{"id":29573,"date":"2021-07-27T00:01:15","date_gmt":"2021-07-27T04:01:15","guid":{"rendered":"https:\/\/beyondpesticides.org\/dailynewsblog\/?p=29573"},"modified":"2021-07-27T12:15:11","modified_gmt":"2021-07-27T16:15:11","slug":"researchers-develop-pesticide-free-mosquito-proof-clothing","status":"publish","type":"post","link":"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/","title":{"rendered":"Researchers Develop Pesticide-Free, Mosquito-Proof Clothing"},"content":{"rendered":"<p>(<em>Beyond Pesticides<\/em>, July 27, 2021) Researchers at North Carolina State University have developed pesticide-free clothing able to prevent 100% of mosquito bites for the wearer, and published proof of the garment\u2019s effectiveness in a study in the journal <a href=\"https:\/\/www.mdpi.com\/2075-4450\/12\/7\/636\">Insects<\/a>. If able to be scaled at a commercial level, the fabrics have the potential to transform personal protective measures for mosquitoes, which often includes in well-meaning consumers spraying toxic pesticides like <a href=\"https:\/\/www.beyondpesticides.org\/resources\/pesticide-gateway?pesticideid=23\">DEET<\/a> and <a href=\"https:\/\/www.beyondpesticides.org\/resources\/pesticide-gateway?pesticideid=61\">permethrin<\/a> on their body and clothing. \u201cThe fabric is proven to work \u2013 that\u2019s the great thing we discovered,\u201d said study co-author Andre West, associate professor of fashion and textile design at NC\u00a0State and director of Zeis Textiles Extension for Economic Development in <a href=\"https:\/\/news.ncsu.edu\/2021\/07\/mosquito-resistant-clothing-prevents-bites-in-trials\/\">a press release.<\/a> \u201cTo me, that\u2019s revolutionary. We found we can prevent the mosquito from pushing through the fabric, while others were thick enough to prevent it from reaching the skin.\u201d<\/p>\n<p>To create the mosquito-proof fabric, scientists turned to physics and mathematical models, rather than looking for new killer chemistries. \u201cOur premise here is: why do we need an insecticide-treated textile when you can do it, now that you know a mathematical formula, without chemistry?\u201d said Michael Roe, PhD, an N.C. State professor of entomology to the <a href=\"https:\/\/greensboro.com\/news\/education\/how-n-c-state-used-math-and-fibers-to-make-a-mosquito-proof-fabric-that\/article_ba7dded2-7687-523d-ba4e-656dc775e20d.html\">News and Record.<\/a> \u00a0Scientists analyzed the mosquito\u2019s morphology, looking for weaknesses that could be addressed by various textiles. Measurements were taken on the mosquitoes\u2019 head, antenna, proboscis and other mouth parts. Then, textile models were with differing pore sizes and thicknesses were developed to address different aspects of the mosquito\u2019s morphology. One had pores small enough to stop the proboscis from entering the skin, another stopped the mosquito from getting its head close enough to the skin, and the third had larger pores but was thick enough to stop skin contact.<\/p>\n<p>Scientists then developed three fabrics based on the models to test in the real world. One was a superfine knit, another was knit, double layered and bonded, and the last fabric was a knit three-dimensional fabric, and thus thicker than the other two. Lab testing found that the fabrics developed by researchers provided bite resistance of 95% or greater.<\/p>\n<p>Scientists then compared the success of their model textiles to the use of permethrin-treated clothing, a common insecticide which, despite being classified as having <a href=\"http:\/\/npic.orst.edu\/chemicals_evaluated.pdf\">suggestive evidence of carcinogenicity<\/a>, is often impregnated in or sprayed onto clothing in attempts to ward away mosquitoes. Results showed that while the pesticide-free woven textiles maintained bite resistance to 95%, permethrin treated clothing\u2019s bite resistance was as low as 80%. Although more mosquitoes landed on the woven clothing, fewer were able to penetrate and reach the skin. And while the permethrin-treated clothing had fewer mosquito landings, those that were able to get near the skin were also able to extract a blood meal.<\/p>\n<p>To ensure their textiles worked outside of the lab, two pieces of bite-proof clothing were constructed \u2013 a thin underlayer shirt, and a thicker military style shirt. These garments were tested by having a individual wear the clothing and walk into a cage filled with mosquitoes. For the military-style shirt, bite resistance was 100%. For the underlayer, 96.5% bite resistance was achieved, showing 7 bites out of 200 mosquitoes. Researchers indicate that another layer of clothing would result in 100% effectiveness, and some tweaks to the original garment were also able to achieve this goal. In addition to successfully eliminating mosquito bites, the study indicates that the clothing was comfortable, and still provided good breathability.<\/p>\n<p>\u201cThe final garments that were produced were 100 percent bite-resistant,\u201d said Michael Roe, PhD, William Neal Reynolds Distinguished Professor of Entomology at NC\u00a0State. \u201cEveryday clothing you wear in the summer is not bite-resistant to mosquitoes. Our work has shown that it doesn\u2019t have to be that way. Clothes that you wear every day can be made bite-resistant. Ultimately, the idea is to have a model that will cover all possible garments that person would ever want \u2013 both for the military as well as for private use.\u201d<\/p>\n<p>Eliminating the military\u2019s use of insecticide-treated clothing would be an important step forward in protecting US military members. <a href=\"https:\/\/www.beyondpesticides.org\/resources\/mosquitos-and-insect-borne-diseases\/publications\/deet-and-permethrin-a-dangerous-combination\">Previous research<\/a> has found that combinations of DEET and permethrin used in clothing worn by US service members may have played a role in the development of Gulf War syndrome, a disease characterized by chronic symptoms, including headache, loss of memory, fatigue, muscle and joint pain, and ataxia, which causes an inability to coordinate muscular movements.<\/p>\n<p>Reports indicate that the company <a href=\"https:\/\/vectortextiles.com\/about-us\/\">Vector Textiles<\/a> has licensed the patent rights for the garments, and has begun to prototype new clothing, including a pesticide-free mosquito-resistant infant onesie.<\/p>\n<p>While waiting for this revolutionary mosquito-avoidance method to hit the market, continue to take protective measures that do not include the use of DEET, permethrin and other toxic insecticides. Long-sleeve light colored clothing, coupled with <a href=\"https:\/\/www.beyondpesticides.org\/assets\/media\/documents\/mosquito\/documents\/LeastToxicMosquitoRepel.pdf\">least-toxic repellants<\/a> can adequately address outdoor nuisance mosquitoes. Yard, neighborhood, and community-based measures to remove standing water around properties and encourage neighbors to do the same can also have a dramatic effect at reducing numbers of nuisance biting mosquitoes.<\/p>\n<p>For more information on how to stop the bite, see Beyond Pesticides program page on <a href=\"https:\/\/www.beyondpesticides.org\/resources\/mosquitos-and-insect-borne-diseases\/overview\">Safer Mosquito Management<\/a>. If you\u2019d like to begin educating your neighbors and community about safer ways to manage mosquitoes without the use of toxic insecticides, <a href=\"https:\/\/shop.beyondpesticides.org\/collections\/lawn-and-landscape-signs\/products\/mosquito-doorknob-hangers-25-count\">let the Mosquito Doorknob Hanger<\/a> help you start the conversation.<\/p>\n<p><em>All unattributed positions and opinions in this piece are those of Beyond Pesticides.<\/em><\/p>\n<p>Source: <a href=\"https:\/\/news.ncsu.edu\/2021\/07\/mosquito-resistant-clothing-prevents-bites-in-trials\/\">NC State University<\/a> (press release), <a href=\"https:\/\/www.mdpi.com\/2075-4450\/12\/7\/636\/htm\">Insects<\/a> (peer-reviewed journal)<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Beyond Pesticides, July 27, 2021) Researchers at North Carolina State University have developed pesticide-free clothing able to prevent 100% of mosquito bites for the wearer, and published proof of the garment\u2019s effectiveness in a study in the journal Insects. If able to be scaled at a commercial level, the fabrics have the potential to transform personal protective measures for mosquitoes, which often includes in well-meaning consumers spraying toxic pesticides like DEET and permethrin on their body and clothing. \u201cThe fabric is proven to work \u2013 that\u2019s the great thing we discovered,\u201d said study co-author Andre West, associate professor of fashion and textile design at NC\u00a0State and director of Zeis Textiles Extension for Economic Development in a press release. \u201cTo me, that\u2019s revolutionary. We found we can prevent the mosquito from pushing through the fabric, while others were thick enough to prevent it from reaching the skin.\u201d To create the mosquito-proof fabric, scientists turned to physics and mathematical models, rather than looking for new killer chemistries. \u201cOur premise here is: why do we need an insecticide-treated textile when you can do it, now that you know a mathematical formula, without chemistry?\u201d said Michael Roe, PhD, an N.C. State professor of entomology [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":19949,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[160,266,38,1],"tags":[],"class_list":["post-29573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-deet","category-mosquitoes","category-permethrin","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Researchers Develop Pesticide-Free, Mosquito-Proof Clothing - Beyond Pesticides Daily News Blog<\/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:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researchers Develop Pesticide-Free, Mosquito-Proof Clothing - Beyond Pesticides Daily News Blog\" \/>\n<meta property=\"og:description\" content=\"(Beyond Pesticides, July 27, 2021) Researchers at North Carolina State University have developed pesticide-free clothing able to prevent 100% of mosquito bites for the wearer, and published proof of the garment\u2019s effectiveness in a study in the journal Insects. If able to be scaled at a commercial level, the fabrics have the potential to transform personal protective measures for mosquitoes, which often includes in well-meaning consumers spraying toxic pesticides like DEET and permethrin on their body and clothing. \u201cThe fabric is proven to work \u2013 that\u2019s the great thing we discovered,\u201d said study co-author Andre West, associate professor of fashion and textile design at NC\u00a0State and director of Zeis Textiles Extension for Economic Development in a press release. \u201cTo me, that\u2019s revolutionary. We found we can prevent the mosquito from pushing through the fabric, while others were thick enough to prevent it from reaching the skin.\u201d To create the mosquito-proof fabric, scientists turned to physics and mathematical models, rather than looking for new killer chemistries. \u201cOur premise here is: why do we need an insecticide-treated textile when you can do it, now that you know a mathematical formula, without chemistry?\u201d said Michael Roe, PhD, an N.C. State professor of entomology [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/\" \/>\n<meta property=\"og:site_name\" content=\"Beyond Pesticides Daily News Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/beyondpesticides\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/beyondpesticides\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-27T04:01:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-07-27T16:15:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2017\/02\/aedes-albopictus-mosquito-genus-of-the-culicine-family-of-mosquitoes-e1627314296902.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"4500\" \/>\n\t<meta property=\"og:image:height\" content=\"2250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Beyond Pesticides\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ByondPesticides\" \/>\n<meta name=\"twitter:site\" content=\"@ByondPesticides\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Beyond Pesticides\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/\"},\"author\":{\"name\":\"Beyond Pesticides\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/#\/schema\/person\/1b5c0a0981b549cc5b628770073031f4\"},\"headline\":\"Researchers Develop Pesticide-Free, Mosquito-Proof Clothing\",\"datePublished\":\"2021-07-27T04:01:15+00:00\",\"dateModified\":\"2021-07-27T16:15:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/\"},\"wordCount\":913,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/#organization\"},\"image\":{\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/wp-content\/uploads\/2017\/02\/aedes-albopictus-mosquito-genus-of-the-culicine-family-of-mosquitoes-e1627314296902.jpg\",\"articleSection\":[\"DEET\",\"Mosquitoes\",\"Permethrin\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/\",\"url\":\"https:\/\/beyondpesticides.org\/dailynewsblog\/2021\/07\/researchers-develop-pesticide-free-mosquito-proof-clothing\/\",\"name\":\"Researchers Develop Pesticide-Free, Mosquito-Proof Clothing - 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The founders, who established Beyond Pesticides (originally as National Coalition Against the Misuse of Pesticides) as a nonprofit membership organization in 1981, felt that without the existence of such an organized, national network, local, state and national pesticide policy would become, under chemical industry pressure, increasingly unresponsive to public health and environmental concerns. Beyond Pesticides believes that people must have a voice in decisions that affect them directly. We believe decisions should not be made for us by chemical companies or by decision-makers who either do not have all of the facts or refuse to consider them. Learn more about our work, read A Year in Review\u20142021, our accomplishments are your victories! Beyond Pesticides seeks to protect healthy air, water, land, and food for ourselves and future generations. 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If able to be scaled at a commercial level, the fabrics have the potential to transform personal protective measures for mosquitoes, which often includes in well-meaning consumers spraying toxic pesticides like DEET and permethrin on their body and clothing. \u201cThe fabric is proven to work \u2013 that\u2019s the great thing we discovered,\u201d said study co-author Andre West, associate professor of fashion and textile design at NC\u00a0State and director of Zeis Textiles Extension for Economic Development in a press release. \u201cTo me, that\u2019s revolutionary. We found we can prevent the mosquito from pushing through the fabric, while others were thick enough to prevent it from reaching the skin.\u201d To create the mosquito-proof fabric, scientists turned to physics and mathematical models, rather than looking for new killer chemistries. \u201cOur premise here is: why do we need an insecticide-treated textile when you can do it, now that you know a mathematical formula, without chemistry?\u201d said Michael Roe, PhD, an N.C. 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