Themed collection Environmental Science: Nano Recent HOT Articles

An asymmetrically superwettable Janus membrane utilizes natural resources without CO₂ emission for all-day freshwater harvesting.

The 3V₂O₅@AC-300 catalyst exhibits excellent catalytic performance as a result of abundant oxygen vacancies and superior redox ability.

In this study, fungi-enabled hierarchical porous magnetic carbon (FPC/nZVI) with an ultrahigh surface area was synthesized using fungal fermentation and used for the efficient remediation of As(III) in water and soil.

We have investigated the local atomic structures and electronic properties of CFTNF (Cu_xO/Fe₂O₃/TiO₂(B)) towards photocatalytic H₂ production and trimethoprim degradation.

Soil dissolved organic matter (SDOM) forms the corona and affects the colloidal mobility of Cr (hydr)oxides.

Graphene-supported C₃N₄/TiO₂ hetero-aerogels with high photocatalytic properties and sustainability are designed and synthesized.

P and N co-doped Fe SACs with dual reaction sites exhibited an ultra-low activation energy and exhibited excellent BPA degradation efficiency in the PMS-based heterogeneous Fenton-like reaction.

Schematic diagram of the photocatalytic reduction mechanism for the PAM40 system.

The herbicide-safener dual controlled release system AD-67@Pre@ZIF-67 was successfully prepared for the high efficiency and low toxicity of herbicide.

Nanocarrier-delivered dsRNA can be a promising environmentally friendly pest management solution.

A leaf vein-biomimetic nanofibrous membrane was constructed by nonsolvent-induced phase inversion for high-performance surface filtration of water contaminants.

The presence of PS NPs negatively influenced wheat seedlings and aggravated the damage induced by TC. Thus, the potential risk of the combined effects of PS NPs and TC on plants should be of great concern.

The interaction of upconversion nanoparticles (UCNPs) with peripheral blood mononuclear cells was investigated using single-cell mass cytometry (CyTOF).

This study firstly revealed that toluene oxidation activity can be considerably improved by cationic defects rather than oxygen defects over nano-structured CoMnO_x.

The gastrointestinal fate of Bacterial NanoCellulose (BNC) was analysed, in particular attempting to clarify whether any absorption occurs. Novel insights assuring the safety of this material for food applications and human consumption are provided.

Harmful algal blooms lead to cyanobacteria toxins increase in natural water. A novel nanochannel-based sensing system utilizing metal–organic frameworks and DNA aptamers was developed for highly sensitive detecting microcystin-LR in real water.

Superior catalytic activity toward As(III) for P FeCo₂O_4−x/GCE with increasing reductive Fe(II)/Co(II) sites.

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.

Highly-wrinkled graphene oxide (GO) films effectively inhibit or kill bacteria.

Particle morphology and dissolution profile determine the suppression of bacterial wilt in tomato by lanthanum-based nanomaterials.

Urban runoff is a significant source of pollutants, including incidental and engineered nanoparticles, to receiving surface waters.

Peracetic acid (PAA)-based advanced oxidation processes have garnered increasing attention for eliminating organic pollutants in wastewater treatment.

Degradable fluorescent N-doped CDs are oxidized and degraded into substances that can be used for lettuce growth. Their excellent light conversion characteristics promote the utilization of the CD degradation products by lettuce.

The adsorption and cleavage behavior of DNA molecules by graphene oxide under UV irradiation were investigated in detail. It will provide novel insights into the potential environmental risk of graphene oxide in the aquatic environment.

Adjusting the structure and surface profiles of CeO₂ could significantly modify its catalytic performance for CVOCs.

Promoting the growth of sulfide particles by regulating heterogeneous nucleation and aggregation to facilitate their sedimentation and separation.

A Janus micromotor-assisted dual-function platform through a novel and facile method was designed and fabricated for sensitive detection and rapid degradation of hydroquinone in water.

Cu(II) ions promotes the dissolution of CdS-NPs with different morphologies by Cd/Cu cation exchange, which is further complicated by environmental matrix effects.

Preparation and fabrication of Sr@Mn₃O₄/GO nanocomposite towards electro-reduction of NFT in biological and environmental samples.

Molecular simulations identify distinctive behaviors of nanoplastics at the cell membrane surface and reveal interfacial processes of translocation, transformation and membrane perturbation governed by the polymer type and aging properties.

Arsenic is one of the most toxic elements in natural waters since prolonged exposure to this metalloid can cause chronic damage to health.

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.

Cu₂O@Co/NC acts as an antibacterial oxygen reduction catalyst for microbial fuel cells.

The novel pH-controlled pompon-like magnesium foliar fertilizer (PMFF) has a super-high foliar adhesion ability and high rainfastness property.

The mechanism of antibiotic photodegradation on SA-BiOCl.

Formaldehyde (HCHO) is known to be a hazardous indoor air pollutant.

Structurally complementary MOF-derived binary metal oxide modified layered g-C₃N₄ is synthesized by hydrothermal treatment and co-pyrolysis. This article focuses on exploring the synergy of photocatalysis and PMS activation mediated by Co₃O₄.

Nanomaterials (NMs) have exhibited great potential for improving agriculture production and fruit storage.

A pH/enzyme dual-responsive zein-EMB-nanocapsule system was prepared via a phase-separation method, which could enhance the pesticide's adhesion, target wettability, stability, anti-photolysis, and stimuli-responsive controlled release properties.

Crop yield and quality must be improved to meet the rapid growth of the population.

The efficiency of chitosan coated nanourea as a slow release fertilizer was investigated and compared with commercial urea. The coated nanourea significantly enhanced soil properties, improved plant growth and reduced nitrate leaching.

An increase in the fluorescence lifetime of rhodamine B dye, when in contact with hematite nanoparticles in methanol from mildly acidic to alkaline pH, is consistent with the transfer of electrons from excited dye to the hematite conduction band.

Liquid chromatography-mass spectrometry and molecular dynamics simulation demonstrate that positive surface charges promote the formation of a complete lipid corona with compositions different from the pristine natural lung surfactant.

A Au@Co₃O₄ core–shell nanocomposite was prepared for the mineralization of formaldehyde under dark conditions and visible-light irradiation. The Au@Co₃O₄ core–shell nanocomposite has significantly promoted the photocatalytic formaldehyde oxidation.

Catalytic activity, water resistance and stability of hematite nanomaterials in oxidative removal of polychlorinated aromatic hydrocarbons can be simultaneously enhanced through facet engineering.

The main goal of this work was to quantify and explore the variation of nanosilicon-mediated effects on the mitigation of oxidative stress in plants against abiotic and biotic stress.

Raspberry-like hollow spheres consisting of small TiO₂ nanocrystals exhibited excellent photocatalytic activity for the removal of nitrogen oxides.

By intercalating KOH into multilayered Ti₃C₂T_x, an efficient adsorbent with coordination/cation exchangeable sites is developed for Tl⁺ removal. The –OH sites can coordinate Tl⁺ while the exchange of K⁺/Tl⁺ contributes selective and fast adsorption.

Light illumination can enhance the NOC formation from heterogeneous processes of toluene whereas water cannot.

This study reveals that the higher the binding free energy of the phosphate (P) group to metal-based adsorbents, the stronger the facet- and adsorbent-dependent adsorption of P.

Ce oxide nanoparticles are widely used in numerous surface coatings, however, their environmental fate and persistence is unclear.

The study is the first work characterizing nZVI aggregates in water and provides essential data for practical applications of nZVI.

A filtration-based SERS platform was proposed to separate and analyse AgNPs in antibacterial products.

Defect engineering at the surface of zinc oxide sub-5 nm nanoparticles provides a systemic nanotherapeutic with significant field efficacy against citrus HLB disease.

A porous silicon (pSi) particle-based courier could deliver melatonin (MT) into pregerminated seeds by seed priming, which serves as an environmentally-friendly and sustainable method to improve nickel stress tolerance.

Citrate-coated CoFe₂O₄ nanoparticles release iron fertilizers in artificial root exudates following a Korsmeyer–Peppas dissolution model.

The low yield and active ingredient content of medicinal plants is always a challenge.

In this study, we developed a dual emissive fluorescent nanoprobe based on europium doped carbon dots (Eu-TCA/CDs) for the selective detection of chloramphenicol, Hg²⁺ and Fe³⁺ in aqueous medium.

Combination of transcriptomics, metabolomics and physiology studies highlighted the nanoparticle size- and concentration-dependent disturbance in algal metabolism induced by nTiO₂.

Sulfidation of zero-valent iron (SZVI) emerged as a promising approach to enhance both the reactivity and selectivity of nano zero-valent iron (ZVI).

A nanocomposite (COS-2LI-HOPO) is reported that can achieve decorporation of uranyl in kidneys and alleviation of oxidative stress with low cytotoxicity simultaneously.

The relative abundance of sulfoquinovosyl diacylglycerol (SQDG) in model chloroplast membranes dictates both the affinity for and capacity of the membrane to interact with positively charged carbon nanodots (CNDs).

Ionic liquid-stabilized CuNi alloy nanoparticle-decorated multiwall carbon nanotubes have been developed, which demonstrate the electrochemical detection as well as catalytical degradation of imidacloprid insecticide in food samples.

Magnetite nanoparticles are not chemically stable at pH < 7, which drastically affects their environmental behavior.

A hetero-phase junction was constructed with metallic 1T and semiconductive 2H MoS₂, which exhibited outstanding photo-Fenton catalytic performance to effectively degrade organic pollutants in the aquatic environment.

Transition metal single-atom catalysts with nitrogen-doped carbon substrates were designed and analyzed as the catalysts to oxidize Hg⁰ with O₂, using density functional theory calculations, scaling relation analysis, and microkinetic modeling.

Atomically precise, thiolate-protected gold nanoclusters (TPNCs) exhibit remarkable catalytic performance for the electrochemical reduction of carbon dioxide (CO₂R) to CO.

Nitrogen is efficiently converted into NH₃ using oxygen-vacancy-modified InVO₄ as a catalyst via a green and sustainable photocatalytic technique.

The combination of nanocarrier delivery and genetic manipulation significantly improves chlorfenapyr efficiency and has great potential for sustainable crop protection.

Understanding the interaction of wood-based nanomaterials with different pharmaceuticals is basic for future engineering of nanostructured wood-based adsorbents for pharmaceutical pollutants.