Emerging investigator series: the dynamics of particle size distributions need to be accounted for in bioavailability modelling of nanoparticles
We propose to include the time-dependent size distribution of dispersed and internalized nanoparticles (NPs) in the ecotoxicological evaluation of exposure of biota to NPs and to develop tools to add the particle dynamics in the bioavailability modelling of NPs.
Proposal for a tiered dietary bioaccumulation testing strategy for engineered nanomaterials using fish
The scientific community has invested effort into standardising methodologies for the regulatory ecotoxicity testing of engineered nanomaterials (ENMs), but the practical requirements for bioaccumulation testing of ENMs have been given less attention.
Emerging investigator series: the rise of nano-enabled photothermal materials for water evaporation and clean water production by sunlight
This frontier reviews impressive progresses of nano-enabled solar-driven water evaporation and clean water production made in the past 4 years.
Metal–organic framework-based nanomaterials for adsorption and photocatalytic degradation of gaseous pollutants: recent progress and challenges
Design and engineering of metal–organic frameworks for the adsorption/degradation of inorganic toxic gases, organic vapors and particulate matter.
Tools and rules for modelling uptake and bioaccumulation of nanomaterials in invertebrate organisms
Quantification of the uptake and elimination of nanomaterials (NMs) by organisms is key in assessing the environmental risks of NMs.
Environmental transformation of natural and engineered carbon nanoparticles and implications for the fate of organic contaminants
Environmental transformations of natural and engineered carbon nanoparticles significantly affect their fate, transport, and interactions with organic contaminants.
Toward computational and experimental characterisation for risk assessment of metal oxide nanoparticles
In silico methods provide an alternative and reliable route for the toxicity evaluation of metal oxide nanoparticles.
Challenges in characterizing the environmental fate and effects of carbon nanotubes and inorganic nanomaterials in aquatic systems
Characterization of carbon nanotube dispersions requires measurement of both, concentration and surface area.
Plant species-dependent transformation and translocation of ceria nanoparticles
Different plant species respond differently to nCeO2 under different culturing conditions: for some, deficiency of P enhances the accumulation of Ce (mainly Ce3+) and phytotoxicity.
Machine learning provides predictive analysis into silver nanoparticle protein corona formation from physicochemical properties
Proteins encountered in biological and environmental systems bind to engineered nanomaterials (ENMs) to form a protein corona (PC) that alters the surface chemistry, reactivity, and fate of the ENMs.
How reversible are the effects of silver nanoparticles on macrophages? A proteomic-instructed view
Silver nanoparticles are known to have profounds effects on living cells, but little is known on how and to which extent cells recover after an acute exposure to silver nanoparticles. This is studied on macrophages in this work.
Do graphene oxide nanostructured coatings mitigate bacterial adhesion?
Graphene oxide (GO) is a biocidal nanomaterial, but is it also anti-adhesive? Here we show that GO-based coatings exhibiting low bacterial adhesion properties can be formed by edge-tethering GO nanosheets to hydrophilic polymer brushes.
Engineered nanomaterials in the context of global element cycles
This article provides a bird's-eye-view of the status and scale of commercialized and nascent nanotechnologies in the context of global element cycles to prioritize and guide relevant environmental health research.
Prospective environmental risk assessment of nanocellulose for Europe
Quantitative environmental risk assessment of nanocellulose, using a dynamic and probabilistic modelling approach. Results show low risk, contributing towards the safe development of this material.
Dietary exposure to silver nitrate compared to two forms of silver nanoparticles in rainbow trout: bioaccumulation potential with minimal physiological effects
Overall, fish showed more Ag accumulation from AgNO3 and Ag NP exposures compared to the Ag2S NP treatment.
The food additive E171 and titanium dioxide nanoparticles indirectly alter the homeostasis of human intestinal epithelial cells in vitro
Repeated exposure to E171 or TiO2-NPs, in vitro, induce moderate inflammation and mucus secretion in intestinal cells.
Surface-controlled dissolution rates: a case study of nanoceria in carboxylic acid solutions
Nanoparticle dissolution in local milieu can affect its ecotoxicity and therapeutic applications.
Impact of freeze–thaw weathering on integrity, internal structure and particle release from micro- and nanostructured cement composites
Micro- and nanomaterials can i) reduce cement consumption in concrete, ii) improve durability of cement-based constructions and iii) modulate particle release.
Protein corona formed on silver nanoparticles in blood plasma is highly selective and resistant to physicochemical changes of the solution
Highlighted are the protein properties determining protein binding to the silver nanoparticle surface.
Trophic transfer of CuO NPs and dissolved Cu from sediment to worms to fish – a proof-of-concept study
Schematic presentation of the conceptual approach used to study trophic transfer of CuO NPs and dissolved Cu (CuCl2) from sediment to worms (T. tubifex), and from worms (T. tubifex) to fish (three-spined stickleback).
An assessment of the dietary bioavailability of silver nanomaterials in rainbow trout using an ex vivo gut sac technique
The uptake of engineered nanomaterials (ENMs) by the gut of fishes is poorly understood.
A toxicology-informed, safer by design approach for the fabrication of transparent electrodes based on silver nanowires
A safer by design approach is demonstrated for the synthesis and integration of silver nanowires into commercial devices.
Residence times of nanoconfined CO2 in layered aluminosilicates
Nanoconfinement of CO2 in layered aluminosilicates contributes to the capture and release of this greenhouse gas in soils.
Searching for relevant criteria to distinguish natural vs. anthropogenic TiO2 nanoparticles in soils
The morphology of TiO2 particles and their status within soil aggregates may provide insights on their origin.
Green synthesis and biotransformation of amorphous Se nanospheres to trigonal 1D Se nanostructures: impact on Se mobility within the concept of radioactive waste disposal
A green method for the synthesis of one-dimensional (1D) trigonal selenium (t-Se) nanostructures is presented.
Aggregation and sedimentation of shattered graphene oxide nanoparticles in dynamic environments: a solid-body rotational approach
Nanoparticle (NP) aggregation is typically investigated in either quiescent or turbulent mixing conditions; neither is fully representative of dynamic natural environments.
Expert perspectives on potential environmental risks from nanomedicines and adequacy of the current guideline on environmental risk assessment
Interviews conducted with 66 experts to gather their perspectives on environmental risks from nanomedicines and their responses analysed using qualitative content analysis.
Mitigating effect of organic matter on the in vivo toxicity of metal oxide nanoparticles in the marine environment
We investigate the effectiveness of two promising paradigms (i.e. dissolution and bandgap) to predict the toxicity of metal oxide nanoparticles (NPs) in vivo and under seawater conditions.
Uptake and impacts of polyvinylpyrrolidone (PVP) capped metal oxide nanoparticles on Daphnia magna: role of core composition and acquired corona
A key hypothesis in nanosafety assessment is that the NP core chemistry and eco-corona are primary factors controlling toxicity.
Graphene oxide impairs the pollen performance of Nicotiana tabacum and Corylus avellana suggesting potential negative effects on the sexual reproduction of seed plants
The acidic properties of GO impair pollen performances of tobacco and hazel plants.
Thermal transformations of manufactured nanomaterials as a proposed proxy for ageing
Investigation of changes in manufactured nanomaterial properties (i.e. redox, capping efficiency, aggregation, dissolution) with temperature as a proxy for time.
Different effects of nano-scale and micro-scale zero-valent iron particles on planktonic microorganisms from natural reservoir water
This study compares the effect of nanoscale and microscale zerovalent iron on natural freshwater microplankton over 21 days.
Environmental fate of nanopesticides: durability, sorption and photodegradation of nanoformulated clothianidin
A lot of research efforts are currently dedicated to the development of nano-enabled agrochemicals. It is thus urgent to develop suitable strategies for their ecological assessment.
Crystal growth and aggregation in suspensions of δ-MnO2 nanoparticles: implications for surface reactivity
Sodium content and suspension pH control crystallite size and aggregation in δ-MnO2 nanoparticles.
Emission and fate modelling framework for engineered nanoparticles in urban aquatic systems at high spatial and temporal resolution
The combination of emission and fate modelling improves the exposure assessment of engineered nanoparticles in complex urban systems.
Cerium(IV) oxide nanoparticles induce sublethal changes in honeybees after chronic exposure
Oral exposure to up to 500 mg L−1 nCeO2 was sublethal for honeybees but altered the cholinergic system and induced other physiological responses.
Quantitative evaluation and in vivo visualization of mercury ion bioaccumulation in rotifers by novel aggregation-induced emission fluorogen nanoparticles
In this study, a specifically-designed AIEgen was used to quantitatively evaluate the bioaccumulation of Hg2+ and visualize Hg2+ kinetics in vivo within the rotifer for the first time.
Ecotoxicological assessment of nanoparticle-containing acrylic copolymer dispersions in fairy shrimp and zebrafish embryos
Nanoparticle-containing acrylic polymer dispersions showed virtually no acute aquatic toxicity in fairy shrimp and zebrafish embryos.
Reverse Trojan-horse effect decreased wastewater toxicity in the presence of inorganic nanoparticles
The toxicity interaction of wastewater with inorganic nanoparticles led to antagonistic mixtures due to the adsorption of micropollutants.
Metal uptake and distribution in the zebrafish (Danio rerio) embryo: differences between nanoparticles and metal ions
Quantitative data on nanoparticle and cation uptake are compared in a compartment-specific way and distinct differences between metals were identified.
Addressing a bottle neck for regulation of nanomaterials: quantitative read-across (Nano-QRA) algorithm for cases when only limited data is available
The development of in silico methods that support human health and environmental risk assessment of engineered nanomaterials is nowadays of high interest, because the application of those methods enables to fill the existing experimental data gaps.
Nanostructured ZnFeZr oxyhydroxide precipitate as efficient phosphate adsorber in waste water: understanding the role of different material-building-blocks
We present investigations on the working principle of a new adsorber for the recycling of phosphate from waste water.
About this collection
Please see below for recent Open Access papers published in Environmental Science: Nano.