Themed collection Recent Open Access Articles
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.
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.
Bioengineering applications of black phosphorus and their toxicity assessment
An overall structure of this review.
Determination of metallic nanoparticles in biological samples by single particle ICP-MS: a systematic review from sample collection to analysis
A systematic review of the use of single particle ICP-MS to analyse engineered nanomaterials in biological samples has highlighted that efforts have focused on a select few compositions and there is a lack of information for some important tissues.
Insights on toxicity, safe handling and disposal of silica aerogels and amorphous nanoparticles
The toxicity and ecotoxicity effects, handling and disposal of synthetic amorphous silica nanoparticles and aerogels are reviewed and discussed.
Critical overview on the green synthesis of carbon quantum dots and their application for cancer therapy
A critical review which delves into the advantages of the use of carbon quantum dots (CQDs) in nano-based cancer therapy, which includes its more positive environmental impact compared to previous systems.
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.
Emerging investigator series: aramid amphiphile nanoribbons for the remediation of lead from contaminated water
Aramid amphiphiles with chelating head groups spontaneously form robust nanoribbons in water with surfaces capable of heavy metal remediation.
Hazard assessment of ingested polystyrene nanoplastics in Drosophila larvae
Micro- and nanoplastics (MNPLs) are intentionally produced for commercial uses (primary MNPLs) or are formed from environmentally aged plastics (secondary MNPLs).
Gold nanoclusters embedded in antimicrobial keyboard covers: life cycle assessment and environmental sustainability
Life cycle assessment can help quantify the environmental impacts of products embedding nanoparticles. Furthermore, it can support the evaluation of absolute environmental sustainability by employing carrying-capacity normalization factors.
Quantification and classification of engineered, incidental, and natural cerium-containing particles by spICP-TOFMS
Multi-elemental spICP-TOFMS is used to simultaneously classify mixtures of engineered, incidental, and natural Ce-containing nanoparticles based on conserved Ce : La and Ce : Nd ratios in natural Ce particles.
To form or not to form: PuO2 nanoparticles at acidic pH
The combination of advanced spectroscopic and microscopic methods used in this work enables molecular and atomic levels understanding of the Pu(IV) nanoparticles formation under acidic conditions (pH 1–4).
Development of a novel cellulose foam augmented with candle-soot derived carbon nanoparticles for solar-powered desalination of brackish water
Candle soot nanoparticles deposited onto hydrophilic cellulose foam greatly improved the solar-powered steam generation and yield of freshwater, resulting in the production of low-cost potable water from brackish input water.
Towards an in silico integrated approach for testing and assessment of nanomaterials: from predicted indoor air concentrations to lung dose and biodistribution
Integrated approaches to testing and assessment (IATA) provide a framework for combining different information (experimental or in silico) for hazard characterization of chemicals, including nanomaterials (NM), based on a weight of evidence approach.
Elucidating heterogeneous iron biomineralization patterns in a denitrifying As(III)-oxidizing bacterium: implications for arsenic immobilization
Anaerobic nitrate-dependent iron(II) oxidation is a process common to many bacterial species, which promotes the formation of Fe(III) minerals that can influence the fate of soil and groundwater pollutants, such as arsenic.
The bioaccumulation testing strategy for nanomaterials: correlations with particle properties and a meta-analysis of in vitro fish alternatives to in vivo fish tests
This meta-analysis identifies linkages between the tiers in the bioaccumulation testing strategy.
Gut-microbial adaptation and transformation of silver nanoparticles mediated the detoxification of Daphnia magna and their offspring
Toxic differences between antibacterial silver (either ionic Ag+ and nanoparticle – AgNPs) were related to the microbial metabolism of enriched organic matter in the gut.
Anisotropic oxidative growth of goethite-coated sand particles in column reactors during 4-chloronitrobenzene reduction by Fe(II)/goethite
Goethite nanoparticles attached to sand grains in column reactors increase grown in length when exposed to ferrous iron and 4-chloronitrobenzene.
Surface functionalisation-dependent adverse effects of metal nanoparticles and nanoplastics in zebrafish embryos
High throughput imaging is used to assess hatching, lethality and malformations in zebrafish embryos and is suitable for hazard ranking of different nanomaterials.
Raman tweezers for tire and road wear micro- and nanoparticles analysis
Raman tweezers allow us to trap and analyze nanoparticles generated during tire abrasion and brake pad friction.
Microbial response to copper oxide nanoparticles in soils is controlled by land use rather than copper fate
Microbial response to copper oxide nanoparticles in soils is controlled by land use rather than copper fate.
In situ determination of engineered nanomaterial aggregation state in a cosmetic emulsion – toward safer-by-design products
Engineered nanomaterials (ENMs) aggregation in cosmetics can lower their UV protection efficacy and affect their subsequent environmental impact. In situ ENMs aggregation state can be easily evaluated using 2D X-rays absorption spectroscopy.
Nanoelicitors with prolonged retention and sustained release to produce beneficial compounds in wines
We designed nanoparticles able to protect the elicitor on the leaves of grapevines over long periods of time. The foliar application of this nanoelicitor produced wines with high content of stilbenes at significantly reduced dosages.
Release of gold (Au), silver (Ag) and cerium dioxide (CeO2) nanoparticles from sewage sludge incineration ash
Conservative engineered nanoparticles (ENPs) that resist transformation during wastewater treatment and sludge incineration can be released from sewage sludge ash. Transient ENPs that undergo transformation are retained in the sewage sludge ash.
The bioaccumulation testing strategy for manufactured nanomaterials: physico-chemical triggers and read across from earthworms in a meta-analysis
How to use chemical triggers and invertebrate tests in the lower tiers of a bioaccumulation testing strategy.
Catalytic gold nanostars for SERS-based detection of mercury ions (Hg2+) with inverse sensitivity
Gold nanostars (AuNSt) amalgamated with mercury ions (Hg2+) results in reduced SERS performance whilst their enzyme-mimicking capability is not deteriorated, thus providing a basis for Hg2+ detection with inverse sensitivity.
Toxicokinetics of Ag (nano)materials in the soil model Enchytraeus crypticus (Oligochaeta) – impact of aging and concentration
Silver (Ag) nanomaterials (NMs) are used in many products, reaching the environment at some life stage. Their impact assessed via toxicokinetics differed between Ag salt and nano forms and also with soil aging.
Cellular repair mechanisms triggered by exposure to silver nanoparticles and ionic silver in embryonic zebrafish cells
The dynamic interplay between toxicity pathways (oxidative stress, calcium disturbances, genetic damage) caused by nanoparticles and the repair mechanisms of inhibition of cell division and induction of cell death is explored in zebrafish embryo cells.
Direct analysis of fulvic acids adsorbed onto capped gold nanoparticles by laser desorption ionization Fourier-transform ion cyclotron resonance mass spectrometry
Laser desorption ionization Fourier-transform ion cyclotron resonance mass spectrometry for direct molecular characterization of nanoparticle coronas.
Dietary exposure to copper sulphate compared to a copper oxide nanomaterial in rainbow trout: bioaccumulation with minimal physiological effects
The dietary bioaccumulation potential of engineered nanomaterials (ENMs) remains poorly understood.
Effect of deposition, detachment and aggregation processes on nanoparticle transport in porous media using Monte Carlo simulations
A novel off-lattice three-dimensional coarse-grained Monte Carlo model is developed to study engineered nanoparticle (ENP) behavior in porous media.
A critical evaluation of short columns for estimating the attachment efficiency of engineered nanomaterials in natural soils
A combined experimental and theoretical approach to obtain the attachment efficiency (α) of engineered nanomaterials (ENMs) for heterogeneous natural soils from short, saturated packed columns was investigated and optimized.
Mechanisms and effects of zinc oxide nanoparticle transformations on toxicity to zebrafish embryos
Environmental transformations modify the physicochemical properties of ZnO NPs, modulate their ability to reduce zinc ions, and determine the degree of toxicity reduction in zebrafish embryos.
Metal-doping of nanoplastics enables accurate assessment of uptake and effects on Gammarus pulex
The combination of nanoplastic metal doping and biodynamic modeling allows for accurate assessment of bioaccumulation and effects on Gammarus pulex, even in a complex environmental matrix such as sediment.
Quantification of particulate Ag in rainbow trout organs following dietary exposure to silver nitrate, or two forms of engineered silver nanoparticles
Following exposure to a diet containing a control (no added Ag), AgNO3, Ag NPs or Ag2S NPs, Ag-containing particles were found in organs of all treatments, with the highest concentrations following exposure to AgNO3 or Ag NP.
Non-woven materials for cloth-based face masks inserts: relationship between material properties and sub-micron aerosol filtration
Sub-micron aerosol filtration of non-woven materials and fabric treatments were investigated. Select low-cost, readily available and easily cut non-woven materials were identified as suitable filter inserts for cloth-based masks.
Environmentally relevant concentrations of titanium dioxide nanoparticles pose negligible risk to marine microbes
Exposure of Prochlorococcus cultures to research-grade and extracted nano-sized TiO2 at environmentally-relevant and supra-environmental concentrations (1 μg L−1 to 100 mg L−1) results in initial cell decline, followed by full population recovery.
Emerging investigator series: automated single-nanoparticle quantification and classification: a holistic study of particles into and out of wastewater treatment plants in Switzerland
High-throughput single-particle ICP-TOFMS analyses are used to quantify and classify diverse metal nanoparticle types from wastewater treatment plant samples.
Self-decontaminating nanofibrous filters for efficient particulate matter removal and airborne bacteria inactivation
With the increased hospital-acquired infections caused by bio-contaminated surfaces, the requirement for a safer and more efficient antibacterial strategy in designing personal protective equipment such as N95 respirators is rising with urgency.
Toxicity and chemical transformation of silver nanoparticles in A549 lung cells: dose-rate-dependent genotoxic impact
Acute exposure of A549 cells to Ag-NPs induces stronger effects on DNA integrity, ROS level, cell metabolism and cell cycle than repeated exposure. Ag-NPs dissolves in both exposure conditions and Ag ions recombine with thiolated proteins.
Nanoplastic sizes and numbers: quantification by single particle tracking
Easy method to count and size plastic nanoparticles in water. A combination of sensitive fluorescence video microscopy, NileRed staining of plastic particles, and single particle tracking allows for counting and sizing nanoplastics.
Fluorescent plastic nanoparticles to track their interaction and fate in physiological environments
This work aims to establish a production and characterization protocol for fluorescent plastic nanoparticles of poly(ethylene terephthalate) (PET), polypropylene (PP), and polystyrene (PS) that can be tracked in biological environments.
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.
About this collection
Please see below for recent Open Access papers published in Environmental Science: Nano.