Discarded expanded polystyrene (EPS) poses significant environmental challenges due to its accumulation in landfills and resistance to degradation. Upcycling EPS into 3D-printable recycled polystyrene (rPS) filament for use in fused filament fabrication (FFF) shows a promising sustainable solution. This study explores the mechanical recycling of EPS into rPS resin, which is then extruded into...
The experimental study investigates the stability, thermophysical, and tribological characteristics of cellulose nanocrystal (CNC), aluminum oxide (Al2O3), and hybrid CNC-Al2O3 nanolubricants as additives in SAE 40 engine oil. Stability assessments were conducted through sedimentation observation, UV-visible spectroscopy, and zeta potential analysis at various concentrations (0.01% to 0.05%)...
This study presents a green synthesis approach for fabricating tin oxide nanoparticles (SnO₂ NPs) using Morinda citrifolia leaf extract as a reducing and capping agent. The influence of varying extract concentrations (ratios 1:1, 1:3, 1:5, 1:7 and 1:10) on the structural, optical and compositional properties of SnO₂ NPs was systematically investigated. Characterization was performed using...
Advances in optical sensor technologies have been substantial in recent years, especially in the detection of biomolecules like Bovine Serum Albumin (BSA), driven by the need for more sensitive and precise diagnostic tools. The detection of BSA plays a critical role, particularly in the early diagnostic tools for chronic kidney disease. This work aims to investigate the performance of three...
This study evaluates the peformances of an energy harvester prototype. The fabricated energy harvester comprises of a PDMS-based mechanical membrane and an electromagnetic component, designed to convert vibrational energy into low power electricity. The prototype was tested on three distinct vibrating machines: a Dynamic Rotor Machine, a motorcycle engine, and a Boeing 737-600 aircraft...
In recent years, a lot of attention has been directed toward the use of recycled materials in three-dimensional (3D) printing, driven by the need for better plastic waste management and sustainable practices. This study focuses on the development of sustainable post-consumer polypropylene (rPP) filaments for use in fused filament fabrication (FFF). The rPP were produced by blending...
Microwave hyperthermia (MWH) is an application using mild heat at a temperature range of 40-42°C to treat cancers. The source of local mild heat is emitted from the friction forces of oscillated dipole actions of water molecules in tissues. The local mild heat attracts temperature-sensitive anticancer drugs which allows efficient chemotherapy and reduce side effects. Unfortunately, studies...
A sustainable green synthesis of zeolite from kaolin was cooperated in soil to reduce the leaching effect for environmental sustainability. An experiment was conducted to determine the effects of cation-binding mineral zeolite on nitrogen leaching, yield, and nitrogen absorption of cherry tomatoes in a pot. There are seven distinct experimental treatments: Control High (CH); Control Standard...
Aflatoxins are secondary metabolites produced by Aspergillus flavus and Aspergillus parasiticus. Among them, aflatoxin B1 (AFB1) has garnered the most attention due to its toxigenic, mutagenic, and carcinogenic properties. Researchers worldwide have explored various strategies to mitigate the presence of these hazardous toxins. One of the most cost-effective approaches for reducing AFB1...
The correlation between humidity control, measurement, and daily human life is significant. Precise humidity measurement plays a crucial role in various applications, including industrial manufacturing, agricultural output, environmental monitoring, and food safety. This research focuses on the development and evaluation of a fiber optic humidity sensor incorporating rhenium disulfide (ReS₂)...
This study focused on the application of nanoceramic particles to enhance the surface properties of UNS S31803 steel through the deposition of titanium carbide (TiC) nanoparticles, sized 5 nm and 10 nm, using the tungsten arc melting technique. Despite its advantages, UNS S31803's soft material and low wear resistance are significant challenges for engineering applications, requiring...
This study explores the utilization of nanocellulose derived from durian rind as a reinforcing agent in electrospun nanofibers intended for potential use in livestock semen preservation. Nanocellulose was extracted through alkaline treatment followed by acid hydrolysis and incorporated into polyvinyl alcohol (PVA) solutions. Two surfactants, Tween 20 and Tween 80, were investigated to assess...
With the increasing demand for high-frequency applications due to congestion in lower frequency bands, the need for high-performance diode detectors has become critical. Achieving fast and efficient high-frequency response requires diodes with strong rectification capability and sharp nonlinearity. These electrical characteristics, particularly the I–V behavior of the device, strongly...
Preservation of semen plays a crucial role in artificial insemination and livestock genetic improvement programs. Traditional cryopreservation techniques have limitations, including ice crystal formation, oxidative stress, and reduced post-thaw viability. As a solution, nanotechnology and electrospinning techniques have been explored to enhance the stability, viability, and motility of...
Laminated rubber bearings (LRB) are vital components of most building and bridge structures that support against dynamic loads from various sources. However, the dynamic and non-linear behaviour of rubber deteriorated over time due to environmental heat exposure that induced oxidation inevitably. Plus, failure detection is still a challenge via manual on-site inspection. Recent advancements in...
The successful establishment of oyster mushroom seeds depends on Potato Dextrose Agar (PDA). In this study,the sterilization level of media varied from level 1 to 3. For each sterilization level, PDA were steamed at 102 0C for 60 minutes. The best result was found at the third level which was shown by growing of mycelium. All of spread seeds (F1) produced were good and not contaminated. The...
Aflatoxin are secondary metabolites produced by Aspergillus flavus that infested grains especially grain corn. Among the various aflatoxins, aflatoxin B1 (AFB1) are recognized as highly potent, with its carcinogens to humans and livestock. There were several strategies has been developed to counter the aflatoxin contamination but most of the approaches often comes with limitation. The most...
In this study, niobium (Nb) doped TiO2 nanoparticles, synthesized via the solvothermal method, were utilized to fabricate TiO2 based dye-sensitized solar cells (DSSCs), with E. conferta fruit extract serving as the photosensitizer and ethanol used as the solvent. The synthesized metal oxide semiconductor nanoparticles were characterized using XRD, FESEM, BET, and UV–Vis spectroscopy. The...
This article presents the synthesis and characterisation of lead free BCZT (Ba₀.₈₅Ca₀.₁₅Ti₀.₉Zr₀.₁O₃) nanopowder produced by the solid-state reaction technique, employing two grinding cycles to enhance crystallinity. X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) verified that grinding the materials five times yielded a highly crystalline BCZT with a cubic...
Power conversion efficiency (PCE) from naturally-sensitized DSSCs is typically in the average range (<0.05–1.7%) and requires a thorough understanding of the role of pigment’s molecular structure, electronic properties, anchoring groups, and conjugated double bonds or free π-electrons for improved PCE from enhanced carriers transport and decreased recombination. Narrowband absorption and poor...
Implantable Drug Delivery Systems (IDDS) using nanobiotechnologies offer targeted and sustained drug release by delivering therapeutics directly into the body. This study describes the preparation of electrospun cellulose acetate (CA) nanofibers as sophisticated biomaterials enabled with temozolomide (TMZ), a common anticancer drug used in treating brain tumors, including glioblastoma....
This study addresses the underutilization potential of harvesting mechanical energy from routine human activities, while also addressing environmental and flexibility concerns associated with conventional lead-based piezoelectric materials. With increasing demand for sustainable and eco-friendly energy solutions, lead-free piezoelectric technologies have emerged as a promising alternative,...
The present study investigates the influence of varying phosphate and nitrate concentrations on the biomass production and biochemical composition of Chlorella vulgaris. Cultures were grown under different nutrient regimes to assess growth performance, and key biochemical parameters, including protein, carbohydrate, total phenolic content, and antioxidant activity as measured by DPPH radical...
ABSTRACT
The conventional detection method such as tissue culture and PCR based analyses are expensive, time-consuming that takes up usually to two weeks, and are labor-intensive. In comparison to conventional methods, the use of microfluidics integrated biosensing system can allow for a rapid identification within possibility of 1-2 hours for confirmation, inexpensive, at a very low...
This review objective is to find case of implementable photovoltaics technology for duck farming. To be included, the studies must mention about place of implementation, photovoltaics technology used, photovoltaics implementation, and photovoltaics impacts. The studies does not have to be specifically about duck farming, but the design must be implementable to duck farming. We have included...
Formaldehyde (CH₂O), a toxic, colorless, and flammable gas, is widely used in various industries and household products. Prolonged exposure to formaldehyde poses serious health risks, including irritation of the respiratory tract and an increased risk of cancer. Current formaldehyde detection methods often suffer from limitations such as low sensitivity, high cost, and impracticality for broad...
CO₂ corrosion of mild steel constitutes a significant integrity threat within hydrocarbon transport systems, particularly in crude oil and natural gas pipelines. This study comparatively investigates the temperature-dependent corrosion behaviour of mild steel in CO₂-saturated and CO₂-free environments using weight loss test, surface morphology and phase characterisation. Mild steel samples...
Polymethyl methacrylate is a widely used polymer valued for its mechanical properties, chemical stability, and ease of fabrication. This study investigates the mechanical behavior of PMMA nanostructures under uniaxial tensile loading using molecular dynamics (MD) simulations. The objectives include understanding deformation mechanisms, mechanical stability, and tensile response at the...
Additive metallization using electroless plating has emerged as a promising alternative to traditional subtractive approaches in semiconductor fabrication, offering advantages such as reduced material waste, lower process complexity, and improved environmental sustainability. However, reliability challenges—including the formation of unintended metallic nodules—continue to hinder its...
