Probing the immune responses to nanoparticles across environmental species. A perspective of the EU Horizon 2020 project PANDORA
Here we discuss the potential of engineered nanoparticles to act as agents affecting the immune status in different environmentally relevant species, with a focus on the emerging experimental models launched by the EU Horizon 2020 project PANDORA.
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.
Environmental and health risks of nanorobots: an early review
Nanorobots for biomedical applications have experienced extensive research and rapid development during the last decade, up to a point where they can now deliver cargos to designated sites in organisms under laboratory conditions.
Strategies for determining heteroaggregation attachment efficiencies of engineered nanoparticles in aquatic environments
Heteroaggregation of engineered nanoparticles with suspended particulate matter in theory and practice: a roadmap for understanding and determining attachment efficiencies.
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.
The gut barrier and the fate of engineered nanomaterials: a view from comparative physiology
Despite the diverse structures and functions of the gut barrier in the animal kingdom, some common features of gut lumen chemistry control the behaviour of engineered nanomaterials, and with some potentially novel uptake pathways in invertebrates.
The rise of the nanomaterial metabolite corona, and emergence of the complete corona
Metabolites present in the corona may play a key role in biological recognition of nanomaterials yet remain a much-overlooked aspect of the corona.
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.
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.
Ecotoxicological impact of graphene oxide: toxic effects on the model organism Artemia franciscana
The environmental impact of graphene oxide was evaluated on the model organism Artemia franciscana for ecotoxicological studies considering different biological parameters.
Subtoxic dose of lithium cobalt oxide nanosheets impacts critical molecular pathways in trout gill epithelial cells
Global transcriptomics uncovered key molecular processes impacted by subtoxic dose of lithium cobalt oxide nanoparticles, indicating cellular attempts to restore energy and oxygen balance.
Organic matter influences transformation products of ferrihydrite exposed to sulfide
In the presence of sulfide, organic matter influences iron mineral transformation pathways and kinetics.
Effects of natural organic matter (NOM), metal-to-sulfide ratio and Mn2+ on cadmium sulfide nanoparticle growth and colloidal stability
Growth of naturally occurring CdS nanoparticles is constrained by natural organic matter (NOM), which also limits the reduction of CdS colloidal stability by Mn2+ and prevents incorporation of Mn into the CdS crystal lattice.
Mechanistic insights into toxicity pathways induced by nanomaterials in Daphnia magna from analysis of the composition of the acquired protein corona
Secreted corona composition of Ag and TiO2 NMs, evaluated after 7 days of continuous exposure to daphnids, provides important insights into the biological pathways perturbed by the NMs.
Environmental context determines the impact of titanium oxide and silver nanoparticles on the functioning of intertidal microalgal biofilms
TiO2-NPs reduce the growth of coastal microalgae in environmentally relevant conditions, and alter sediment biostabilisation, primary production and nutrient recycling. These effects vary between environmental contexts (seasons).
Alleviation of nitrogen stress in rice (Oryza sativa) by ceria nanoparticles
This study explored the potential of ceria nanoparticles (CeO2 NPs) to alleviate stress in hydroponic rice caused by low N (LN) and high N (HN) stresses.
Comparative biokinetics of pristine and sulfidized Ag nanoparticles in two arthropod species exposed to different field soils
Ag bioaccumulation upon exposure to pristine Ag NPs is of bigger concern in acidic sandy soils, but not in case of the environmentally relevant sulfidized Ag NPs, which do not bioaccumulate in P. scaber or F. candida.
Polystyrene nanoplastics accumulate in ZFL cell lysosomes and in zebrafish larvae after acute exposure, inducing a synergistic immune response in vitro without affecting larval survival in vivo
Polystyrene nanoplastics are internalized in zebrafish liver cells, accumulating in lysosomes, and in zebrafish larvae but do not affect the larval suvival to a lethal infection.
Trophic transfer of CuO NPs from sediment to worms (Tubifex tubifex) to fish (Gasterosteus aculeatus): a comparative study of dissolved Cu and NPs enriched with a stable isotope tracer (65Cu)
This study used stable isotope-labeled copper oxide nanoparticles (65CuO NPs) to determine their trophic transfer potential from sediment to worms to fish at environmentally realistic exposure doses and compared to dissolved Cu (65CuCl2).
Chemical and structural characterization of SeIV biotransformations by Stenotrophomonas bentonitica into Se0 nanostructures and volatiles Se species
Microorganisms such as Stenotrophomonas bentonitica could influence the safety of the deep geological repository system by producing nanoparticles and volatile compounds of selenium.
Biological effects of allergen–nanoparticle conjugates: uptake and immune effects determined on hAELVi cells under submerged vs. air–liquid interface conditions
An allergen–nanoparticle interaction study was performed using hAELVi cells grown under submerged vs. air–liquid interface culture conditions. Choice of cellular models showed impact on the investigation of uptake kinetics and inflammatory responses.
The longer the worse: a combined proteomic and targeted study of the long-term versus short-term effects of silver nanoparticles on macrophages
At equal cumulated dose, a chronic exposure to silver nanoparticles produces more effects on macrophages than an acute exposure.
Fragmentation of polymer nanocomposites: modulation by dry and wet weathering, fractionation, and nanomaterial filler
Weathering and fragmentation of polymer nanocomposites.
Development and application of a ratiometric nanosensor for measuring pH inside the gastrointestinal tract of zooplankton
The pH in the anterior gut of Daphnia magna is more than 2 pH units lower than the cultural medium.
Nuclear translocation of silver ions and hepatocyte nuclear receptor impairment upon exposure to silver nanoparticles
Upon exposure to non-toxic concentration of silver nanoparticles, only the ionic form of silver is found in the nucleus leading to an endocrine disruptor-like effect.
Controlled protein mediated aggregation of polystyrene nanoplastics does not reduce toxicity towards Daphnia magna
Aggregated small nanoplastics are still toxic whereas solid nanoplastics with the same size as the aggregates are not.
Interaction of silver nanoparticles with antioxidant enzymes
This paper revealed that the changes in the protein conformation and the dissolution of silver nanoparticles depended on the protein structure and could result in different degrees of enzymatic activity modulation.
Hierarchically porous electrospun nanofibrous mats produced from intrinsically microporous fluorinated polyimide for the removal of oils and non-polar solvents
An electrospun nanofibrous adsorbent with micro-, meso- and macropores and surface area of 565 m2 g−1 was developed for the rapid removal of crude oil from seawater.
Effect of NOM on copper sulfide nanoparticle growth, stability, and oxidative dissolution
Natural organic matter (NOM) impedes the growth of colloidally stable CuxS nanoparticles and slows down their morphological development, but also drives their oxidative dissolution.
Exposure medium and particle ageing moderate the toxicological effects of nanomaterials to Daphnia magna over multiple generations: a case for standard test review?
Pristine engineered nanomaterials (NMs) entering the aquatic environment become ‘aged’ during their lifetime via chemical, physical and/or biological process.
Testing the bioaccumulation of manufactured nanomaterials in the freshwater bivalve Corbicula fluminea using a new test method
The elucidation of bioavailability, uptake and elimination as well as accumulation of the test items was possible on the level of total and particle concentrations for the whole soft body as well as the single tissue compartments.
Smectite clay pillared with copper complexed polyhedral oligosilsesquioxane for adsorption of chloridazon and its metabolites
Copper complexed polyhedral oligomeric silsesquioxane pillared smectite clay (Cu2+@POSS_SWy-2) exhibits excellent adsorption properties for chloridazon and its metabolites.
Preferential interactions of primary amine-terminated quantum dots with membrane domain boundaries and lipid rafts revealed with nanometer resolution
Primary amine-terminated Qdots preferentially interact with liquid-ordered domain boundaries in bilayers and with lipid rafts in intact cells.
Assessment of Cu and CuO nanoparticle ecological responses using laboratory small-scale microcosms
An efficient and rapid testing paradigm to evaluate the biological uptake, distribution, and ecological risks of Cu based NPs.
Reactivity of graphene oxide with reactive oxygen species (hydroxyl radical, singlet oxygen, and superoxide anion)
Increases in the production and applications of graphene oxide (GO), coupled with reports of its toxic effects, are raising concerns about its health and ecological risks.
Development of a suitable detection method for silver nanoparticles in fish tissue using single particle ICP-MS
A strong alkali extraction technique and suitable single particle ICP-MS method is described for the routine quantifying of particle number concentration, particle size and particle mass concentration for silver nanomaterials in fish tissue.
Single-particle ICP-TOFMS with online microdroplet calibration for the simultaneous quantification of diverse nanoparticles in complex matrices
Online microdroplet calibration is used to determine the mass and particle number concentration of inorganic nanoparticles (NPs) without the use of NP standards. This approach can be applied directly to quantify NPs in environmental matrices.
Understanding the antifouling mechanisms related to copper oxide and zinc oxide nanoparticles in anaerobic membrane bioreactors
CuO and ZnO nanoparticles offer a low-cost, safe and effective way to mitigate membrane biofouling without disseminating resistance genes.
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.
About this collection
Please see below for recent Open Access papers published in Environmental Science: Nano.