Chairs' Opening Speech addressing the audience
By transforming complicated, high-dimensional biomedical data into clinically actionable insights across the care continuum, the convergence of bioinformatics and artificial intelligence is transforming healthcare. In fields including oncology, neurology, and autoimmune illnesses, AI-driven algorithms now incorporate multi-omics profiles, medical imaging, and electronic health records to...
This keynote presents a 10 year journey into graphenated carbon nanotubes (g-CNT), an advanced hybrid carbon architecture where graphene foliates emerge directly from the walls of carbon nanotubes to form an ultra-light and highly conductive three-dimensional aerogel. The talk invites the audience to explore how this unique structure evolved from fundamental discovery into a platform material...
The primary goal of the study is to create an Aluminium A356 Functionally Graded alloy (A356 FG alloy) by vertical centrifugal casting after stir casting. After T6 heat treatment at various aging temperatures, the optimal aging temperature was determined to be 165°C. Using Vickers' microhardness instrument, the hardness was determined to be 50% greater in the higher hardness zone (Outer zone)...
Arthritis is a chronic inflammatory condition that demands safer and more effective therapeutic alternatives. The present study investigated the anti-arthritic potential of UNIM-R, a polyherbal dermal oil formulated using Eucalyptus globulus oil, Ferula asafoetida resin, Matricaria chamomilla stem, Styrax benzoin resin, and Sesamum indicum seeds. The formulation was evaluated in...
Nanomaterials are materials in the nanometer scale from 1 to 100 nm. Their numerous advantages which includes miniaturization and enhanced energy efficiency has made them popular to be deployed in many industrial applications including electronics, medicine, energy, environment, materials and consumer products. In this paper, our focus will be how we can use carbon based nanomaterials in...
This work presents a comprehensive overview of the development of ETL-free perovskite solar cells, highlighting their progress, current challenges, and prospects. By eliminating the electron transport layer (ETL), these devices simplify the solar cell architecture, reducing fabrication complexity and cost while maintaining competitive performance. The discussion begins with the fundamental...
In this study, the parameters of the PI-type linear controller designed to regulate the liquid level in a coupled-tank system were optimized using three nature-inspired algorithms: Fata Morgana (FATA), Fox Optimization (FOX), and Moss Growth (MOSS). First, a nonlinear mathematical model of the coupled-tank system was derived to accurately represent the system dynamics. Subsequently, the...
The aim of this thesis is to assess the liquefaction potential of the Aziziye District of Erzurum Province and to determine the region's seismic safety in terms of soil properties. In this context, the aim was to calculate the liquefaction potential of the study area using the methods recommended by Iwasaki et al. (1982) and Sönmez and Gökçeoğlu (2005). As part of the field studies, boreholes...
Carbon and graphene quantum dots (CQDs and GQDs) are highly attractive for a wide range of applications due to their excellent characteristics, including high photoluminescence, tunable bandgap, water solubility, and biocompatibility. These nanomaterials exhibit strong quantum confinement and edge effects, which can be further modulated through surface functionalization with groups such as...
Nanomaterials based on WO3-x have emerged as highly promising materials due to their unique chemical and physical structures. The intentional introduction of oxygen vacancies in these nanostructures significantly enhances their optical and electronic properties. For instance, they are used in the fabrication of optical and gas sensors, smart windows with photochromic capabilities, and...
Background: Colostrum, an immunologically active biofluid rich in proteins, lipids, and vesicular structures, contains extracellular vesicles that exhibit remarkable stability and biocompatibility. Colostrum-derived extracellular vesicles (CDEVs) have recently attracted attention as natural nanocarriers due to their ability to withstand digestive conditions, cross biological barriers, and...
Baited Remote Underwater Video (BRUV) systems have emerged as one of the most effective non-invasive tools for assessing marine biodiversity, detecting species presence, and monitoring fish assemblages across a wide range of habitats. By using bait as a controlled attractant and deploying underwater cameras on fixed frames, BRUVs provide standardized, replicable observations of demersal and...
This study examined public perception of artificial intelligence across Türkiye using open-access data from the 2024 Turkish General Social Survey (TGSS). To this end, the increasing role of artificial intelligence in every field was addressed, and studies on artificial intelligence perception across the country were reviewed. In this context, the analysis and presentation of the data used...
Electrodes with enhanced active surface area were successfully synthesized by electrochemical methods using excellent L-glutathione nanostructured materials, prepared with the aim of eliminating heavy metals that may endanger human health, particularly in beverages. Most importantly, through these electrochemical methods, high-performance L-glutathione nanostructured electrodes can be directly...
Occupational accidents have long been recognized as a major social issue. This issue becomes even more pronounced in the industrial and construction sectors, where dynamic workflows, heavy equipment, and hazardous materials create inherently elevated levels of risk. Asphalt plants, where hot-mix asphalt is produced, involve multiple hazards such as high temperatures, bitumen fumes, heavy...
High-quality steel production is influenced by numerous factors, including chemical composition (particularly carbon content), process parameters (heat-treatment durations, charge amounts, preheating values), scrap quality, and the control mechanisms utilized during the production cycle. The relationships among these variables and the impact of process parameters on steel quality can be...
Soil liquefaction is the sudden loss of strength and stiffness in water-saturated, loose, and cohesionless (non-clayey) granular soils (especially sandy and silty soils) due to cyclic dynamic loading (vibrations) during an earthquake. As a result, the soil, instead of behaving like a solid, temporarily becomes fluid, like a viscous liquid. When liquefaction occurs, the soil loses its bearing...
This study evaluates the importance of occupational health and safety (OHS) practices in the rapidly growing solar energy sector and examines preventive strategies for sector-specific risks. Although renewable energy technologies have environmental and economic advantages, occupational risks faced by workers, especially during photovoltaic (PV) panel installation, maintenance processes, and...
Antibiotic resistance remains one of the most pressing global health challenges, driving the urgent need for innovative strategies that can enhance the effectiveness of existing antimicrobial agents. Essential oils derived from medicinal plants, such as thyme (Thymus vulgaris), contain bioactive compounds with recognized antibacterial potential and may serve as promising adjuvants to...
Physics-Informed Neural Networks (PINNs) are a deep learning approach that directly integrates the differential equations governing physical systems into the learning process of artificial neural networks. This method is increasingly preferred in engineering applications due to its low data requirements and its ability to produce more consistent results by embedding physical laws within the...
In recent years, there has been growing interest in plants rich in natural antioxidants and bioactive compounds, with quince leaves emerging as a notable example. Due to their high phenolic and antioxidant content, quince leaf extracts serve as effective natural antioxidants, offering a sustainable alternative to synthetic antioxidants. Over the past decade, emerging extraction technologies...
The preservation of genetic diversity is fundamental to effective biodiversity research, conservation planning, and long-term ecosystem management. Türkiye, situated at the junction of major biogeographic regions and home to rich terrestrial, freshwater, and marine biota, remains underrepresented in global biodiversity and genomic datasets. Recent international analyses highlight large...
Exopolysaccharides (EPS) are macromolecules with structural diversity that play important roles in various biological processes. EPSs obtained from natural sources such as plants, algae, fungi, and bacteria exhibit a broad pharmacological spectrum, including antitumor, immunomodulatory, and antioxidant effects. Microbial polysaccharides offer significant advantages over plant or animal...
Postbiotics are compounds formed after metabolic processes of probiotic microorganisms and have the potential to exert positive health effects. Nanoparticles are carriers, designed at the molecular level, capable of exerting targeted effects. The food industry utilizes zinc oxide (ZnO), a source of zinc, as an essential micronutrient and is listed as a Generally Recognized As Safe (GRAS)...
The global shift toward renewable energy has become a cornerstone of strategies to reduce greenhouse gas emissions and achieve climate resilience. While technologies such as solar, wind, geothermal, hydroelectric, and bioenergy dominate the visible landscape of this transition, their efficiency and scalability fundamentally depend on advanced materials with highly specific functional...
In this study, a deep learning model based on the Vision Transformer (ViT-B/16) architecture was employed to automatically classify cauliflower leaf diseases using image data. The VegNet dataset, which consists of four classes—Black Rot, Downy Mildew, Bacterial Spot Rot, and Healthy—was utilized to evaluate the effectiveness of the proposed method. All images were manually divided into...
The rapid rise of antibiotic-resistant bacteria and the limited development of new antimicrobial agents highlight the urgent need for alternative therapeutic strategies. One promising approach is the use of synergistic combinations of antibiotics and essential oils, which may enhance antibacterial efficacy through complementary mechanisms. Essential oils, known for their broad-spectrum...
Ultrasonic Pulse Velocity and Schmidt Hammer methods, being non-destructive testing (NDT), carry certain limitations and may also yield different results due to factors originating from the concrete's microstructure. In this study, strength measurements were performed using both methods on produced mixtures, taking into account some frequently changed concrete parameters in practice, and the...
Effective thermal management remains essential for enhancing the performance and operational stability of modern electronic systems. In this study, a numerical investigation was conducted to examine the influence of mini-channel quantity on the thermo-hydraulic behavior of a modified heat sink configuration. Cylindrical mini-channels were integrated along the flow direction to enhance heat...
Carbon quantum dots (CQDs) are carbon-based new class of fluorescence materials with a particle size of less than 10 nm. CQDs represent strong fluorescence properties, chemical inertness, high solubility in water, and biocompatibility. With these unique properties, they have been employed in various applications including the bioimaging, biosensing, diagnosis and treatment. A myriad of...
Today, with increasing urban life and the isolation brought about by digitalization, the number of physical and mental illnesses is rapidly increasing. Furthermore, the fact that the proportion of disabled individuals in the global population is approximately 16%, and in Turkey it is at 10-13% level, clearly demonstrates the need for innovative, inclusive, and accessible landscape designs that...
Allocating public funds to the most suitable entrepreneurial projects is critical for ensuring resource efficiency. Since this allocation also influences economic growth, the project evaluation process requires a precise approach. This study presents a model for the KOSGEB Entrepreneur Support Program designed to remove subjectivity and establish a balanced evaluation framework. To achieve...
The integration of microneedle technology into drug and vaccine delivery systems offers an innovative approach due to its advantages, such as applicability against a wide range of diseases, applicability in the field of immunology, minimally invasive structure, and high bioavailability. Microneedles, which are micron-sized needles designed to penetrate the outer layer of the skin and are...
This study experimentally investigates the performance of a finned thermoelectric cooling structure designed to mitigate power losses in photovoltaic (PV) panels caused by temperature rise, as well as the effect of forced airflow applied to enhance heat dissipation from its hot side. Under standard test conditions, PV panels generate maximum power at a cell temperature of 25 °C, and any...
Carbon quantum dots (CQDs) have garnered significant attention in recent years due to their strong fluorescent properties, high water solubility, and biocompatibility. These characteristics make them valuable in biomedical fields such as sensing, bioimaging, diagnosis, and treatment. Various materials, ranging from pure organic compounds to waste products, have been used as precursors in CQD...
In this study, a vertical shell-type heat exchanger was used as the superheating-cooling unit in a vapor-compression heat pump. R417A gas was selected as the refrigerant, requiring no additional modifications to the system. The ambient temperatures of the condensers and evaporators used in the system were 22°C and 15°C, respectively, and the airflow velocities were 3.7 m/s and 4.6 m/s,...
This study investigates the long-term mechanical performance of high-strength steel fiber-reinforced concrete (SFRC) incorporating calcined boron waste with increased amorphous content. Calcined waste was used as a partial cement replacement at ratios of 5%, 10%, and 15% to prepare the mixtures. The mechanical behavior was monitored over a three-year period through compressive, flexural, and...
Metal oxide nanoparticles (MONPs) have become increasingly used materials in food production and packaging processes in recent years. Titanium dioxide, zinc oxide, and silica nanoparticles, in particular, are preferred for purposes such as extending product shelf life, improving color and texture, and inhibiting microbial growth. However, the nanoscale nature of these particles complicates...
Composite materials have become increasingly important in aerospace and automotive applications due to their high specific strength, corrosion resistance, superior fatigue properties, and inherent vibration damping capabilities. These advantages make them particularly suitable for lightweight structural components where performance, durability, and efficiency are critical design factors. In...
This study aimed to evaluate the effects of Genistein, an isoflavone antioxidant found in soy, on liver cancer (HepG2) and healthy (HDF) cells by assessing its influence on antioxidant activity, cell viability, and CD36-mediated lipid transport. Cells were cultured and prepared for treatment. Cell viability was measured using the MTT assay. CD36 levels were quantified with a CD36 ELISA kit....
Vegetable oils are a fundamental energy source in human nutrition, as well as important components for the transport of fat-soluble vitamins and sensory quality. However, all vegetable oils, especially corn oil which is rich in polyunsaturated fatty acids, are quite susceptible to oxidation. Oxidation consists of chain radical reactions that lead to deterioration of taste, odor, and color, as...
Manual annotation of large text datasets is both time- and cost-intensive, leading to a growing need for semi-supervised learning methods. Furthermore, inconsistencies among human labelers directly impact the quality of synthetic label generation due to the sensitivity of semi-supervised models to initial labels. This study examines the impact of multi-labeler consistency on BERT-based...
The rapid population growth in urban areas, increasing construction, and the rise in flood events due to climate change are altering the quality and quantity of water resources. Therefore, rainwater management in cities has become a multi-dimensional planning and resilience issue. The increasing fragility of water resources in cities further complicates urban rainwater management. Nature-based...
Nanostructured materials provide high mechanical stability, high strength, and excellent thermal conductivity. However, preparing coherent nanostructures presents challenges. Furthermore, morphological properties vary depending on preparation techniques and experimental parameters. In this study, the structural, optical, and surface properties of iron-doped WO3 structures grown by the RF-DC...
With the increasing importance of heat transfer applications, the development of new methods to increase energy efficiency and reduce energy consumption has become inevitable. In this context, the use of nanofluids as an alternative heat transfer medium offers higher heat transfer performance compared to conventional fluids, thereby reducing energy losses. Entropy analysis, a measure of energy...
This microscopic study aims to characterize the structural organization of secondary encapsulated immune organs, specifically the spleen and lymph nodes, in the gray marmot (Marmota baibacina). The gray marmot serves as a principal reservoir in Central Asian plague foci and plays a critical role in zoonotic pathogen dynamics; however, its lymphoid anatomy remains poorly characterized....
Colon cancer can occur as small, non-cancerous cell masses called polyps that form in the lining of the colon. Targeted cancer therapy is a method in which substances or drugs are used to target cancer cells without affecting normal cells. This method often uses nanoparticles. Among the nanoparticles that are of great importance are carbon nanotubes, which have many applications in medicine...
Sinkholes are a global challenge, and several countries are affected by them. Timely identification of sinkholes and monitoring of subsurface soil conditions are highly important. However, the main challenge for different countries lies in the methods of preventing and mitigating sinkholes. Accordingly, considering the distribution of sinkholes in various countries, this paper addresses the...
Breast cancer is one of the most common cancers among Iranian women, and 7,000 women are diagnosed with this cancer annually. Currently, this technology is used in various medical fields, but one of the most important areas of nanomedicine is related to cancer treatment, because it has had very positive effects on it so far. Iron and manganese oxide nanoparticles are particles in the size...
The potential of fluorescence spectroscopy was assessed to study cow, goat, sheep and yak meat. Meat samples were taken from muscles, viz. Gluteus medius (GM), Longissimus dorsi (LD) and Semitendinosus (ST). The moisture, fat and protein content of meat samples were measured. The emission fluorescence spectra of tryptophan (305–500 nm), riboflavin (410–700 nm) and vitamin A (340–540) were...
In recent years, the link between cancer pathogenesis and neurotransmitter systems has gained increasing attention, particularly the regulatory role of dopamine in tumor biology. Dopamine, a monoamine neurotransmitter, can enhance antitumor responses through dopamine receptors (DRs). The Caco-2 colorectal adenocarcinoma cell line serves as a suitable model for studying DR-mediated signaling...
The rapid evolution of perovskite photovoltaic technology has positioned cesium lead iodide (CsPbI₃) as a promising candidate for next-generation solar cells due to its exceptional thermal stability, suitable bandgap, and long carrier diffusion length. However, achieving practical device efficiencies remains constrained by suboptimal layer configurations, defect-induced recombination, and...
This study evaluates groundwater vulnerability and contamination in Osubi and surrounding communities, Delta State, Nigeria, using an integrated geophysical, hydrogeological, and geochemical approach. The investigation combined 1D, 2D, and 3D electrical resistivity surveys (21 Wenner–Schlumberger profiles and 38 VES), ten MASW seismic traverses, hydrogeological data from fifty hand-dug wells,...
Copper Iodide (CuI) thin films synthesized using monoethanolamine (MEA) as a green solvent exhibit high optical transparency and uniform planar morphology, supporting their function as efficient hole transport layers (HTLs) in perovskite solar cells. Using this low-temperature, additive-free method, γ-CuI with a zinc-blende structure was successfully obtained. Despite these promising outcomes,...
Carbon-based nanomaterials are emerging as key modifiers in 3D bioprinting due to their electrical, surface, and biochemical properties. They enhance shear-thinning, print fidelity, and mechanical strength by forming conductive polymer–nanomaterial networks. They also influence ionic flux, Ca²⁺ dynamics, and redox conditions through controlled ROS generation, supporting signaling pathways...
Glioma progression is driven by dysregulated signaling networks, including CDK4-Cyclin D3, PI3K-Akt, and EGFR pathways. Targeting CDK4-Cyclin D3 offers a promising therapeutic strategy. A systems-level computational approach was employed to identify potential CDK4-Cyclin D3 inhibitors from the OTAVA library. Network pharmacology, molecular docking, MMGBSA, AutoQSAR modeling, Density function...
Ensuring food and nutrition security remains a major challenge in Kyrgyzstan, where 40% of the population cannot afford adequate nutrition, 70% of children under five lack minimally diverse diets, and 47% suffer from micronutrient deficiencies, especially iron. Meanwhile, non-communicable diseases account for up to 80% of deaths (WHO, 2019), highlighting the urgent need for healthier dietary...
Rapid population growth and urbanization have accelerated waste accumulation, pushing the biosphere beyond its natural regenerative capacity under the prevailing linear “take–make–use–dispose” model. Transitioning to a circular economy is essential for mitigating environmental degradation. This study aims to identify environmentally harmful yet abundantly available waste materials that could...
By incorporating functional and stimuli-responsive nanoparticles, passive bioprinted scaffolds can be transformed into controllable and adaptive material systems. Such particles impart chemical, electrical, magnetic, and light-responsive behavior while reinforcing polymer networks and improving rheology. These nanoparticles create nanoscale domains that convert external stimuli into localized...
The incorporation of insect-based protein into muffins is a growing trend in the food industry due to the demand for sustainable and nutritious options. Insect proteins provide a robust nutritional profile, encompassing high-quality protein, and essential amino acids, making them an appealing substitute for conventional protein sources. This research aimed to analyze the chemical composition,...
Diabetes mellitus, a chronic metabolic disorder characterized by hyperglycemia, impairs oral wound healing through fibroblast dysfunction, persistent inflammation, and excessive apoptosis, leading to delayed closure and higher infection risk. While graphene-based nanomaterials show promise for tissue regeneration, their effects on fibroblast survival in diabetic oral wounds remain poorly...
Perovskite solar cells (PSCs) are a leading candidate for next-generation photovoltaic technology, offering high-power conversion efficiency (PCE) and cost-effective fabrication. While is conventionally used as the electron transport layer (ETL), its required high-temperature crystallization (450) severely limits its integration into flexible devices built on heat-sensitive substrates. The...
This study employs electrical resistivity methods—Vertical Electrical Sounding (VES) and 2D Electrical Resistivity Imaging (ERT)—to delineate subsurface peat and clay deposits in Orile Whitesand, Orile–Iganmu, Lagos State, Southwestern Nigeria. A total of twenty-four (24) VES and eight (8) 2D resistivity profiles were acquired using a PASI Terrameter (Model 16GL). The Schlumberger array was...
Perovskite solar cells (PSCs) have rapidly advanced in recent years, achieving impressive power conversion efficiencies. However, challenges such as sensitivity to heat, moisture, and the need for high-temperature processing hinder their long-term stability and commercialization. Traditional PSCs typically use electron transport layers (ETLs) alongside hole transport layers (HTLs) to...
Salinity detection plays a vital role in environmental monitoring, the food industry, and healthcare. Traditional methods such as conductivity meters or titration often involve bulky equipment, high costs, and limited sensitivity, making them less suitable for compact or cost-effective applications. This project focuses on the development of a zinc oxide (ZnO) coated tapered D-shape Plastic...
This study provides a comprehensive assessment of the macro- and micromorphological changes in yak (Bos grunnies) hindlimb muscle during storage under refrigeration (+4 °C) and freezing (-22 °C) conditions. Meat is a complex, nutritionally valuable food source, composed of muscle fibers, fat, connective tissue, blood, nerves, and vascular structures, with its quality dependent on the...
In recent years, considerable attention has been directed toward exploring alternative materials for screws used in jawbone tissue replacement. Nevertheless, issues related to the cytotoxicity and biocompatibility of these materials remain subjects of ongoing debate. In this study, we developed a novel implant for jawbone tissue regeneration by depositing a titanium carbonitride (TiCN) film...
This study investigates groundwater contamination and aquifer vulnerability in the Ifewara area, Southwestern Nigeria, through an integrated geophysical and hydrochemical approach. Vertical Electrical Sounding (VES) was employed to characterize subsurface stratigraphy, while Atomic Absorption Spectrometry (AAS) analyzed trace metal concentrations in groundwater from five boreholes and five...
Fe-Pt nanoparticles were synthesised from Fe-Pt alloy electrodes using pulsed plasma in ethanol. As synthesized A1 and annealed L10 type FePt nanoparticles were studied by XRD, HR-TEM analysis and VS-Magnetometer. VSM indicated strong ferromagnetic behaviour at room temperature.
By incorporating functional and stimuli-responsive nanoparticles, passive bioprinted scaffolds can be transformed into controllable and adaptive material systems. Such particles impart chemical, electrical, magnetic, and light-responsive behavior while reinforcing polymer networks and improving rheology. These nanoparticles create nanoscale domains that convert external stimuli into localized...
Dracocephalum imberbe Bunge (Lamiaceae) is a perennial species endemic to the Alai Range, Kyrgyzstan, traditionally used in ethnomedicine. Its aerial parts are employed in decoctions and infusions for respiratory and gastrointestinal ailments and exhibit mild anti-inflammatory effects. Quantitative assessment of macro- and micronutrient composition in both aerial and root tissues is critical...
This study aims to analyze the effect of the lateral movement mechanism occurring during the chewing movement on the pure titanium material-based implant body using the Finite Element Analysis (FEA) method. In this study, a pure titanium-based dental implant material designed to international standards was subjected to 0.5 mm lateral movement mechanisms under a 70 N bite force. The force...
This study investigates the structural, compositional, and thermal transformations of Perna viridis (PVS) shells heated at 100, 500, and 1000 °C using FTIR, XRD, and TGA/DTG analyses. The FTIR spectra of the raw shell reveal the presence of adsorbed water, organic matrix components, and calcium carbonate in the aragonite form. Heating at 500 °C induces a clear phase transition from aragonite...
In recent years, the use of naturally derived bioactive compounds as adjunct therapeutic agents for the treatment of various diseases has received increasing attention in the medical and pharmaceutical sciences. Curcumin, as demonstrated in numerous studies, exhibits potent anti-inflammatory, antimicrobial, antiviral, and antiphrastic activities, and has proven beneficial in the management of...
The structure of the boundary layer in the asymptotics of a singularly perturbed Volterra-type integral equation is determined by the kernel of the integral equation. Researchers studying singularly perturbed integral equations have transformed them into integro-differential equations by differentiation, and then they have constructed the asymptotics. We will directly regularize the integral...
This study addresses the urgent necessity of creating effective pedagogical and methodological tools to enhance students' thinking structures and natural science competencies (NSCs) within modern education. Highlighting contradictions between National Education Standards and students' low competency levels, the research aims to provide a theoretical justification and experimental verification...
Dye-sensitized solar cells (DSSCs) are among the most promising low-cost alternatives to silicon-based solar cells, offering substantial power conversion efficiency due to their compact size, ease of preparation, and high resistance and sensitivity to weather changes. Recent technological advancements have shifted toward flexible, versatile, and portable electronics, as well as simpler device...
Demand fluctuations and increasing product variety make production planning a significant challenge in the textile industry. In environments where parallel machines operate with varying capacities and sequence-dependent setup requirements, accurate demand forecasting becomes essential for establishing realistic schedules and improving resource utilization. This study focuses on developing a...
This study aims to design and manufacture a Programmable Logic Controller (PLC) controlled wear device with high accuracy and precision that can simultaneously move in two axes through the wear process. Within the scope of the study, synchronous step motors that can provide lateral and vertical axis motion drive and a PLC controller that can provide real-time control were used through the wear...
The synthesis of nanoparticles using plant extracts is a simple, cost-effective, and environmentally friendly method. Medicinal plants have long been valued for their therapeutic properties, and their use continues to increase today. Accordingly, extensive research is being conducted to revisit and revitalize the applications of these natural, non-chemical remedies, with modern technologies...
The forced convection heat transfer behavior of water-titanium oxide (TiO₂) nanofluid was investigated numerically in a system consisting of a hollow tube in the middle of which water flows within a star-section channel. In this study, the motion and heat transfer of the nanofluid were modeled under the assumption of single-phase flow and the channel walls were evaluated under the condition of...
This study addresses a second-order singularly perturbed problem using cubic B-spline functions. We first examine the properties of these functions and then introduce their dual basis for function expansion. Next, we construct an operational matrix of derivatives for the cubic B-splines. A hybrid scheme is developed to solve the problem efficiently. The numerical results demonstrate the...
Abstract
Thymus incertus Klok, a member of the Lamiaceae family, is widely recognized in pharmacopoeias and ethnomedicine for its therapeutic properties. Its extracts are used to manage gastrointestinal disorders, cough, bronchitis, and pertussis, and as antiseptics for oral hygiene, wound care, and throat rinses in laryngitis. Bioactive constituents, including essential oils and thymol, are...
The development of conductive and mechanically robust nanofibers remains a significant challenge for advanced applications in sensors, energy devices, and flexible electronics. This study addresses the need for enhanced nanofiber performance by fabricating carbon-based nanofibers reinforced with carbon fillers through an optimized electrospinning process. Polyacrylonitrile (PAN) (0.2–1.0 g)...
Commercially pure titanium is often preferred in biomedical applications due to their high biocompatibility behaviour. However, the inadequate wear, fatigue and corrosion resistance of titanium limit their use as a biomaterial in the human body. The purpose of the present study was to investigate contact- and contact-free wear resistance and hardness of titanium for biomedical applications. In...
The thermal conductivity of nanofluids, suspensions of nanoparticles in base fluids, can be significantly influenced by the fractal nature of nanoparticle aggregates. Fractal structures, characterized by self-similarity across multiple scales, determine how nanoparticles cluster and form conductive pathways within the fluid. This study investigates the effect of fractal phenomena on the...
Background: Indonesia's Free Nutritious Meals Program (MBG), launched in January 2025, has served more than 40 million recipients through more than 15,000 kitchens throughout Indonesia. As of October 2025, there have been 11,660 cases of food poisoning from 211 incidents in 25 provinces (88 districts/cities), accounting for 48% of all incidents. The massive increase in cases indicates the need...
Exosomes released from cancer cells are nano-vesicles that play a critical role in reshaping the tumor microenvironment and disrupting the functions of distant cellular targets. Through their cargo—oncogenic miRNAs, pro-inflammatory proteins, tumor-specific metabolites, and DNA/RNA fragments—they alter intercellular communication pathologically. Exosome-mediated damage compromises both central...
In recent years, there has been a growing emphasis on the use of sustainable energy resources to reduce carbon emissions and improve energy efficiency. In this study, an energy and exergy analysis of a trigeneration system consisting of a double-flash geothermal cycle, a domestic water heater (DWH) system, and a humidification- dehumidification (HDH) desalination unit has been investigated....
Presented in this paper is a numerical method based on interpolation and collocation for solving singularly perturbed boundary value problems whose solutions exhibit boundary layers. First, the general properties of such singularly perturbed boundary value problems are discussed. Next, a Lagrange interpolation scheme using Chebyshev nodes, combined with collocation at same points, which yields...
The study focuses on developing a low-cost and reliable methane gas sensor using a TiO₂–graphene composite material connected to an Adafruit platform for easy monitoring and data collection. Methane is a flammable gas commonly found in homes, industries, and the environment, so early detection is important to prevent accidents. TiO₂ is widely used in gas sensors because it is stable and...
Industrial and mining industries cause heavy metal and chemical pollution in many regions around the world. Synthetic dyes are an example of chemical pollutants and pose a threat to the environment due to the aromatic rings, azo bonds or metal complexes they contain. Kyrgyzstan is a country in Central Asia consisting largely of mountainous areas. Since the Soviet era, it has become a...
Dynamic Light Scattering (DLS), also known as photon correlation spectroscopy or quasi-elastic light scattering, is a widely used technique for characterizing nanoparticle size, size distribution, and aggregation behavior in dispersions, making it essential for nanofluid research engineered colloidal suspensions of nanoparticles in base fluids such as water, ethylene glycol, or oils. The...
Drilling costs and CO₂ emissions in oilwell drilling are direct functions of the time spent on drilling operations. This is because all the energy used during the drilling operations is generated on site by diesel-electric systems. The longer the operations take, the greater the diesel consumption, and the higher are costs and emissions. However, drilling time varies significantly from one...
Abstract
Plants of the Cousinia genus, belonging to the Asteraceae family, are traditionally used for external applications, including compresses, baths, washes, and poultices, primarily to treat eye disorders. They also serve as a source of glucofructans (inulin). Among them, Cousinia carduncelloidea Regel & Schmalh is widely recognized in Central Asian folk medicine. Despite its...
The detection of methane gas is critically important for safety, environmental monitoring, and industrial process control, particularly in enclosed or high-risk areas such as laboratories, landfills, and gas pipelines. In confined spaces, excessive methane concentrations can result in explosions or suffocation, while its emission into the atmosphere significantly contributes to climate...
In drilling operations, drilling fluids are used to improve drilling operations and bring drilling cuttings to the surface. The formulation of these fluids, commonly known as drilling mud, is one of the most important factors of a successful drilling operation. Considering that the major part of the costs of drilling a well is related to the supply and pumping of drilling mud, the use of more...
Ethanol is a colourless, volatile, and flammable liquid that is widely used in industrial, medical, and consumer applications. However, prolonged ethanol exposure to humans at 1000 ppm and above can pose a serious health risk with symptoms such as throat irritation, dizziness, intoxication, and unconsciousness if the concentration continues to increase. This makes the detection of ethanol...
This study presents a cost-effective and innovative ethylene gas detection system designed to monitor fruit ripening and minimize postharvest losses. The system integrates a commercial MQ135 gas sensor with a single fabricated TiO₂-based sensor to detect ethylene gas through voltage variations under controlled parameters. The TiO₂ sensor was fabricated and characterized to evaluate its...
Accreditation processes in Turkish higher education have become increasingly detailed and demanding under efforts to meet the standards and requirements of MEDEK, MÜDEK, and YÖKAK. Institutions must collect and manage large amounts of data, demonstrate consistent alignment between program outcomes and national frameworks, document assessment and improvement cycles, and prepare periodic reports...
In this study, Production and investigation of the physicochemical and sensory properties of low-fat mayonnaise using pomegranate peel powder was carried out. The objective of this research was to produce low-fat mayonnaise enriched with fiber and nutrients by replacing part of its fat content with pomegranate peel powder to develop a functional low-fat mayonnaise. The studied treatments...
Aromatic micropollutants (AMPs) are a group of organic chemical compounds that have an aromatic ring structure and may be substituted with various functional groups such as hydroxyl, amino, nitro or halogen. These pollutants are found in very low concentrations in surface water, ground water and waste water. Investigating the relationship between the chemical structure of Aromatic...
