Exhaled breath has recently been identified as a promising non-invasive sample for disease diagnosis, as it reflects the biological metabolic compositional profile of volatile organic compounds (VOCs). Breath-based assays combined with advanced material-based chemical sensors yield a fast, non-invasive, and reproducible technique for diagnosing various diseases. This review...
Porous membranes have received much attention for battery applications due to their ability to retain electrolytes within the membrane, unlike solid polymer electrolytes. Porous chitosan membranes were prepared via ultrasonic mix solution-cast and porogen-removal method using SiO2 as the porogen-removal agent at different weight ratios from 0.4 to 4.0. The preparation of chitosan...
Oxygen-deficient nanomaterials have emerged as a distinct class of functional materials that continue to attract extensive research interest due tothe presence of oxygen vacancies (OVs) and associated electronic structure modulation and broad technological relevance in catalysis, sensing, energy storage and conversion, and environmental remediation. This review provides a...
Banana leaves represent an abundant and underexploited lignocellulosic resource with potential for sustainable packaging applications. This study evaluates uncoated banana leaf paper in comparison with conventional kraft and recycled papers by analyzing structural, mechanical, barrier, thermal, and optical properties. Banana leaf paper exhibited the highest water vapor...
Coating extends the service life of infrastructure, reducing maintenance needs and supporting sustainability goals. Fly ash geopolymer coatings are promising alternatives to organic and cementitious systems due to their low-carbon, VOC-free composition and chemical compatibility with cementitious substrates. This study investigates the collective impact of mix chemistry...
Cupric oxide (CuO) thin films were obtained from cuprous oxide (Cu2O) precursor films deposited by spray pyrolysis and subsequently transformed by rapid thermal annealing (RTA) under a controlled atmosphere. Cu2O films with different thicknesses were deposited at a low substrate temperature (280 °C) using diethanolamine as a reducing agent, and then subjected to RTA to induce the...
The development of low-cost, scalable transparent conductive electrodes is a critical goal for advanced optoelectronic applications. One promising strategy involves harnessing crack formation in thin films, traditionally viewed as a defect, as a functional design strategy for the fabrication of advanced electronic and optoelectronic devices; however, a systematic understanding of...
Globally, many people are candidates in need of artificial eyes for restoring natural eye structure in cases of eye loss. Regrettably, microbial invasion and biofilm formation on ocular prosthesis (OP) pose a serious challenge in developing successful preventive care strategies for ophthalmologists, optometrists, and other medical staff. Our study aims to improve antimicrobial...
This study investigates the effects of using different sand-to-cement ratios on the workability, mechanical and durability properties of cement mortars with recycled sand derived from construction and demolition waste. In addition, carbon footprints and cost analysis were conducted to evaluate the environmental and economic performance of the mortar mixes. With constant water-to...
V2CTx exhibits remarkable potential for energy storage applications due to its high conductivity and pseudocapacitive behavior. However, oxidation rapidly degrades the structure and electrochemical characteristics, making them unstable in aqueous and atmospheric conditions. To reduce this occurrence, this study monitors the efficiency of sodium ascorbate (NaAsc) at different...
Magnetic nanoparticles capable of generating heat under alternating high-frequency electromagnetic fields were employed to drive methane bi-reforming with steam and carbon dioxide. Ni–Co alloy nanoparticles with compositions Ni50Co50 and Ni30Co70, supported on γ-Al₂O₃ pellets, were synthesized and comprehensively characterized. Their catalytic performance under magnetic induction...
Six new Mg-xZn-yZr-1Y alloys were developed with variations in Zn (1, 3, 5 wt%) and Zr (0.25, 0.5, 0.75, 1 wt%) content. The alloy with 3 wt% Zn and 0.5 wt% Zr exhibited the most favourable properties including fine-grain microstructure, superior mechanical performance and enhanced corrosion resistance. This alloy achieved a tensile strength of 201.6 MPa, a yield strength of 80.7...
Electrolytes, as the lifeblood of energy storage systems, play a pivotal role in determining the performance metrics of supercapacitors and metal-ion batteries, including energy density, power output, cycle life, and safety. This review presents a comprehensive analysis of composition–performance relationships across aqueous, organic, ionic liquid, and solid-state electrolyte...
This study addresses two key environmental challenges in the petrochemical industry: the purification of oil-contaminated industrial wastewater from upstream operations, such as drilling, extraction, and crude oil processing, and the efficient utilization of polymeric waste. The work focuses on removing crude oil from kinetically stable oil-in-water (o/w) emulsions with the...
Drilling muds play a crucial role in the efficient and safe extraction of oil and gas from petroleum reserves. Their performance depends on rheological and filtration properties. Graphene nanosheets(GNSs) are the thinnest, lightest and strongest nanomaterials, with two- dimensional hexagonal honeycomb structure. Due to their remarkable physiochemical and mechanical properties...
Wearable electronics and the Internet of Things (IoT) progression create a pressing desire to develop flexible sensors for healthcare monitoring and industrial applications. This study presents a new scalable and low-cost approach for fabricating high performance and flexible temperature sensors based on sulfur (S) and nitrogen (N) co-doped laser-reduced graphene oxide denoted as...
This study was aimed at investigating the potential of lime kiln dust (LKD) and ground granulated blast furnace slag (GGBFS) as alternative cementitious materials, and fine rubber crumbs (FRC) from waste tyres as a partial replacement for sand in brick production. The study focused on determining the design mix that yields optimal strength characteristics when assessing two...
Alkali–silica–reaction (ASR) in concrete has always been a significant hidden threat, which could cause the expansion and lead to internal stress, ultimately resulting in extensive damage to infrastructure. This study proposes a novel approach to investigate the potential of waste dolomite powder (WDP) as an inert material in mortar to mitigate ASR. The accelerated mortar bar...
The generation of construction and demolition (C&D) waste is substantial and continues to grow annually. Despite this, only a limited portion of concrete byproducts have been repurposed using recycled concrete aggregates (RCAs) for concrete production. This study examines the feasibility of utilizing RCAs obtained from C&D waste in the production of solid masonry blocks (SMBs...
The low water flux and high production cost of ceramic membranes for vacuum membrane distillation (VMD) are among the factors limiting their feasibility for desalination applications. To address this challenge, highly permeable anodic alumina membranes were modified and evaluated for their properties in VMD using a highly permeable support. Owing to the nanostructures on its...
Solar energy is a renewable and eco-friendly alternative solution of fossil fuels (coal, gas and crude oil), providing an endless supply of energy. Solar cell is a semiconductor device which converts light energy into electrical energy, making them accessible and scalable for production. Quantum dots solar cell (QDSSC) has several advantages such as higher absorption coefficient...
Exfoliated La-doped g-C3N4, namely La(x%)-eCN-N (x = 0.1%– 10%), was prepared via in-situ La doping and thermal treatment. The photocatalytic activity of La(x%)-eCN-N was explored through the degradation of methyl orange (MO) under visible light and then optimized by varying the loading of La dopant. The optimised La(1%)-eCN-N displayed an enhanced photocatalytic performance over...