Rice husk (RH) is a major agro-waste in rice-producing countries and its management is a serious concern. RH biochar (RHB) is generally used for soil amelioration; however, its functionality can be further enhanced by tailoring its properties to meet the specific requirement of crops. Herein, we report that the conversion of RHB to its nanoform (hereafter termed as NRB) and employing surface engineering

In the study presented in this paper, a multimetallic ferrocene-based metal-organic framework (CoNiFc-MOF) catalyst, characterized by a sea urchin-like morphology, was synthesized via a straightforward solvothermal method. The research focused on evaluating the efficacy of Peroxydisulfate (PDS) activation by CoNiFc-MOF catalyst for the removal of emerging contaminants. The results indicated that the

The increasing use of nanoparticles (NPs) has raised concerns about their environmental risk. The dynamics of NPs' fate and the interplay between NPs and organisms make it challenging to perform accurate and process-based hazard and risk characterization. It's crucial to use NPs' concentrations after they are transported and transformed for risk assessment (i.e., evaluating the fate of NPs). This will

The sulphidation of metal-based engineered nanoparticles (ENPs) presents a promising strategy to alleviate their ecotoxicity, particularly for ZnO ENPs used in plant growth enhancement. However, little is known about the interactions of sulphidized ENPs with plants, including their ionome. Considering the key-driver properties ENPs for their improvement plant growth may be strongly affected by the

Microplastics and nanoplastics (MNPs), which arise from the fragmentation of larger plastic debris or are intentionally produced on smaller scales, can persist in the environment for long periods due to their small dimensions. Considering that these particles are ubiquitous environmental pollutants, concerns arise regarding their potential adverse impacts on ecosystems and human health, which is the

Cadmium (Cd) toxicity severely impedes plant growth and yield. Melatonin (MEL) and copper oxide nanoparticles (CuO NPs) have individually demonstrated to enhance plant growth and mitigate heavy metals stress. But, their interactive effects in managing Cd-toxicity in oilseed crops remain largely unexplored. Thus, we evaluated the efficacy of 10 µM MEL and/or 3 mg/L CuO NPs to regulate the tolerance

To address the critical challenges in photocatalytic CO2 reduction systems- including rapid recombination of photogenerated electron-hole pairs, indiscriminate product distribution, and oxidative degradation of liquid-phase intermediates, we designed a ZIF-8-derived Ni-Cu bimetallic modified TiO2 (NiCu-GC-TiO2) for synergistic formate synthesis from CO2 and ammonia nitrogen wastewater The research

To reduce the residual solids and increase energy recovery in wastewater treatment plants, the anaerobic digestion (AD) process needs to be optimized to generate more methane from waste activated sludge (WAS). Nanomaterials (NMs) have successfully been used in anaerobic digestion to increase methane production. Focusing on NMs with high redox activity, the biochemical route for methane production can

Cu-based pesticides are popular globally due to their low toxicity, high efficiency, broad applicability, and cost-effectiveness. However, their application often leads to waste and environmental issues. Here, we developed nanoscale hydroxyapatite(HAP) as the Cu-based pesticide carrier and coated with chitosan to realize the function of Cu/P slow release. The HAP carrier with three sizes (20 nm, 60

Plant diseases pose a major threat to agricultural productivity and global food security, particularly in the context of climate change and increasing pesticide resistance. This review explores the emerging potential of metal-organic framework (MOF)-enabled nanoformulations as an innovative solution for sustainable plant disease management. MOFs, characterized by their tunable pore size, structural

Engineered nanoparticles (NPs) have revolutionized multiple disciplines due to their unique physicochemical properties, which is significantly influenced by the specific crystal facets exposed on the surfaces of NPs. This review critically examined underlying mechanisms by which crystal facets impacted biological effects and environmental risks of NPs. We illustrated facet-dependent interactions between

Correction for ‘Ionic liquid-assisted synthesis of a novel PANI/ZnWO4/WO3 ternary nanocomposite: a facile double electron transfer photocatalyst for efficient degradation of a herbicide’ by Bapun Barik et al., Environ. Sci.: Nano, 2021, 8, 2676–2692, https://doi.org/10.1039/D1EN00563D.

Retraction of ‘Cation substitution effects (Mn, Ni, and Zn) on ZIF-67 derived spinel modified with 3DGO for the detection of NO2 gas with high sensitivity and selectivity’ by Banalata Maji et al., Environ. Sci.: Nano, 2024, 11, 3637–3656, https://doi.org/10.1039/D3EN00205E.