Themed collection Nanomaterials in air

170 items - Showing page 1 of 3
Perspective

Perspectives on palladium-based nanomaterials: green synthesis, ecotoxicity, and risk assessment

By comprehensively analyzing and discussing the application progress, environmental behavior and ecotoxicology of palladium-based nanomaterials (Pd-NMs), guidelines are provided for the sustainable development of Pd-NMs.

Graphical abstract: Perspectives on palladium-based nanomaterials: green synthesis, ecotoxicity, and risk assessment
Frontier

Water purification: oil–water separation by nanotechnology and environmental concerns

Organic pollutants from synthetic organic compounds (SOCs) and oil spills have led to significant water contamination. This article review the progress of oil–water separation using nanotechnology and the concern of water contamination by nanomaterials.

Graphical abstract: Water purification: oil–water separation by nanotechnology and environmental concerns
From the themed collection: Nanomaterials in air
Frontier

Carcinogenic potential of high aspect ratio carbon nanomaterials

Review of recent advances in nanomaterial genotoxicity and carcinogenicity with a focus on lung carcinogenicity of high aspect ratio carbon nanotubes.

Graphical abstract: Carcinogenic potential of high aspect ratio carbon nanomaterials
From the themed collection: Nanomaterials in air
Tutorial Review

Adsorption and desorption mechanism of aromatic VOCs onto porous carbon adsorbents for emission control and resource recovery: recent progress and challenges

This review highlights the characteristics of adsorption and desorption of aromatic VOCs on various PCAs as well as the integrated technologies for emission control and resource recovery of industrial VOC exhaust.

Graphical abstract: Adsorption and desorption mechanism of aromatic VOCs onto porous carbon adsorbents for emission control and resource recovery: recent progress and challenges
Tutorial Review

Metal nanoparticles in the air: state of the art and future perspectives

Nanoparticles containing metals in their structure constitute an increasingly large group of substances present in the air.

Graphical abstract: Metal nanoparticles in the air: state of the art and future perspectives
From the themed collection: Environmental fate of nanomaterials
Open Access Tutorial Review

Metal–organic framework-based nanomaterials for adsorption and photocatalytic degradation of gaseous pollutants: recent progress and challenges

Design and engineering of metal–organic frameworks for the adsorption/degradation of inorganic toxic gases, organic vapors and particulate matter.

Graphical abstract: Metal–organic framework-based nanomaterials for adsorption and photocatalytic degradation of gaseous pollutants: recent progress and challenges
From the themed collection: Nanomaterials in air
Tutorial Review

Emerging investigator series: interactions of engineered nanomaterials with the cell plasma membrane; what have we learned from membrane models?

Various membrane models used to study nanoparticle interactions with the cell plasma membrane.

Graphical abstract: Emerging investigator series: interactions of engineered nanomaterials with the cell plasma membrane; what have we learned from membrane models?
From the themed collection: Nanomaterials in air
Tutorial Review

Cell type specific cytoskeleton disruption induced by engineered nanoparticles

One of the main concerns regarding nanomaterials is the cytotoxicity caused by engineered nanoparticles (NPs) after inhalation, oral or dermal routes of exposure, intravenous application, and delivery as debris from implants.

Graphical abstract: Cell type specific cytoskeleton disruption induced by engineered nanoparticles
From the themed collection: Nanomaterials in air
Critical Review

Boosting CO2 electroreduction towards C2+ products via CO* intermediate manipulation on copper-based catalysts

An overview of the strategies for boosting C2+ selectivity by manipulating CO*(CO).

Graphical abstract: Boosting CO2 electroreduction towards C2+ products via CO* intermediate manipulation on copper-based catalysts
Critical Review

A critical review on surface-modified nano-catalyst application for the photocatalytic degradation of volatile organic compounds

Surface modified nano-catalysts to improve the performance of photocatalytic degradation of VOC.

Graphical abstract: A critical review on surface-modified nano-catalyst application for the photocatalytic degradation of volatile organic compounds
Critical Review

Dimension dependency of tungsten oxide for efficient gas sensing

In this review, the impact of the structure dimensionality and surface morphologies of WO3 for efficient detection of gases such as H2, NH3, H2S, CO, O3, VOCs etc. along with the influence of surface functionalization and doping has been discussed.

Graphical abstract: Dimension dependency of tungsten oxide for efficient gas sensing
Critical Review

Recent advances in metal/ceria catalysts for air pollution control: mechanism insight and application

This work discussed the structure–activity relationship of metal/CeO2 catalysts, emphasized the theoretical calculation for catalytic mechanism insight and guiding the design of high-efficiency metal/CeO2 catalysts for air pollution control.

Graphical abstract: Recent advances in metal/ceria catalysts for air pollution control: mechanism insight and application
From the themed collection: Nanomaterials in air
Critical Review

Graphdiyne: an emerging two-dimensional (2D) carbon material for environmental remediation

This review highlights recent and important advances related to the structure properties and application of graphdiyne (GDY)-based nanocomposites for environmental remediation.

Graphical abstract: Graphdiyne: an emerging two-dimensional (2D) carbon material for environmental remediation
Critical Review

Room-temperature formaldehyde catalytic decomposition

The necessity, basic strategies and mechanisms for HCHO room-temperature catalytic oxidation removal are summarized and discussed.

Graphical abstract: Room-temperature formaldehyde catalytic decomposition
From the themed collection: Nanomaterials in air
Critical Review

Interplay between engineered nanomaterials and microbiota

Engineered nanomaterials (ENM) have a potential to modulate microbiota and induce harmful or beneficial effects in the host. However, the causal factors of ENM-induced dysbiosis remain unknown.

Graphical abstract: Interplay between engineered nanomaterials and microbiota
From the themed collection: Nano-bio interactions
Critical Review

Critical role of water stability in metal–organic frameworks and advanced modification strategies for the extension of their applicability

Metal–organic frameworks (MOFs) are well known for their versatile applications in diverse fields (e.g., gas adsorption, water purification, sensing, drug delivery, and catalysis).

Graphical abstract: Critical role of water stability in metal–organic frameworks and advanced modification strategies for the extension of their applicability
From the themed collection: Nanomaterials in air
Open Access Critical Review

The rise of the nanomaterial metabolite corona, and emergence of the complete corona

Metabolites present in the corona may play a key role in biological recognition of nanomaterials yet remain a much-overlooked aspect of the corona.

Graphical abstract: The rise of the nanomaterial metabolite corona, and emergence of the complete corona
From the themed collection: Nanomaterials in air
Critical Review

Status and challenges in photocatalytic nanotechnology for cleaning air polluted with volatile organic compounds: visible light utilization and catalyst deactivation

Photocatalysis that utilizes semiconductor nanoparticles is one of the promising environmental technology for air purification.

Graphical abstract: Status and challenges in photocatalytic nanotechnology for cleaning air polluted with volatile organic compounds: visible light utilization and catalyst deactivation
From the themed collection: Nanomaterials in air
Critical Review

Emerging investigator series: connecting concepts of coinage metal stability across length scales

Materials with different dimensions can exhibit markedly different responses to their environment, even for the same material composition.

Graphical abstract: Emerging investigator series: connecting concepts of coinage metal stability across length scales
From the themed collection: Nanomaterials in air
Open Access Critical Review

Environmental transformation of natural and engineered carbon nanoparticles and implications for the fate of organic contaminants

Environmental transformations of natural and engineered carbon nanoparticles significantly affect their fate, transport, and interactions with organic contaminants.

Graphical abstract: Environmental transformation of natural and engineered carbon nanoparticles and implications for the fate of organic contaminants
From the themed collection: Nanomaterials in air
Critical Review

Intelligent environmental nanomaterials

We offer a comprehensive overview for the design concepts and latest progresses on the intelligent environmental nanomaterials.

Graphical abstract: Intelligent environmental nanomaterials
From the themed collection: Nanomaterials in air
Open Access Critical Review

Towards understanding the antibacterial activity of Ag nanoparticles: electron microscopy in the analysis of the materials-biology interface in the lung

Bacterial infections of the pulmonary system are increasing.

Graphical abstract: Towards understanding the antibacterial activity of Ag nanoparticles: electron microscopy in the analysis of the materials-biology interface in the lung
From the themed collection: Nanomaterials in air
Critical Review

The yin: an adverse health perspective of nanoceria: uptake, distribution, accumulation, and mechanisms of its toxicity

This critical review identifies nanoceria's pharmacokinetics and adverse effects, discloses uncertainties and unknowns, and makes recommendations to address research gaps.

Graphical abstract: The yin: an adverse health perspective of nanoceria: uptake, distribution, accumulation, and mechanisms of its toxicity
From the themed collection: Nanomaterials in air
Critical Review

Recent advances in BiOX (X = Cl, Br and I) photocatalysts: synthesis, modification, facet effects and mechanisms

This review gives an overview of the applications of BiOX (X = Cl, Br and I) photocatalysts for environmental remediation.

Graphical abstract: Recent advances in BiOX (X = Cl, Br and I) photocatalysts: synthesis, modification, facet effects and mechanisms
From the themed collection: Nanomaterials in air
Communication

Nano-dry-salt deposition on electret nonwoven confers anticoronaviral effect while retaining aerosol filtration performance

Direct deposition of nano-dry-salt on nonwovens was developed as a process that can be incorporated into conventional nonwoven production for timely application of biosafe anticoronaviral surfaces and reliable aerosol filtration performance.

Graphical abstract: Nano-dry-salt deposition on electret nonwoven confers anticoronaviral effect while retaining aerosol filtration performance
Communication

Ageing remarkably alters the toxicity of carbon black particles towards susceptible cells: determined by differential changes of surface oxygen groups

Ageing process remarkably alters the toxicity of carbon black particles towards susceptible cells via changing the species of their surface oxygen groups.

Graphical abstract: Ageing remarkably alters the toxicity of carbon black particles towards susceptible cells: determined by differential changes of surface oxygen groups
Communication

RGO-functionalized polymer nanofibrous membrane with exceptional surface activity and ultra-low airflow resistance for PM2.5 filtration

RGO-functionalized polymer nanofibrous membrane is developed through an electrospinning technique, which exhibits the exceptional surface activity and ultra-low airflow resistance for PM2.5 filtration.

Graphical abstract: RGO-functionalized polymer nanofibrous membrane with exceptional surface activity and ultra-low airflow resistance for PM2.5 filtration
From the themed collection: Nanomaterials in air
Communication

A method for the preservation and determination of welding fume nanoparticles in exhaled breath condensate

Analysis of exhaled breath condensate (EBC) represents a non-invasive method for detecting inhaled nanoparticles (NPs) associated with various occupational and environmental exposures.

Graphical abstract: A method for the preservation and determination of welding fume nanoparticles in exhaled breath condensate
From the themed collection: Nanomaterials in air
Paper

Nylon fabric coated with a silver nanowire network covered by graphene oxide sheets serves as an electrostatic air filter for highly efficient particulate matter removal

The network of silver nanowires coated with graphene oxide sheets, which are deposited on nylon fabric, will offer valuable information pertaining to the development of an electrostatic air filter for solving air pollution.

Graphical abstract: Nylon fabric coated with a silver nanowire network covered by graphene oxide sheets serves as an electrostatic air filter for highly efficient particulate matter removal
From the themed collection: Nanomaterials in air
Paper

The heterogeneous reactions of toluene/O3/NH3 on hematite nanoparticles: the impact of light illumination on organic ammonium salt formation

The intensity of light illumination played an important role in the formation of organic ammonium salts on nano-hematite.

Graphical abstract: The heterogeneous reactions of toluene/O3/NH3 on hematite nanoparticles: the impact of light illumination on organic ammonium salt formation
From the themed collection: Nanomaterials in air
Paper

Efficient and stable CF4 decomposition over θ-Al2O3 with extraordinary resistance to HF

Regulating Al2O3 to θ phase is an effective method for enhancing the stability of CF4 decomposition.

Graphical abstract: Efficient and stable CF4 decomposition over θ-Al2O3 with extraordinary resistance to HF
From the themed collection: Nanomaterials in air
Paper

Experimental and DFT investigations on adsorption–regeneration performance and deactivation mechanism over engineered carbon fiber: role of pore structure and functional groups

Technology based on adsorption of porous carbon is a promising and cost-effective strategy for the recovery of high-value volatile organic compounds (VOCs) or removal of worthless VOCs.

Graphical abstract: Experimental and DFT investigations on adsorption–regeneration performance and deactivation mechanism over engineered carbon fiber: role of pore structure and functional groups
From the themed collection: Nanomaterials in air
Paper

Pure metallic nanofibrillar membrane for high-performance electrostatic air filtration with antimicrobial and reusable characteristics

We introduce a metallic high-efficiency particulate air (HEPA) filter based on a Cu nanofiber membrane, which grasps particulate matters physically and electrostatically. The filter also shows excellent antimicrobial property and reusability.

Graphical abstract: Pure metallic nanofibrillar membrane for high-performance electrostatic air filtration with antimicrobial and reusable characteristics
From the themed collection: Nanomaterials in air
Paper

Cation substitution effects (Mn, Ni, and Zn) on ZIF-67 derived spinel modified with 3DGO for the detection of NO2 gas with high sensitivity and selectivity

Detailed cation substitution studies of MCo2O4 (M = Mn, Ni, Zn) spinel structures supported on 3D graphene oxide via solvothermal method have been carried out and used as a highly sensitive and selective NO2 gas sensor at room temperature.

Graphical abstract: Cation substitution effects (Mn, Ni, and Zn) on ZIF-67 derived spinel modified with 3DGO for the detection of NO2 gas with high sensitivity and selectivity
From the themed collection: Nanomaterials in air
Paper

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.

Graphical abstract: The role of cationic defects in boosted lattice oxygen activation during toluene total oxidation over nano-structured CoMnOx spinel
Paper

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.

Graphical abstract: Catalytic oxidation of formaldehyde over a Au@Co3O4 nanocomposite catalyst enhanced by visible light: moisture indispensability and reaction mechanism
Paper

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.

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

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.

Graphical abstract: Raspberry-like TiO2 hollow spheres consisting of small nanocrystals towards efficient NO removal
Paper

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.

Graphical abstract: 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)
Open Access Paper

Characterization of nano-scale mineral dust aerosols in snow by single particle inductively coupled plasma mass spectrometry

Mineral dust aerosols in snow were analyzed by single particle ICP-MS with machine learning to classify particle groups.

Graphical abstract: Characterization of nano-scale mineral dust aerosols in snow by single particle inductively coupled plasma mass spectrometry
From the themed collection: Recent Open Access Articles
Paper

Significant impacts of NO2 and NH3 on the sulfate formations on the surface of nano MgO particles in a smog chamber

NO2 played an important positive or negative role in SO2 heterogeneous reactions, however, NH3 always exerted significant positive impacts on SO2 heterogeneous reactions in the three reaction systems of SO2–MgO-dark, SO2–MgO- and SO2–MgO–O3.

Graphical abstract: Significant impacts of NO2 and NH3 on the sulfate formations on the surface of nano MgO particles in a smog chamber
From the themed collection: Nanomaterials in air
Paper

Constructing active copper species in Cu-zeolites for coal-gas-SCR and elucidating the synergistic catalytic function of CuO and Cu2+ ion species

Cu-ZSM-5-IE+CP exhibited excellent catalytic performance as a result of the synergistic effect between CuO and Cu2+ species.

Graphical abstract: Constructing active copper species in Cu-zeolites for coal-gas-SCR and elucidating the synergistic catalytic function of CuO and Cu2+ ion species
From the themed collection: Nanomaterials in air
Paper

Gas-phase photoelectrocatalytic oxidation of volatile organic compounds using defective WO3/TiO2 nanotubes mesh

A ducted GPEC reactor equipped with defective WO3/TiO2 nanotube photoelectrodes was developed for VOC removal. Applying a tiny bias voltage promoted rapid carrier transfer and inhibited the recombination of carriers trapped by the bulk OVs.

Graphical abstract: Gas-phase photoelectrocatalytic oxidation of volatile organic compounds using defective WO3/TiO2 nanotubes mesh
From the themed collection: Nanomaterials in air
Paper

SO2-Tolerant catalytic reduction of NOx by confining active species in TiO2 nanotubes

SO2-Tolerant catalytic reduction of NOx was demonstrated by confining active species in TiO2 nanotubes.

Graphical abstract: SO2-Tolerant catalytic reduction of NOx by confining active species in TiO2 nanotubes
From the themed collection: Nanomaterials in air
Paper

Near-infrared light induced adsorption–desorption cycle for VOC recovery by integration of metal–organic frameworks with graphene oxide nanosheets

A photodynamic GO@MIL-101 adsorbent was presented by growing several isolated MIL-101 nanoparticles onto GO nanosheets, which was able to realize the complete desorption of VOCs within 60 min under UV-vis-NIR light irradiation.

Graphical abstract: Near-infrared light induced adsorption–desorption cycle for VOC recovery by integration of metal–organic frameworks with graphene oxide nanosheets
From the themed collection: Nanomaterials in air
Paper

Antagonistic role of Al3+ against PM2.5-induced neurotoxicity via suppression of NADPH oxidase-triggered oxidative stress

The relationship between PM2.5 compositions and neuron toxicity was explored and Al3+ was revealed to be antagonistic to other pollutants by decreasing the combined toxic effects.

Graphical abstract: Antagonistic role of Al3+ against PM2.5-induced neurotoxicity via suppression of NADPH oxidase-triggered oxidative stress
From the themed collection: Nanomaterials in air
Paper

A theoretical perspective on the structure and thermodynamics of secondary organic aerosols from toluene: molecular hierarchical synergistic effects

The molecular hierarchical synergistic effects of toluene photooxidation are elucidated to explain the formation mechanism of secondary organic aerosols.

Graphical abstract: A theoretical perspective on the structure and thermodynamics of secondary organic aerosols from toluene: molecular hierarchical synergistic effects
From the themed collection: Nanomaterials in air
Paper

The photocatalytic NO-removal activity of g-C3N4 significantly enhanced by the synergistic effect of Pd0 nanoparticles and N vacancies

Pd0 and N vacancy co-modified g-C3N4 displayed excellent NO-removal activity.

Graphical abstract: The photocatalytic NO-removal activity of g-C3N4 significantly enhanced by the synergistic effect of Pd0 nanoparticles and N vacancies
From the themed collection: Nanomaterials in air
Paper

Identification and quantification of anthropogenic nanomaterials in urban rain and runoff using single particle-inductively coupled plasma-time of flight-mass spectrometry

Urban rain and runoff are potential sources of anthropogenic nanomaterials (engineered and incidental, ENMs and INMs) to receiving waterbodies.

Graphical abstract: Identification and quantification of anthropogenic nanomaterials in urban rain and runoff using single particle-inductively coupled plasma-time of flight-mass spectrometry
From the themed collection: Nanomaterials in air
Paper

Identifying the Fe3Mn3O8 phase as a superior catalyst for low-temperature catalytic oxidation of formaldehyde in air

Fe3Mn3O8 with controllable oxygen vacancies for superior catalytic oxidation of formaldehyde.

Graphical abstract: Identifying the Fe3Mn3O8 phase as a superior catalyst for low-temperature catalytic oxidation of formaldehyde in air
From the themed collection: Nanomaterials in air
Paper

Six-week inhalation of lead oxide nanoparticles in mice affects antioxidant defense, immune response, kidneys, intestine and bones

Inhalation of PbO nanoparticles in mice has adverse effects on immune response, oxidative stress, antioxidative defense, kidneys, intestine and bones.

Graphical abstract: Six-week inhalation of lead oxide nanoparticles in mice affects antioxidant defense, immune response, kidneys, intestine and bones
From the themed collection: Nanomaterials in air
Paper

Traffic-derived magnetite pollution in soils along a highway on the Tibetan Plateau

Remarkably high levels of magnetite nanoparticle pollution derived from traffic in the roadside environment represent a significant health risk factor.

Graphical abstract: Traffic-derived magnetite pollution in soils along a highway on the Tibetan Plateau
From the themed collection: Nanomaterials in air
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
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
Paper

Photocatalytic reactive oxygen species generation activity of TiO2 improved by the modification of persistent free radicals

EPFRs can improve ˙OH generation via the h+ oxidation. This is because EPFRs construct a built-in electric field to help the migration of h+ from anatase to EPFRs. Meanwhile, EPFRs help anatase adsorb more H2O molecules, which are the source of ˙OH.

Graphical abstract: Photocatalytic reactive oxygen species generation activity of TiO2 improved by the modification of persistent free radicals
From the themed collection: Nanomaterials in air
Open Access Paper

Microbial response to copper oxide nanoparticles in soils is controlled by land use rather than copper fate

Microbial response to copper oxide nanoparticles in soils is controlled by land use rather than copper fate.

Graphical abstract: Microbial response to copper oxide nanoparticles in soils is controlled by land use rather than copper fate
From the themed collection: Recent Open Access Articles
Paper

Atomically dispersed Pd sites on Ti-SBA-15 for efficient catalytic combustion of typical gaseous VOCs

An atomically dispersed Pd site catalyst with 0.04 wt% Pd loading amount has been prepared for catalytic combustion of typical gaseous VOCs with high catalytic activity and stability.

Graphical abstract: Atomically dispersed Pd sites on Ti-SBA-15 for efficient catalytic combustion of typical gaseous VOCs
From the themed collection: Nanomaterials in air
Paper

Humidity reduction by using hetero-layered metal–organic framework nanosheet composites as hygroscopic materials

A super hygroscopic material with functionalities of humidity capture, in situ liquefaction, and fast water release triggered by natural sunlight, has been prepared, providing a good strategy for next-generation atmospheric water generators.

Graphical abstract: Humidity reduction by using hetero-layered metal–organic framework nanosheet composites as hygroscopic materials
From the themed collection: Nanomaterials in air
Paper

CNC/AgNP hybrids as safer-by-design biocides in paints

An efficient biocidal paint is prepared. Antibacterial activity is provided by silver nanoparticles (AgNPs) nucleated on a bio-based substrate (cellulose nanocrystals, CNCs), dispersed in an amount as low as possible in aqueous suspension.

Graphical abstract: CNC/AgNP hybrids as safer-by-design biocides in paints
From the themed collection: Nanomaterials in air
Paper

Insights into a “seesaw effect” between reducibility and hydrophobicity induced by cobalt doping: influence on OMS-2 nanomaterials for catalytic degradation of carcinogenic benzene

We combined both theoretical and experimental evidence to demonstrate a “seesaw effect” between reducibility and hydrophobicity after introduction of cobalt into the OMS-2 structure.

Graphical abstract: Insights into a “seesaw effect” between reducibility and hydrophobicity induced by cobalt doping: influence on OMS-2 nanomaterials for catalytic degradation of carcinogenic benzene
From the themed collection: Nanomaterials in air
Paper

Antifouling sandwich-structured electrospun nanofibrous membranes by integrating fluffy and hydrophobic layers for long-term airborne particulate matter segregation

Schematic illustration of the sandwich-structured membrane with long-term antifouling performance for personal protection.

Graphical abstract: Antifouling sandwich-structured electrospun nanofibrous membranes by integrating fluffy and hydrophobic layers for long-term airborne particulate matter segregation
From the themed collection: Nanomaterials in air
Paper

Gold nanorod self-assembly on a quartz crystal microbalance: an enhanced mercury vapor sensor

The developed Au-NR based gas sensor showed up to ∼1.7 times higher response magnitude than its Au CTRL counterpart when exposed toward elemental mercury (Hg0) vapor. Furthermore, the newly developed sensor also showed good selectivity toward Hg0.

Graphical abstract: Gold nanorod self-assembly on a quartz crystal microbalance: an enhanced mercury vapor sensor
From the themed collection: Nanomaterials in air
Paper

A highly dispersed Co–Fe bimetallic catalyst to activate peroxymonosulfate for VOC degradation in a wet scrubber

This work synthesized a highly dispersed Co–Fe bimetallic catalyst with uncalcined SBA-15 as the support, which was very efficient for PMS activation and gaseous toluene degradation in the wet scrubbing waste gas treatment system.

Graphical abstract: A highly dispersed Co–Fe bimetallic catalyst to activate peroxymonosulfate for VOC degradation in a wet scrubber
From the themed collection: Nanomaterials in air
Paper

Significant differences of NH3-SCR performances between monoclinic and hexagonal WO3 on Ce-based catalysts

Compared with that of WO3-monoclinic (W-m), the special open structure of WO3-hexagonal (W-h) facilitates the interaction between W-h and Ce as well as improves the acidity and redox properties of Ce–W-h, reflecting its excellent NH3-SCR activity.

Graphical abstract: Significant differences of NH3-SCR performances between monoclinic and hexagonal WO3 on Ce-based catalysts
From the themed collection: Nanomaterials in air
Paper

Ultraviolet-induced photodegradation elevated the toxicity of polystyrene nanoplastics on human lung epithelial A549 cells

UV-induced photodegradation posed greater cytotoxicity, as clearly evidenced by the impaired cell viability, stronger oxidative stress, serious membrane damage, intensive mitochondrial dysfunction, and the altered transcriptome responses.

Graphical abstract: Ultraviolet-induced photodegradation elevated the toxicity of polystyrene nanoplastics on human lung epithelial A549 cells
From the themed collection: Nanomaterials in air
Paper

Boosting the photocatalytic degradation of ethyl acetate by a Z-scheme Au–TiO2@NH2-UiO-66 heterojunction with ultrafine Au as an electron mediator

A Z-scheme Au–TiO2@NH2-UiO-66 photocatalyst with ultrafine Au as electron mediator was synthesized, which exhibited an exceptionally high mineralization efficiency of 85% at 94.6% ethyl acetate removal under visible light irradiation.

Graphical abstract: Boosting the photocatalytic degradation of ethyl acetate by a Z-scheme Au–TiO2@NH2-UiO-66 heterojunction with ultrafine Au as an electron mediator
From the themed collection: Nanomaterials in air
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
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.)
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
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
170 items - Showing page 1 of 3

About this collection

This web collection includes research articles published in Environmental Science: Nano featuring applications of nanoparticles in air as well as studies of the effects of nanoparticles and particulate matter on air and respiration.

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