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.
Room-temperature formaldehyde catalytic decomposition
The necessity, basic strategies and mechanisms for HCHO room-temperature catalytic oxidation removal are summarized and discussed.
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.
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).
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.
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.
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.
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.
Electrostatic polyester air filter composed of conductive nanowires and photocatalytic nanoparticles for particulate matter removal and formaldehyde decomposition
A dual-functional polyester fibrous air filter composed of self-assembled TiO2 nanoparticles and percolated Ag nanowires for electrostatic particulate matter removal and photocatalytic formaldehyde decomposition is reported.
Amine-functionalized microporous covalent organic polymers for adsorptive removal of a gaseous aliphatic aldehyde mixture
To pursue effective removal of gaseous volatile organic compounds (VOCs), adsorptive removal of a six-component aliphatic aldehyde gas phase mixture was investigated using two amine-functionalized microporous covalent organic polymers (COPs).
Promotional mechanism of activity via three-dimensional ordered macroporous Cu-doped Ce–Fe mixed oxides for the CO-SCR reaction
Mechanism illustration of 3DOM Ce0.7Fe0.2Cu0.1O2 catalyst for NO + CO reaction.
Respiratory Au nucleation and microelectrode techniques reveal key features of bacterial conductive matrix
Key elements of Geobacter's extracellular electron transfer mechanism are characterized combining respiratory formed gold nanoparticles with spectro-electrochemical and microelectrode techniques.
Joint impact of atmospheric SO2 and NH3 on the formation of nanoparticles from photo-oxidation of a typical biomass burning compound
The joint effects of SO2 and NH3 obviously promote the nanoparticles formation from the photooxidation of 3-methylfuran.
Sunlight-driven atmospheric water capture capacity is enhanced by nano-enabled photothermal desiccants
Atmospheric water capture (AWC) is an alternative method of localized water production whereby water vapor is removed from air to produce drinking water.
Photo-production of reactive oxygen species and degradation of dissolved organic matter by hematite nanoplates functionalized by adsorbed oxalate
The geochemical cycling of iron and carbon can couple in unique ways in the euphotic zone of aquatic systems.
Modeling performance of rhamnolipid-coated engineered magnetite nanoparticles for U(VI) sorption and separation
Iron oxide nanoparticles were stabilized in water using the biosurfactant rhamnolipid, and the adsorption of U(VI) to these nanoparticles was measured and modeled as a function of water chemistry.
Polyacrylic acid coated nanoparticles elicit endothelial cell apoptosis and diminish vascular relaxation in ex vivo perfused iliac arteries of the cane toad (Rhinella marina)
Cane toad iliac arteries were perfused ex vivo with polyacrylic acid coated nanoparticles. Nanoparticle uptake was observed in both endothelial and vascular smooth muscle cells, eliciting endothelial cell apoptosis and diminished vascular relaxation.
Enhancement of photocatalytic NO removal activity of g-C3N4 by modification with illite particles
The modification of illite particles could enhance the photocatalytic NO removal activity of g-C3N4.
Characterization of aerosolized particles from nanoclay-enabled composites during manipulation processes
Manufacturing, processing, use, and disposal of nanoclay-enabled composites potentially lead to the release of nanoclay particles from the polymer matrix in which they are embedded; however, exposures to airborne particles are poorly understood.
Selective catalytic oxidation of ammonia over nano Cu/zeolites with different topologies
The implementation of selective catalytic oxidation of ammonia (NH3-SCO) in automobile and stationary exhausts treatment allows the possibility to inject excess amount of NH3 to fully reduce NOx molecules as part of the solution toward achieving zero NOx emissions.
Enhanced uptake of glyoxal at the acidic nanoparticle interface: implications for secondary organic aerosol formation
Glyoxal (GL) exhibits a preferential tendency to the acidic nanoparticle interface, and sulfuric acid (SA) has a catalytic effect on hydration reaction of glyoxal in the aqueous phase.
The adsorption and oxidation of SO2 on MgO surface: experimental and DFT calculation studies
The reaction mechanisms and synergistic effects of NO2/O2 on the heterogeneous oxidation of SO2 to sulfate on a MgO surface.
Hierarchical Z-scheme g-C3N4/Au/ZnIn2S4 photocatalyst for highly enhanced visible-light photocatalytic nitric oxide removal and carbon dioxide conversion
Hierarchical Z-scheme photocatalyst g-C3N4/Au/ZnIn2S4 was constructed and applied for highly enhanced visible-light photocatalytic NO removal and CO2 conversion.
Carbon dioxide binding in supercooled water nanofilms on nanominerals
Moist CO2-bearing air flowing in Earth's terrestrial environments and now warming cryosphere can be captured by thin nanometric water films supported by mineral nanoparticles.
Irradiation intensity dependent heterogeneous formation of sulfate and dissolution of ZnO nanoparticles
Atmospheric photochemistry is largely influenced by the irradiation intensity.
Hierarchical NiMn2O4/rGO composite nanosheets decorated with Pt for low-temperature formaldehyde oxidation
Graphene nanomaterials can improve the textural properties and surface reactivity of metal-based HCHO oxidation catalysts, leading to improved room-temperature HCHO oxidation performance.
Large-scale preparation of micro-gradient structured sub-micro fibrous membranes with narrow diameter distributions for high-efficiency air purification
Micro-gradient structured PAN sub-micro fibrous membrane with high-efficiency air purification performance was fabricated via one-step free surface electrospinning with large-scale yield, firstly demonstrated as air filters.
Few-layered mesoporous graphene for high-performance toluene adsorption and regeneration
Few-layered mesoporous graphene was fabricated for adsorption of toluene with high capacity, a high desorption ratio and resistance to high humidity.
A carbon-14 radiotracer-based study on the phototransformation of polystyrene nanoplastics in water versus in air
A carbon-14 radiotracer-based study revealed that water promoted mineralization and photo-oxidation of polystyrene nanoplastics with significant amounts of carbon leached out.
The heterogeneous reaction of dimethylamine/ammonia with sulfuric acid to promote the growth of atmospheric nanoparticles
The heterogeneous reaction of dimethylamine (DMA) with sulfuric acid to promote the growth of atmospheric nanoparticle is different from ammonia.
The effect of water on the heterogeneous reactions of SO2 and NH3 on the surfaces of α-Fe2O3 and γ-Al2O3
In this study, wall-coated flow tube, in situ diffuse reflectance infrared Fourier transform spectroscopy and ion chromatography were used to investigate the effect of water on the heterogeneous reactions of SO2 and NH3 on α-Fe2O3 and γ-Al2O3.
Mechanistic insights into stress response and metabolic activity resilience of Nitrosomonas europaea cultures to long-term CeO2 nanoparticle exposure
A nano-CeO2 impaired ammonia oxidizer displayed stress tolerance and recovery capacities at the physiological, metabolic and transcriptional levels.
Acquisition of cancer stem cell-like properties in human small airway epithelial cells after a long-term exposure to carbon nanomaterials
Carbon nanomaterials and asbestos fibers induce genotoxicity and cancer stem cell-like transformation in human small airway epithelial cells.
A model sensitivity analysis to determine the most important physicochemical properties driving environmental fate and exposure of engineered nanoparticles
Sensitivity analyses indicate attachment efficiency and transformation rate constant are most important in modeling environmental fate of engineered nanoparticles.
Heterogeneous conversion of SO2 on nano α-Fe2O3: the effects of morphology, light illumination and relative humidity
Hematite is one of the most important components in atmospheric mineral aerosols, which always presents different morphologies due to its different formation processes and various sources.
Facet-dependent evolution of surface defects in anatase TiO2 by thermal treatment: implications for environmental applications of photocatalysis
Exposed crystal facets of TiO2 nanomaterials significantly affect the surface defect formation of the materials during thermal treatment.
The food additive E171 and titanium dioxide nanoparticles indirectly alter the homeostasis of human intestinal epithelial cells in vitro
Repeated exposure to E171 or TiO2-NPs, in vitro, induce moderate inflammation and mucus secretion in intestinal cells.
Nano to micron-sized particle detection in patients' lungs and its pathological significance
Comprehensive mineralogical analyses (including nano to micron-sized particle detection) of patients' bronchoalveolar lavages allow obtaining new insights into the role of inhaled biopersistent particles in lung diseases.
Unique mesoporous amorphous manganese iron oxide with excellent catalytic performance for benzene abatement under UV-vis-IR and IR irradiation
Mesoporous amorphous manganese iron oxide exhibits excellent catalytic activity with UV-vis-IR and IR irradiation due to light-driven thermocatalysis and novel photoactivation.
Photocatalytic ozonation mechanism of gaseous n-hexane on MOx–TiO2–foam nickel composite (M = Cu, Mn, Ag): unveiling the role of ˙OH and ˙O2−
The role of ˙OH and ˙O2− in the photocatalytic ozonation mechanism of gaseous n-hexane is disclosed based on experimental and theoretical methods.
Micro/nano-bubble assisted synthesis of Au/TiO2@CNTs composite photocatalyst for photocatalytic degradation of gaseous styrene and its enhanced catalytic mechanism
A facile micro/nano-bubble method was firstly applied to synthesize an Au/TiO2@CNT composite photocatalyst for photocatalytic degradation of gaseous styrene.
Mechanisms limiting the release of TiO2 nanomaterials during photocatalytic cement alteration: the role of surface charge and porous network morphology
The evolution of the cement matrix control and limit the release of TiO2 nanomaterials.
Variation in regional risk of engineered nanoparticles: nanoTiO2 as a case study
Predicting environmental concentrations of engineered nanomaterials (ENMs) is key for assessing their risk.
Correction: Characterization of aerosolized particles from nanoclay-enabled composites during manipulation processes
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.