Toxicity of engineered nanoparticles in the environment

MA Maurer-Jones, IL Gunsolus, CJ Murphy… - Analytical …, 2013 - ACS Publications
While nanoparticles occur naturally in the environment and have been intentionally used for
centuries, the production and use of engineered nanoparticles has seen a recent spike …

Ecotoxicity test methods for engineered nanomaterials: practical experiences and recommendations from the bench

RD Handy, G Cornelis, T Fernandes… - Environmental …, 2012 - Wiley Online Library
Ecotoxicology research is using many methods for engineered nanomaterials (ENMs), but
the collective experience from researchers has not been documented. This paper reports the …

The contribution of zinc ions to the antimicrobial activity of zinc oxide

J Pasquet, Y Chevalier, J Pelletier, E Couval… - Colloids and Surfaces A …, 2014 - Elsevier
Abstract Zinc ions (Zn 2+) exhibit antimicrobial activity against various bacterial and fungal
strains. The partial dissolution of zinc oxide (ZnO) particles releases Zn 2+ ions in aqueous …

Aggregation and dissolution of 4 nm ZnO nanoparticles in aqueous environments: influence of pH, ionic strength, size, and adsorption of humic acid

SW Bian, IA Mudunkotuwa, T Rupasinghe… - Langmuir, 2011 - ACS Publications
Metal oxide nanoparticles are used in a wide range of commercial products, leading to an
increased interest in the behavior of these materials in the aquatic environment. The current …

Aggregation and disaggregation of ZnO nanoparticles: influence of pH and adsorption of Suwannee River humic acid

FM Omar, HA Aziz, S Stoll - Science of the total environment, 2014 - Elsevier
The surface charge and average size of manufactured ZnO nanoparticles (NPs) were
studied as a function of pH to understand the aggregation behavior and importance of the …

Clay particles destabilize engineered nanoparticles in aqueous environments

D Zhou, AI Abdel-Fattah, AA Keller - Environmental science & …, 2012 - ACS Publications
Given the ubiquity of natural clay minerals, the most likely interaction of nanoparticles
released into an aquatic environment will be with suspended clay minerals. Thus, the …

Mechanisms of TiO2 nanoparticle transport in porous media: Role of solution chemistry, nanoparticle concentration, and flowrate

I Chowdhury, Y Hong, RJ Honda, SL Walker - Journal of colloid and …, 2011 - Elsevier
The role of solution chemistry, nanoparticle concentration and hydrodynamic effects in the
transport and deposition of TiO 2 nanoparticles through porous media has been …

Combined Factors Influencing the Aggregation and Deposition of nano-TiO2 in the Presence of Humic Acid and Bacteria

I Chowdhury, DM Cwiertny… - Environmental science & …, 2012 - ACS Publications
This study investigates the contributions of natural organic matter (NOM) and bacteria to the
aggregation and deposition of TiO2 nanoparticles (TNPs) in aquatic environments …

Effects of solution chemistry on the transport of graphene oxide in saturated porous media

JD Lanphere, CJ Luth, SL Walker - Environmental science & …, 2013 - ACS Publications
A transport study was performed in saturated porous media through a packed bed column to
simulate fate of graphene oxide nanoparticles (GONPs) in the subsurface environment …

Effect of nano-silica dispersed at different temperatures on the properties of cement-based materials

H Liu, Q Li, S Ni, L Wang, G Yue, Y Guo - Journal of Building Engineering, 2022 - Elsevier
The influence of nano-silica (NS) on the performance of cement is largely dependent on the
degree of dispersion. This study aims to clarify the influence of NS at different dispersion …