{"refrec":{"BRefID":334809,"RR":"<b>Niu, Z.; Vandegehuchte, M.B.; Catarino, A.I.; Everaert, G.</b> (2021). Environmentally relevant concentrations and sizes of microplastic do not impede marine diatom growth. <i>J. Hazard. Mater. 409</i>: 124460. <a href=\"https://dx.doi.org/10.1016/j.jhazmat.2020.124460\" target=\"_blank\">https://dx.doi.org/10.1016/j.jhazmat.2020.124460</a>","BEntID":331366,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Hazard. Mater. 409</i>: 124460. <a href=\"https://dx.doi.org/10.1016/j.jhazmat.2020.124460\" target=\"_blank\">https://dx.doi.org/10.1016/j.jhazmat.2020.124460</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Niu, Z.; Vandegehuchte, M.B.; Catarino, A.I.; Everaert, G.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Niu, Z. <i>et al.</i>","Englishabstract":"The current knowledge about the ecological effects of microplastic (MP) remains limited, and to-date ecotoxicity tests often utilize standard microplastic with one or two distinct size classes and expose the organisms to unrealistically high MP concentrations. We exposed the marine diatom <i>Phaeodactylum tricornutum</i> to microplastic particles of a mimicked realistic size frequency distribution complemented with serial experiments with distinct size classes. To do so, we exposed this diatom to a concentration series of different sized polyethylene (PE) microbeads (sizes: 10–106&nbsp;µm; 1.25&nbsp;×10<sup>2</sup>–1.25&nbsp;×10<sup>7</sup> particles/L) in a 72-h growth inhibition test. No effect on the growth of <i>P. tricornutum</i> by virgin PE microbeads up to 1.25&nbsp;×&nbsp;10<sup>7</sup> particles/L (or 499&nbsp;mg/L), indicating environmentally relevant concentrations and sizes of MP does not alter the growth of marine diatoms. Results of smaller sized MPs (10–20&nbsp;µm) did not differ from those obtained with larger MPs (90–106&nbsp;µm) and mix sized MPs (10–106&nbsp;µm), i.e. no impact on the microalgae growth. As a pioneer work, our results contribute with high quality dose-response data to an improved risk assessment of microplastic under realistic present and future marine MP pollution.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Environmentally relevant concentrations and sizes of microplastic do not impede marine diatom growth","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-19 01:32:09.814092","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Microplastic; Growth inhibition; Marine diatom; Environmentally relevant; Size-effect","OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2024-08-05","DateCreate":"2021-03-12","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000621670700001","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.jhazmat.2020.124460"},"refs":null,"anarec":{"AnaID":334809,"PubliDate":2021,"Pagination":"124460","XtraPublOfAnaID":null,"ISBN":null,"Volume":"409","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43064,"SerRR":"Journal of hazardous materials. 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