Themed collection Nano-bio interactions

Fundamental design parameters for future development of novel antiviral nanomaterials.

Here we discuss the potential of engineered nanoparticles to act as agents affecting the immune status in different environmentally relevant species, with a focus on the emerging experimental models launched by the EU Horizon 2020 project PANDORA.

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.

This review highlights the rational design and environmental applications of metal-based antimicrobial nanomaterials for pathogenic microorganism control.

Impact of carbon nanomaterials on soil organic pollutant biodegradation is associated with their interactions with pollutant and toxicity to microorganisms.

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.

Despite the diverse structures and functions of the gut barrier in the animal kingdom, some common features of gut lumen chemistry control the behaviour of engineered nanomaterials, and with some potentially novel uptake pathways in invertebrates.

In recent years, photocatalytic technology has been widely studied as an environmental restoration technology and energy production technology to solve the two crises of energy shortage and environmental pollution.

The key algal response mechanisms to cope with NP toxicity and implications for algal bloom control by NPs.

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

Mesoporous silica nanoparticles (MSNs) can be used as carriers to prepare pesticide controlled release formulations with high pesticide loadings and reduce the negative environmental impact of pesticides.

The dynamic biological fate of silver nanoparticles as dissolution and neo-formation in zebrafish influences the number concentration-based versus mass concentration-based toxicokinetics.

The combination of nanocarrier delivery and genetic manipulation significantly improves chlorfenapyr efficiency and has great potential for sustainable crop protection.

The deposition of CeO₂ nanoparticles on supported lipid bilayers was governed by DLVO interactions at various pH values and electrolyte concentrations.

Micro- and nanoplastics (MNPLs) are intentionally produced for commercial uses (primary MNPLs) or are formed from environmentally aged plastics (secondary MNPLs).

The improvement of coriander nutritional quality including organic and mineral nutrients was driven by CDs-modulation of photosynthesis and transpiration.

Stannous sulfide (SnS) is a promising candidate for gas sensing applications due to its unique two-dimensional (2D) puckered monolayer and response capability at room temperature (25 °C).

We develop an automated infiltration platform and discover relationships for optimal incorporation of nanoparticles into living plants. Among others, these will benefit nanoscale sensors and genetic engineering approaches in plant nanobionics.

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.

Rapeseed is an important cash crop. However, its yield and quality are significantly affected by salinity stress. Nanoceria helped to improve rapeseed salt tolerance via modulating Cu–Zn SOD and LOX-IV isozyme activities.

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.

Health effects related to the plastic content of disposable period products have not been recognized or scientifically addressed.

Copper hydroxide (Cu(OH)₂) nanopesticide formulas are becoming more frequently used in agriculture; however, human exposure risks are not completely characterized.

The coating of nanoparticles (NPs) with biodegradable ligands has been considered an efficient way to improve the biocompatibility of NPs and to decrease their biopersistence.

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.

Silica nanomaterials and earthworms synergistically increased Si content and reprogrammed sugar and amino acid metabolism in maize root tissues.

Nitrogen doped carbon dots suppressed bacterial wilt in tomato through photosynthesis modulation, ROS scavenging, and resistance activation.

This study aimed to evaluate the dose-dependent effects of ENMs on plant chemistry and resistance against insect pests, and thus to promote the safe application of nanomaterials instead of organic fertilizers and pesticides in agroecosystems.

Combined experimental and simulation results demonstrate that the original nanoparticle properties regulate nanoparticle–cell interactions through dictating humic acid adsorption and conformation or dynamics of molecules on the nanoparticle surface.

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

Cerium oxide nanoparticles enhance rice salt tolerance and yield via modulating nitrate reductase activity to improve nitric oxide production.

We investigate algal cellular response to halloysite nanotubes (HNTs) and provide new insights into the environmental implications of HNTs in aquatic ecosystems from two perspectives.

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.

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.

Cellulose and chitosan nanomaterials, which have many potential agri-food and pharmaceutical applications, variably modulated amylolysis in simulated digestions of starch and increased glucose absorption in an in vitro intestinal epithelium.

The effects of nanoscale silver (nAg) particles on subsurface microbial communities can be influenced by the presence of biosurfactants, which have been shown to alter nanoparticle surface properties.

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

Nano-ZnO with low extracellular dissolution stimulates high lysosomal accumulation and ROS production and exhibits greater cytotoxicity than dissolved Zn²⁺.

Functionalized polystyrene nanoplastics inhibit the growth of marine clams (Meretrix meretrix) through energy homeostasis imbalance and immunomodulation dysfunction at environmentally relevant concentrations.

The aim of the study was to determine the effects of CeO₂, Fe₂O₃, and SiO₂ nanoparticles on the metabolism of phenols and flavonoids and the antioxidant status of butterhead lettuce and sweet pepper seedlings.

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

Hydrophilic surface modification enhanced the interaction between fullerene and lysozyme to induce more protein conformational changes and enzyme activity loss.

Silica spheres were successfully used to improve the utilization rate of foliar nitrogen fertilizers on leaves by surface roughness engineering.

Secreted corona composition of Ag and TiO₂ NMs, evaluated after 7 days of continuous exposure to daphnids, provides important insights into the biological pathways perturbed by the NMs.

This study explored the potential of ceria nanoparticles (CeO₂ NPs) to alleviate stress in hydroponic rice caused by low N (LN) and high N (HN) stresses.

We developed a DNA-based quantification (DBQ) method in a 96-well plate format. The applicability of this method for several types of ENMs was proved in both pure bacterial culture and in vitro human gut microbiome community.

Using physiology and metabolome analyses, we showed the promoting effects of single-walled carbon nanohorns and ZnO nanoparticles on plant growth and salt tolerance in Sophora alopecuroides seedlings.

Functionally active membranes made of cellulosic microfibers (CMFs) have emerged as promising sorbents for the removal of nano-sized pollutants from water.

This study demonstrates that synthesized copper sulfide nanoparticles with a rapid Cu dissolution rate can suppress Gibberella fujikuroi infection in rice (Oryza sativa L.).

The hematite {001} possessed more adsorption sites, more positive redox potential, and higher conductivity than {100}, resulting that the dissimilatory iron reduction rate of hematite {001} by S. putrefaciens CN-32 was easier than that of {100}.

This work describes a novel approach for the purification of extracellular proteins (EP) from activated sludge, and provides an insight into the interaction between NPs and actual EP in the active sludge (AS) system.

Creation of beads-and-fibres 3D nanoscaffolds mimicking the typical architecture of soils at microscale and nanoscale for the development of bacterial biofilms for agricultural and environmental applications.

The preparation of realistic polyethylene terephthalate nanoplastics and the preliminary toxicological assessment of the as-prepared PET NPs in zebrafish embryos was carried out.

Engineered nanomaterials interfaced with plant seeds can improve stress tolerance during the vulnerable seedling stage.

An allergen–nanoparticle interaction study was performed using hAELVi cells grown under submerged vs. air–liquid interface culture conditions. Choice of cellular models showed impact on the investigation of uptake kinetics and inflammatory responses.

The composition of the rice endophyte community was investigated as affected by reduced graphene oxide (rGO), multi-walled carbon nanotubes (MWCNTs), and fullerene (C₆₀) at 10–250 mg L⁻¹ under hydroponic conditions.

Glutathione can alleviate the silver nanoparticle-induced phytotoxicity and enhance the nitrogen assimilation in soybean.

The risks of metallic nanoparticles (MNPs) in anammox have attracted increasing attention; however, how sulfidation, an important environmental transformation process, affects their toxicity potential is unclear.

Upon exposure to non-toxic concentration of silver nanoparticles, only the ionic form of silver is found in the nucleus leading to an endocrine disruptor-like effect.

Chitosan/dsRNA polyplex nanoparticles have shown great potential as insect biocontrol agents. Here, we show that polyplex nanoparticles have their gene silencing capacity altered by environmental variables.

This paper revealed that the changes in the protein conformation and the dissolution of silver nanoparticles depended on the protein structure and could result in different degrees of enzymatic activity modulation.

Understanding the trophic transfer and biomagnification potential of nanomaterials in aquatic food chains is crucial for assessing the environmental risks of such materials.

The use of quantum dots (QDs) is widespread and as such, the potential risk associated with their dispersion in the environment has stimulated research on their interaction with potential sensitive receptors.

Graphene can be modified by different functional groups through various transformation processes in the environment.

Single-molecule determination provides the energetics and mechanisms of the origin of the phase- or facet-dependent adsorption of alginate on iron oxides.

C. elegans worms encountering Cu₂O particles can either avoid and survive or they can ingest them and experience toxic effects. Phosphate induces particle oxidation and Cu ion precipitation, improving survival even after ingestion.

A plug-and-play continuous flow system was developed for convenient and green production of heterogeneous tellurium nanoparticles with safer antimicrobial activity.

The adsorption and unfolding behavior of bovine serum albumin onto catalytic- and food-grade titanium dioxide nanoparticles is dependent on the surface chemistry of the nanoparticles and their environmental exposure history.

Long-term exposure to Ni-NPs induced progressive and unrecoverable inhibition of the activity of the AGS.

The antibacterial mechanism of CDs@AgNPs is interpreted clearly in the perspective of nano/cell interface interactions.