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Radio Frequency MRI coils

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Adrian Truszkiewicz A., David Aebisher D., Zuzanna Bober Z., Łukasz Ożóg Ł., Dorota Bartusik-Aebisher D.
European Journal of Clinical and Experimental Medicine
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2020
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issue 1
24-27
EN
Introduction. Magnetic Resonance Imaging (MRI) coils technology is a powerful improvement for clinical diagnostics. This includes opportunities for mathematical and physical research into coil design. Aim. Here we present the method applied to MRI coil array designs. Material and methods. Analysis of literature and self-research. Results. The coils that emit the radiofrequency pulses are designed similarly. As much as possible, they deliver the same strength of radiofrequency to all voxels within their imaging volume. Surface coils on the other hand are usually not embedded in cylindrical surfaces relatively close to the surface of the body. Conclusion. The presented here results relates to the art of magnetic resonance imaging (MRI) and RF coils design. It finds particular application of RF coils in conjunction with bore type MRI scanners.
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The usefulness of relaxation time using MRI measurements

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Zuzanna Bober Z., David Aebisher D., Adrian Truszkiewicz A., Łukasz Ożóg Ł., Dorota Bartusik-Aebisher D.
European Journal of Clinical and Experimental Medicine
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2018
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issue 3
224-227
EN
Introduction. Magnetic Resonance Imaging methods are now frequently used for the analysis of the diseased tissue. These methods are based on the fact that the spin-lattice, T1 , and the spin-spin, T2 , relaxation times are different in diseased tissue as compared to that of normal tissue. Aim. Here we present measurements of spin-lattice relaxation time T1 on a Magnetic Resonance Imaging scaner with field strength 1.5 Tesla. Material and methods. Measurements of T1 relaxation time and analysis of literature. Results. We provide procedure for measurements of T1 relaxation time with field strength 1.5 Tesla and present a discussion of current applications.
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