Themed collection Nano-bio interactions

Engineered nanomaterials are increasingly being used in a range of applications; it is important to characterize bacterial response to these novel materials.

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.

This review provides new insights for the development of nanomaterials with potential immunomodulatory effects in plants towards resistance against biotic and abiotic stresses.

This review provides insights into key molecular events underlying ENMs toxicity under the dermal exposure scenario and the application of computational modeling tools in predicting the fate and toxicity of ENMs in nano-skin interactions.

This review clarifies the translocation of zinc oxide nanoparticles (ZnO NPs) in plants, reveals the molecular mechanisms of toxicity regulation, and emphasizes the potential risks of composite systems of NPs.

Nano-agricultural technology is a promising alternative for sustainable control crop biotic stress that has more economic and environmental benefits as compared with conventional analogues.

The complex process of photosynthesis requires precise arrangements of light harvesting molecules in the photosynthetic system.

Carbon dots derived from natural sources have drawn tremendous interest due to their superior characteristics. However, it is essential to evaluate both their biological and environmental impacts on contributions and the emerging concerns.

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.

Multi-technique characterization at the nanoscale of gelatin biodegradation on the surface of core–shell nanoparticles by extracellular proteases.

The current study develops a nano-pesticide that is nontoxic toward the predatory stinkbug but with enhanced bioactivity toward the common cutworm, which proposes to co-apply the nano-pesticide with predator as an innovative pest control technique.

Biodegradable and all-natural gelatin-based nanoemulsions encapsulate and stabilize antifungal essential oils to provide efficient penetration and eradication of drug-resistant fungal biofilms without resistance generation.

Exposure of InSe-EGCG to Shewanella oneidensis MR-1 decreases cell growth.

Cationic polymer-wrapped diamond nanoparticles interact with lipid bilayers to reveal the influence of phospholipid composition and surface charge on nanoparticle-membrane interactions.

Biomolecules that have both redox capability and phosphate functionality undergo direct surface initiated redox with high-valent metal oxide nanoparticles, oxidizing the molecule and increasing Co release from the nanoparticles.

Differences between protein adsorption to bilayers built on SiO₂ or Au solid supports suggests that their behavior is affected by underlying substrate material and not just the proximal bilayer.

Molecular dynamics simulations are performed to reveal the degradation-dependent bioactivity of black phosphorus in suppressing the centrosome polo-like kinase 1.

Baked cysteine is mainly composed of cystine, a dimer with a SS bond. It acts as a nanozyme with phosphatase activity and an allosteric mechanism, repairs damage caused by ash to plant roots and germination and synergically combines with chlorophyll.

The mixed utilization of pesticides and fertilizers plays an important role in the prevention of plant diseases and in providing nutrients for crop growth.

This work implicates Zn-mediated cellular processes in the mechanism of toxicological action of TiO₂ nanoparticles. Improved understanding of mechanism of toxicological action will inform more proportionate and precautionary regulatory approaches.

MPN coating was formed on individual M. acetivorans surfaces by converting the TA–Fe²⁺ complex into TA–Fe³⁺ species, which reduced the contact of oxygen molecules with M. acetivorans and allowed M. acetivorans to produce methane in the presence of oxygen.

Foliar spraying with SA–CS nanocomposites (SCNs) significantly increased maize plant resistance against S. frugiperda by increasing defense compound (BX) production and anti-insect gene (Pep1, RIP2, MPI and JAR1a) expression.

ZnO-nanoparticles reduce the attachment ability of the green stinkbug Nezara viridula, a major pest worldwide, by aggregating on insect attachment devices. These findings can help to develop nontoxic pest-control methods that can be alternatives to insecticides.

Iron sulfide nanoparticles (e.g., FeS NPs), which are ubiquitous in sulfate (SO₄²⁻)-rich anaerobic environments, can act as an electrical wire for long-distance extracellular electron transfer (EET) and bridge spatially discrete redox environments.

Single walled carbon nanotubes (SWCNTs) are coated with polyethylenimine (PEI) of different molecular weight for DNA delivery into algal chloroplasts without the use of mechanical aid for understanding their impact on cell viability and function.

Herein, carbon dots (CDs) improving lettuce (Lactuca sativa L.) growth and cold tolerance under low-temperature stress (4 °C) were investigated.

Biofilms are abundantly present in both natural and engineered environmental systems and will likely influence broader particle fate and transport phenomena.

The antibacterial mechanism involves inducing oxidative stress, resulting in disruptions to the mycelial cell membrane, intracellular structure, and various metabolic processes.

Soil-applied silicon quantum dots (Si QDs) significantly increased radish taproot resistance against white grubs and simultaneously shaped a healthy rhizosphere microenvironment.

The transfer of antibiotic resistance genes was influenced by the concentration and surface charge of nanoplastics. This was due to a combination of the promotion effect of ROS and the inhibition caused by nanoplastic agglomeration.

Cerium oxide nanomaterials improved cucumber flowering, fruit yield and quality: the rhizosphere effect.

Chitosan–silica nanocomposites enhanced faba bean plant resistance against aphids by increasing the production of anti-insect metabolites.

Chronic exposure of Shewanella oneidensis to nanoscale lithiated nickel manganese cobalt oxide induces ROS production in the bacteria, filamentation, vesicle formation, DNA damage, and evolution of resistance to other stressors such as antibiotics.

The doping strategy of ferrite nanoparticles induced a correlation between their reactivity and toxicity. The evidence showed the induction of biological responses as a factor of their dissolution and suspension properties of ferrite nanoparticles.

Carbon nanotube induces stronger and unique microbiome alterations in the tomato rhizosphere compared to the bulk soil, whereas graphene has a limited impact on soil microbiomes.

TiO₂ NPs are a novel nanopesticide for tomato wilt pathogen control. The antibacterial mechanism of intracellular ROS production is different from traditional concepts.

Exposure to nano-polystyrene has the potential to increase the risk of Escherichia coli O157:H7 contamination in aquatic environments.

S-PSNPs facilitated conjugative transfer frequency of ARGs between E. coli strains than L-PSNPs, and the mechanisms include SOS response, membrane permeability and altered related gene expression.

CdS QDs activate calcium signaling and apoptosis in HepG2 human hepatocytes. CdS QDs trigger inflammatory response and autophagy in THP-1 human macrophages.

Understanding the uptake and elimination kinetics of engineered nanomaterials (ENMs) in aquatic organisms is essential for their environmental risk assessment.

The herbicide-safener dual controlled release system AD-67@Pre@ZIF-67 was successfully prepared for the high efficiency and low toxicity of herbicide.

Nanocarrier-delivered dsRNA can be a promising environmentally friendly pest management solution.

Highly-wrinkled graphene oxide (GO) films effectively inhibit or kill bacteria.

Particle morphology and dissolution profile determine the suppression of bacterial wilt in tomato by lanthanum-based nanomaterials.

Liquid chromatography-mass spectrometry and molecular dynamics simulation demonstrate that positive surface charges promote the formation of a complete lipid corona with compositions different from the pristine natural lung surfactant.

Nanomaterials can induce plant tolerance to abiotic environmental stresses, whereas the sensing mechanism and the resulting response at the cellular level need further exploration.

A mitochondria-targeted pesticide delivery system (MSN-CMC-TPP) for the ATP synthesis disruptor chlorfenapyr (Chl) was developed. The MSN-CMC-TPP system enhanced Chl efficacy by inducing mitochondrial damage in Sf9 cells.

The main goal of this work was to quantify and explore the variation of nanosilicon-mediated effects on the mitigation of oxidative stress in plants against abiotic and biotic stress.

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

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 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.