Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Distinct mechanisms in the heteroaggregation of silver nanoparticles with mineral and microbial colloids

Feng Dong, Yan Zhou

Water Research · 2019

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Summary

This 2019 laboratory study by Dong and Zhou investigates the distinct mechanisms governing heteroaggregation of silver nanoparticles with mineral colloids and microbial cells in aqueous environments, as suggested by the title. The work differentiates between aggregation pathways dependent on mineral surface properties versus microbial surface characteristics, contributing to understanding of nanoparticle fate and transport in water and soil systems. The findings are relevant to assessing environmental and soil impacts of silver nanoparticle exposure in agricultural contexts.

UK applicability

The mechanistic understanding of silver nanoparticle behaviour in soil and water systems is relevant to UK environmental regulation and assessment of manufactured nanomaterial persistence in agricultural soils. However, field applicability would require validation under UK soil and water chemistry conditions.

Key measures

Heteroaggregation kinetics, particle size distribution, surface charge interactions, aggregation mechanisms with minerals and microorganisms

Outcomes reported

The study examined mechanisms by which silver nanoparticles heteroaggregate with mineral colloids and microbial cells in aqueous systems. It distinguished between aggregation pathways involving mineral surfaces versus microbial surfaces.

Theme
Measurement & metrics
Subject
Soil biology & microbiology
Study type
Research
Study design
Laboratory / in vitro
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1016/j.watres.2019.115332
Catalogue ID
SNmov5ix44-ih6nxo

Topic tags

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