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.
Dissolution as a paradigm in regulating nanomaterials
Dissolution is a factor to consider when interpreting human health and ecotoxicological studies.
Emerging investigator series: interactions of engineered nanomaterials with the cell plasma membrane; what have we learned from membrane models?
Various membrane models used to study nanoparticle interactions with the cell plasma membrane.
Algae response to engineered nanoparticles: current understanding, mechanisms and implications
The key algal response mechanisms to cope with NP toxicity and implications for algal bloom control by NPs.
Lifetime eco-nanotoxicology in an adult organism: where and when is the invertebrate C. elegans vulnerable?
This review addresses nanotoxicology in the nematode roundworm Caenorhabditis elegans throughout its entire life span, premature functional aging of the target organs and ecological considerations.
Redox active Zn/ZnO duo generating superoxide (˙O2−) and H2O2 under all conditions for environmental sanitation
Durian-like Zn/ZnO core/shell particles demonstrated excellent bacteria-killing properties and good dye degradation capability under all conditions where the killing power is related to superoxide (˙O2−) and H2O2 radicals.
Identification of toxicity effects of Cu2O materials on C. elegans as a function of environmental ionic composition
C. elegans worms encountering Cu2O particles can either avoid and survive or they can ingest them and experience toxic effects. Phosphate induces particle oxidation and Cu ion precipitation, improving survival even after ingestion.
Plug-and-play safe-by-design production of metal-doped tellurium nanoparticles with safer antimicrobial activities
A plug-and-play continuous flow system was developed for convenient and green production of heterogeneous tellurium nanoparticles with safer antimicrobial activity.
Emerging investigator series: protein adsorption and transformation on catalytic and food-grade TiO2 nanoparticles in the presence of dissolved organic carbon
The adsorption and unfolding behavior of bovine serum albumin onto catalytic- and food-grade titanium dioxide nanoparticles is dependent on the surface chemistry of the nanoparticles and their environmental exposure history.
Progressive stress response of the anaerobic granular sludge to nickel nanoparticles: experimental investigations and mathematic modelling
Long-term exposure to Ni-NPs induced progressive and unrecoverable inhibition of the activity of the AGS.
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.
Mechanistic studies on the antibacterial behavior of Ag nanoparticles decorated with carbon dots having different oxidation degrees
The antibacterial mechanism of CDs@AgNPs is interpreted clearly in the perspective of nano/cell interface interactions.
A study on the dependence of bacteria adhesion on the polymer nanofibre diameter
Analysing the dependence of bacteria adhesion on the diameter of nanofibres to improve cell-to-material adhesion for target applications.
Short-term and long-term toxicological effects of vanadium dioxide nanoparticles on A549 cells
The long-term low-dose cytotoxicity of VO2 nanoparticles is much different from the short-term one.
Involvement of ethylene signaling in zinc oxide nanoparticle-mediated biochemical changes in Arabidopsis thaliana leaves
The growing use of metallic nanoparticles in industry has resulted in their accumulation in agricultural land, which poses a serious threat to the yield and quality of crops worldwide.
Towards more realistic reference microplastics and nanoplastics: preparation of polyethylene micro/nanoparticles with a biosurfactant
New polyethylene micro/nanoparticles with a biosurfactant as model micro/nanoplastics to assess the toxicity of small plastics to aquatic organisms.
Biological impact of nanoscale lithium intercalating complex metal oxides to model bacterium B. subtilis
The wide applications of lithium intercalating complex metal oxides in energy storage devices call for a better understanding of their environmental impact at the end of their life cycle.
Bacillus subtilis causes dissolution of ceria nanoparticles at the nano–bio interface
This work demonstrates for the first time that ceria nanoparticles can dissolve on the bacterial surface as a result of nano–bio interaction.
Long-term effects of CeO2 NPs on the biological phosphorus removal mechanism of DPR-AGS in A/O/A SBRs
The increasing use of cerium dioxide nanoparticles (CeO2 NPs) has raised concerns about their potential environmental toxicity.
Second generation periodic table-based descriptors to encode toxicity of metal oxide nanoparticles to multiple species: QSTR modeling for exploration of toxicity mechanisms
The application of in silico methods in the risk assessment of metal oxide nanoparticles (MNPs) and data gap filling has found profound usability.
Engineered silver nanoparticles in terrestrial environments: a meta-analysis shows that the overall environmental risk is small
The risk of engineered silver nanoparticles to terrestrial plants and fauna (including humans through trophic transfer) is small.
Biologic effects of nanoparticle-allergen conjugates: time-resolved uptake using an in vitro lung epithelial co-culture model of A549 and THP-1 cells
Nanotechnology is a fast growing field and already a multi-billion dollar market with numerous consumer products.
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.
Insights into polythiol-assisted AgNP dissolution induced by bio-relevant molecules
Polythiol molecules dissolve silver nanoparticles with kinetic rates that increase with the number of thiols per molecule and their pre-orientation.
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.
Hydroxyl radical scavenging by cerium oxide nanoparticles improves Arabidopsis salinity tolerance by enhancing leaf mesophyll potassium retention
Nanoceria ROS scavenging is a key tool for understanding and improving plant tolerance to salinity, a stress that severely limits crop yield worldwide.
Reactive oxygen species generation is likely a driver of copper based nanomaterial toxicity
Determining the specific nanomaterial features that elicit adverse biological responses is important to inform risk assessments, develop targeted applications, and rationally design future nanomaterials.
Gram-negative Escherichia coli promotes deposition of polymer-capped silver nanoparticles in saturated porous media
Interaction between the AgNP coating and the cell membrane structure of Gram-negative E. coli reduces both the AgNP–cell affinity and AgNP mobility in porous media, but has little effect on the E. coli mobility. These mechanisms help to protect the bacteria against AgNP.
Reduction pathway-dependent cytotoxicity of reduced graphene oxide
The environmental transformation of graphene oxide (GO) can significantly change its physicochemical properties, thus altering its toxicity.
Ring-shaped corona proteins influence the toxicity of engineered nanoparticles to yeast
Proteins involved in crucial metabolic pathways form the “hard” corona and affect the bioactivity of metal-based engineered nanoparticles.
Identification and characterization of small organic compounds within the corona formed around engineered nanoparticles
The biological identity of nanoparticles depends on the organic compounds bound to the surface; however, compounds other than proteins are largely uninvestigated. This study highlights the presence of unique compound profiles within the corona of the tested nanoparticles.
Nanoparticle-induced structural changes in lung surfactant membranes: an X-ray scattering study
Low concentrations of cationic silica nanoparticles impact lung surfactant membrane structure while anionic nanoparticles have minimal effect.
Differential effects of metal oxide nanoparticles on zebrafish embryos and developing larvae
The differential effects and corresponding toxicity mechanisms of five metal oxide nanoparticles were investigated using zebrafish embryos and developing larvae.
Ageing, dissolution and biogenic formation of nanoparticles: how do these factors affect the uptake kinetics of silver nanoparticles in earthworms?
Discrimination between nano (≥20 nm) and ionic Ag in earthworms exposed to Ag-NPs, Ag2S-NPs and AgNO3 reveals that accumulated silver is mainly present as ions.
Quantifying nanoplastic-bound chemicals accumulated in Daphnia magna with a passive dosing method
The contribution of different uptake pathways of chemicals in D. magna in the presence of nanoplastics was clarified.
Inactivation of pure bacterial biofilms by impaction of aerosolized consumer products containing nanoparticulate metals
Nanotechnology-enabled consumer sprays with Ag may have antibacterial potential, but it is not based solely on nano-silver presence and concentration.
About this collection
This web collection includes research articles published in Environmental Science: Nano featuring nano-bio interactions.