{"id":37346,"date":"2020-07-30T18:22:00","date_gmt":"2020-07-30T15:22:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/researchers-make-major-concerning-microplastics-discovery\/"},"modified":"2020-07-30T18:22:00","modified_gmt":"2020-07-30T15:22:00","slug":"researchers-make-major-concerning-microplastics-discovery","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/researchers-make-major-concerning-microplastics-discovery\/","title":{"rendered":"#Researchers make major, concerning microplastics discovery"},"content":{"rendered":"

“#Researchers make major, concerning microplastics discovery<\/strong>”<\/p>\n

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\"UCC<\/img>
\n Top image the freshwater amphipods Gammarus duebeni and their plant food source Lemna minor. Bottom left image shows two fragmented microplastics in an amphipod\u2019s gut. Bottom right image shows a nanoplastic fragment inside an amphipod\u2019s gut. Credit: Alicia Mateos-C\u00e1rdenas.
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Researchers from University College Cork have discovered that microplastics (plastic pieces smaller than 5 mm) in our freshwaters are being broken down into even smaller nanoplastics (smaller than 1 \u00b5m, at least five thousand times smaller in size) by a type of freshwater invertebrate animal, and that this may happ<\/a>en much faster than previously estimated.<\/p>\n

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Their findings have significant consequences for the understanding of microplastics in our environment and could have implications for the food chain.<\/p>\n

Until now, breakdown of plastics had been thought to occur mainly through very slow processes in the marine environment such as sunlight or wave action, which can take years or decades. But UCC researchers have discovered that a very common invertebrate animal found in Irish freshwater streams is able to rapidly breakdown these microplastics in just hours.
\nStudy leader Dr. Alicia Mateos-C\u00e1rdenas, of UCC’s School of BEES and Environmental Research Institute said:
\n“We have found that the freshwater amphipod, a small crustacean, called Gammarus duebeni is able to fragment microplastics into different shapes and sizes, including nanoplastics, in less than four days. Whilst this species lives in Irish streams, they belong to a bigger animal group of invertebrates commonly found around the world in freshwaters and oceans. Our finding has substantial consequences for the understanding of the environmental fate of microplastics.”
\nMicroplastics are fragmented by freshwater invertebrate animals as part of their digestive process.
\nThe alarming results of this EPA-funded study, published in Scientific Reports<\/i> this week, also have consequences in terms of the impacts of plastics. While microplastics can become stuck in the gut of seabirds and fish, current understanding suggests that the smaller nanoplastic particles could penetrate cells and tissues where their effects could be much harder to predict.
\nThe findings that such a common invertebrate animal can rapidly produce vast numbers of nanoplastics is particularly worrying for researchers.
\n“These invertebrates are very important in ecosystems because they are prey for fish and birds, hence any nanoplastic fragments that they produce may be entering food chains” Dr. Alicia Mateos-C\u00e1rdenas added.
\n“The data in this study will help us to understand the role of animals in determining the fate of plastics in our waters, but further research is urgently needed to uncover the full impact of these particles,” she said.
\nThe Open Access study is published today in the journal Scientific Reports<\/i>.<\/p>\n

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More information:<\/strong>
\n Alicia Mateos-C\u00e1rdenas et al. Rapid fragmentation of microplastics by the freshwater amphipod Gammarus duebeni (Lillj.), Scientific Reports<\/i> (2020). DOI: 10.1038\/s41598-020-69635-2\n <\/div>\n

\n Citation<\/strong>:
\n Researchers make major, concerning microplastics discovery (2020, July 30)
\n retrieved 30 July 2020
\n from https:\/\/phys.org\/news<\/a>\/2020-07-major-microplastics-discovery.html<\/p>\n

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“#Researchers make major, concerning microplastics discovery” Top image the freshwater amphipods Gammarus duebeni and their plant food source Lemna minor. Bottom left image shows two fragmented microplastics in an amphipod\u2019s gut. Bottom right image shows a nanoplastic fragment inside an amphipod\u2019s gut. Credit: Alicia Mateos-C\u00e1rdenas. Researchers from University College Cork have discovered that microplastics (plastic…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[46368,10595,46367],"class_list":["post-37346","post","type-post","status-publish","format-standard","hentry","category-sciencee","tag-concerning-microplastics-discovery","tag-environment","tag-researchers-make-major"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/37346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=37346"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/37346\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=37346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=37346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=37346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}