Themed collection Recent Open Access Articles
In vitro-based human toxicity effect factors: challenges and opportunities for nanomaterial impact assessment
Drawing the picture of the opportunities and challenges of using in vitro data to calculate effect factors in LCA.
Bioengineering applications of black phosphorus and their toxicity assessment
An overall structure of this review.
Graphene-based nanomaterials and microbial communities: a review of their interactions, from ecotoxicology to bioprocess engineering perspectives
This review discusses the interactions between graphene-based nanomaterials and microbial communities in different environmental compartments reconstituted in microcosms, from soil and freshwater to bioprocesses treating waste.
Emerging investigator series: metal nanoparticles in freshwater: transformation, bioavailability and effects on invertebrates
MNPs may undergo different environmental transformations in aquatic systems, consequently changing their mobility, bioavailability and toxicity to freshwater invertebrates.
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.
Nanoparticles in bodily tissues: predicting their equilibrium distributions
We successfully predict distribution of nanoparticles (NPs) in human tissues applying surface energies for NPs, membranes, plasma and protein, considering various biochemical interactions. Phagocyte-rich and cancerous tissues accumulate NPs.
Commercial photocatalyst changes the behavior of Formica pratensis and Formica polyctena
Commercial titania modified the behavior of ants by changing their cuticular hydrocarbon profile composition through photocatalytic oxidation.
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.
Chemical composition, coordination, and stability of Ca–organic associations in the presence of dissolving calcite
Aqueous Ca-(bi)carbonate organic associations with increased thermal stability.
Polycarbonate nanoplastics and the in vitro assessment of their toxicological impact on liver functionality
Polycarbonate photodegradation products, namely nanoplastics and molecular by-products, are formed in a single step. Studying their effects in a suitable hepatic model proves that both components induce toxicity toward hepatocellular functions.
Complementary in vitro and in vivo strategies to assess the biological effects of the nano enabled food additives E171 and E551
Exposure to non-cytotoxic concentrations of E551 and E172 causes similar changes in the expression levels of genes related to the regulation of oxidative stress and DNA integrity in Drosophila intestines and human differentiated Caco-2 cells.
Origin, exposure routes and xenobiotics impart nanoplastics with toxic effects on freshwater bivalves
Gene expression was more disrupted in the case of diet-borne exposure of bivalves to NP-L (from the Leyre River) compared to NP-PS, accompanied by neurotoxic effects, synergistic effects with aluminium, and this, even after 7 days of depuration.
Interfacial interactions of humic acids with polystyrene nano-plastics in aqueous/ionic environments: a molecular dynamics exploration
TNB molecules exhibiting eco-corona on the surface of carboxylated polystyrene nano-plastic in the aquatic environment.
Comparison of biokinetic models for non-dissolvable engineered nanomaterials in freshwater aquatic organisms
Understanding the uptake and elimination kinetics of engineered nanomaterials (ENMs) in aquatic organisms is essential for their environmental risk assessment.
A promising approach to an environmentally friendly pest management solution: nanocarrier-delivered dsRNA towards controlling the destructive invasive pest Tuta absoluta
Nanocarrier-delivered dsRNA can be a promising environmentally friendly pest management solution.
Metal and metal oxide nanoparticle toxicity: moving towards a more holistic structure–activity approach
A classification SAR approach for the toxicity of metal and metal oxide nanoparticles, towards various cells and organisms. The analysis revealed key nanoparticle properties that induce toxicity.
Spermidine carbon dots enhance thermotolerance by modulating photosynthesis and cellular redox homeostasis in tomato
In this study, we demonstrate and elucidate how spermidine carbon dots (Spd-CDs) enhance tomato tolerance under heat stress (45 °C).
Development of a nano-QSAR model for predicting the toxicity of nano-metal oxide mixtures to Aliivibrio fischeri
In this study, we developed nano-mixture QSAR models using molecular dynamic (MD) descriptors to predict the toxicity of MONPs to A. fischeri.
Soil activity and microbial community response to nanometal oxides were not due exclusively to a particle size effect
Metal oxide engineered nanomaterials (ENMs) in study influenced soil function and microbes, but we found no evidence that changes were caused exclusively by a nano-size effect.
Seawater-degradable, tough, and fully bio-derived nonwoven polyester fibres reinforced with mechanically defibrated cellulose nanofibres
PHBH incorporated with cellulose nanofibers was fabricated as a completely bio-derived bioplastic with high seawater degradability and mechanical properties by electrospinning Pickering emulsions.
CsAKT1 is a key gene for the CeO2 nanoparticle's improved cucumber salt tolerance: a validation from CRISPR-Cas9 lines
CsAKT1 is a key gene involved in PNC improved cucumber salt tolerance.
Ceramic fibers do not exhibit larger toxicity in pulmonary epithelial cells than nanoparticles of the same chemical composition
Inorganic fibers and nanoparticles of the same chemical composition induce similar biological effects in pulmonary cells, which means no or negligible toxicity.
Eco design for Ag-based solutions against SARS-CoV-2 and E. coli
An effective, eco-friendly and easily scalable nanosilver-based technology offers affordable and broad-spectrum antimicrobial solutions against SARS-CoV-2 and Escherichia coli.
Buoyancy and Brownian motion of plastics in aqueous media: predictions and implications for density separation and aerosol internal mixing state
Nano- and microplastics exist in the environment and atmosphere in mixed-phase aqueous systems. The density and size of plastics as well as the density of the liquid phase determines if these plastics will float or diffuse through the liquid.
Label-free and reusable antibody-functionalized gold nanorod arrays for the rapid detection of Escherichia coli cells in a water dispersion
An antibody-functionalized gold nanorod array enables the realization of a reusable early-warning system for detecting harmful pathogens dispersed in drinkable water.
Probabilistic risk assessment of AgNPs for human health through dietary consumptions of crops
Silver nanoparticles (AgNPs) are predicted to be continuously released in the agricultural sector, the subsequent potential human health risks through consumption of food crops has raised concern.
Does size matter? A proteomics-informed comparison of the effects of polystyrene beads of different sizes on macrophages
Macrophages treated with polystyrene beads of different sizes show different adaptive responses but no inflammatory responses.
Increase in the active ingredients of traditional Chinese medicine Isatis indigotica through iron nanoparticles supplementation versus carbon nanotubes: a comparative study
The low yield and active ingredient content of medicinal plants is always a challenge.
Metabolic alterations in alga Chlamydomonas reinhardtii exposed to nTiO2 materials
Combination of transcriptomics, metabolomics and physiology studies highlighted the nanoparticle size- and concentration-dependent disturbance in algal metabolism induced by nTiO2.
Characterization of nano-scale mineral dust aerosols in snow by single particle inductively coupled plasma mass spectrometry
Mineral dust aerosols in snow were analyzed by single particle ICP-MS with machine learning to classify particle groups.
Protein binding on acutely toxic and non-toxic polystyrene nanoparticles during filtration by Daphnia magna
Toxic and non-toxic polystyrene particles bind different proteins during filtration by zooplankton.
Colloidal silica nanomaterials reduce the toxicity of pesticides to algae, depending on charge and surface area
Colloidal silica nanomaterials as adsorbents for aquatic pollutants.
Bioreactivity of a novel poly(epsilon-caprolactone) nanocapsule containing atrazine with human lung alveolar epithelial cells
Nanoencapsulation of pesticide atrazine improves efficacy. However, this study discovered adverse bioreactivity in alveolar type 1 epithelial cells (a major recipient of inhaled nano-sized particles), following exposure to nanoencapsulated atrazine.
Systematic investigation of the adsorption potential of lignin- and cellulose-based nanomaterials towards pharmaceuticals
Understanding the interaction of wood-based nanomaterials with different pharmaceuticals is basic for future engineering of nanostructured wood-based adsorbents for pharmaceutical pollutants.
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.
About this collection
Please see below for recent Open Access papers published in Environmental Science: Nano.