Themed collection Environmental Science: Nano Recent HOT Articles
Multifunctional and asymmetrically superwettable Janus membrane for all-day freshwater harvesting
An asymmetrically superwettable Janus membrane utilizes natural resources without CO2 emission for all-day freshwater harvesting.
Unveiling the role of microwave induction on V2O5@AC catalysts with enhanced activity for low temperature NH3-SCR reaction: an experimental and DFT study
The 3V2O5@AC-300 catalyst exhibits excellent catalytic performance as a result of abundant oxygen vacancies and superior redox ability.
Fungi-enabled hierarchical porous magnetic carbon derived from biomass for efficient remediation of As(III)-contaminated water and soil: performance and mechanism
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.
Unveiling the influence of Fe2O3 nanoparticles on CuxO–TiO2(B) nanofibers for dual Z-scheme electron transfer visible light photocatalysts: investigation on local atomic structures and electronic properties
We have investigated the local atomic structures and electronic properties of CFTNF (CuxO/Fe2O3/TiO2(B)) towards photocatalytic H2 production and trimethoprim degradation.
Dissolved organic matter regulates aggregation and deposition of chromium (hydr)oxide colloids: molecular-scale investigation using ESI-FT-ICR-MS
Soil dissolved organic matter (SDOM) forms the corona and affects the colloidal mobility of Cr (hydr)oxides.
Structural design, biomimetic synthesis, and environmental sustainability of graphene-supported g-C3N4/TiO2 hetero-aerogels
Graphene-supported C3N4/TiO2 hetero-aerogels with high photocatalytic properties and sustainability are designed and synthesized.
Reconstructing atomic Fe coordination in the PMS activation process to realize efficient BPA degradation at low temperature
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.
An innovative S-scheme PhC2Cu/Ag/Ag2MoO4 photocatalyst for efficient degradation of sulfamethazine antibiotics: heterojunctions and innergenerated-H2O2 promote radical production
Schematic diagram of the photocatalytic reduction mechanism for the PAM40 system.
A MOF-based pH-responsive dual controlled-release system for herbicide pretilachlor and safener AD-67 delivery that enhances the herbicidal efficacy and reduces side effects
The herbicide-safener dual controlled release system AD-67@Pre@ZIF-67 was successfully prepared for the high efficiency and low toxicity of herbicide.
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.
Leaf vein-biomimetic nanofibrous membrane with self-assembled nanonet for surface filtration of water contaminants
A leaf vein-biomimetic nanofibrous membrane was constructed by nonsolvent-induced phase inversion for high-performance surface filtration of water contaminants.
Response of wheat (Triticum aestivum L. cv.) seedlings to combined effects of polystyrene nanoparticles and tetracycline
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.
A single-cell based mass cytometry study on heterogeneous interactions between upconversion nanoparticles and human immune cells
The interaction of upconversion nanoparticles (UCNPs) with peripheral blood mononuclear cells was investigated using single-cell mass cytometry (CyTOF).
The role of cationic defects in boosted lattice oxygen activation during toluene total oxidation over nano-structured CoMnOx spinel
This study firstly revealed that toluene oxidation activity can be considerably improved by cationic defects rather than oxygen defects over nano-structured CoMnOx.
Assessment of the gastrointestinal fate of bacterial nanocellulose and its toxicological effects after repeated-dose oral administration
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.
In situ growth of metal–organic frameworks in nanochannels for highly sensitive microcystin-LR detection
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.
Increasing reductive Fe(II)/Co(II) sites on P-doped FeCo2O4−x nanosheets to accelerate the valence cycle for the electroanalysis of As(III)
Superior catalytic activity toward As(III) for P FeCo2O4−x/GCE with increasing reductive Fe(II)/Co(II) sites.
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.
Improved antibacterial activity of 3D wrinkled graphene oxide films implemented with irreversibly shrinkable shape-memory polymer substrates
Highly-wrinkled graphene oxide (GO) films effectively inhibit or kill bacteria.
Lanthanum-based nanomaterials suppress bacterial wilt in tomato: importance of particle morphology and dissolution profiles
Particle morphology and dissolution profile determine the suppression of bacterial wilt in tomato by lanthanum-based nanomaterials.
Urban runoff drives titanium dioxide engineered particle concentrations in urban watersheds: field measurements
Urban runoff is a significant source of pollutants, including incidental and engineered nanoparticles, to receiving surface waters.
Efficient activation of peracetic acid via a defect-rich carbon nanotube@Co3O4 three-dimensional network for antibiotic removal: mechanism insights and practical water remediation
Peracetic acid (PAA)-based advanced oxidation processes have garnered increasing attention for eliminating organic pollutants in wastewater treatment.
Light-nutrition coupling effect of degradable fluorescent carbon dots on lettuce
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.
DNA damage caused by light-driven graphene oxide: a new mechanism
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.
Plasma-etched CeO2 nanorods with rich defect sites and acidity for dichloroethane oxidation
Adjusting the structure and surface profiles of CeO2 could significantly modify its catalytic performance for CVOCs.
Boosting the growth and aggregation of sulfide nanoparticles via regulating heterogeneous nucleation for enhanced sedimentation
Promoting the growth of sulfide particles by regulating heterogeneous nucleation and aggregation to facilitate their sedimentation and separation.
Self-propelled Janus magnetic micromotors as peroxidase-like nanozyme for colorimetric detection and removal of hydroquinone
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.
Facet-specific cation exchange and heterogeneous transformation of cadmium sulfide nanoparticles induced by Cu(II)
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.
Construction of Sr@Mn3O4/GO nanocomposite: a synergistic electrocatalyst for nitrofurantoin detection in biological and environmental samples
Preparation and fabrication of Sr@Mn3O4/GO nanocomposite towards electro-reduction of NFT in biological and environmental samples.
Distinguishing the nanoplastic–cell membrane interface by polymer type and aging properties: translocation, transformation and perturbation
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.
Efficient method of arsenic removal from water based on photocatalytic oxidation by a plasmonic–magnetic nanosystem
Arsenic is one of the most toxic elements in natural waters since prolonged exposure to this metalloid can cause chronic damage to health.
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.
Cu2O@Co/N-doped carbon as antibacterial catalysts for oxygen reduction in microbial fuel cells
Cu2O@Co/NC acts as an antibacterial oxygen reduction catalyst for microbial fuel cells.
In situ construction of a magnesium foliar fertilizer with pH-controlled release and high adhesion capacity
The novel pH-controlled pompon-like magnesium foliar fertilizer (PMFF) has a super-high foliar adhesion ability and high rainfastness property.
Efficient molecular oxygen utilization of micelle-based BiOCl for enhanced in situ H2O2 production induced photocatalytic removal of antibiotics
The mechanism of antibiotic photodegradation on SA-BiOCl.
Enhanced oxygen activation on an atomically dispersed Au catalyst with dual active sites for room-temperature formaldehyde oxidation
Formaldehyde (HCHO) is known to be a hazardous indoor air pollutant.
An insight into the bridging role of Co3O4 in MOF-derived binary metal oxide modified sheet-like g-C3N4 for photo-assisted peroxymonosulfate activation
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.
Molecular mechanisms of CeO2 nanomaterials improving tomato yield, fruit quality, and postharvest storage performance
Nanomaterials (NMs) have exhibited great potential for improving agriculture production and fruit storage.
Synthesis and characterization of a novel stimuli-responsive zein nano delivery system for the controlled release of emamectin benzoate
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.
Selenium nanomaterials induce flower enlargement and improve the nutritional quality of cherry tomatoes: pot and field experiments
Crop yield and quality must be improved to meet the rapid growth of the population.
Synthesis and characterization of a novel slow-release nanourea/chitosan nanocomposite and its effect on Vigna radiata L.
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.
Photocatalyzed electron exchange between organic chromophores and hematite nanoparticles and the role of solid-state charge transport
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.
Lipidomic analysis probes lipid coronas on hydrophilic nanoparticles from natural lung surfactant
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.
Catalytic oxidation of formaldehyde over a Au@Co3O4 nanocomposite catalyst enhanced by visible light: moisture indispensability and reaction mechanism
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
Catalytic activity, water resistance and stability of hematite nanomaterials in oxidative removal of polychlorinated aromatic hydrocarbons can be simultaneously enhanced through facet engineering.
Nanosilicon alters oxidative stress and defence reactions in plants: a meta-analysis, mechanism and perspective
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 TiO2 hollow spheres consisting of small nanocrystals towards efficient NO removal
Raspberry-like hollow spheres consisting of small TiO2 nanocrystals exhibited excellent photocatalytic activity for the removal of nitrogen oxides.
Coordination/cation exchangeable dual sites intercalated multilayered T3C2Tx MXene for selective and ultrafast removal of thallium(I) from water
By intercalating KOH into multilayered Ti3C2Tx, 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.
Heterogeneous reaction of toluene/NO2/O3 on α-Fe2O3 nanoparticles: the impacts of O3, light illumination, and relative humidity on the formation of N-containing organic compounds (NOC)
Light illumination can enhance the NOC formation from heterogeneous processes of toluene whereas water cannot.
Molecular-scale determination of facet- and adsorbent-dependent phosphate adsorption by metal-based adsorbents
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.
Stability of CeO2 nanoparticles from paints and stains: insights under controlled and environmental scenarios
Ce oxide nanoparticles are widely used in numerous surface coatings, however, their environmental fate and persistence is unclear.
In situ characterization of aggregates of nanoscale zero-valent iron (nZVI) in water: an engineering aspect
The study is the first work characterizing nZVI aggregates in water and provides essential data for practical applications of nZVI.
Screening of silver nanoparticles in antibacterial products by leveraging a silver nanowire membrane as a filter and amplifier
A filtration-based SERS platform was proposed to separate and analyse AgNPs in antibacterial products.
Engineered zinc oxide-based nanotherapeutics boost systemic antibacterial efficacy against phloem-restricted diseases
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 silicon particle-based courier promotes melatonin-mediated seed tolerance to nickel toxicity in rice
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.
Dissolution kinetics of citrate coated CoFe2O4 nanoparticles in soil solution
Citrate-coated CoFe2O4 nanoparticles release iron fertilizers in artificial root exudates following a Korsmeyer–Peppas dissolution model.
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.
Multifunctional dual emissive fluorescent probe based on europium-doped carbon dots (Eu-TCA/NCDs) for highly selective detection of chloramphenicol, Hg2+ and Fe3+
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.
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.
Interaction of pyrite with zerovalent iron with superior reductive ability via Fe(II) regeneration
Sulfidation of zero-valent iron (SZVI) emerged as a promising approach to enhance both the reactivity and selectivity of nano zero-valent iron (ZVI).
Decorporation of uranyl in kidneys using an engineered nanocomposite
A nanocomposite (COS-2LI-HOPO) is reported that can achieve decorporation of uranyl in kidneys and alleviation of oxidative stress with low cytotoxicity simultaneously.
Sulfolipid density dictates the extent of carbon nanodot interaction with chloroplast membranes
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).
Detection and detoxification of imidacloprid in food samples through ionic liquid-stabilized CuNi alloy nanoparticle-decorated multiwall carbon nanotubes
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.
Prediction of nanomagnetite stoichiometry (Fe(II)/Fe(III)) under contrasting pH and redox conditions
Magnetite nanoparticles are not chemically stable at pH < 7, which drastically affects their environmental behavior.
Emerging investigator series: hetero-phase junction 1T/2H-MoS2 nanosheets decorated by FeOOH nanoparticles for enhanced visible light photo-Fenton degradation of antibiotics
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.
Understanding trends in the mercury oxidation activity of single-atom catalysts
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.
Ligand removal energetics control CO2 electroreduction selectivity on atomically precise, ligated alloy nanoclusters
Atomically precise, thiolate-protected gold nanoclusters (TPNCs) exhibit remarkable catalytic performance for the electrochemical reduction of carbon dioxide (CO2R) to CO.
Robust route to photocatalytic nitrogen fixation mediated by capitalizing on defect-tailored InVO4 nanosheets
Nitrogen is efficiently converted into NH3 using oxygen-vacancy-modified InVO4 as a catalyst via a green and sustainable photocatalytic technique.
Combination of a nanocarrier delivery system with genetic manipulation further improves pesticide efficiency: a case study with chlorfenapyr
The combination of nanocarrier delivery and genetic manipulation significantly improves chlorfenapyr efficiency and has great potential for sustainable crop protection.
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.
About this collection
Here is a collection of recent Environmental Science: Nano articles which have been classified as ‘HOT articles’ due to receiving particularly high scores at peer review.