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SUCUL EKOSiSTEMDE MiKRO VE NANOPLASTiKLER / MICRO AND NANOPLASTICS IN AQUATIC ECOSYSTEM
Summary
This Turkish-language review covers micro- and nanoplastics in aquatic ecosystems, examining their sources, distribution, and toxic effects on aquatic organisms. Evidence suggests these tiny particles can cross intestinal walls and even breach the blood-brain barrier, posing systemic health risks.
OZET Plastik uretimindeki hizli ve istikrarli artis dunya genelinde plastik kirliliginin ortaya cikmasina neden olmustur. Yapilan calismalarda buyuk boyutlu plastiklerin organizmalar uzerindeki fizyolojik etki mekanizmalari arastirilirken, mikro/nano boyutlu plastiklerin sucul organizmalar uzerindeki toksik etki mekanizmalari hala tam olarak aydinlatilamamistir. Mikro/nano plastiklerin sucul organizmalarin bagirsaklarindan dolasim sistemine girme egilimi gosterdigi, kan-beyin bariyerine nufuz ettigi ve davranis bozukluklarini tetikledigi bildirilmektedir. Bu bulgular daha genis perspektifte degerlendirildiginde mikro/nano plastik kontamine deniz urunlerinin besin zinciri araciligiyla insanlarda da mikro/nano plastik alim/birikimine neden olabilecegi ve davranis bozukluklarina neden olacagi dusunulmektedir. Bu nedenle bu derlemede mikro ve nanoplastiklerin organizmalar uzerindeki etki mekanizmalari incelenecektir. ABSTRACT The rapid and steady increases in production of plastics have led to plastic pollution in the world. Previous studies have investigated that the physiological effects of large-sized plastics on organisms whereas the toxic effects of micro/nanoplastics on organisms is not fully understand. Also, studies reported that micro/nanoplastics have the propensity to translocate from the gut to the circulatory system, penetrate the blood to brain barrier and cause behavioral disorders. In a broader perspective, the consumption of micro/nanoplastic contaminated seafood through a food chain may cause to the intake/accumulation of micro/nanoplastics in human and induce behavioral disorders. Therefore, the action mechanism of micro/nanoplastics on organisms will be evaluated with this review.
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