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.

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.

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.

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.

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.).