Themed collection Environmental Science: Nano Recent HOT Articles

201 items - Showing page 1 of 3
Communication

Natural organic matter facilitates formation and microbial methylation of mercury selenide nanoparticles

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

Graphical abstract: Natural organic matter facilitates formation and microbial methylation of mercury selenide nanoparticles
Communication

A novel and simple method for polyethylene terephthalate (PET) nanoparticle production

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.

Graphical abstract: A novel and simple method for polyethylene terephthalate (PET) nanoparticle production
Communication

Aggregation morphology is a key factor determining protein adsorption on graphene oxide and reduced graphene oxide nanomaterials

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

Graphical abstract: Aggregation morphology is a key factor determining protein adsorption on graphene oxide and reduced graphene oxide nanomaterials
From the themed collection: Environmental fate of nanomaterials
Open Access Paper

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.

Graphical abstract: Development of a novel cellulose foam augmented with candle-soot derived carbon nanoparticles for solar-powered desalination of brackish water
From the themed collection: Recent Open Access Articles
Paper

Multi-walled carbon nanotubes improve nitrogen use efficiency and nutritional quality in Brassica campestris

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.

Graphical abstract: Multi-walled carbon nanotubes improve nitrogen use efficiency and nutritional quality in Brassica campestris
Paper

Highly efficient photocatalytic degradation of the emerging pollutant ciprofloxacin via the rational design of a magnetic interfacial junction of mangosteen peel waste-derived 3D graphene hybrid material

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

Graphical abstract: Highly efficient photocatalytic degradation of the emerging pollutant ciprofloxacin via the rational design of a magnetic interfacial junction of mangosteen peel waste-derived 3D graphene hybrid material
Paper

Distribution, bioaccumulation, and trophic transfer of palladium-doped nanoplastics in a constructed freshwater ecosystem

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

Graphical abstract: Distribution, bioaccumulation, and trophic transfer of palladium-doped nanoplastics in a constructed freshwater ecosystem
Open Access Paper

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.

Graphical abstract: Towards an in silico integrated approach for testing and assessment of nanomaterials: from predicted indoor air concentrations to lung dose and biodistribution
From the themed collection: Recent Open Access Articles
Paper

Thermo-responsive polymer–black phosphorus nanocomposites for NIR-triggered bacterial capture and elimination

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

Graphical abstract: Thermo-responsive polymer–black phosphorus nanocomposites for NIR-triggered bacterial capture and elimination
Paper

Effects of polystyrene nanoplastics on the bioaccumulation, distribution and parental transfer of ethylhexyl salicylate

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.

Graphical abstract: Effects of polystyrene nanoplastics on the bioaccumulation, distribution and parental transfer of ethylhexyl salicylate
From the themed collection: Nano-bio interactions
Paper

Identification of the active site during CF4 hydrolytic decomposition over γ-Al2O3

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

Graphical abstract: Identification of the active site during CF4 hydrolytic decomposition over γ-Al2O3
From the themed collection: Environmental Remediation
Paper

Mechanisms of Escherichia coli inactivation during solar-driven photothermal disinfection

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.

Graphical abstract: Mechanisms of Escherichia coli inactivation during solar-driven photothermal disinfection
Paper

Improved anaerobic degradation of purified terephthalic acid wastewater by adding nanoparticles or co-substrates to facilitate the electron transfer process

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

Graphical abstract: Improved anaerobic degradation of purified terephthalic acid wastewater by adding nanoparticles or co-substrates to facilitate the electron transfer process
From the themed collection: Nanomaterial applications in water
Paper

A nanocarrier pesticide delivery system with promising benefits in the case of dinotefuran: strikingly enhanced bioactivity and reduced pesticide residue

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.

Graphical abstract: A nanocarrier pesticide delivery system with promising benefits in the case of dinotefuran: strikingly enhanced bioactivity and reduced pesticide residue
From the themed collection: Nano-bio interactions
Paper

Caterpillar-like Ag–ZnO–C hollow nanocomposites for efficient solar photocatalytic degradation and disinfection

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.

Graphical abstract: Caterpillar-like Ag–ZnO–C hollow nanocomposites for efficient solar photocatalytic degradation and disinfection
From the themed collection: Nanomaterial applications in water
Paper

Emerging investigator series: Molybdenum disulfide-enabled activated carbon - a multifunctional adsorbent for practical water treatment applications

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.

Graphical abstract: Emerging investigator series: Molybdenum disulfide-enabled activated carbon - a multifunctional adsorbent for practical water treatment applications
From the themed collection: Emerging Investigators Series
Paper

Molecular-scale study of Cr(VI) adsorption onto lepidocrocite facets by EXAFS, in situ ATR-FTIR, theoretical frequency calculations and DFT+U techniques

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).

Graphical abstract: Molecular-scale study of Cr(vi) adsorption onto lepidocrocite facets by EXAFS, in situ ATR-FTIR, theoretical frequency calculations and DFT+U techniques
From the themed collection: Environmental fate of nanomaterials
Paper

In situ synthesis of a GO/COFs composite with enhanced adsorption performance for organic pollutants in water

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

Graphical abstract: In situ synthesis of a GO/COFs composite with enhanced adsorption performance for organic pollutants in water
Paper

Boosting heterogeneous Fenton reactions for degrading organic dyes via the photothermal effect under neutral conditions

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

Graphical abstract: Boosting heterogeneous Fenton reactions for degrading organic dyes via the photothermal effect under neutral conditions
From the themed collection: Environmental Remediation
Paper

In situ observations of the occlusion of a clay-sugar compound within calcite

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

Graphical abstract: In situ observations of the occlusion of a clay-sugar compound within calcite
From the themed collection: Environmental fate of nanomaterials
Paper

Nanowell-enhanced Raman spectroscopy enables the visualization and quantification of nanoplastics in the environment

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.

Graphical abstract: Nanowell-enhanced Raman spectroscopy enables the visualization and quantification of nanoplastics in the environment
From the themed collection: Nanomaterial applications in water
Paper

Towards a broad-operation window for stable CO2 electroreduction to HCOOH by a design involving upcycling electroplating sludge-derived Sn@N/P-doped carbon

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.

Graphical abstract: Towards a broad-operation window for stable CO2 electroreduction to HCOOH by a design involving upcycling electroplating sludge-derived Sn@N/P-doped carbon
Paper

Particle size determines the accumulation of platinum nanoparticles in the estuarine amphipod, Leptocheirus plumulosus

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

Graphical abstract: Particle size determines the accumulation of platinum nanoparticles in the estuarine amphipod, Leptocheirus plumulosus
Paper

Phase-selective cellulose nanofibril-based oil gelling agent for oil spill recovery

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.

Graphical abstract: Phase-selective cellulose nanofibril-based oil gelling agent for oil spill recovery
Open Access Paper

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.

Graphical abstract: Gut-microbial adaptation and transformation of silver nanoparticles mediated the detoxification of Daphnia magna and their offspring
From the themed collection: Recent Open Access Articles
Paper

Exploring the entropy-driven amplification reaction and trans-cleavage activity of CRISPR-Cas12a for the development of an electrochemiluminescence biosensor for the detection of the SARS-CoV-2 RdRp gene in real samples and environmental surveillance

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.

Graphical abstract: Exploring the entropy-driven amplification reaction and trans-cleavage activity of CRISPR-Cas12a for the development of an electrochemiluminescence biosensor for the detection of the SARS-CoV-2 RdRp gene in real samples and environmental surveillance
From the themed collection: Nanomaterials in air
Open Access Paper

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.

Graphical abstract: Surface functionalisation-dependent adverse effects of metal nanoparticles and nanoplastics in zebrafish embryos
From the themed collection: Recent Open Access Articles
Paper

Interconnected N-doped MXene spherical shells for highly efficient capacitive deionization

Three-dimensional interconnected N-doped Ti3C2Tx hollow spherical shells with abundant accessible space exhibit excellent capacitive deionization performance in asymmetric electrode systems.

Graphical abstract: Interconnected N-doped MXene spherical shells for highly efficient capacitive deionization
From the themed collection: Nanomaterials in air
Paper

Bi2O3/TiO2@reduced graphene oxide with enzyme-like properties efficiently inactivates Pseudomonas syringae pv. tomato DC3000 and enhances abiotic stress tolerance in tomato

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.

Graphical abstract: Bi2O3/TiO2@reduced graphene oxide with enzyme-like properties efficiently inactivates Pseudomonas syringae pv. tomato DC3000 and enhances abiotic stress tolerance in tomato
From the themed collection: Nano-bio interactions
Open Access Paper

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.

Graphical abstract: Release of gold (Au), silver (Ag) and cerium dioxide (CeO2) nanoparticles from sewage sludge incineration ash
From the themed collection: Recent Open Access Articles
Paper

Rational design of pore structures for carbon aerogels to significantly increase adsorption of tetracycline from water using batch and fixed-bed operation

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.

Graphical abstract: Rational design of pore structures for carbon aerogels to significantly increase adsorption of tetracycline from water using batch and fixed-bed operation
Paper

Biotransformations and cytotoxicity of graphene and inorganic two-dimensional nanomaterials using simulated digestions coupled with a triculture in vitro model of the human gastrointestinal epithelium

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

Graphical abstract: Biotransformations and cytotoxicity of graphene and inorganic two-dimensional nanomaterials using simulated digestions coupled with a triculture in vitro model of the human gastrointestinal epithelium
From the themed collection: Nano-bio interactions
Paper

Do polystyrene nanoplastics aggravate the toxicity of single contaminants (okadaic acid)? Using AGS cells as a biological model

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.

Graphical abstract: Do polystyrene nanoplastics aggravate the toxicity of single contaminants (okadaic acid)? Using AGS cells as a biological model
Open Access Paper

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.

Graphical abstract: The bioaccumulation testing strategy for manufactured nanomaterials: physico-chemical triggers and read across from earthworms in a meta-analysis
From the themed collection: Recent Open Access Articles
Paper

A reliable procedure to obtain environmentally relevant nanoplastic proxies

More environmentally relevant nanoplastic models are urgently needed.

Graphical abstract: A reliable procedure to obtain environmentally relevant nanoplastic proxies
Paper

Dinotefuran nano-pesticide with enhanced valid duration and controlled release properties based on a layered double hydroxide nano-carrier

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.

Graphical abstract: Dinotefuran nano-pesticide with enhanced valid duration and controlled release properties based on a layered double hydroxide nano-carrier
Paper

Unravelling the facets-dependent behavior among H2O2, O3 and oxygen vacancies on CeOx and the promotion of peroxone reaction at under acidic conditions

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

Graphical abstract: Unravelling the facets-dependent behavior among H2O2, O3 and oxygen vacancies on CeOx and the promotion of peroxone reaction at under acidic conditions
Paper

Influential parameters of surface waters on the formation of coating on TiO2 nanoparticles under natural conditions

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.

Graphical abstract: Influential parameters of surface waters on the formation of coating on TiO2 nanoparticles under natural conditions
From the themed collection: Environmental fate of nanomaterials
Paper

Species-dependent eco-corona dictates the aggregation of black phosphorus nanosheets: the role of protein and calcium

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+).

Graphical abstract: Species-dependent eco-corona dictates the aggregation of black phosphorus nanosheets: the role of protein and calcium
From the themed collection: Environmental fate of nanomaterials
Paper

Graphene oxide–acaricide nanocomposites advance acaricidal activity of acaricides against Tetranychus cinnabarinus by directly inhibiting the transcription of a cuticle protein gene

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.

Graphical abstract: Graphene oxide–acaricide nanocomposites advance acaricidal activity of acaricides against Tetranychus cinnabarinus by directly inhibiting the transcription of a cuticle protein gene
From the themed collection: Nano-bio interactions
Paper

Interaction of beta-lactoglobulin and bovine serum albumin with iron oxide (α-Fe2O3) nanoparticles in the presence and absence of pre-adsorbed phosphate

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.

Graphical abstract: Interaction of beta-lactoglobulin and bovine serum albumin with iron oxide (α-Fe2O3) nanoparticles in the presence and absence of pre-adsorbed phosphate
From the themed collection: Nano-bio interactions
Paper

Highly efficient capacitive deionization of brackish water with manganese vanadate nanorod decorated reduced graphene oxide electrode

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.

Graphical abstract: Highly efficient capacitive deionization of brackish water with manganese vanadate nanorod decorated reduced graphene oxide electrode
From the themed collection: Nanomaterial applications in water
Paper

Nanoscale imaging of the simultaneous occlusion of nanoplastics and glyphosate within soil minerals

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.

Graphical abstract: Nanoscale imaging of the simultaneous occlusion of nanoplastics and glyphosate within soil minerals
From the themed collection: Environmental fate of nanomaterials
Paper

Fragmentation of nanoplastics driven by plant–microbe rhizosphere interaction during abiotic stress combination

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

Graphical abstract: Fragmentation of nanoplastics driven by plant–microbe rhizosphere interaction during abiotic stress combination
Paper

Nano-based soil conditioners eradicate micronutrient deficiency: soil physicochemical properties and plant molecular responses

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

Graphical abstract: Nano-based soil conditioners eradicate micronutrient deficiency: soil physicochemical properties and plant molecular responses
Paper

Emerging investigator series: examination of the gastrointestinal lipidome of largemouth bass exposed to dietary single-walled carbon nanotubes

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.

Graphical abstract: Emerging investigator series: examination of the gastrointestinal lipidome of largemouth bass exposed to dietary single-walled carbon nanotubes
From the themed collection: Emerging Investigators Series
Paper

Evanescent wave interactions with nanoparticles on optical fiber modulate side emission of germicidal ultraviolet light

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.

Graphical abstract: Evanescent wave interactions with nanoparticles on optical fiber modulate side emission of germicidal ultraviolet light
Paper

A bio-based metal–organic aerogel (MOA) adsorbent for capturing tetracycline from aqueous solution

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.

Graphical abstract: A bio-based metal–organic aerogel (MOA) adsorbent for capturing tetracycline from aqueous solution
From the themed collection: Nanomaterial applications in water
Paper

Understanding the toxicity mechanism of CuO nanoparticles: the intracellular view of exposed earthworm cells

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.

Graphical abstract: Understanding the toxicity mechanism of CuO nanoparticles: the intracellular view of exposed earthworm cells
Paper

One-step fabrication of bimetallic CuCoOS as an efficient catalyst for Cr(VI) reduction

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.

Graphical abstract: One-step fabrication of bimetallic CuCoOS as an efficient catalyst for Cr(vi) reduction
From the themed collection: Nanomaterial applications in water
Paper

Natural organic matter adsorption conditions influence photocatalytic reaction pathways of phosphate-treated titanium dioxide nanoparticles

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

Graphical abstract: Natural organic matter adsorption conditions influence photocatalytic reaction pathways of phosphate-treated titanium dioxide nanoparticles
From the themed collection: Nanomaterial applications in water
Paper

Extracellular interactions between graphene nanosheets and E-cadherin

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

Graphical abstract: Extracellular interactions between graphene nanosheets and E-cadherin
From the themed collection: Nano-bio interactions
Paper

Particulate matter aggravates Alzheimer's disease by activating the NLRP3 inflammasome to release ASC specks

PM2.5 activated the NLRP3 inflammasome to release ASC specks and interact with the Aβ monomer to induce Aβ aggregation, further inducing AD.

Graphical abstract: Particulate matter aggravates Alzheimer's disease by activating the NLRP3 inflammasome to release ASC specks
From the themed collection: Nanomaterials in air
Paper

3D-ordered honeycomb-like nitrogen-doped micro–mesoporous carbon for brackish water desalination using capacitive deionization

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

Graphical abstract: 3D-ordered honeycomb-like nitrogen-doped micro–mesoporous carbon for brackish water desalination using capacitive deionization
From the themed collection: Nanomaterial applications in water
Paper

Promoting the uptake of chloride ions by ZnCo–Cl layered double hydroxide electrodes for enhanced capacitive deionization

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

Graphical abstract: Promoting the uptake of chloride ions by ZnCo–Cl layered double hydroxide electrodes for enhanced capacitive deionization
From the themed collection: Nanomaterial applications in water
Paper

Dissolution-based uptake of CeO2 nanoparticles by freshwater shrimp – a dual-radiolabelling study of the fate of anthropogenic cerium in water organisms

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

Graphical abstract: Dissolution-based uptake of CeO2 nanoparticles by freshwater shrimp – a dual-radiolabelling study of the fate of anthropogenic cerium in water organisms
From the themed collection: Environmental fate of nanomaterials
Paper

Polymer-coated TiO2 nanoparticles bioaccumulate, immunoactivate and suppress pathogenic Mycobacterium chelonae clearance when intravenously injected into goldfish (Carassius auratus L.)

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.

Graphical abstract: Polymer-coated TiO2 nanoparticles bioaccumulate, immunoactivate and suppress pathogenic Mycobacterium chelonae clearance when intravenously injected into goldfish (Carassius auratus L.)
From the themed collection: Nanomaterials in air
Paper

Oxygen vacancy-dependent photocatalytic activity of well-defined Bi2Sn2O7−x hollow nanocubes for NOx removal

Bi2Sn2O7−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.

Graphical abstract: Oxygen vacancy-dependent photocatalytic activity of well-defined Bi2Sn2O7−x hollow nanocubes for NOx removal
From the themed collection: Nanomaterials in air
Paper

Long-term effects of TBBPA-contaminated pyrogenic organic matter under abiotic aging: insights on immobilization capacity, surface functionality correlation, and phytotoxicity to Thinopyrum ponticum

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.

Graphical abstract: Long-term effects of TBBPA-contaminated pyrogenic organic matter under abiotic aging: insights on immobilization capacity, surface functionality correlation, and phytotoxicity to Thinopyrum ponticum
Paper

Reciprocal redox interactions of lithium cobalt oxide nanoparticles with nicotinamide adenine dinucleotide (NADH) and glutathione (GSH): toward a mechanistic understanding of nanoparticle-biological interactions

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.

Graphical abstract: Reciprocal redox interactions of lithium cobalt oxide nanoparticles with nicotinamide adenine dinucleotide (NADH) and glutathione (GSH): toward a mechanistic understanding of nanoparticle-biological interactions
Paper

Inhibition mechanism of green-synthesized copper oxide nanoparticles from Cassia fistula towards Fusarium oxysporum by boosting growth and defense response in tomatoes

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

Graphical abstract: Inhibition mechanism of green-synthesized copper oxide nanoparticles from Cassia fistula towards Fusarium oxysporum by boosting growth and defense response in tomatoes
Paper

Rational design of a FRET-based nanoprobe of gold-conjugated carbon dots for simultaneous monitoring and disruption of Pseudomonas aeruginosa biofilm through selective detection of virulence factor pyocyanin

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

Graphical abstract: Rational design of a FRET-based nanoprobe of gold-conjugated carbon dots for simultaneous monitoring and disruption of Pseudomonas aeruginosa biofilm through selective detection of virulence factor pyocyanin
From the themed collection: Nano-bio interactions
Paper

Porous g-C3N4/TiO2 foam photocatalytic filter for treating NO indoor gas

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

Graphical abstract: Porous g-C3N4/TiO2 foam photocatalytic filter for treating NO indoor gas
From the themed collection: Nanomaterials in air
Open Access Paper

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.

Graphical abstract: Environmentally relevant concentrations of titanium dioxide nanoparticles pose negligible risk to marine microbes
From the themed collection: Recent Open Access Articles
Paper

Insight into bicarbonate involved efficient heterogeneous Fenton-like degradation of sulfamethoxazole over a CuFeO2 based composite under alkaline conditions

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

Graphical abstract: Insight into bicarbonate involved efficient heterogeneous Fenton-like degradation of sulfamethoxazole over a CuFeO2 based composite under alkaline conditions
Paper

Food-grade titanium dioxide particles decrease the bioaccessibility of iron released from spinach leaves in simulated human gastrointestinal tract

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.

Graphical abstract: Food-grade titanium dioxide particles decrease the bioaccessibility of iron released from spinach leaves in simulated human gastrointestinal tract
Paper

Self-indicating and high-capacity mesoporous aerogel-based biosorbent fabricated from cellulose and chitosan via co-dissolution and regeneration for removing formaldehyde from indoor air

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

Graphical abstract: Self-indicating and high-capacity mesoporous aerogel-based biosorbent fabricated from cellulose and chitosan via co-dissolution and regeneration for removing formaldehyde from indoor air
From the themed collection: Nanomaterials in air
Open Access Paper

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.

Graphical abstract: Emerging investigator series: automated single-nanoparticle quantification and classification: a holistic study of particles into and out of wastewater treatment plants in Switzerland
From the themed collection: Recent Open Access Articles
Paper

Preparation and characterization of multifunctional nanofibers containing metal–organic frameworks and Cu2O nanoparticles: particulate matter capture and antibacterial activity

Protection from particulate matter (PM10 and PM2.5) and microorganisms using MOFs (metal–organic frameworks) and nanoparticles used in filtration has been a major challenge.

Graphical abstract: Preparation and characterization of multifunctional nanofibers containing metal–organic frameworks and Cu2O nanoparticles: particulate matter capture and antibacterial activity
From the themed collection: Nanomaterials in air
Paper

Enhanced water purification via redox interfaces created by an atomic layer deposition strategy

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

Graphical abstract: Enhanced water purification via redox interfaces created by an atomic layer deposition strategy
201 items - Showing page 1 of 3

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.

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