期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 15, 期 9, 页码 -出版社
SPRINGER
DOI: 10.1007/s11051-013-1896-7
关键词
Silver; Nanoparticle; Soil-plant systems; Phytotoxicity; Tolerance
资金
- Portuguese Foundation for Science and Technology (FCT)
- Aveiro University Research Institute/Centre for Environmental and Marine Studies (CESAM)
- CSIR
- UGC, Govt. of India, New Delhi
Silver nanoparticles (AgNPs) have broad spectrum antimicrobial/biocidal properties against all classes of microorganisms and possess numerous distinctive physico-chemical properties compared to bulk Ag. Hence, AgNPs are among the most widely used engineered NPs in a wide range of consumer products and are expected to enter natural ecosystems including soil via diverse pathways. However, despite: (i) soil has been considered as a critical pathway for NPs environmental fate, (ii) plants (essential base component of all ecosystems) have been strongly recommended to be included for the development of a comprehensive toxicity profile for rapidly mounting NPs in varied environmental compartments, and (iii) the occurrence of an intricate relationship between soil-plant systems where any change in soil chemical/biological properties is bound to have impact on plant system, the knowledge about AgNPs in soils and investigations on AgNPs-plants interaction is still rare and in its rudimentary stage. To this end, the current paper: (a) overviews sources, status, fate, and chemistry of AgNPs in soils, AgNPs-impact on soil biota, (b) critically discusses terrestrial plant responses to AgNPs exposure, and (c) illustrates the knowledge-gaps in the current perspective. Based on the available literature critically appraised herein, a multidisciplinary integrated approach is strongly recommended for future research in the current direction aimed at unveiling the rapidly mounting AgNPs-fate, transformation, accumulation, and toxicity potential in soil-plant systems, and their cumulative impact on environmental and human health.
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