TAGRA 2024

In a world where technology evolves at breakneck speed, how do we ensure our research keeps pace?
I hear you say "events"! Yes, the academic events like this will make us ensure we keep pace with the rest of the world.

The success of education systems is directly related to the extent to which students successfully achieve the determined learning and program outcomes. This study addresses the design of a decision support system (DSS) for evaluating students' learning and program outcomes. The designed system enables students' success levels to be measured more precisely and curricula to be effectively...

Chronic wounds are a serious issues in modern healthcare, frequently resulting in prolonged patient suffering and increased healthcare expenses. Recent advances in 3D bioprinting technology have created new opportunities for development of novel therapeutic techniques. This talk addresses the potential of polymer-based drug-loaded nanoparticles developed via 3D bioprinting for chronic wound...

In the context of achieving carbon neutrality, the call for clean fuel alternatives to support the decarbonization of various energy sectors has been growing steadily. Among many potential alternatives, Hydrogen (H2) energy is expected to play a vital role in the energy transition. This is attributed to its potential to reduce the harmful emissions besides its high energy content...

One of the major problems brought on by excessive carbon dioxide (CO2) emissions into the atmosphere is global warming. Many governmental and non-governmental organizations support the transition from fossil fuels to clean energy sources in order to lower CO2 emissions and shield the planet from the catastrophic consequences of global warming. Additionally, research is being conducted globally...

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)...

Silicon Carbide (SiC) Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs) have emerged as a key technology for high-power, high-efficiency applications, particularly in electric vehicles, renewable energy systems, and industrial motor drives. SiC’s superior material properties, such as wide bandgap, high thermal conductivity, and high breakdown voltage, allow it ideal for operating in...

Nanotechnology involves the manipulation of materials in the nanometer scale from 1 to 100 nm. Due to its numerous advantages which includes miniaturization and enhanced energy efficiency it has been deployed in many industrial applications including electronics, medicine, energy, environment, materials and consumer products. In this paper, our focus will be deployment of nanotechnology to...

The development of advanced materials for electromagnetic wave applications, including microstrip patch antennas and electromagnetic wave absorbers, has become pivotal in addressing the growing demand for efficient and compact devices. Carbon nanotube (CNT)-ferrite nanohybrids have emerged as promising candidates, offering unique synergies between the high conductivity of CNTs and the...

Osteoarthritis affects millions of people globally. There are multiple factors contributing towards the onset and progression of this condition. Anti-inflammatory drugs prove to be beneficial in providing relief to the patients. However these drugs have their own side effects and cause adverse effects. Alternative and traditional medicines have provided some breakthrough as therapeutic...

Traditional houses have created unique characteristics with the influence of the climate conditions, site conditions, socio-economic factors, traditions and customs of the region where they are located, and have developed sustainable design strategies that are compatible with the environment. The most important factor affecting building design is the climate factor. The climate factor has...

The rapidly increasing energy demand worldwide is directing countries towards sustainable and renewable energy sources. In this context, the evaluation of waste in energy production both reduces energy costs and contributes to environmental sustainability. Alternative fuels, especially oils obtained from waste plastics, are among the remarkable solutions in the energy sector. Recycling and...

Microplastic pollution has become a global concern, and studies focusing on their fate in aquatic environments give insight on possible transportation routes and environmental impacts. The suspected microplastic occurrence in the gastrointestinal tract (GIT) of pinfish (Lagodon rhomboides) was studied. Pinfish is a benthic carnivore species and prey to piscivorous birds the most popular game...

LoRa (Long Range) technology, which enables low-power and long-distance communication in edge computing systems, is an ideal solution for Internet of Things (IoT) applications. These systems consist of local nodes that perform data processing near the device instead of in the cloud. Low power consumption is especially important for energy-constrained portable devices and remote sensor...

One of the biggest problems of the aquaculture sector is fish diseases. Bacterial fish diseases are an important factor that causes serious financial losses in aquaculture. Antibiotics are used in the treatment of fish diseases. However, excessive antibiotics cause the development of antimicrobial resistance in bacteria in the environment. Antibiotic resistance spreads among bacteria, which...

Fire is one of the important durability problems that cause negativities in civil engineering structures. Irreversible problems occur in the physical, chemical and mechanical properties of concrete elements when structures are exposed to high temperatures during fire. In recent years, it is known that fiber-reinforced concretes have shown significant improvements in mechanical properties,...

Heat transfer plays an important role in industrial and engineering applications. In this research, the effect of aluminum oxide nanoparticles on the forced heat transfer rate in laminar flow in a square cross-section channel is investigated. The governing equations are discretized by the finite difference method on the shifted grid. Nanofluid flow is simulated using single-phase and mixed...

The Detecting vibration anomalies in 3D printers is critical for maintaining print quality and increasing efficiency in production processes. Early awareness reduces costs by preventing faulty production and contributes to longer device life. Artificial intelligence applications using classification and anomaly detection models can detect these errors at an early stage by analyzing the data...

Modern life needs and expectations have increased in line with the rapid population growth and urbanization in the world. In this context, it has become a necessity for states to make investments in order both to maintain their existence and to respond to increasing needs. These investments, which ensure social and economic development, include comprehensive infrastructure projects in areas...

This study focuses on the estimation of emissions produced by pilot boats operating in the ports of Ordu, Giresun, Trabzon, Rize, and Hopa, located in Turkey's Eastern Black Sea region, over the course of 2023. Pilot boats play a critical role in ensuring the safe navigation, docking, and undocking of vessels within port boundaries, making their operational activities a significant component...

The rise in component temperatures during operation represents one of the most significant challenges that electronic devices confront, as elevated temperatures can negatively impact their functionality and potentially lead to irreversible damage. In order to effectively tackle this problem, the utilization of synthetic jet cooling holds considerable promise for enhancing the efficiency of...

Metal oxides such as hematite(α-Fe2O3) are frequently preferred in electronic device design because they are easily found in nature and have low cost and toxicity. It has been used in many studies due to its practical applications. In the studies conducted, experiments and measurements with different parameters are involved in order to examine the properties of the materials. The crystal...

Although solar energy is one of the most promising renewable energy sources, and is considered infinite when compared to human needs, many factors such as low efficiency, large area requirements and high costs limit solar energy systems from being a suitable option to meet energy needs. In the last half century, new approaches have been developed and new research has been conducted on methods...

The lifespan of a ship typically ends when it no longer remains safe, cost-effective, or practical to operate. Ship life varies depending on the quality of construction, maintenance, and specialized work performed, but ships generally remain in service for many years before being decommissioned. In this study, the factors affecting the ship dismantling age were determined by a literature...

Mold contamination of agricultural products poses a significant health threat to consumers. One of the most widespread and persistent toxins is mycotoxins, which are classified as class 1 carcinogens by the International Agency for Research on Cancer. Agricultural products such as peanuts and hazelnuts are the most susceptible to mycotoxin contamination and are of economic importance due to...

Marine functional connectivity plays an important role in the sustainability and resilience of marine ecosystems. It simply refers to the exchange of individuals, genes, and energy between marine habitats, which supports biodiversity, enhances fishery yields, and strengthens the adaptability of marine populations to environmental changes. This study provides an overview of the key...

This study explores the synthesis, powder characteristics, and mechanical properties of an AlCrCo medium entropy alloy (MEA) fabricated via mechanical alloying (MA). Elemental powders of Al, Cr, and Co in equiatomic proportions were subjected to high-energy ball milling to achieve a homogeneous alloy. The evolution of phase formation, crystallite size, and particle morphology during milling...

Water scarcity is one of the main negative impacts of global climate change. Water scarcity is a growing problem in many countries around the world, particularly in arid and semi-arid regions. Accordingly, rationalization of irrigation water has become a necessity for these countries to achieve their sustainable development goals. Constrained irrigation practices in agricultural production...

Temperature control in electronic systems is of critical importance to ensure reliable and efficient operation of equipment. Heat sinks are widely used in these systems to improve heat transfer. Thermal performance of heat sinks is evaluated based on the principle of maximizing heat transfer rate with minimum pressure drop. In this study, in order to determine the effects of geometric...

The aim of this study was to develop nanoemulsion formulations of tarragon (Artemisia dracunculus) essential oils and to investigate their antioxidant, antimicrobial and anticancer properties. Tarragon is a plant rich in tannins, flavonoids, vitamins and other bioactive compounds, and has attracted attention for its antioxidant, antimicrobial and anticancer potential. Tarragon nanoemulsions...

Evaluating the dynamics of aerosols and particle deposition in the respiratory tract accurately is critical for studying inhalation-based drug delivery and the effects of toxic particles. This process involves complex, multiphase flows with different respiratory characteristics and plays a significant role in its impact on human health. Computational Fluid Dynamics (CFD) offers a vital tool to...

Today, with the developing technology and industrialization, the wastewater brought by the rapid population growth parallel to industrial progress threatens the environment and ecosystems more and more every day. Synthetic dyes are seen as one of the biggest causes of environmental pollution. Synthetic dyes, especially azo-dyes, are used in many areas, especially in textiles, leather,...

The presence of lead in the environment poses a serious threat to ecosystems. This heavy metal is an inorganic pollutant that is non-biodegradable and toxic. The adverse health outcomes associated with lead poisoning are numerous and include kidney damage, nerve damage, liver damage, infertility, miscarriages and neonatal deaths. Due to their large specific surface area, high reactivity, and...

In this study, the system created by integrating aluminum foam fins of a certain thickness with pore densities of 20 PPI in a horizontal channel in a inline arrangement was experimentally investigated. Afterwards, aluminum foam fins with different thicknesses and different pore densities were integrated into the channel and numerical analyses were performed. The heat transfer and pressure drop...

The use of waste as an alternative fuel source is gaining increasing interest worldwide due to its dual benefits such as reducing energy costs and reducing environmental damage caused by improper waste disposal. It is very important to dispose of waste materials such as used tires that have reached the end of their service life and transformer oils that were once used as heat transfer fluids...

Water is one of the basic elements for living and has an important role in terms of the sustainability of ecosystems and human health. Water, which is involved in the stages of biological, physiological, and chemical processes of living things, is also used in many sectors, such as industry and energy production. The availability of clean and adequate water is important for food security and...

In this study, laccase enzyme production potentials of Caldibacillus pasinlerensis isolated within the borders of Pasinler district of Erzurum were investigated in the culture medium consisting of medlar and hawthorn seeds. Medlar (Mespilus germanica) and hawthorn (Crataegus sp.) seeds were used as natural substrates. These seeds are in terms of biologically active substances such as...

Diesel engines, one of the biggest sources of global warming and harmful exhaust emissions, constitute an important research topic in terms of reducing dependency on fossil fuels and environmental damage. The limited life of fossil-based fuels and the increase in energy demand increase the need for sustainable energy solutions that require the evaluation of waste. In this context, the...

Energy is the most important fundamental factor in the development and prosperity of societies. Today, approximately 80% of global energy consumption comes from fossil fuels. Renewable energy sources have significant effectiveness in reducing dependence on fossil fuels such as natural gas, oil and coal. Heat pumps have enabled low-grade energy sources such as geothermal, soil, sun, and air to...

In recent years, synthetic colorants have been used more widely in the food industry instead of natural colorants. Synthetic colorants offer many advantages over natural dyes, such as high stability to light, oxygen and pH fluctuations, uniformity in color, high brightness, minimum sensitivity to microbiological contamination, a wide range of shades and relatively low production costs....

The adoption of solar water heating systems not only minimizes reliance on fossil fuels but also supports global sustainability efforts by mitigating environmental impacts and promoting energy security. As solar energy remains a cornerstone of renewable energy technologies, advancements in hybrid systems and FPSWH designs are crucial to sustainably address the rising global energy demand. This...

The rapid increase in the world's population and the development of industry cause the energy need to increase very rapidly. One of the most important problems in our country, as in the world, is the increasing energy need. Renewable energy sources are being used today to meet the increasing energy need and reduce external dependency. Hydroelectric Power Plants (HES) are being built in order...

Enzymes are stable and specific biocatalysts. In recent years, their use in environmentally-friendly biotechnological approaches for various industrial innovations has become increasingly common. For this reason, identifying enzymes and enzyme units with potential applications in different processes is of both economic and environmental significance. Among the biomass waste generated in the...

Two-phase flow with boiling and the heat transfer associated with these flows are gaining increasing importance in industrial applications due to the fact that they provide higher heat transfer coefficients compared to single-phase flows. In this study, the dynamic instabilities of two-phase flow in a horizontal empty pipe with a diameter of 13.7 mm were investigated using a forced convection...

Fermented foods are formed by the action of various microorganisms and support our immune system. Examples of fermented foods are yoghurt, kimchi, pickles, kefir, beer and wine. Fermented foods contain probiotics, organic acids, ethanol or antimicrobial compounds that help balance the gut microbiome. Today, in the production of foods, great importance is attached to the use of microorganisms...

By using nanotechnology, it is possible to achieve properties of materials that are not visible in larger-sized. Bentonite is a mineral from the group of sheet phyllosilicates, which is mainly composed of the mineral montmorillonite. Pure montmorillonite (nano-clay) is the most widely used clay mineral in various industries, especially the medical and pharmaceutical industries. Since...

Periodic control in safe production is critical to ensure the health and safety of employees in workplaces, to ensure the smooth operation of equipment and to maintain the sustainability of production processes. Thanks to periodic controls, potential risks are identified in advance and necessary precautions are taken. Regular control of machinery and equipment used in the workplace ensures...

In recent years, the superior computational power of deep learning based on software has been widely recognized, and the practical applications of artificial intelligence are rapidly expanding. On the other hand, the hardware for replacing to such artificial intelligence (AI) algorithms is facing the physical limits of scaling in silicon CMOS technology, and performance improvement is expected...

Microalloyed steels are widely used in many industries due to their high strength, light weight and weldability. These steels, which are preferred for components such as chassis and body structures in automotive manufacturing, require welding joining methods to adapt to complex designs. For these steels, which are generally joined by methods such as fusion, laser and resistance welding, fusion...

Chemical-based gas sensors typically have good sensitivity to the target gas and can detect a variety of gases. However, after being exposed to the target gas, certain chemical-based gas sensors either did not recover at all or did not recover adequately. It is believed that the performance of a chemical-based gas sensor, notably its recovery characteristic, can be impacted by the binder...

Nano-clays are hydrous silicate minerals with a sheet structure that have a special place in various industries, especially in the field of health and treatment, due to their nano-metric dimensions (at least in one dimension) and unique structural properties. The presence of a negative surface charge with strong physical adsorption capacity is one of the valuable structural features of these...

The development of efficient, lead-free tandem perovskite solar cells (TPSCs) has become a vital area of study in the quest for sustainable and high-performance photovoltaic technology. An essential challenge in enhancing the power conversion efficiency (PCE) of these devices is the optimisation of the hole transport layer (HTL), which is vital for charge collection and device stability. In...

Clay minerals are hydrous silicate sheets with a layered structure of the phyllosilicate type, which are composed of oxygen (O) and hydroxide (OH) layers. Generally, they are product of chemical weathering of other silicate minerals on the Earth's surface, and are considered to be among the most abundant substances in nature. In mineralogy, particles smaller than 4 microns (0.004 mm) are...

This research investigates the critical role of defects in the absorber and interface layers of organic-inorganic lead halide perovskite solar cells (PSCs), with a specific emphasis on methylammonium lead triiodide (MAPbI3) PSCs that utilize doped polyaniline/graphene oxide (PANI/GO) as the hole transport layer (HTL). The study employs numerical simulations to comprehensively analyse...

The frequency of diseases in certain regions of the world and the use of various minerals to treat diseases throughout history, indicate that there is a direct and close relationship between geological processes and the health of living organisms. The effective relationship between geological indicators and human, animal and plant health, as well as understanding the impact of environmental...

Perovskite solar cells (PSCs) have emerged as a leading technology in photovoltaics, producing remarkable efficiency and cost-effective production methods. Copper(I) thiocyanate (CuSCN) has garnered attention as an effective hole transport layer (HTL) in PSCs due to its advantageous electronic properties, high stability, and excellent hole mobility. This study investigates the effects of...

Abstract: The properties of synthesized carbon quantum dots (CQDs) depend on the precursor type and synthesis method. Therefore, selecting an appropriate precursor is the first step in the controlled production of CQDs. The synthesis method should be simple, environmentally friendly, and utilize materials that can replace conventional toxic substances. For this purpose, a green approach is...

Highly transparent and uniform planar surfaced Copper Iodide (CuI) film exhibits intriguing morphological properties by presenting Monoethanolamine (MEA) as the green solvent for CuI, thus yielding a comparable outcome of the hole transport layer (HTL) for perovskite solar cell (PSC) applications. The γ-CuI with a zinc-blende structure can be successfully synthesized at a relatively low...

The field of wireless communication has seen significant growth during the past several years. The 5G network was intended to be developed to address the underlying issues with the quality of services in current networks. Based on the new modulation and transmission techniques of 5G technology, the efficiency of data transfer speeds will be improved by more than 10 Gb/s compared to 4G. This...

In recent years, advances in nano-scale technology have led to the use of nanoparticles in almost all areas of life. Nanoparticles have been acknowledged as one of the emerging environmental threats; however, studies in different components of environment are limited. Among the available nanoparticles, zirconium oxide nanoparticles (ZrO2-NPs) are widely used in tooth coating and cosmetic...

Advanced communication technologies in 5G networks has the potential to transform the interaction of transportation system between vehicles, infrastructure and padestrians. This study focusses on developing a C-V2X communication model using OMNeT++ simulation tool and analyzing its performance based on key Quality of Service (QoS) factors such as latency, throughput and packet loss in 5G...

Abstract
Carbon Quantum Dots (CQDs), a new generation of carbon-based nanomaterials, have attracted significant attention in scientific research due to their unique optical properties, high biocompatibility, low toxicity, and excellent chemical stability. Their low production cost and versatility in applications such as bioimaging, biosensors, drug delivery, and energy storage, especially...

The development of novel gas sensing materials that operate effectively at room temperature is crucial for improving environmental monitoring systems, particularly the sensitive detection of carbon dioxide (CO₂). Europium oxide (Eu₂O₃) has potential as a sensing material but lacks sufficient sensitivity, stability, and response time at room temperature, making it insufficient for real world...

Abstract
In this research, a graphene oxide/MnO₂ quantum dot (GO/MnO₂-QDs) nanocomposite was utilized as a solid-phase adsorbent to remove Ni²⁺ and Cr⁶⁺ metal ions from water and wastewater samples. This approach leverages the adsorption capabilities of the nanocomposite to effectively capture and eliminate these heavy metal contaminants, offering a potential solution for purifying water...

Pituitary adenomas constitute the most frequent neuroendocrine pathology, comprising up to 15% of primary intracranial tumors. Current therapies for pituitary tumors include surgery and radiotherapy, as well as pharmacological approaches for some types. Although all of these approaches have shown a significant degree of success, they are not devoid of unwanted side effects, and in most cases...