Synthesized tissue‐equivalent dielectric phantoms using salt and polyvinylpyrrolidone solutions

Purpose To explore the use of polyvinylpyrrolidone (PVP) for simulated materials with tissue‐equivalent dielectric properties. Methods PVP and salt were used to control, respectively, relative permittivity and electrical conductivity in a collection of 63 samples with a range of solute concentration...

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Veröffentlicht in:	Magnetic resonance in medicine 2018-07, Vol.80 (1), p.413-419
Hauptverfasser:	Ianniello, Carlotta, de Zwart, Jacco A., Duan, Qi, Deniz, Cem M., Alon, Leeor, Lee, Jae‐Seung, Lattanzi, Riccardo, Brown, Ryan
Format:	Artikel
Sprache:	eng
Schlagworte:	Air bubbles Algorithms Computer Simulation Dielectric properties Dielectric relaxation Electric Conductivity Electrical conductivity Electrical properties Electrical resistivity Equivalence Error analysis Heart - diagnostic imaging High‐field MRI Hot Temperature Humans Magnetic resonance Magnetic Resonance Spectroscopy - methods Materials Testing MR phantoms Muscles - diagnostic imaging Permittivity Phantoms, Imaging Plasma Substitutes - chemistry Polynomials Polyvinylpyrrolidone Povidone - chemistry Recipes relative permittivity Relaxation time Reproducibility of Results Salts Solutions Spectra Temperature Thermal properties Thermodynamic properties tissue equivalent materials Water White Matter - diagnostic imaging
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