{"id":13115,"date":"2021-07-13T14:04:42","date_gmt":"2021-07-13T17:04:42","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=13115"},"modified":"2023-01-05T14:27:25","modified_gmt":"2023-01-05T17:27:25","slug":"plastic-pollution-are-microplastics-contaminants-an-emerging-concern","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/da\/plast-forurening-er-mikroplast-forurening-et-kommende-problem\/","title":{"rendered":"Plastikforurening: Er mikroplastikforurening en ny bekymring?"},"content":{"rendered":"<p>Det er n\u00e6sten 20 \u00e5r siden, at forskere opdagede faren ved mikroplast - de fleste unders\u00f8gelser har fokuseret p\u00e5 livet i havet.&nbsp;<\/p>\n\n\n\n<p class=\"has-large-font-size\">Ethvert plastfragment, der er mindre end 5 mm langt, betegnes som mikroplast.<\/p>\n\n\n\n<p>I begyndelsen af mikroplastforskningen arbejdede forskerne prim\u00e6rt med mikroperler og jomfruelige plastpiller, der ikke kunne st\u00f8bes til produkter, herunder stykker af stort affald eller \u00f8delagte flasker, der langsomt blev nedbrudt.<\/p>\n\n\n\n<p class=\"has-text-align-center\">Tjek ud <a href=\"https:\/\/mindthegraph.com\/app\/illustrations\">Mind the Graph Gallery<\/a> illustrationer relateret til emnet for dette blogindl\u00e6g. Klik p\u00e5 billedet nedenfor!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/mindthegraph.com\/app\/illustrations?search=plastic,%20microplastic\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"716\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/plasc-1024x716.jpg\" alt=\"Mind the Graph-illustrationsgalleri om plast og mikroplast \" class=\"wp-image-13116\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/plasc-1024x716.jpg 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/plasc-300x210.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/plasc-768x537.jpg 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/plasc.jpg 1185w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Disse forurenende stoffer skyller ned ad floderne og forurener havene. Oceanografer ansl\u00e5r, at jordens overfladevand indeholder et sted mellem 15 billioner og 51 billioner plastikpartikler.<\/p>\n\n\n\n<p>Flere hundrede unders\u00f8gelser afsl\u00f8rer tilstedev\u00e6relsen af mikroplast i vandlevende organismer. Desuden er der siden da blevet identificeret adskillige kilder til mikroplast, s\u00e5som plastpartikler, der transporteres af k\u00f8ret\u00f8jer p\u00e5 vejene, og syntetiske fibre, der afst\u00f8des af t\u00f8j.&nbsp;<\/p>\n\n\n\n<p>Derudover indtager eller ind\u00e5nder folk plastik fra uidentificerede kilder, fordi affald bl\u00e6ser mellem hav og land. Det er ogs\u00e5 vigtigt at finde ud af, om bittesm\u00e5 stykker plastik har nogen negativ effekt p\u00e5 mennesker eller dyr.&nbsp;<\/p>\n\n\n\n<p>Ved at m\u00e5le eksponeringen for forurening tager milj\u00f8myndighederne det f\u00f8rste skridt mod at kvantificere sundhedsrisikoen. I lyset af de stigende koncentrationer af mikroplast og andre lidelser, der kan for\u00e5rsages af indtagelse af fisk og skaldyr, har det givet anledning til stor bekymring og ny udvikling i tilf\u00e6lde af vejrtr\u00e6kningsproblemer.<\/p>\n\n\n\n<h2><strong>Hvordan g\u00f8r mikroplast egentlig skade?<\/strong><\/h2>\n\n\n\n<p>\u00c5rsagerne til og virkningerne af disse plastpartikler har v\u00e6ret genstand for en r\u00e6kke unders\u00f8gelser. Afh\u00e6ngigt af deres st\u00f8rrelse eller evne til at tr\u00e6nge ind i v\u00e6v eller celler, kan de for\u00e5rsage irritation bare ved deres tilstedev\u00e6relse.<\/p>\n\n\n\n<p>Nano-plast, de allermindste partikler, der er st\u00f8rre end en mikrometer i diameter, er den st\u00f8rste bekymring for forskerne. Hvis der er negative effekter som f\u00f8lge af mikroplastens kemiske toksicitet, har de en tendens til at v\u00e6re st\u00f8rre.<\/p>\n\n\n\n<p>Mange tils\u00e6tningsstoffer, der bruges i fremstillingen af plast, udg\u00f8r en sundhedsrisiko ved at p\u00e5virke det endokrine system negativt. Ikke desto mindre er der mange faktorer, der unders\u00f8ges for at forst\u00e5, hvordan mikroplast indtages, og hvor lang tid det tager, f\u00f8r dets virkninger p\u00e5 kroppen manifesterer sig.<\/p>\n\n\n\n<p>Unders\u00f8gelser af mennesker har v\u00e6ret begr\u00e6nsede, og denne forskning er blevet bragt i fokus, selvom de eneste tilg\u00e6ngelige unders\u00f8gelser benytter laboratoriefors\u00f8g, der uds\u00e6tter celler og menneskeligt v\u00e6v for mikroplast, eller dyrefors\u00f8g, der involverer gnavere.<\/p>\n\n\n\n<h2><strong>Mikroplastens skader p\u00e5 havmilj\u00f8et<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/brian-yurasits-35l5ovoc7ws-unsplash.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"683\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/brian-yurasits-35l5ovoc7ws-unsplash-1024x683.jpg\" alt=\"en person med bl\u00e5 handsker holder en klar plastflaske\" class=\"wp-image-13117\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/brian-yurasits-35l5ovoc7ws-unsplash-1024x683.jpg 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/brian-yurasits-35l5ovoc7ws-unsplash-300x200.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/brian-yurasits-35l5ovoc7ws-unsplash-768x512.jpg 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/brian-yurasits-35l5ovoc7ws-unsplash-1536x1024.jpg 1536w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/brian-yurasits-35l5ovoc7ws-unsplash-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>Billedkilde<\/em>: <a href=\"https:\/\/unsplash.com\/photos\/35l5OVoC7ws\">Unsplash<\/a> af <a href=\"https:\/\/unsplash.com\/@brian_yuri\">Brian Yurasits<\/a><\/figcaption><\/figure>\n\n\n\n<p>Hvis man taler om marine organismer, er den mest indlysende m\u00e5de, hvorp\u00e5 plastik kan skade dem, at de sluger sm\u00e5 plastikpartikler, der ikke giver meget n\u00e6ring, for at overleve. I sin forskning har Lynch, som er leder af <a href=\"https:\/\/www.hpu.edu\/cncs\/cmdr\/\">Center for forskning i havaffald<\/a> p\u00e5 <a href=\"https:\/\/www.hpu.edu\/\">Hawaii Pacific Universitet<\/a> i Honolulu, unders\u00f8gte plastik og andre kemikalier i tarmene p\u00e5 havskildpadder, der var fundet d\u00f8de p\u00e5 strandene.<\/p>\n\n\n\n<p>Hendes team udf\u00f8rte en r\u00e6kke analyser p\u00e5 ni unger, der var under tre uger gamle i 2020. P\u00e5 trods af at den kun var 9 centimeter lang, havde en af ungerne 42 stykker plastik i mave-tarmkanalen. St\u00f8rstedelen var mikroplastik.<\/p>\n\n\n\n<p class=\"has-large-font-size\">Selvom mikroplast ikke menes at v\u00e6re hoved\u00e5rsagen til d\u00f8dsfald, er det stadig et ekstremt vigtigt problem. Desuden har mange f\u00f8rende forskere gjort forskellige opdagelser relateret til mikroplast og marine organismer.<\/p>\n\n\n\n<p>Som et alternativ til kugler bruger forskere nu fibre eller plastikstykker, som er mere realistiske i forhold til milj\u00f8forholdene. Mange tests er belagt med kemikalier, der ligner biofilm, hvilket \u00f8ger sandsynligheden for, at dyrene spiser dem.  P\u00e5 den m\u00e5de er der sket et positivt skift i erkendelsen af mikroplastens skadelighed.<\/p>\n\n\n\n<p>I \u00f8jeblikket mener forskerne, at mikroplast og nanoplast ikke er til stede i tilstr\u00e6kkelig koncentration til at p\u00e5virke menneskers sundhed. Ikke desto mindre forventes deres antal at vokse.<\/p>\n\n\n\n<p>Hvis vi skifter til en b\u00e6redygtig livsstil og reducerer m\u00e6ngden af giftigt affald, der dumpes i havet, kan vi stadig kontrollere dette problem.<\/p>\n\n\n\n<p>For en detaljeret beskrivelse af artiklen, se venligst DOI n\u00e6vnt nedenfor.<\/p>\n\n\n\n<p><a href=\"https:\/\/doi.org\/10.1038\/d41586-021-01143-3\">Lim, X. (2021). Mikroplastik er overalt - men er det skadeligt? https:\/\/doi.org\/10.1038\/d41586-021-01143-3<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-large-font-size\">Tjek Mind the Graph Gallery for illustrationer relateret til plast og havet.<\/p>","protected":false},"excerpt":{"rendered":"<p>Det er n\u00e6sten 20 \u00e5r siden, at forskere opdagede faren ved mikroplast - de fleste unders\u00f8gelser har fokuseret p\u00e5 livet i havet.  Ethvert plastfragment, der er under 5 millimeter langt, betegnes som mikroplast. I mikroplastforskningens tidlige dage arbejdede forskerne prim\u00e6rt med mikroperler og jomfruelige plastpiller, der ikke kunne st\u00f8bes til produkter, [...].<\/p>","protected":false},"author":18,"featured_media":13119,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[554],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Plastic Pollution: Are Microplastic Contaminants a Concern? - MTG<\/title>\n<meta name=\"description\" content=\"Besides the presence of microplastics in aquatic organisms, researchers estimate 15 trillion particles of plastic in the ocean.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/da\/plast-forurening-er-mikroplast-forurening-et-kommende-problem\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Plastic pollution: Are microplastics contaminants an emerging concern?\" \/>\n<meta property=\"og:description\" content=\"Besides the presence of microplastics in aquatic organisms, researchers estimate 15 trillion particles of plastic in the ocean.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/da\/plast-forurening-er-mikroplast-forurening-et-kommende-problem\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-13T17:04:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-05T17:27:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/post-plastic-pollution-facebook.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bruna Soldera\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Plastic pollution: Are microplastics contaminants an emerging concern?\" \/>\n<meta name=\"twitter:description\" content=\"Besides the presence of microplastics in aquatic organisms, researchers estimate 15 trillion particles of plastic in the ocean.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/post-plastic-pollution-twitter.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bruna Soldera\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Plastic Pollution: Are Microplastic Contaminants a Concern? 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