{"id":16333,"date":"2025-01-31T16:25:57","date_gmt":"2025-01-31T16:25:57","guid":{"rendered":"https:\/\/www.tun.com\/home\/?p=16333"},"modified":"2025-02-27T16:20:13","modified_gmt":"2025-02-27T16:20:13","slug":"scientists-discover-polar-bear-furs-ice-repelling-secrets-for-sustainable-solutions","status":"publish","type":"post","link":"https:\/\/www.tun.com\/home\/scientists-discover-polar-bear-furs-ice-repelling-secrets-for-sustainable-solutions\/","title":{"rendered":"Scientists Discover Polar Bear Fur&#8217;s Ice-Repelling Secrets for Sustainable Solutions"},"content":{"rendered":"\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-uagb-blockquote uagb-block-e7eb3fc3 uagb-blockquote__skin-border uagb-blockquote__stack-img-none\"><blockquote class=\"uagb-blockquote\"><div class=\"uagb-blockquote__content\">A new study reveals that the unique lipid composition of polar bear fur could revolutionize anti-icing technologies across various industries, from aviation to renewable energy, providing a sustainable solution inspired by nature.<\/div><footer><div class=\"uagb-blockquote__author-wrap uagb-blockquote__author-at-left\"><\/div><\/footer><\/blockquote><\/div>\n\n\n\n<div class=\"wp-block-group is-content-justification-space-between is-nowrap is-layout-flex wp-container-core-group-is-layout-b0ffac9c wp-block-group-is-layout-flex\"><div style=\"font-size:16px\" class=\"has-text-align-left wp-block-post-author\"><div class=\"wp-block-post-author__content\"><p class=\"wp-block-post-author__name\">The University Network<\/p><\/div><\/div>\n\n\n<div class=\"wp-block-uagb-social-share uagb-social-share__outer-wrap uagb-social-share__layout-horizontal uagb-block-ee584a31\">\n<div class=\"wp-block-uagb-social-share-child uagb-ss-repeater uagb-ss__wrapper uagb-block-ec619ce7\"><span class=\"uagb-ss__link\" data-href=\"https:\/\/www.facebook.com\/sharer.php?u=\" tabindex=\"0\" role=\"button\" aria-label=\"facebook\"><span class=\"uagb-ss__source-wrap\"><span class=\"uagb-ss__source-icon\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256c0 123.8 90.69 226.4 209.3 245V327.7h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.28c-30.8 0-40.41 19.12-40.41 38.73V256h68.78l-11 71.69h-57.78V501C413.3 482.4 504 379.8 504 256z\"><\/path><\/svg><\/span><\/span><\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-social-share-child uagb-ss-repeater uagb-ss__wrapper uagb-block-32d99934\"><span class=\"uagb-ss__link\" data-href=\"https:\/\/twitter.com\/share?url=\" tabindex=\"0\" role=\"button\" aria-label=\"twitter\"><span class=\"uagb-ss__source-wrap\"><span class=\"uagb-ss__source-icon\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z\"><\/path><\/svg><\/span><\/span><\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-social-share-child uagb-ss-repeater uagb-ss__wrapper uagb-block-1d136f14\"><span class=\"uagb-ss__link\" data-href=\"https:\/\/www.linkedin.com\/shareArticle?url=\" tabindex=\"0\" role=\"button\" aria-label=\"linkedin\"><span class=\"uagb-ss__source-wrap\"><span class=\"uagb-ss__source-icon\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg><\/span><\/span><\/span><\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Polar bear fur\u2019s remarkable ability to prevent ice formation is inspiring new, eco-friendly technologies to combat ice buildup in diverse industries, from aviation to renewable energy. A collaborative study <a href=\"https:\/\/www.science.org\/doi\/10.1126\/sciadv.ads7321\" target=\"_blank\" rel=\"noopener\" title=\"\">published<\/a> in Science Advances sheds light on the unique properties of polar bear fur, revealing a blend of lipids in the animal&#8217;s sebum &#8212; an oily substance produced by the skin &#8212; that significantly reduces ice adhesion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In an era of climate change, these natural mechanisms may offer a sustainable solution to ice accumulation on critical infrastructure like wind turbine blades and airplane wings. Advanced quantum chemical simulations by the University of Surrey\u2019s computational chemistry team played a pivotal role in this discovery.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The team investigated the molecular interactions between the polar bear fur\u2019s sebum and ice, leading to groundbreaking insights.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWe found that specific lipids in the sebum, such as cholesterol and diacylglycerols, exhibit very low adsorption energies on ice. This weak interaction is what prevents ice from adhering to the fur,\u201d co-author Marco Sacchi, an associate professor at Surrey\u2019s School of Chemistry and Chemical Engineering, said in a <a href=\"https:\/\/www.surrey.ac.uk\/news\/scientists-unlock-ice-repelling-secrets-polar-bear-fur-sustainable-anti-freezing-solutions\" target=\"_blank\" rel=\"noopener\" title=\"\">news release<\/a>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Further experiments validated these theoretical findings. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The researchers measured ice adhesion strength before and after the natural oils were removed from the fur. Untreated polar bear fur demonstrated performance comparable to high-end fluorocarbon coatings widely used in sports and industry, while washed fur, devoid of its sebum, showed ice adhesion levels four times higher than unwashed samples.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The research team also examined the fur\u2019s water-repelling characteristics, essential for delaying the onset of freezing in the harsh Arctic environment where temperatures plunge below -40 degrees Celsius. However, these hydrophobic properties alone did not account for the superior anti-icing capacity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Using sophisticated techniques like gas chromatography-mass spectrometry (GC-MS), liquid chromatography-mass spectrometry (LC-MS\/MS) and nuclear magnetic resonance (NMR), the researchers identified a unique lipid mix, especially cholesterol and diacylglycerols, responsible for the exceptional anti-icing behavior.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cIt\u2019s fascinating to see how evolution has optimized the sebum\u2019s composition to avoid ice adhesion. We found squalene, a common lipid in other marine mammals, was almost entirely absent in polar bear fur,&#8221; Sacchi added. &#8220;Our computational simulations revealed squalene strongly adheres to ice, and this absence significantly enhances the fur\u2019s ice-shedding properties.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The study, led by the Norwegian Polar Institute and the University of Bergen, with key contributions from Trinity College Dublin, University College London and the National Museum of Denmark, also underscores the value of Indigenous knowledge of the Arctic. Inuit communities have long understood the special properties of polar bear fur, historically using it in tools and clothing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polar bear fur\u2019s remarkable ability to prevent ice formation is inspiring new, eco-friendly technologies to combat ice buildup in diverse industries, from aviation to renewable energy. A collaborative study published in Science Advances sheds light on the unique properties of polar bear fur, revealing a blend of lipids in the animal&#8217;s sebum &#8212; an oily [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-no-separators","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-16333","post","type-post","status-publish","format-standard","hentry","category-sustainability"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Researchers unveil the unique anti-icing properties of polar bear fur, promising safer and sustainable applications in aviation and renewable energy industries.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"The University Network\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.tun.com\/home\/scientists-discover-polar-bear-furs-ice-repelling-secrets-for-sustainable-solutions\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"TUN - 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