Single and combined toxicity assessment of primary or UV-aged microplastics and adsorbed organic pollutants on microalga Chlorella pyrenoidosa
文献类型：期刊论文
| 作者 | Song, Wei1; Fu, Caixia5; Fang, Yuning1; Wang, Zhuoyue3; Li, Ji3; Zhang, Xiaolei3; Bhatt, Kalpana4; Liu, Lu3; Wang, Ningjie3; Liu, Fang2 |
| 刊名 | ENVIRONMENTAL POLLUTION
 |
| 出版日期 | 2023-02-01 |
| 卷号 | 318页码:9 |
| 关键词 | UV-aged microplastic Chlorella pyrenoidosa Organic pollutants Combined toxicity |
| ISSN号 | 0269-7491 |
| DOI | 10.1016/j.envpol.2022.120925 |
| 通讯作者 | Zhang, Xiaolei(xiaolei.zhang2016@foxmail.com) |
| 英文摘要 | Microplastics (MPs), an emerging pollutant, have been increasingly raising concern due to the potential impacts on aquatic organisms. Moreover, the environmental aged MPs always exhibit different environmental behavior and interaction effect with organic pollutants from virgin MPs. In this work, the single and combined toxicity impact on Chlorella pyrenoidosa, a symbiont representative, has been investigated between MPs (e.g., polyamide microplastic (PA6), 75 mu m) and organic pollutants (e.g., sulfamethoxazole (SMX) and dicamba (DCB)). Growth inhibition, chlorophyll accumulation, superoxide dismutase (SOD), malondialdehyde (MDA), and catalase (CAT) were investigated with the primary or UV-aged PA6. Above 0.5 g/L PA6 (primary or UV-aged) inhibited cell growth and chlorophyll accumulation after 96 h cultivation as compared with the control. Besides, the inhibition impacts have enhanced as the UV-aging time extending in the single PA6 systems. The algae growth inhibition rate after 96 h cultivation in both the system i.e., single (PA6: 6.9%) and combined (PA6-SMX: 14.2%, PA6-DCB: 14.9%) was slightly lower than that of exposing in organic pollutants alone (SMX: 23.9%, DCB: 25.0%), while the chl. b concentration in 60 days UV-aged PA6 combined with SMX (1.19 mg/L) or DCB (1.40 mg/L) systems were higher than in single SMX (1.04 mg/L) or DCB (1.33 mg/L) system. In addition, there were several differences of the cellular oxidative stress in the combined system of SMX and DCB. Specially, it was not noticeable of three enzymatic activities for SMX exposing in the presence of primary or UV-aged PA6. While SOD, CAT, and MDA activities was obviously increasing after exposing in PA6 and DCB combined system, indicating the significant synergistic effect on algae cells damage. This research verified the remarkable combined toxicity between UV -aged MPs and organic pollutants on microalgae. |
| WOS关键词 | PLASTIC PARTICLES ; GROWTH |
| 资助项目 | China Postdoctoral Sci- ence Foundation ; National Natural Sci- ence Foundation of China ; Shenzhen Science and Technology Innovation Commission ; [2022M720841] ; [52200088] ; [KCXFZ20201221173602008] ; [JCYJ20200109113006046] ; [KCXFZ202 002011006362] ; [KCXFZ20201221173413036] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000910654900001 |
| 出版者 | ELSEVIER SCI LTD |
| 资助机构 | China Postdoctoral Sci- ence Foundation ; National Natural Sci- ence Foundation of China ; Shenzhen Science and Technology Innovation Commission |
| 源URL | [http://ir.giec.ac.cn/handle/344007/38240]  |
| 专题 | 中国科学院广州能源研究所 |
| 通讯作者 | Zhang, Xiaolei |
| 作者单位 | 1.Guangdong Univ Technol, Sch Civil & Transportat Engn, Guangzhou 510006, Peoples R China 2.Beijing BHT Environm Technol Co Ltd BHT, Beijing 100000, Peoples R China 3.Harbin Inst Technol Shenzhen, Sch Civil & Environm Engn, Shenzhen Key Lab Water Resource Applicat & Environ, Shenzhen 518055, Peoples R China 4.Purdue Univ, Dept Food Sci, W Lafayette, IN USA 5.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China |
| 推荐引用方式 GB/T 7714 | Song, Wei,Fu, Caixia,Fang, Yuning,et al. Single and combined toxicity assessment of primary or UV-aged microplastics and adsorbed organic pollutants on microalga Chlorella pyrenoidosa[J]. ENVIRONMENTAL POLLUTION,2023,318:9. |
| APA | Song, Wei.,Fu, Caixia.,Fang, Yuning.,Wang, Zhuoyue.,Li, Ji.,...&Zhu, Shunni.(2023).Single and combined toxicity assessment of primary or UV-aged microplastics and adsorbed organic pollutants on microalga Chlorella pyrenoidosa.ENVIRONMENTAL POLLUTION,318,9. |
| MLA | Song, Wei,et al."Single and combined toxicity assessment of primary or UV-aged microplastics and adsorbed organic pollutants on microalga Chlorella pyrenoidosa".ENVIRONMENTAL POLLUTION 318(2023):9. |
入库方式： OAI收割
来源：广州能源研究所
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