{"refrec":{"BRefID":363965,"RR":"<b>Zheng, X.; Zhang, L.; Jiang, C.; Li, J.; Li, Y.; Liu, X.; Li, C.; Wang, Z.; Zheng, N.; Fan, Z.</b> (2023). Acute effects of three surface-modified nanoplastics against <i>Microcystis aeruginosa</i>: growth, microcystin production, and mechanisms. <i>Sci. Total Environ. 855</i>: 158906. <a href=\"https://dx.doi.org/10.1016/j.scitotenv.2022.158906\" target=\"_blank\">https://dx.doi.org/10.1016/j.scitotenv.2022.158906</a>","BEntID":361685,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Sci. Total Environ. 855</i>: 158906. <a href=\"https://dx.doi.org/10.1016/j.scitotenv.2022.158906\" target=\"_blank\">https://dx.doi.org/10.1016/j.scitotenv.2022.158906</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Zheng, X.; Zhang, L.; Jiang, C.; Li, J.; Li, Y.; Liu, X.; Li, C.; Wang, Z.; Zheng, N.; Fan, Z.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Zheng, X. <i>et al.</i>","Englishabstract":"As plastic pollution continues to increase and plastic waste is shredded to form smaller plastic particles, there is growing concern about the potential impact of nanoplastics (NPs) on freshwater ecosystems. In this work, the effects of three surface-modified NPs, including polystyrene (PS), PS-NH2, and PS-COOH, on the growth, photosynthetic activity, oxidative damage, and microcystins (MCs) production/release of <i>Microcystis aeruginosa (M. aeruginosa)</i> were investigated. Results indicated that all three NPs significantly inhibited the growth of <i>M. aeruginosa</i> after a 96 h exposure, and the growth inhibition followed the order of PS-NH2 > PS > PS-COOH (p < 0.05). Meanwhile, all three NPs at the concentration of 100 mg/L significantly increased the content of intra-MCs (115 %, 147 %, and 121 % higher than the control, respectively) and extra-MCs (142 %, 175 %, and 151 % higher than the control, respectively) after a 96 h exposure (p < 0.05). Moreover, our findings also suggested that the potential mechanisms of surface-modified PS NPs on <i>M. aeruginosa</i> growth and MCs production/release were associated with physical constraints, photosynthetic activity obstruct, and oxidative damage. Our findings provided direct evidence for different kinds of surface modifications of PS NPs on freshwater algae and improve the understanding of the potential risk of NPs in aquatic ecosystems.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Acute effects of three surface-modified nanoplastics against <i>Microcystis aeruginosa</i>: growth, microcystin production, and mechanisms","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-25 01:33:36.554213","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Nanoplastics; Surface-modified polystyrene; Microcystins; Photosynthetic activity; Oxidative stress","OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2023-05-04","DateCreate":"2023-05-04","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000869631100002","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.scitotenv.2022.158906"},"refs":null,"anarec":{"AnaID":363965,"PubliDate":2023,"Pagination":"158906","XtraPublOfAnaID":null,"ISBN":null,"Volume":"855","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43780,"SerRR":"Science of the Total Environment. 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