{"refrec":{"BRefID":361754,"RR":"<b>Pyl, M.; Taylor, A.; Oberhänsli, F.; Swarzenski, P.; Hussamy, L.; Besson, M.; Danis, B.; Metian, M.</b> (2022). Size-dependent transfer of microplastics across the intestinal wall of the echinoid <i>Paracentrotus lividus</i>. <i>Aquat. Toxicol. 250</i>: 106235. <a href=\"https://dx.doi.org/10.1016/j.aquatox.2022.106235\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquatox.2022.106235</a>","BEntID":359470,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Aquat. Toxicol. 250</i>: 106235. <a href=\"https://dx.doi.org/10.1016/j.aquatox.2022.106235\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquatox.2022.106235</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Pyl, M.; Taylor, A.; Oberhänsli, F.; Swarzenski, P.; Hussamy, L.; Besson, M.; Danis, B.; Metian, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Pyl, M. <i>et al.</i>","Englishabstract":"The fate and toxicity of ingested marine microplastics (MPs) have been of major concern in aquatic ecotoxicology for the last decade. Although their ingestion by a wide range of marine organisms has been proven, the uptake of MPs within organs is not yet fully understood and relies on the ability of ingested microplastics to transfer from the gut to tissues beyond the digestive wall (i.e., translocation). The present study investigates the <i>in vitro</i> transfer of fluorescent high-density polyethylene particles of different sizes classes (1–5 µm; 10–29 µm; 38–45 µm) across the intestinal wall of the sea urchin <i>Paracentrotus lividus</i> using Ussing chambers. Small microplastics (1–5 µm) were proven to be able to cross the intestinal wall of <i>P. lividus</i> and reach the coelomic fluid, while larger microplastics (≥ 10 µm) were not observed to cross the intestinal wall. Results demonstrate a size-dependent passage of polyethylene microparticles across the intestinal walls of <i>P. lividus</i> for the first time, highlighting the suitability of Ussing chamber systems to study the transfer of MPs across the intestinal wall of animals.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Size-dependent transfer of microplastics across the intestinal wall of the echinoid <i>Paracentrotus lividus</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-19 01:32:19.268055","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Ussing chamber; Polyethylene; MP; Translocation; Ingestion; Methodology","OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2023-03-06","DateCreate":"2023-03-06","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000862808100003","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.aquatox.2022.106235"},"refs":null,"anarec":{"AnaID":361754,"PubliDate":2022,"Pagination":"106235","XtraPublOfAnaID":null,"ISBN":null,"Volume":"250","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42203,"SerRR":"Aquatic Toxicology. 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