Search Results - "Algarin, Jose M."

Zero-echo-time sequences in highly inhomogeneous fields by Borreguero, Jose, Galve, Fernando, Algarín, José M, Alonso, Joseba

“…Zero-echo-time (ZTE) sequences have proven a powerful tool for MRI of ultrashort tissues, but they fail to produce useful images in the presence of strong…”
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MaRGE: A graphical environment for MaRCoS by Algarín, José M., Guallart-Naval, Teresa, Borreguero, José, Galve, Fernando, Alonso, Joseba

“…The open-source console MaRCoS, which stands for “Magnetic Resonance Control System”, combines hardware, firmware and software elements for integral control of…”
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Low field slice-selective ZTE imaging of ultra-short T2 tissues based on spin-locking by Borreguero, Jose, Galve, Fernando, Algarín, José M., Benlloch, José M., Alonso, Joseba

“…Magnetic Resonance Imaging of hard biological tissues is very challenging due to small proton abundance and ultra-short T 2 decay times, especially at low…”
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Metamaterial magnetoinductive lens performance as a function of field strength by Algarín, José M., Freire, Manuel J., Breuer, Felix, Behr, Volker C.

“…[Display omitted] •The magnetoinductive lens increases the SNR for short distances at any field strength.•For long distances, the magnetoinductive lens degrade…”
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A Fast 0.5 T Prepolarizer Module for Preclinical Magnetic Resonance Imaging by Rigla, Juan P., Borreguero, Jose, Gramage, Carlos, Pallas, Eduardo, Gonzalez, Jose M., Bosch, Ruben, Algarin, Jose M., Sanchez-Andres, Juan V., Galve, Fernando, Grau-Ruiz, Daniel, Pellicer, Ruben, Rios, Alfonso, Benlloch, Jose M., Alonso, Joseba

“…We present a magnet and high-power electronics for prepolarized magnetic resonance imaging (PMRI) in a homemade, special-purpose preclinical system designed…”
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Analysis of the Noise Correlation in MRI Coil Arrays Loaded With Metamaterial Magnetoinductive Lenses by Algarin, Jose M., Breuer, Felix, Behr, Volker C., Freire, Manuel J.

“…A numerical method is shown for calculating the noise correlation coefficient in arrays of magnetic resonance imaging (MRI) coils loaded with…”
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Low-Field Rampable Magnet for a High-Resolution MRI System by Rigla, Juan P., Algarin, Jose M., Rios, Alfonso, Benlloch, Jose M., Alonso, Joseba, Bodker, Franz, Anari, Amir, Pallas, Eduardo, Grau, Daniel, Puchalt, Guillermo, Gonzalez, Jose M., Corberan, Miguel, Diaz, Elena

“…This article presents the design and experimental characterization of an electromagnet rampable up to 1 T and tailored to meet the demands of a magnetic…”
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A Broadside-Split-Ring Resonator-Based Coil for MRI at 7 T by Freire, M. J., Lopez, M. A., Meise, F., Algarin, J. M., Jakob, P. M., Bock, M., Marques, R.

“…A coil design termed as broadside-coupled loop (BCL) coil and based on the broadside-coupled split ring resonator (BC-SRR) is proposed as an alternative to a…”
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Portable magnetic resonance imaging of patients indoors, outdoors and at home by Guallart-Naval, Teresa, Algarín, José M., Pellicer-Guridi, Rubén, Galve, Fernando, Vives-Gilabert, Yolanda, Bosch, Rubén, Pallás, Eduardo, González, José M., Rigla, Juan P., Martínez, Pablo, Lloris, Francisco J., Borreguero, Jose, Marcos-Perucho, Álvaro, Negnevitsky, Vlad, Martí-Bonmatí, Luis, Ríos, Alfonso, Benlloch, José M., Alonso, Joseba

“…Mobile medical imaging devices are invaluable for clinical diagnostic purposes both in and outside healthcare institutions. Among the various imaging…”
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Demonstration of negative refraction of microwaves by Velazquez-Ahumada, Maria C., Freire, Manuel J., Algarin, Jose M., Marques, Ricardo

“…An experimental setup to demonstrate negative refraction is described. A simple method for designing and fabricating a metamaterial with negative refractive…”
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Image acceleration in parallel magnetic resonance imaging by means of metamaterial magnetoinductive lenses by Freire, Manuel J., Lopez, Marcos A., Algarin, Jose M., Breuer, Felix, Marqués, Ricardo

“…Parallel Magnetic Resonance imaging (pMRI) is an image acceleration technique which takes advantage of localized sensitivities of multiple receivers. In this…”
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MaRCoS, an open-source electronic control system for low-field MRI by Negnevitsky, Vlad, Vives-Gilabert, Yolanda, Algarín, José M., Craven-Brightman, Lincoln, Pellicer-Guridi, Rubén, O’Reilly, Thomas, Stockmann, Jason P., Webb, Andrew, Alonso, Joseba, Menküc, Benjamin

“…[Display omitted] •This work demonstrates a novel spectrometer that can be used for advanced MRI acquisitions.•Demonstrated to work in clinical settings at…”
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Simultaneous imaging of hard and soft biological tissues in a low-field dental MRI scanner by Algarín, José M., Díaz-Caballero, Elena, Borreguero, José, Galve, Fernando, Grau-Ruiz, Daniel, Rigla, Juan P., Bosch, Rubén, González, José M., Pallás, Eduardo, Corberán, Miguel, Gramage, Carlos, Aja-Fernández, Santiago, Ríos, Alfonso, Benlloch, José M., Alonso, Joseba

“…Magnetic Resonance Imaging (MRI) of hard biological tissues is challenging due to the fleeting lifetime and low strength of their response to resonant stimuli,…”
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Elliptical Halbach magnet and gradient modules for low‐field portable magnetic resonance imaging by Galve, Fernando, Pallás, Eduardo, Guallart‐Naval, Teresa, García‐Cristóbal, Pablo, Martínez, Pablo, Algarín, José M., Borreguero, Jose, Bosch, Rubén, Juan‐Lloris, Francisco, Benlloch, José M., Alonso, Joseba

“…This study aims to develop methods to design the complete magnetic system for a truly portable MRI scanner for neurological and musculoskeletal (MSK)…”
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Benchmarking the performance of a low‐cost magnetic resonance control system at multiple sites in the open MaRCoS community by Guallart‐Naval, Teresa, O'Reilly, Thomas, Algarín, José M., Pellicer‐Guridi, Ruben, Vives‐Gilabert, Yolanda, Craven‐Brightman, Lincoln, Negnevitsky, Vlad, Menküc, Benjamin, Galve, Fernando, Stockmann, Jason P., Webb, Andrew, Alonso, Joseba

“…Purpose: To describe the current properties and capabilities of an open‐source hardware and software package that is being developed by many sites…”
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Magneto-stimulation limits in medical imaging applications with rapid field dynamics by Grau-Ruiz, Daniel, Rigla, Juan P, Pallás, Eduardo, Algarín, José M, Borreguero, José, Bosch, Rubén, López-Comazzi, Guillermo, Galve, Fernando, Díaz-Caballero, Elena, Gramage, Carlos, González, José M, Pellicer, Rubén, Ríos, Alfonso, Benlloch, José M, Alonso, Joseba

“…The goal of this work is to extend previous peripheral nerve stimulation (PNS) studies to scenarios relevant to magnetic particle imaging (MPI) and low-field…”
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Prepolarized MRI of hard tissues and solid‐state matter by Borreguero Morata, Jose, González, José M., Pallás, Eduardo, Rigla, Juan P., Algarín, José M., Bosch, Rubén, Galve, Fernando, Grau‐Ruiz, Daniel, Pellicer, Rubén, Ríos, Alfonso, Benlloch, José M., Alonso, Joseba

“…Prepolarized MRI (PMRI) is a long‐established technique conceived to counteract the loss in signal‐to‐noise ratio (SNR) inherent to low‐field MRI systems. When…”
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Nonlinear split-ring metamaterial slabs for magnetic resonance imaging by Lopez, Marcos A., Freire, Manuel J., Algarin, Jose M., Behr, Volker C., Jakob, Peter M., Marqués, Ricardo

“…This work analyzes the ability of split-ring metamaterial slabs with zero/high permeability to reject/confine the radiofrequency magnetic field in magnetic…”
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Author Correction: Low field slice-selective ZTE imaging of ultra-short T2 tissues based on spin-locking by Borreguero, Jose, Galve, Fernando, Algarín, José M., Benlloch, José M., Alonso, Joseba

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Analysis of the resolution of split-ring metamaterial lenses with application in parallel magnetic resonance imaging by Algarin, Jose M., Freire, Manuel J., Lopez, Marcos A., Lapine, Mikhail, Jakob, Peter M., Behr, Volker C., Marqués, Ricardo

“…In this work, we experimentally determine the resolution of split-ring metamaterials lenses with emphasis in magnetic resonance imaging applications. Two small…”
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