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.

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.

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.

Highlighted are the protein properties determining protein binding to the silver nanoparticle surface.

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

Analysing the dependence of bacteria adhesion on the diameter of nanofibres to improve cell-to-material adhesion for target applications.