AI Article Synopsis
- Copper oxide nanomaterials (CuONMs) impact growth and juvenile development in Enchytraeus crypticus, while copper chloride (CuCl) primarily affects embryo development and adult survival.
- The study compared the standard enchytraeid reproduction test (ERT) with a full life cycle test (FLCt), finding that the FLCt is more effective in distinguishing effects on different life stages and identifying underlying mechanisms.
- The FLCt demonstrated greater sensitivity to reproductive effects of CuONMs, indicating a preference for using this method over the ERT for assessing the hazards of nanomaterials.
Article Abstract
Copper oxide nanomaterials (CuONMs) have various applications in industry and enter the terrestrial environment, e.g. via sewage sludge. The effects of CuONMs and copper chloride (CuCl) were studied comparing the standard enchytraeid reproduction test (ERT) and the full life cycle test (FLCt) with Enchytraeus crypticus. CuONMs mainly affected growth or juveniles' development, whereas CuCl mainly affected embryo development and/or hatching success and adults survival. Compared to the ERT, the FLCt allowed discrimination of effects between life stages and provided indication of the underlying mechanisms; further, the FLCt showed increased sensitivity, e.g. reproductive effects for CuONMs: EC = 8 mg Cu/kg and EC = 421 mg Cu/kg for the FLCt and the ERT respectively. The performance of the FLCt is preferred to the ERT and we recommend it as a good alternative to assess hazard of NMs. Effects of CuONMs and CuCl are life stage dependent and are different between Cu forms.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.envpol.2017.01.067 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Full life cycle test with Eisenia fetida - copper oxide NM toxicity assessment.
Ecotoxicol Environ Saf
August 2022
Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
Copper oxide nanomaterials (CuONM) are widely used, e.g. as antimicrobial coatings, wood preservatives,fertilizers, etc.
View Article and Find Full Text PDFMultigenerational effects of copper nanomaterials (CuONMs) are different of those of CuCl: exposure in the soil invertebrate Enchytraeus crypticus.
Sci Rep
August 2017
Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
Nanomaterials (NMs) are recommended to be tested in longer term exposures. Multigenerational (MG) studies are scarce and particularly important because effects can be transferred to the next generation. The current risk assessment framework does not include MG effects and this is a caveat for persistent materials.
View Article and Find Full Text PDFEffects of copper oxide nanomaterials (CuONMs) are life stage dependent - full life cycle in Enchytraeus crypticus.
Environ Pollut
May 2017
Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
Article Synopsis
- Copper oxide nanomaterials (CuONMs) impact growth and juvenile development in Enchytraeus crypticus, while copper chloride (CuCl) primarily affects embryo development and adult survival.
- The study compared the standard enchytraeid reproduction test (ERT) with a full life cycle test (FLCt), finding that the FLCt is more effective in distinguishing effects on different life stages and identifying underlying mechanisms.
- The FLCt demonstrated greater sensitivity to reproductive effects of CuONMs, indicating a preference for using this method over the ERT for assessing the hazards of nanomaterials.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!