{"id":4560,"date":"2025-12-17T13:48:54","date_gmt":"2025-12-17T06:48:54","guid":{"rendered":"https:\/\/www2.si.mahidol.ac.th\/department\/biochemistry\/?p=4560"},"modified":"2026-03-30T15:23:22","modified_gmt":"2026-03-30T08:23:22","slug":"accurate-prediction-of-ion-mobility-collision-cross-section-using-ions-polarizability-and-molecular-mass-with-limited-data","status":"publish","type":"post","link":"https:\/\/www2.si.mahidol.ac.th\/department\/biochemistry\/en\/accurate-prediction-of-ion-mobility-collision-cross-section-using-ions-polarizability-and-molecular-mass-with-limited-data\/","title":{"rendered":"Accurate Prediction of Ion Mobility Collision Cross-Section Using Ion&#8217;s Polarizability and Molecular Mass with Limited Data"},"content":{"rendered":"<p>Pattipong Wisanpitayakorn, Sitanan Sartyoungkul, Alongkorn Kurilung, Yongyut Sirivatanauksorn, <strong> Wonnop Visessanguan<\/strong> , Nuankanya Sathirapongsasuti, <strong>Sakda Khoomrung<\/strong><\/p>\n<h2 class=\"title\">Abstract<\/h2>\n<div id=\"eng-abstract\" class=\"abstract-content selected\">\n<div class=\"title\">\n<p>The rotationally averaged collision cross-section (CCS) determined by ion mobility-mass spectrometry (IM-MS) facilitates the identification of various biomolecules. Although machine learning (ML) models have recently emerged as a highly accurate approach for predicting CCS values, they rely on large data sets from various instruments, calibrants, and setups, which can introduce additional errors. In this study, we identified and validated that ion&#8217;s polarizability and mass-to-charge ratio (m\/z) have the most significant predictive power for traveling-wave IM CCS values in relation to other physicochemical properties of ions. Constructed solely based on these two physicochemical properties, our CCS prediction approach demonstrated high accuracy (mean relative error of &lt;3.0%) even when trained with limited data (15 CCS values). Given its ability to excel with limited data, our approach harbors immense potential for constructing a precisely predicted CCS database tailored to each distinct experimental setup. A Python script for CCS prediction using our approach is freely available at https:\/\/github.com\/MSBSiriraj\/SVR_CCSPrediction under the GNU General Public License (GPL) version 3.<\/p>\n<p><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38393779\/\">https:\/\/pubmed.ncbi.nlm.nih.gov\/38393779\/<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pattipong Wisanpitayakorn, Sitanan Sartyoungkul, Alongkorn Kurilung, Yongyut Sirivatanauksorn, Wonnop Visessanguan , Nuankanya Sathirapongsasuti, Sakda Khoomrung Abstract The rotationally averaged collision cross-section (CCS) determined by ion mobility-mass spectrometry (IM-MS) facilitates the identification of various biomolecules. Although machine learning (ML) models have recently emerged as a highly accurate approach for predicting CCS values, they rely on large [&#8230;]\n","protected":false},"author":6,"featured_media":4562,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-4560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-innovation-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Accurate Prediction of Ion Mobility Collision Cross-Section Using Ion&#039;s Polarizability and Molecular Mass with Limited Data - \u0e20\u0e32\u0e04\u0e27\u0e34\u0e0a\u0e32\u0e0a\u0e35\u0e27\u0e40\u0e04\u0e21\u0e35 \u0e04\u0e13\u0e30\u0e41\u0e1e\u0e17\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e4c\u0e28\u0e34\u0e23\u0e34\u0e23\u0e32\u0e0a\u0e1e\u0e22\u0e32\u0e1a\u0e32\u0e25 \u0e21\u0e2b\u0e32\u0e27\u0e34\u0e17\u0e22\u0e32\u0e25\u0e31\u0e22\u0e21\u0e2b\u0e34\u0e14\u0e25<\/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:\/\/www2.si.mahidol.ac.th\/department\/biochemistry\/en\/accurate-prediction-of-ion-mobility-collision-cross-section-using-ions-polarizability-and-molecular-mass-with-limited-data\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Accurate Prediction of Ion Mobility Collision Cross-Section Using Ion&#039;s Polarizability and Molecular Mass with Limited Data - \u0e20\u0e32\u0e04\u0e27\u0e34\u0e0a\u0e32\u0e0a\u0e35\u0e27\u0e40\u0e04\u0e21\u0e35 \u0e04\u0e13\u0e30\u0e41\u0e1e\u0e17\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e4c\u0e28\u0e34\u0e23\u0e34\u0e23\u0e32\u0e0a\u0e1e\u0e22\u0e32\u0e1a\u0e32\u0e25 \u0e21\u0e2b\u0e32\u0e27\u0e34\u0e17\u0e22\u0e32\u0e25\u0e31\u0e22\u0e21\u0e2b\u0e34\u0e14\u0e25\" \/>\n<meta property=\"og:description\" content=\"Pattipong Wisanpitayakorn, Sitanan Sartyoungkul, Alongkorn Kurilung, Yongyut Sirivatanauksorn, Wonnop Visessanguan , Nuankanya Sathirapongsasuti, Sakda Khoomrung Abstract The rotationally averaged collision cross-section (CCS) determined by ion mobility-mass spectrometry (IM-MS) facilitates the identification of various biomolecules. Although machine learning (ML) models have recently emerged as a highly accurate approach for predicting CCS values, they rely on large [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www2.si.mahidol.ac.th\/department\/biochemistry\/en\/accurate-prediction-of-ion-mobility-collision-cross-section-using-ions-polarizability-and-molecular-mass-with-limited-data\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0e20\u0e32\u0e04\u0e27\u0e34\u0e0a\u0e32\u0e0a\u0e35\u0e27\u0e40\u0e04\u0e21\u0e35 \u0e04\u0e13\u0e30\u0e41\u0e1e\u0e17\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e4c\u0e28\u0e34\u0e23\u0e34\u0e23\u0e32\u0e0a\u0e1e\u0e22\u0e32\u0e1a\u0e32\u0e25 \u0e21\u0e2b\u0e32\u0e27\u0e34\u0e17\u0e22\u0e32\u0e25\u0e31\u0e22\u0e21\u0e2b\u0e34\u0e14\u0e25\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SIBBprogram\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-17T06:48:54+00:00\" \/>\n<meta property=\"article:modified_time\" 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