Monitoring the Environmental Aging of Nanomaterials: An Opportunity for Mesocosm Testing?

Traditional aging protocols typically examine only the effects of a limited number of stresses, and relatively harsh conditions may trigger degradation mechanisms that are not observed in actual situations. Environmental aging is, in essence, the complex interaction of multiple mechanical, physicoch...

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Bibliographic Details
Published inMaterials Vol. 12; no. 15; p. 2447
Main Authors Masion, Armand, Auffan, Mélanie, Rose, Jérôme
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 31.07.2019
MDPI
Subjects
Aging
Cosmetics
Design
Environment and Society
Environmental monitoring
Environmental Sciences
Experiments
Nanomaterials
Parameters
Product design
Risk assessment
Test procedures
nanomaterial
environmental aging
material life-time
mesocosm
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Summary:Traditional aging protocols typically examine only the effects of a limited number of stresses, and relatively harsh conditions may trigger degradation mechanisms that are not observed in actual situations. Environmental aging is, in essence, the complex interaction of multiple mechanical, physicochemical and biological stresses. As yet, there is no (pre)standardized procedure that addresses this issue in a satisfactory manner. Mesocosm experiments can be designed to specifically cover the aging of nanomaterials while characterizing the associated exposure and hazard. The scenario of exposure and the life time of the nanomaterial appear as the predominant factors in the design of the experiment, and appropriate precautions need to be taken. This should the subject of guidance that may be divided into product/application categories.
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma12152447