{"id":2731,"date":"2025-04-22T09:00:35","date_gmt":"2025-04-22T07:00:35","guid":{"rendered":"https:\/\/blog.fh-kaernten.at\/med-tech\/?p=2731"},"modified":"2025-04-22T09:14:02","modified_gmt":"2025-04-22T07:14:02","slug":"teachang-at-cuas","status":"publish","type":"post","link":"https:\/\/blog.fh-kaernten.at\/med-tech\/2025\/04\/22\/teachang-at-cuas\/","title":{"rendered":"Teachang&#8217;s research stay at CUAS"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2731\" class=\"elementor elementor-2731\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1984e83 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1984e83\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6c80fd0\" data-id=\"6c80fd0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d48469 elementor-widget elementor-widget-text-editor\" data-id=\"5d48469\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-family: 'Times New Roman', serif;font-size: 12pt;color: var(--sydney-text-color)\">\u03c7<\/span>-separation is an advanced Magnetic Resonance Imaging (MRI) technique that generates maps of paramagnetic and diamagnetic tissues, potentially reflecting the distribution of the paramagnetic iron and diamagnetic myelin in the brain. This method has been applied in various studies of neurological diseases such as multiple sclerosis, Parkinson\u2019s disease, and multiple system atrophy.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-2737\" src=\"http:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation.png\" alt=\"\" width=\"824\" height=\"247\" srcset=\"https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation.png 945w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation-300x90.png 300w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation-150x45.png 150w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation-768x230.png 768w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation-230x69.png 230w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation-350x105.png 350w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation-480x144.png 480w\" sizes=\"(max-width: 824px) 100vw, 824px\" \/><\/p><p>Taechang Kim, an exchange student from Seoul National University, South Korea, came to CUAS for a one-month research stay. His research focuses on the development of <span style=\"font-family: 'Times New Roman', serif;font-size: 12pt;color: var(--sydney-text-color)\">\u03c7<\/span><span style=\"color: var(--sydney-text-color)\">-separation and demonstration of its potential as a surrogate marker for iron and myelin. In the collaboration with Prof. G\u00fcnther Grabner, Teachang aimed to validate\u00a0<\/span><span style=\"font-family: 'Times New Roman', serif;font-size: 12pt;color: var(--sydney-text-color)\">\u03c7<\/span><span style=\"color: var(--sydney-text-color)\">-separation by quantitatively and qualitatively comparing the MRI susceptibility source maps with histological brain iron and myelin staining images.<\/span><\/p><p><img decoding=\"async\" class=\"aligncenter wp-image-2736\" src=\"http:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-scaled.jpg\" alt=\"\" width=\"824\" height=\"381\" srcset=\"https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-scaled.jpg 2560w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-300x139.jpg 300w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-1024x473.jpg 1024w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-150x69.jpg 150w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-768x355.jpg 768w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-1536x710.jpg 1536w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-2048x946.jpg 2048w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-1000x462.jpg 1000w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-230x106.jpg 230w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-350x162.jpg 350w, https:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/20250409_120228-480x222.jpg 480w\" sizes=\"(max-width: 824px) 100vw, 824px\" \/><\/p><p>The results showed statistically significant linear correlations between paramagnetic susceptibility values and iron staining optical density, as well as between diamagnetic susceptibility values and myelin staining optical density. Qualitative comparison revealed clearly delineated substructures in several brain regions such as the laminar structures of the globus pallidus and the subthalamic nuclei, within both the paramagnetic and diamagnetic susceptibility maps regions. However, some areas of high myelin concentration within the globus pallidus in the basal ganglia were not well represented in the diamagnetic susceptibility map. This discrepancy may highlight the need for further improvements in the <span style=\"font-family: 'Times New Roman', serif;font-size: 12pt;color: var(--sydney-text-color)\">\u03c7-<\/span>separation.<\/p><p>In the future, we plan to repeat this validation using <span style=\"font-family: 'Times New Roman', serif;font-size: 12pt;color: var(--sydney-text-color)\">\u03c7<\/span>-separation based on the gold standard COSMOS algorithm, by acquiring multi-orientation MRI data. This collaborative work is ongoing!!<\/p><p>Yours,<br \/>MedTech @ FH K\u00e4rnten<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Taechang Kim, an exchange student from Seoul National University, came to CUAS for a one-month research stay. He aimed to validate brain susceptibility source maps estimated with MRI with histological iron and myelin stainings.<\/p>\n","protected":false},"author":234,"featured_media":2757,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[19],"tags":[],"class_list":["post-2731","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Teachang&#039;s research stay at CUAS - MedTech @FH Kaernten<\/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:\/\/blog.fh-kaernten.at\/med-tech\/2025\/04\/22\/teachang-at-cuas\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Teachang&#039;s research stay at CUAS - MedTech @FH Kaernten\" \/>\n<meta property=\"og:description\" content=\"Taechang Kim, an exchange student from Seoul National University, came to CUAS for a one-month research stay. He aimed to validate brain susceptibility source maps estimated with MRI with histological iron and myelin stainings.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.fh-kaernten.at\/med-tech\/2025\/04\/22\/teachang-at-cuas\/\" \/>\n<meta property=\"og:site_name\" content=\"MedTech @FH Kaernten\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-22T07:00:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-22T07:14:02+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/blog.fh-kaernten.at\/med-tech\/files\/2025\/04\/chi-separation2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"949\" \/>\n\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Beata Bachrata\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Beata Bachrata\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated 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:\\\/\\\/blog.fh-kaernten.at\\\/med-tech\\\/2025\\\/04\\\/22\\\/teachang-at-cuas\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blog.fh-kaernten.at\\\/med-tech\\\/2025\\\/04\\\/22\\\/teachang-at-cuas\\\/\"},\"author\":{\"name\":\"Beata Bachrata\",\"@id\":\"https:\\\/\\\/blog.fh-kaernten.at\\\/med-tech\\\/#\\\/schema\\\/person\\\/6f25c5255c42566098d8ed59d5315247\"},\"headline\":\"Teachang&#8217;s research stay at CUAS\",\"datePublished\":\"2025-04-22T07:00:35+00:00\",\"dateModified\":\"2025-04-22T07:14:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blog.fh-kaernten.at\\\/med-tech\\\/2025\\\/04\\\/22\\\/teachang-at-cuas\\\/\"},\"wordCount\":259,\"image\":{\"@id\":\"https:\\\/\\\/blog.fh-kaernten.at\\\/med-tech\\\/2025\\\/04\\\/22\\\/teachang-at-cuas\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/blog.fh-kaernten.at\\\/med-tech\\\/files\\\/2025\\\/04\\\/chi-separation2.png\",\"articleSection\":[\"Projects and Grants\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blog.fh-kaernten.at\\\/med-tech\\\/2025\\\/04\\\/22\\\/teachang-at-cuas\\\/\",\"url\":\"https:\\\/\\\/blog.fh-kaernten.at\\\/med-tech\\\/2025\\\/04\\\/22\\\/teachang-at-cuas\\\/\",\"name\":\"Teachang's research stay at CUAS - 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