Single-particle multi-element fingerprinting (spMEF) using inductively-coupled plasma time-of-flight mass spectrometry (ICP-TOFMS) to identify engineered nanoparticles against the elevated natural background in soils
This novel single-particle multi-element fingerprinting (spMEF) method makes it possible to discriminate engineered and natural nanoparticles in complex matrices.
Metabolic profiling of silver nanoparticle toxicity in Microcystis aeruginosa
The manifestation of differential metabolic profiles combined with the perturbation of physiological indicators in M. aeruginosa upon silver nanoparticle exposure is taken as evidence of damage to photosynthesis and membranes.
Biodissolution and cellular response to MoO3 nanoribbons and a new framework for early hazard screening for 2D materials
A new 2D nanomaterial testing prioritization framework based on media specific chemical behavior.
Modeling reactive transport of polydisperse nanoparticles: assessment of the representative particle approach
Our goal was to characterize the uncertainty in the estimates of the mobility and reactivity of polydisperse nanocolloids introduced into computations when a distribution of particle sizes is replaced with a representative particle diameter through ensemble averaging.
Highly efficient adsorption of uranium(VI) from aqueous solution by a novel adsorbent: titanium phosphate nanotubes
A novel adsorbent (titanium phosphate nanotube) with high performance for U(VI) adsorption was fabricated through a facile solvothermal method.
Interaction of CuO nanoparticles with plant cells: internalization, oxidative stress, electron transport chain disruption, and toxicogenomic responses
This study investigated the toxicity of CuO nanoparticles (NPs) to Nicotiana tabacum L. cv. Bright Yellow-2 (BY-2) cells.
Enhanced indirect atomic H* reduction at a hybrid Pd/graphene cathode for electrochemical dechlorination under low negative potentials
Enhanced production and adsorption of atomic H* for efficient electrocatalytic dechlorination of TCAA with a Pd/rGO composite electrode.
Simultaneous elimination of cationic uranium(VI) and anionic rhenium(VII) by graphene oxide–poly(ethyleneimine) macrostructures: a batch, XPS, EXAFS, and DFT combined study
Free and protonated amino groups anchored on the macrostructures are responsible for U(VI) and Re(VII) adsorption, respectively.
Paper
Aggregation and sedimentation of shattered graphene oxide nanoparticles in dynamic environments: a solid-body rotational approach
Nanoparticle (NP) aggregation is typically investigated in either quiescent or turbulent mixing conditions; neither is fully representative of dynamic natural environments.
Application and testing of risk screening tools for nanomaterial risk analysis
This study applies and tests new risk screening tools for engineered nanomaterials and highlights key findings.
Hydroxyl radical scavenging by cerium oxide nanoparticles improves Arabidopsis salinity tolerance by enhancing leaf mesophyll potassium retention
Nanoceria ROS scavenging is a key tool for understanding and improving plant tolerance to salinity, a stress that severely limits crop yield worldwide.
Reduction pathway-dependent cytotoxicity of reduced graphene oxide
The environmental transformation of graphene oxide (GO) can significantly change its physicochemical properties, thus altering its toxicity.
Interaction of carbon nanotubes with microbial enzymes: conformational transitions and potential toxicity
Interaction of carbon nanotubes with microbial enzymes.
Methodology for quantifying engineered nanomaterial release from diverse product matrices under outdoor weathering conditions and implications for life cycle assessment
Accurate measurement of engineered nanomaterial (ENM) release from diverse product lines and matrices during use is critical to evaluating environmental impacts across the life cycle of a nano-enabled product.
Characterizing the phosphatase mimetic activity of cerium oxide nanoparticles and distinguishing its active site from that for catalase mimetic activity using anionic inhibitors
Cerium oxide nanoparticles (CeNPs) are potent reactive oxygen and nitrogen species scavengers and demonstrate beneficial antioxidant properties in both cell culture and animal studies.
Modeling human health characterization factors for indoor nanomaterial emissions in life cycle assessment: a case-study of titanium dioxide
A dynamic life cycle impact assessment model demonstrates a non-constant intake fraction of inhaled nano-TiO2 as total emissions changes.
Residual weakly bound ligands influence biological compatibility of mixed ligand shell, thiol-stabilized gold nanoparticles
Mixed ligand shells are frequently employed to impart multiple and new functions to inorganic nanoparticles.
Colloidal characterization of CuO nanoparticles in biological and environmental media
The relationships between the physicochemical properties of engineered nanomaterials (ENMs) and their adverse health and environmental effects are still unclear.
Paper
Metal uptake and distribution in the zebrafish (Danio rerio) embryo: differences between nanoparticles and metal ions
Quantitative data on nanoparticle and cation uptake are compared in a compartment-specific way and distinct differences between metals were identified.
Effect of nonreactive kaolinite on 4-chloronitrobenzene reduction by Fe(II) in goethite–kaolinite heterogeneous suspensions
This work demonstrates that even nonreactive clays may influence outcomes of natural attenuation in contaminated groundwater by iron oxide nanoparticles.
Sewage sludge treated with metal nanomaterials inhibits earthworm reproduction more strongly than sludge treated with metal metals in bulk/salt forms
Sludge treated with ENMs caused greater effects on earthworm reproduction than sludge treated with metal salts.
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.