Themed collection Environmental Science: Nano Recent HOT Articles

Common plastics, such as polyethylene terephthalate (PET), as pollutants in aquatic environments in the form of micro/nanoparticles are of environmental and public health concern.

The surface properties of graphene-based materials determine their protein-binding capacities via modulating the aggregation morphology of these materials.

Atomic and bulk scale measurements demonstrate that goethite grown by oriented aggregation does not readily incorporate U(VI) into structural sites.

Cadmium sulfide quantum dots regulate nanomaterial-specific unique transmembrane transport system and metabolic processes in soybean plants.

The objective of this study was to test the original speciation of silver (Ag) in eight different commercially available personal care products and investigate the chemical transformation of Ag during exposure to two types of synthetic greywater.

NF membranes functionalized through bio-deposition of g-C₃N₄ nanosheets have enhanced water permeability, dye retention and salt transmission, showing great potential for sustainable treatment of highly saline textile wastewater.

Two stable Al(III)-MOFs were designed and synthesized for the selective detection of two organic arsenic compounds in aqueous medium.

The heterogeneous reaction of dimethylamine (DMA) with sulfuric acid to promote the growth of atmospheric nanoparticle is different from ammonia.

In this study, wall-coated flow tube, in situ diffuse reflectance infrared Fourier transform spectroscopy and ion chromatography were used to investigate the effect of water on the heterogeneous reactions of SO₂ and NH₃ on α-Fe₂O₃ and γ-Al₂O₃.

Novel isotopic labelling and imaging techniques are used to directly observe the autocatalytic reaction and facet-selective adsorption of Fe(II) onto individual hematite (Fe₂O₃) crystallites.

Chronic exposure to GO disrupted the composition of the intestinal microbiota and damaged zebrafish gut tissues accompanied by inflammation responses.

Two layered NaMnO₂ nanomaterials with expanded interlayer spacing were evaluated as HCDI redox-active intercalation electrodes and showed high CDI performance.

The synchrotron EXAFS fitting using ab initio Debye–Waller factors suggests that ferrihydrite adsorbs arsenate dominantly via monodentate mononuclear complexes.

This study explored for the first time the application of two-dimensional (2D) ruthenium oxide (RuO₂) nanosheets (NSs) for organic decomposition through peroxymonosulfate (PMS) activation.

We elucidated the spatial distribution of DOM on allophane and the mechanisms controlling the adsorptive fractionation of DOM molecules.

Sensitivity analyses indicate attachment efficiency and transformation rate constant are most important in modeling environmental fate of engineered nanoparticles.

Silver nanoparticles induce a similar but attenuated response to ionic silver in an enterohepatic fish in vitro system.

We probed that metallic nanoparticles (NPs) can mediate electron transfer in water by different schemes.

The incineration of sewage sludge leads to the incorporation of Ce from CeO₂ nanoparticles into mineral structures.

We discovered a new mechanism explaining why iron in its oxidized form Fe(III) in clay minerals is reactive only in the presence of trace amounts of its reduced form—Fe(II).

Humic acid improves TiO₂ nanocrystal stability in a facet dependent manner due to the facet-specific SRHA coordination on the TiO₂ surface.

Exposed crystal facets of TiO₂ nanomaterials significantly affect the surface defect formation of the materials during thermal treatment.

Overall, fish showed more Ag accumulation from AgNO₃ and Ag NP exposures compared to the Ag₂S NP treatment.

Nanoparticles (NPs) undergo a number of changes in environmental systems which are often influenced by their interaction with natural organic matter (NOM).

Over the last five decades, plastics production has increased as a consequence of their use in strategic sectors causing damage on aquatic ecosystems.

FLG induces strong physiological modifications as a survival strategy of Nitzschia palea, at cell and biofilm scale.

Comprehensive mineralogical analyses (including nano to micron-sized particle detection) of patients' bronchoalveolar lavages allow obtaining new insights into the role of inhaled biopersistent particles in lung diseases.

Aggregates or adducts of MONPs and plasmids are blocked out by cells, resulting in the inhibition of lateral plasmid-mediated ARG transfer.

Highlighted are the protein properties determining protein binding to the silver nanoparticle surface.

Silver ions can be naturally transformed into silver nanoparticles due to the plant root exudate-mediated photoreduction of silver chloride microcubes.

This study investigated the photocatalytic degradation of polybrominated biphenyls (PBBs) by metal doped titanium dioxide (M/TiO₂).

Surface area is a crucial property of ferrihydrite that has been assessed by probing it with PO₄.

Uptake of Eu³⁺ on clinoptilolite is significantly enhanced by the presence of UO₂²⁺ though cation–cation interactions between UO₂²⁺ and Eu³⁺.

Quantification of TiO₂ engineered particles in surface waters receiving untreated sewage spills.

Analysing the dependence of bacteria adhesion on the diameter of nanofibres to improve cell-to-material adhesion for target applications.

Nitrogen, phosphorus and sulfur co-doped graphene-like carbon nanospheres with 3D inverse opal structure as a promising bisphenol-A remediation material.

Dual reaction centers are formed between C–O–Cu bonding bridges of Cu-MP NCs owing to cation–π interactions. H₂O₂ is reduced to ˙OH on electron-rich Cu centers, while pollutants are degraded on electron-deficient centers.

This study investigated the effectiveness of a new technique for recovering Pb as highly pure PbCO₃ nanoparticles from wastewater by using a nano-Mg(OH)₂ adsorbent.

A novel biomass-derived magnetic nanocomposite, named BMN, was fabricated via one-step pyrolysis process.

This study looks at the potential for ingested nanomaterials dosed in soil, to become bioaccessible for human intestinal absorption.

Predicting environmental concentrations of engineered nanomaterials (ENMs) is key for assessing their risk.

Enhanced pollutant removal by FeOOH/RGO hydrogels relying on π–π and π–Fe interactions.

Coatings on nanoparticle (NP) surfaces play a key role in dictating their behavior in the environment.

A quantitative approach to matching existing environmental assessment models to the needs of stakeholders at different stages during innovation of nanomaterials and nano-enabled products.

Life cycle of Rhodonia placenta showing the uptake and speciation of copper in basidiospores.

This study demonstrates that rare earth oxide nanoparticles can enhance soil microbial antibiotic resistance by inducing the enrichment and spread of antibiotic resistance genes in soil microbial communities.

The recent commercialisation of antimicrobial textiles has resulted in concern regarding the incidental release of silver nanomaterials (Ag-NMs) to the environment.

Under the oxidizing conditions produced by n-TiO₂ and irradiation, n-Ag₂S is unstable and provokes significant microbial stress.

The photochemistry of a plasmonic biomaterial that consisted of gold nanoparticles (AuNP) on the exterior of the iron sequestration protein, ferritin (Ftn), was investigated.

A green approach was successfully developed to prepare CuO nanosheets (NSs) as a recyclable Fenton-like catalyst from simulated Cu(II) waste effluents by alkaline H₂O₂ reaction.

Highly porous free-standing ceramic SCR catalysts are achieved by via integrating a co-electrospun supporting polymeric component.

Quasi single cobalt sites are fabricated using the confined space, and show enhanced catalytic performances compared with aggregated Co₃O₄.

Non-lethal levels of graphene oxide interfere with biofilm formation, and this inhibition could be counteracted after long-term exposure.

A facile method was developed to study the bioaccumulation kinetics of amorphous silica nanoparticles (AmSiNPs) by embedding the particles with quantum dots (QDs) and then using Cd as the tracer.

The manifestation of differential metabolic profiles combined with the perturbation of physiological indicators in M. aeruginosa upon silver nanoparticle exposure is taken as evidence of damage to photosynthesis and membranes.

A new 2D nanomaterial testing prioritization framework based on media specific chemical behavior.

Our goal was to characterize the uncertainty in the estimates of the mobility and reactivity of polydisperse nanocolloids introduced into computations when a distribution of particle sizes is replaced with a representative particle diameter through ensemble averaging.

A novel adsorbent (titanium phosphate nanotube) with high performance for U(VI) adsorption was fabricated through a facile solvothermal method.

This study investigated the toxicity of CuO nanoparticles (NPs) to Nicotiana tabacum L. cv. Bright Yellow-2 (BY-2) cells.

Enhanced production and adsorption of atomic H* for efficient electrocatalytic dechlorination of TCAA with a Pd/rGO composite electrode.

Free and protonated amino groups anchored on the macrostructures are responsible for U(VI) and Re(VII) adsorption, respectively.

Nanoparticle (NP) aggregation is typically investigated in either quiescent or turbulent mixing conditions; neither is fully representative of dynamic natural environments.

This study applies and tests new risk screening tools for engineered nanomaterials and highlights key findings.

Nanoceria ROS scavenging is a key tool for understanding and improving plant tolerance to salinity, a stress that severely limits crop yield worldwide.

The environmental transformation of graphene oxide (GO) can significantly change its physicochemical properties, thus altering its toxicity.