Themed collection Environmental Science: Nano Recent HOT Articles

Tiemannite nanoparticles available for microbial mercury methylation are formed during the co-precipitation of natural organic matter, divalent mercury and selenium.

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.

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.

Multi-walled carbon nanotubes (MWCNTs) added into soil can improve the enzyme activities related to nitrogen (N) metabolism in the soil and plant to promote Brassica campestris growth and nitrogen use efficiency under different N applications.

A promising strategy for magnetic field-assisted highly efficient photocatalytic performance.

The distribution, bioaccumulation, and trophic transfer of nanoplastics in a constructed freshwater ecosystem were quantitatively investigated using Pd-doped particles.

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.

BP–PNIPAM can capture and eliminate bacteria under NIR light irradiation through hydrophilic-to-hydrophobic phase transition and hyperthermia.

In this study, the accumulation and distribution of ethylhexyl salicylate (EHS) and polystyrene nanoplastics (PS-NPs) in parental zebrafish (Danio rerio) and offspring and the effects of PS-NPs on EHS bioavailability were investigated.

CF₄ hydrolytic decomposition was studied at three-coordinated Al sites on the γ-Al₂O₃ (110) surface.

This study provides a highly effective and energy-free CNT-based disinfection without toxic by-products and reveals the synergistic genic bactericidal paths of solar radiation and photo-induced heat.

Improving the biodegradation efficiency of terephthalic acid (TA) wastewater processes is highly challenging, particularly in large-scale up-flow anaerobic sludge blanket (UASB) reactors.

SPc can be conjugated with dinotefuran through hydrogen bonding and van der Waals forces, which reduce particle size, increase plant uptake and bioactivity, and decrease residue. The dinotefuran/SPc complex is relatively safe to predators and plants.

The ameliorated solar photocatalytic performance is a combined result of Ag-NPs and caterpillar-like Zn–C hierarchical nanoarchitectures derived from MOF micro- and nanorods.

This study addresses barriers to large-scale application of molybdenum disulfide (MoS₂) in water treatment schemes through its affixation onto granular activated carbon (AC) as an active adsorbing platform.

Lepidocrocite, as a ubiquitous iron mineral, is widely detected in different morphologies in natural environments, controlling the mobility and availability of heavy metal ions (HMIs).

An in situ synthesis strategy was used to prepare a GO/COFs composite for the effective adsorption of organic pollutants from environmental water.

Rapid removal of organic dyes from neutral wastewater by photothermal effect.

The observations of organo-clay-calcite interactions through combined mineral reactions in soil systems would provide a new perspective of carbon stabilization.

We fabricated a novel nanowell enhanced Raman spectroscopy substrate that can capture and detect nanoplastics with the aid of the coffee ring effect. Single polystyrene nanoplastics down to 200 nm can be directly visualized.

Sn@NPC composite is synthesized by a design involving the upcycling of Sn electroplating sludge, and exhibits high selectivity and stability for CO₂RR to HCOOH.

Determination of size-dependent accumulation of platinum nanoparticles using single particle-inductively coupled plasma-mass spectroscopy.

A cost-effective powdery oil gelling agent based on cellulose nanofibrils was successfully fabricated and utilized to effectively remove an oil spill from the seawater surface.

Toxic differences between antibacterial silver (either ionic Ag⁺ and nanoparticle – AgNPs) were related to the microbial metabolism of enriched organic matter in the gut.

An ECL biosensor based on entropy-driven amplification and CRISPR-Cas12a shear for the detection of the SARS-CoV-2 RdRp gene in environmental surveillance was reported.

High throughput imaging is used to assess hatching, lethality and malformations in zebrafish embryos and is suitable for hazard ranking of different nanomaterials.

Three-dimensional interconnected N-doped Ti₃C₂T_x hollow spherical shells with abundant accessible space exhibit excellent capacitive deionization performance in asymmetric electrode systems.

This study aimed to evaluate the potential role of Bi₂O₃/TiO₂@reduced graphene oxide (rGO) in the antibacterial activity of the typical plant pathogenic bacteria Pst.DC3000 and the enhancement of tomato resistance to pathogenic bacteria.

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.

3D porous carbon nanofiber/graphene oxide composite aerogels (PCNF/GOAs) with an adjustable pore structure were designed to significantly increase the adsorption of tetracycline from water using batch and fixed-bed operation.

Background: engineered nanomaterials (ENMs) have already made their way into myriad applications and products across multiple industries.

PS and OA jointly affected cell growth and death and inhibited DNA replication and repair by increasing ROS production, resulting in DNA damage and inducing Fanconi anemia. PS aggravates the toxicity of OA to AGS cells.

How to use chemical triggers and invertebrate tests in the lower tiers of a bioaccumulation testing strategy.

More environmentally relevant nanoplastic models are urgently needed.

A dinotefuran layered double hydroxide (D-LDH) nano-pesticide is designed via a supramolecular self-assembly method. It improved the utilization rate of pesticide and enhanced the valid duration.

(100), (110) and (111) CeO_x can promote H₂O₂/O₃ for water purification but behave in different manners.

Investigation of the natural coatings on nanoparticles in surface waters (using dialysis bags), and evaluation of the influential parameters of surface waters on the formation of these coatings.

Dispersion of BPNSs was stabilized by crop root exudate fractions _{>3 kDa}, resulted from ecological corona hindering their connections with other BPNSs and electrolyte (Ca²⁺).

GO is a promising synergistic agent of acaricides against mite pests, and the mechanism of synergistic effects of GO on acaricides was directly inhibiting the transcription of a CPR gene.

Dynamic changes in the secondary structures of BSA and β-LG observed when adsorbed onto nanoscale α-Fe₂O₃ surfaces. Adsorbed phosphate, a common oxyanion found in the environment, impacts protein surface coverage and modulates protein structure.

Capacitive deionization (CDI) utilizing metal oxide-decorated carbon-based materials has emerged as a promising process to convert saline water into freshwater due to its lower energy demand and robustness.

Functional nanoplastics (PSFG) complexed with glyphosate (PMG) are occluded within the model minerals calcite and iron hydroxide through growing hillocks and particle aggregation, respectively, thus limiting their soil migration and plant uptake.

Plants can take up the fragmented nanoplastics generated by plant–microbe rhizosphere interactions upon combined exposure to cadmium and nanoplastics.

Nano-enabled agriculture is a vibrant research area; nonetheless, reports on effective nanofertilizers are rather scant.

The results of this research indicate that though SWCNTs are unlikely to be absorbed in the gastrointestinal system, they do cause disruption of the gastrointestinal lipidome.

Silica nanoparticle coating on quartz optical fiber facilitates side-emission of germicidal ultraviolet light (UV-C), which shows promise for disinfection of contaminated air, water, and surfaces.

In this work, we synthesized a novel bio-based Fe-centered metal–organic aerogel and provided valuable guidance for solving practical TC-related pollution issues.

The originality of the present study is the description of CuO NP interaction with earthworm immune cells and subsequent physiological response from the in vitro perspective.

A one-step synthesis method of bimetallic CuCoOS is reported, and the morphology and structure of the catalyst are designed by changing the molar ratio of Cu and Co. The CuCoOS can effectively treat Cr(VI) in wastewater in a dark environment.

This research identifies mechanisms by which residual natural organic matter coatings can promote or hinder the reactivity of phosphate-treated titanium dioxide nanoparticles.

Modes and consequences of extracellular interactions between graphene nanosheets and E-cadherin are revealed by molecular dynamics simulations.

PM_2.5 activated the NLRP3 inflammasome to release ASC specks and interact with the Aβ monomer to induce Aβ aggregation, further inducing AD.

3D ordered honeycomb-like structured carbon was synthesized via a novel method and applied in CDI for the first time.

The ZnCo–Cl layered double hydroxide (LDH) has been developed for high-performance HCDI anodes by promoting the chloride ions uptake.

A dual radiolabelling strategy was used to track CeO₂ NPs in freshwater shrimp showing a dissolution-based uptake pathway of cerium.

We examined goldfish immunotoxicological responses to intravenously injected PAA-TiO₂ NPs by determining organ accumulation, depuration, tissue damage, and immune responsiveness in the kidneys, spleen, and isolated primary kidney neutrophils.

Bi₂Sn₂O_7−x with Sn-/Bi-adjacent oxygen vacancy were designed and applied for photocatalytic removal of rarefied NO. DFT and experiments provided a straightforward and clear understanding of the structure-performance relationship of oxygen vacancies.

Surface functional groups and the resultant changes in adsorption performance can be changed by long-term effects on pyrogenic organic matters with TBBPA, causing impacts to native vegetations.

NADH and GSH reduce Co in LiCoO₂ nanoparticles to enhance ion release and the nanoparticles oxidize NADH in model media. This poses two routes of toxicity for high-valent oxides: enhanced release of toxic metals and disruption of cell redox state.

A schematic illustration representing the application of copper oxide CF-nanoparticles on tomato plants for controlling tomato wilt caused by Fusarium oxysporum.

Fluorescent nanoprobe for detection of pyocyanin to monitor Pseudomonas aeruginosa biofilm formation.

g-C₃N₄/TiO₂ foams were explored as photocatalytic filters for treating NO indoor gas owing to the abundant adsorption and activation sites.

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.

Both radical and nonradical mechanisms were attributed to the enhanced SMX degradation under alkaline conditions in the presence of bicarbonate.

E171 reduced Fe bioaccessibility of spinach in a simulated gastrointestinal tract via two mechanisms: the inhibition of α-amylase activity and adsorption of released Fe from spinach.

Cellulose–chitosan composite aerogel fabricated via a process of co-dissolution and regeneration can adsorb formaldehyde quickly and irreversibly from air.

High-throughput single-particle ICP-TOFMS analyses are used to quantify and classify diverse metal nanoparticle types from wastewater treatment plant samples.

Protection from particulate matter (PM₁₀ and PM_2.5) and microorganisms using MOFs (metal–organic frameworks) and nanoparticles used in filtration has been a major challenge.

Capacitive removal of metal ions from wastewater was demonstrated by using Ti–C redox interfaces created by an ALD strategy.