Bacteriogenic metallic and semiconducting nano-system as a potential sustainable solution for one health complexities.

Considering the complexities of electronics waste management to meet the requirements of digital-age technologies, this article underscores the pressing need for eco-friendly, economical, and sustainable engineering solutions. Here, it uniquely focuses on bacteriogenic metallic and semiconducting nano-systems as a promising yet underexplored solution for sustainable materials innovation. Unlike conventional green nanofabrication methods involving plants or eukaryotic microbes, bacteria possess numerous merits for fabrication, including ease of cultivation, a wide spectrum of genera, abundance, prompt cell division efficacy, genetic elasticity, and high bio-reduction/oxidation efficacy that make them highly adaptable platforms for engineered nanostructures.

Functional Nanomaterials Based Electrochemical and Chemiresistive Sensors for Hydrogen Detection: A Review.

Hydrogen is a lightweight, small molecule that is highly flammable and causes an explosion when exposed to air by >4%. It is a colorless and odorless gas; hence, its physical examination is challenging. Therefore, a reliable detection tool is highly demanded to avoid the risk associated with their explosion.

Emerging bismuth stannate semiconductor and its photocatalytic applications in pollutant degradation via Z/S-scheme heterostructures.

Bismuth stannate (BiSnO) has emerged as a promising compound for heterostructure applications due to its outstanding photocatalytic, structural, and optical properties. As a pyrochlore-type semiconducting material, BiSnO demonstrates a suitable bandgap, strong visible-light absorption, and high chemical stability, making it attractive for environmental remediation. Heterostructures based on BiSnO have gained significant attention because of their enhanced charge carrier separation efficiency, improved charged carrier mobility, and synergistic effects that boost photocatalytic performance.

First evidence of microplastics in surface water of urban waterbodies in Bhopal city, India- abundance and their characteristics.

The present study focuses on the microplastics (MPs) abundance including identification and quantification in six major waterbodies of Bhopal city. Using the combined sampling method of bulk and volume reduced sampling the samples are collected from 19 different locations in winter, summer and monsoon weather for understanding the seasonal impact. MPs particles have been observed in the surface waters of all the water bodies of the Bhopal city across all seasons.

Unveiling cutting-edge developments in defective BiOI nanomaterials: Precise manipulation and improved functionalities towards bolstered photocatalysis.

Defect engineering represents a paradigm shift in tailoring nanomaterials for enhanced catalytic performance across various applications. This manuscript succinctly highlights the significance of defect engineering in improving the catalytic performance of BiOI nanoparticles for multiple applications, particularly in photocatalysis. The photocatalytic process of BiOI semiconductor is intricately linked to its indirect bandgap and layered crystalline structure.

Interfacial charge transfer in g-CN/FeVO/AgBr nanocomposite for efficient photodegradation of tetracycline antibiotic and Victoria blue dye.

The study presents the fabrication and superior photoactivity of a ternary g-CN/FeVO/AgBr heterojunction nanocomposite, synthesized via a chemical precipitation method for effective degradation of tetracycline (TC) and Victoria Blue (VB) dye under light illumination. The morphology and the crystal size of the synthesized nanocomposite were characterized by using FESEM and XRD and the calculated grain size (100.39 nm) is larger than the crystal size (48.

Defect and Heterostructure engineering assisted S-scheme NbO nanosystems-based solutions for environmental pollution and energy conversion.

This review explores the crystallographic versatility of niobium pentoxide (NbO) at the nanoscale, showcasing enhanced catalytic efficiency for cutting-edge sustainable energy and environmental applications. The synthesis strategies explored encompass defect engineering, doping engineering, s-scheme formation, and heterojunction engineering to fine-tune the physicochemical attributes of diverse dimensional (0-D, 1-D, 2-D, and 3-D) NbO nanosystems as per targeted application. In addressing escalating environmental challenges, NbO emerges as a semiconductor photocatalyst with transformative potential, spanning applications from dye degradation to antibiotic and metal removal.

Unraveling the synergism mechanistic insight of O-vacancy and interfacial charge transfer in WO decorated on AgCO/BiOBr for photocatalysis of water pollutants: Based on experimental and density functional theory (DFT) studies.

Photocatalysis has been widely used as one of the most promising approaches to remove various pollutants in liquid or gas phases during the last decade. The main emphasis of the study is on the synergy of vacancy engineering and heterojunction formation, two widely used modifying approaches, to significantly alter photocatalytic performance. The vacancy-induced AgCO/BiOBr/WO heterojunction system has been fabricated using a co-precipitation technique to efficiently abate methylene blue (MB) dye and doxycycline (DC) antibiotic.

Nano-biogenic heavy metals adsorptive remediation for enhanced soil health and sustainable agricultural production.

Hazardous heavy metal (HM) pollution constitutes a pervasive global challenge, posing substantial risks to ecosystems and human health. The exigency for expeditious detection, meticulous monitoring, and efficacious remediation of HM within ecosystems is indisputable. Soil contamination, stemming from a myriad of anthropogenic activities, emerges as a principal conduit for HM ingress into the food chain.

Fe-based MOFs as promising adsorbents and photocatalysts for re-use water contained arsenic: Strategies and challenges.

Arsenic (As) contaminated water, especially groundwater reservoirs, is a major issue worldwide owing to its hazardous consequences on human health and the global environment issues. Also, irrigating agricultural fields with As-contaminated water not only produces an accumulation of As in the soil but also compromises food safety due to As entering into agricultural products. Hence, there is an urgent need to develop an efficient method for As removal in water.

DFT and experimental studies of the facet-dependent oxygen vacancies modulated WS/BiOCl-OV S-scheme structure for enhanced photocatalytic removal of ciprofloxacin from wastewater.

The present study explores visible light-assisted photodegradation of ciprofloxacin hydrochloride (CIP) antibiotic as a promising solution to water pollution. The focus is on transforming the optical and electronic properties of BiOCl through the generation of oxygen vacancies (OVs) and the exposure of (110) facets, forming a robust S-scheme heterojunction with WS. The resultant OVs mediated composite with an optimal ratio of WS and BiOCl-OV (4-WS/BiOCl-OV) demonstrated remarkable efficiency (94.

Sustainability, performance, and production perspectives of waste-derived functional carbon nanomaterials towards a sustainable environment: A review.

The survival of humanity is severely threatened by the massive accumulation of waste in the ecosystem. One plausible solution for the management and upcycling of waste is conversing waste at the molecular level and deriving carbon-based nanomaterial. The field of carbon nanomaterials with distinctive properties, such as exceptionally large surface areas, good thermal and chemical stability, and improved propagation of charge carriers, remains a significant area of research.

"Long COVID" and Its Impact on The Environment: Emerging Concerns and Perspectives.

The COVID-19 pandemic has caused unprecedented global health and economic crises. The emergence of long COVID-19 has raised concerns about the interplay between SARS-CoV-2 infections, climate change, and the environment. In this context, a concise analysis of the potential long-term effects of the COVID-19 epidemic along with the awareness aboutenvironmental issues are realized.

Visible-light-driven photodegradation of methylene blue and doxycycline hydrochloride by waste-based S-scheme heterojunction photocatalyst BiOI/PCN/tea waste biochar.

Herein, we have reported a photocatalytic BiOI, protonated g-CN heterojunction with directional charge transfer channels provided by tea waste biochar to achieve effective e/h pair isolation for the improved degradation of Methylene blue (MB) and Doxycycline hydrochloride (DCHCl). An S-scheme heterojunction was fabricated via the novel method that combined hydrothermal and ultrasonic dispersion, followed by an electrostatic self-assembly route. The as-fabricated BiOI/protonated g-CN/Tea waste biochar heterojunction formed a strong contact at the interface, as supported by the electron microscopic results.

Synergistic interface engineering in n-p-n type heterojunction CoO/MIL/Mn-STO with dual S-scheme multi-charge migration to enhance visible-light photocatalytic degradation of antibiotics.

Constructing an effective multi-heterojunction photocatalyst with maximum charge carrier separation remains challenging. Herein, a high-efficient CoO/MIL-88A/Mn-SrTiO (CoO/MIL/Mn-STO) n-p-n heterojunction photocatalyst was successfully prepared by a simple hydrothermal method for the photodegradation of sulfamethoxazole (SMX). The combination of MIL and CoO/Mn-STO established an internal electric field and heterojunction, accelerating the separation of carriers, and thus improved photocatalytic performance.

Sustainable solutions for indoor pollution abatement during COVID phase: A critical study on current technologies & challenges.

The appearance of the contagious virus COVID-19, several revelations and environmental health experts punctually predicted the possibly disastrous public health complications of coexisting catching and airborne contamination-arbitrated disease. But much attention has been given on the outdoor-mediated interactions. Almost 3.

Panorama of biogenic nano-fertilizers: A road to sustainable agriculture.

The ever-increasing demand for food from the growing population has augmented the consumption of fertilizers in global agricultural practices. However, the excessive usage of chemical fertilizers with poor efficacy is drastically deteriorating ecosystem health through the degradation of soil fertility by diminishing soil microflora, environment contamination, and human health by inducing chemical remnants to the food chain. These challenges have been addressed by the integration of nanotechnological and biotechnological approaches resulting in nano-enabled biogenic fertilizers (NBF), which have revolutionized agriculture sector and food production.

Integrating K and P co-doped g-CN with ZnFeO and graphene oxide for S-scheme-based enhanced adsorption coupled photocatalytic real wastewater treatment.

Recently, there has been a significant increase in the interest of using photocatalysis for environmental clean-up applications. In this research, potassium, and phosphorus co-doped graphitic carbon nitride (KPCN) photocatalyst modified with graphene oxide (GO) and heterostructured with ZnFeO was synthesized via the hydrothermal method (KPCN/GO/ZnFeO). The photoactivity of KPCN/GO/ZnFeO photocatalyst was examined for the photocatalytic degradation of target pollutants such as methylene blue (MB) dye, rhodamine B (RhB) dye, and tetracycline (TC) antibiotic.

Covalent organic frameworks (COFs) core@shell nanohybrids: Novel nanomaterial support towards environmental sustainability applications.

Covalent organic frameworks (COFs) based on core@shell nanohybrids have recently received significant attention and have become one of the most promising strategies for improving the stability and catalytic activity of COFs. Compared with traditional core@shell, COF-based core@shell hybrids own remarkable advantages, including size-selective reactions, bifunctional catalysis, and integration of multiple functions. These properties could enhance the stability and recyclability, resistance to sintering, and maximize the electronic interaction between the core and the shell.