Physical and chemical effects of conventional microplastic glitter versus alternative glitter particles on a freshwater plant (Lemnaceae: Lemna minor )
Ecotoxicology and Environmental Safety, ISSN: 0147-6513, Vol: 263, Page: 115291
2023
- 4Citations
- 39Usage
- 29Captures
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Metrics Details
- Citations4
- Citation Indexes4
- CrossRef2
- Usage39
- Downloads25
- Abstract Views14
- Captures29
- Readers29
- 29
Article Description
Glitters are primary microplastics which are directly littered into the environment, yet the ecological effects have seldom been tested. When microplastics enter the environment, their physical presence and chemical leachate may alter the physiology of primary producers. Glitter can be composed of plastic or natural and/or biodegradable materials, often with additives. Three experiments were run for 14 days to separate chemical and physical effects of different types of glitter: polyethylene terephthalate (PET), biodegradable modified regenerated cellulose (MRC), synthetic mica, and a natural particle control (kaolinite) on several physical characteristics of Lemna minor (common duckweed). L. minor was exposed to either fresh (chemical and physical effects), leachate from glitter (chemical) or aged glitter (physical). Overall, there was little effect of PET, synthetic mica, kaolinite or of any aged glitter. High concentrations of fresh MRC glitters, however, decreased root length, biomass and chlorophyll content of L. minor. Some of these effects were also present when exposed to leachate from MRC glitters, but were less pronounced. Elemental analysis revealed the presence of metals in MRC glitters which may explain these responses. Short-term ecotoxicity of biodegradable glitters can arise due to their physical and chemical properties, but may lessen over time as their surface coating degrades.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0147651323007959; http://dx.doi.org/10.1016/j.ecoenv.2023.115291; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85165568162&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/37494737; https://linkinghub.elsevier.com/retrieve/pii/S0147651323007959; https://pearl.plymouth.ac.uk/more-fose-research/135; https://pearl.plymouth.ac.uk/cgi/viewcontent.cgi?article=1134&context=more-fose-research; https://dx.doi.org/10.1016/j.ecoenv.2023.115291
Elsevier BV
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