{"id":9025,"date":"2025-12-08T12:35:35","date_gmt":"2025-12-08T12:35:35","guid":{"rendered":"https:\/\/www-f5.ijs.si\/?p=9025"},"modified":"2025-12-08T12:35:36","modified_gmt":"2025-12-08T12:35:36","slug":"magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling","status":"publish","type":"post","link":"https:\/\/www-f5.ijs.si\/en\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\/2025","title":{"rendered":"Magnetic resonance imaging using a straight wire magnetic field for spatial signal encoding : imaging verification with 2D experiments and 3D modeling"},"content":{"rendered":"\n<p class=\" eplus-wrapper\">Spatial encoding in MRI is usually performed using gradient coils that produce a linearly increasing magnetic field <em>B<sub>z<\/sub><\/em> in a desired spatial direction such that its gradient is constant. However, it has been shown that spatial encoding in MRI can also be performed with coils that produce nonlinear magnetic fields. In this study, the performance of different types of nonlinear encoding coils, which have a simple design based on the use of a straight wire segment as a building block and a source of a highly nonlinear magnetic field, was experimentally tested in 2D and by simulation in 3D on coils with a nonsymmetric and a symmetric arrangement of these wire segments.\u00a0\u00a0All images were reconstructed using our new reconstruction method, in which the signals spatially encoded by nonlinear coils are first transformed from the time- to the frequency-domain, yielding a distorted image (spectrum), which is then geometrically and intensity corrected. The results of the study may help advance the design of \u201cgradient\u201d coils towards freer geometries, higher magnetic field gradients or lower inductance and thus faster imaging.<\/p>\n\n\n\n<p class=\" eplus-wrapper\">TU\u0160AR, Kaja, SER\u0160A, Igor. Magnetic resonance imaging using a straight wire magnetic field for spatial signal encoding : imaging verification with 2D experiments and 3D modeling. Journal of magnetic resonance. Dec. 2025, vol. 381, str. 1-16, ilustr. ISSN 1096-0856. <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1090780725001624\">https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1090780725001624<\/a>, DOI: 10.1016\/j.jmr.2025.107990. [COBISS.SI-ID 256516099]<\/p>\n\n\n\n<p class=\" eplus-wrapper\"><\/p>\n\n\n\n<p class=\" eplus-wrapper\"><\/p>\n\n\n\n<p class=\" eplus-wrapper\"><\/p>\n\n\n\n<p class=\" eplus-wrapper\"><a href=\"https:\/\/doi.org\/10.1103\/PhysRevLett.134.046702 \"> <\/a><\/p>\n\n\n\n<p class=\" eplus-wrapper\"><\/p>\n\n\n\n<p class=\" eplus-wrapper\"><\/p>\n\n\n\n<p class=\" eplus-wrapper\"><\/p>\n\n\n\n<p class=\" eplus-wrapper\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spatial encoding in MRI is usually performed using gradient coils that produce a linearly increasing magnetic field Bz in a desired spatial direction such that its gradient is constant. However, it has been shown that spatial encoding in MRI can also be performed with coils that produce nonlinear magnetic fields. In this study, the performance [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":9023,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","editor_plus_copied_stylings":"{}","footnotes":""},"categories":[322,334,205],"tags":[],"class_list":["post-9025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-awards-and-recognitions","category-featured-news","category-other-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Magnetic resonance imaging using a straight wire magnetic field for spatial signal encoding : imaging verification with 2D experiments and 3D modeling - In\u0161titut Jo\u017eef Stefan<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www-f5.ijs.si\/en\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\/2025\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magnetic resonance imaging using a straight wire magnetic field for spatial signal encoding : imaging verification with 2D experiments and 3D modeling - In\u0161titut Jo\u017eef Stefan\" \/>\n<meta property=\"og:description\" content=\"Spatial encoding in MRI is usually performed using gradient coils that produce a linearly increasing magnetic field Bz in a desired spatial direction such that its gradient is constant. However, it has been shown that spatial encoding in MRI can also be performed with coils that produce nonlinear magnetic fields. In this study, the performance [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www-f5.ijs.si\/en\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\/2025\" \/>\n<meta property=\"og:site_name\" content=\"In\u0161titut Jo\u017eef Stefan\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-08T12:35:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-08T12:35:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www-f5.ijs.si\/wp-content\/uploads\/2025\/12\/Slika_MRI_z_nelinearnimi_tuljavami.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1328\" \/>\n\t<meta property=\"og:image:height\" content=\"504\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"F5 editor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"F5 editor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www-f5.ijs.si\\\/en\\\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\\\/2025#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www-f5.ijs.si\\\/en\\\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\\\/2025\"},\"author\":{\"name\":\"F5 editor\",\"@id\":\"https:\\\/\\\/www-f5.ijs.si\\\/#\\\/schema\\\/person\\\/47068e91542e8d368cfe7361f48b0154\"},\"headline\":\"Magnetic resonance imaging using a straight wire magnetic field for spatial signal encoding : imaging verification with 2D experiments and 3D modeling\",\"datePublished\":\"2025-12-08T12:35:35+00:00\",\"dateModified\":\"2025-12-08T12:35:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www-f5.ijs.si\\\/en\\\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\\\/2025\"},\"wordCount\":250,\"image\":{\"@id\":\"https:\\\/\\\/www-f5.ijs.si\\\/en\\\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\\\/2025#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www-f5.ijs.si\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/Slika_MRI_z_nelinearnimi_tuljavami.jpg\",\"articleSection\":[\"Awards and recognitions\",\"Featured news\",\"Other news\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www-f5.ijs.si\\\/en\\\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\\\/2025\",\"url\":\"https:\\\/\\\/www-f5.ijs.si\\\/en\\\/magnetic-resonance-imaging-using-a-straight-wire-magnetic-field-for-spatial-signal-encoding-imaging-verification-with-2d-experiments-and-3d-modeling\\\/2025\",\"name\":\"Magnetic resonance imaging using a straight wire magnetic field for spatial signal encoding : imaging verification with 2D experiments and 3D modeling - 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