![\"\"](\"https:\/\/technews.al\/wp-content\/uploads\/2024\/01\/wgt-plasticbottle-090124.jpg.webp\")
<\/figure>\n\n\n\nNanoplastika paraqesin nj\u00eb k\u00ebrc\u00ebnim m\u00eb t\u00eb madh p\u00ebr sh\u00ebndetin e njeriut sesa mikroplastika, sepse ato jan\u00eb mjaft t\u00eb vogla p\u00ebr t\u00eb dep\u00ebrtuar n\u00eb qelizat njer\u00ebzore, p\u00ebr t\u00eb hyr\u00eb n\u00eb qarkullimin e gjakut dhe p\u00ebr t\u00eb prekur organet. Nanoplastika gjithashtu mund t\u00eb kaloj\u00eb p\u00ebrmes placent\u00ebs n\u00eb trupat e foshnjave t\u00eb palindura. Shkenc\u00ebtar\u00ebt kan\u00eb dyshuar prej koh\u00ebsh p\u00ebr pranin\u00eb e tyre n\u00eb ujin e ambalazhuar, por i mungonte teknologjia p\u00ebr t\u00eb identifikuar nanogrimcat individuale.<\/p>\n\n\n\n
P\u00ebr t\u00eb kap\u00ebrcyer k\u00ebt\u00eb sfid\u00eb, bashk\u00ebautor\u00ebt e studimit shpik\u00ebn nj\u00eb teknik\u00eb t\u00eb re mikroskopike, programuan nj\u00eb algorit\u00ebm t\u00eb bazuar n\u00eb t\u00eb dh\u00ebna dhe i p\u00ebrdor\u00ebn t\u00eb dyja p\u00ebr t\u00eb analizuar af\u00ebrsisht 25 litra uj\u00eb n\u00eb shishe t\u00eb bler\u00eb nga tre marka t\u00eb njohura n\u00eb SHBA. (K\u00ebrkuesit nuk pranuan t\u00eb specifikonin se cilat marka.) Ata gjet\u00ebn 110,000 deri n\u00eb 370,000 grimca t\u00eb vogla plastike n\u00eb \u00e7do lit\u00ebr, 90% e tyre nanoplastik\u00eb.<\/p>\n\n\n\n
\u201cKy studim ofron nj\u00eb mjet t\u00eb fuqish\u00ebm p\u00ebr t\u00eb adresuar sfidat n\u00eb analizimin e nanoplastik\u00ebs, i cili mban premtimin p\u00ebr t\u00eb kap\u00ebrcyer hendekun aktual t\u00eb njohurive mbi ndotjen plastike n\u00eb nivelin nano,\u201d thot\u00eb Naixin Qian, autori kryesor i studimit dhe nj\u00eb student i diplomuar i Universitetit t\u00eb Kolumbis\u00eb n\u00eb. kimis\u00eb.<\/p>\n\n\n\n \u201cM\u00eb par\u00eb kjo ishte vet\u00ebm nj\u00eb zon\u00eb e err\u00ebt, e paeksploruar. Studimet e toksicitetit thjesht supozonin se \u00e7far\u00eb kishte brenda\u201d, shton Beizhan Yan, bashk\u00ebautor i studimit dhe nj\u00eb kimist mjedisor n\u00eb Universitetin e Kolumbis\u00eb. “Kjo hap nj\u00eb dritare ku ne mund t\u00eb shikojm\u00eb n\u00eb nj\u00eb bot\u00eb q\u00eb nuk na ishte ekspozuar m\u00eb par\u00eb.”<\/p>\n\n\n\n Studiuesit synuan shtat\u00eb lloje t\u00eb zakonshme plastike, duke p\u00ebrfshir\u00eb tereftalatin e polietilenit (PET), nga i cili jan\u00eb b\u00ebr\u00eb shum\u00eb shishe uji, dhe poliamidin, i cili shpesh p\u00ebrdoret n\u00eb filtra p\u00ebr t\u00eb pastruar ujin p\u00ebrpara se t\u00eb hidhet n\u00eb shishe. Por ata gjithashtu zbuluan shum\u00eb nanogrimca t\u00eb paidentifikuara n\u00eb uj\u00eb. N\u00ebse ndonj\u00eb prej tyre \u00ebsht\u00eb gjithashtu nanoplastik\u00eb, prevalenca e plastik\u00ebs n\u00eb ujin n\u00eb shishe mund t\u00eb jet\u00eb edhe m\u00eb e lart\u00eb.<\/p>\n\n\n\n N\u00eb nj\u00eb deklarat\u00eb, Shoqata Nd\u00ebrkomb\u00ebtare e Ujit n\u00eb Shishe tha se metodologjia e studimit “duhet t\u00eb rishikohet plot\u00ebsisht nga komuniteti shkencor” dhe se “nuk ka konsensus shkencor mbi ndikimet e mundshme sh\u00ebndet\u00ebsore t\u00eb grimcave nano dhe mikroplastike”. Shoqata nuk komentoi mbi gjetjet e studimit.<\/p>\n\n\n\n Bota prodhon m\u00eb shum\u00eb se 450 milion\u00eb ton\u00eb plastik\u00eb \u00e7do vit, shumica e t\u00eb cilave p\u00ebrfundimisht p\u00ebrfundon n\u00eb deponi. Shumica d\u00ebrrmuese e plastik\u00ebs nuk degradohet natyrsh\u00ebm, por ndahet n\u00eb copa m\u00eb t\u00eb vogla me kalimin e koh\u00ebs. Pjes\u00ebt e vogla plastike gjithashtu derdhen n\u00eb m\u00ebnyr\u00eb rutinore nga produktet q\u00eb p\u00ebrmbajn\u00eb plastik\u00eb nd\u00ebrsa ato jan\u00eb n\u00eb p\u00ebrdorim, duke p\u00ebrfshir\u00eb shum\u00eb p\u00eblhura sintetike.<\/p>\n","protected":false},"excerpt":{"rendered":" Sipas nj\u00eb studimi t\u00eb ri, nj\u00eb shishe tipike me uj\u00eb me nj\u00eb lit\u00ebr (33 ons) p\u00ebrmban mesatarisht rreth 240,000 fragmente plastike. Shum\u00eb prej k\u00ebtyre fragmenteve kan\u00eb kaluar historikisht t\u00eb pazbuluara, p\u00ebrcaktuan studiuesit, duke sugjeruar se shqet\u00ebsimet sh\u00ebndet\u00ebsore t\u00eb lidhura me ndotjen plastike mund t\u00eb n\u00ebnvler\u00ebsohen n\u00eb m\u00ebnyr\u00eb dramatike. Studimi i rishikuar nga koleg\u00ebt, i botuar<\/p>\n","protected":false},"author":4,"featured_media":16988,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[40],"class_list":{"0":"post-16986","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tech","8":"tag-featured"},"yoast_head":"\n![\"\"](\"https:\/\/technews.al\/wp-content\/uploads\/2024\/01\/micropast-1024x683.jpg\")
<\/figure>\n\n\n\n