★ 3 cited

Electromagnetic Noise Characterization and Suppression in Low-Field MRI Systems

Teresa Guallart-Naval, José M. Algarín, Joseba Alonso

Purpose: Low-field MRI systems operate at single MHz-range frequencies, where signal losses are primarily dominated by thermal noise from the radio-frequency (RF) receive coils. Ac…

physics.med-ph2024★ 6 cited

ezyMRI: How to build an MRI machine from scratch -- Experience from a four-day hackathon

Shaoying Huang, José Miguel Algarín, Joseba Alonso +25

Nuclear magnetic resonance instruments are becoming available to the do-it-yourself community. The challenges encountered in the endeavor to build a magnetic resonance imaging inst…

physics.med-ph2024★ 8 cited

Elliptical Halbach magnet and gradient modules for low-field portable MRI

Fernando Galve, Eduardo Pallás, Teresa Guallart-Naval +8

Objective. To develop methods to design the complete magnetic system for a truly portable MRI scanner for neurological and musculoskeletal (MSK) applications, optimized for field h…

physics.med-ph2023★ 7 cited

MaRGA: a Graphical and Application Interface for MaRCoS

J. M. Algarín, T. Guallart-Naval, J. Borreguero +2

The open-source console MaRCoS, which stands for "Magnetic Resonance Control System", combines hardware, firmware and software elements for integral control of Magnetic Resonance I…

physics.med-ph2023★ 1 cited

Portable MRI for major sporting events -- a case study on the MotoGP World Championship

J. M. Algarín, T. Guallart-Naval, E. Gastaldi-Orquín +11

The goal of this work is to showcase the clinical value that portable MRI can provide in crowded events and major sports competitions. We temporarily installed a low-field and low-…

physics.med-ph2022★ 16 cited

Benchmarking the performance of a low-cost Magnetic Resonance Control System at multiple sites in the open MaRCoS community

T. Guallart-Naval, T. O'Reilly, J. M. Algarín +9

Purpose: To describe the current properties and capabilities of an open-source hardware and software package that is being developed by many sites internationally with the aim of p…

physics.med-ph2022★ 6 cited

Portable magnetic resonance imaging of patients indoors, outdoors and at home

T. Guallart-Naval, J. M. Algarín, R. Pellicer-Guridi +15

Mobile medical imaging devices are invaluable for clinical diagnostic purposes both in and outside healthcare institutions. Among the various imaging modalities, only a few are rea…