期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 723, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.138146
关键词
Microplastics; Microalgae; Interaction; Chlorella
资金
- National Key Research and Development Program of China [2017YFE0127200]
- National Natural Science Foundation of China [21878228, 31701526]
- Tianjin Science and Technology Program Project [19YFHBQY00020]
- Young Elite Scientists Sponsorship Program by Tianjin City [TJSQNTJ2017-03]
- International Cooperation Research Centre of Carbon Capture in Ultralow Energy-consumption (Tianjin)
Microplastics have recently been identified as an important emerging global problem which affects marine organisms and even humans. As a green and cost-effective environmental purification alternative, microalgae have attracted more and more attention. In this work, the interaction between microplastics (PP, PE, PET and PVC) and microalgae (Chlorella sp. L38 and Phaeodactylum tricornutum MASCC-0025) has been investigated. In addition, SEM and TEM characterization were also carried out to observe interactions between microplastics and microalgae. Experimental results indicated that there was an obvious inhibition effect of microplastics on Phaeodactylum tricornutum MASCC-0025 growth with inhibition ratio up to 21.1%. By contrast, Chlorella sp. L38 presented strong adaptive capacity to microplastics. The key active enzymes concentration variation and characterization (SEM and TEM) images also verified the toxic effect of tested microplastics on Chlorella sp. L38 and Phaeodactylum tricornutum MASCC-0025. The toxic effect might be explained by the possible leaching of additives of four tested microplastics. It could also be observed that microalgae have a potential to be used as an alternative bio-solution for microplastics treatment. (C) 2020 Elsevier B.V. All rights reserved.
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