638 results match your criteria: "Graduate School of Natural and Applied Sciences[Affiliation]"
Folia Microbiol (Praha)
August 2024
Genome and Stem Cell Research Center, Erciyes University, Kayseri, Türkiye.
In this study, lactic acid bacteria (LAB) isolation from fermented foods and molecular identification using magnetic bead technology were performed. And then exopolysaccharide (EPS) production possibility was tested in agar medium, and the positive ones were selected for the next step. The bacteria that could produce higher carbohydrate level were grown in MRS medium fortified with whey and pumpkin waste.
View Article and Find Full Text PDFFetal Pediatr Pathol
November 2024
Faculty of Medicine, Department of Medical Biology, Mugla Sıtkı Koçman University, Muğla, Turkey.
Gestational diabetes mellitus (GDM) disrupts placental function and increases risks for pregnancy. This study investigates the potential involvement of AKT1 and MAPK8 genes, known for their roles in insulin resistance and cell signaling, in GDM pathophysiology. Placental tissues from GDM patients and healthy controls were analyzed using real-time PCR to quantify gene expression levels.
View Article and Find Full Text PDFOpen Vet J
July 2024
Department of Veterinary Science, Faculty of Health, Medicine, and Life Sciences, Universitas Airlangga, Banyuwangi, Indonesia.
Background: Medical manifestations in the form of incisions, burns, and trauma will trigger a natural wound-healing process that involves complex interactions between cells. Brazilin and other secondary metabolites found in Sappan wood have numerous bioactive qualities, including anti-inflammatory, anti-cancer, and antioxidant properties.
Aim: This study aimed to investigate the efficacy of Sappan wood ( L.
Acta Parasitol
September 2024
Faculty of Science, Department of Biotechnology, Niğde Ömer Halisdemir University, Niğde, Türkiye.
Purpose: This study was carried out to determine the presence of Entamoeba histolytica in water sources of Niğde province in Turkey, between June and November 2021.
Methods: A total of 90 water samples were taken from 15 different water sources (drinking water, well water, spring water, wastewater and dam water) every month and the presence of E. histolytica antigens in the samples was examined by ELISA.
J Biotechnol
November 2024
Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Turkey. Electronic address:
Azurin, found in the periplasm of Pseudomonas aeruginosa, has garnered significant attention as a potential anticancer agent in recent years. High-level secretion of proteins into the culture medium, offers a significant advantage over periplasmic or cytoplasmic expression. In this study, for the first time, P.
View Article and Find Full Text PDFHeliyon
July 2024
Harran University, Faculty of Agriculture, Department of Animal Science, Şanlıurfa, Turkey.
This study aimed to determine the effect of nutritional values of the "styrax tree" (Styrax officinalis L.) on in vitro gas production, organic matter digestibility (OMD), and metabolic energy (ME) content. In this study, styrax leaf samples were collected for analysis in three different periods: May, July and September.
View Article and Find Full Text PDFJ Mol Model
August 2024
Department of Physics, Hakim Sabzevari University, Sabzevar, Iran.
Context: LiVMgO, LiNbMgO, and LiTaMgO double perovskite compounds were energetically the most stable in the FM phase. The lattice constants were 7.63 Å, 7.
View Article and Find Full Text PDFMicrosc Microanal
November 2024
Department of Biology, Faculty of Science, Gazi University, 06500 Ankara, Türkiye.
This study examines the egg-laying behavior and egg morphology of Hydrometra stagnorum (Linnaeus, 1753) (Gerromorpha: Heteroptera) to provide ecofaunistic information about the species. Newly recorded H. stagnorum samples were collected from the Karabük province of Western Black Sea region of Türkiye.
View Article and Find Full Text PDF3 Biotech
September 2024
Department of Molecular Biology and Genetics, Graduate School of Natural and Applied Sciences, Atatürk University, Erzurum, Turkey.
Unlabelled: (previously described as ) is a yeast that produces high-level heterologous proteins with a wide range of applications in medicine and industry. The methanol-induced alcohol oxidase I promoter (P) is frequently used for protein expression in this yeast. However, limitations on the use of methanol have been observed in large-scale production, including its flammability, toxicity, and need for special handling.
View Article and Find Full Text PDFInt Immunopharmacol
October 2024
School of Medicine, Department of Histology and Embryology, Ataturk University Erzurum, Turkiye.
Diabetic keratopathy, characterized by corneal structural changes, is a common complication of diabetes mellitus (DM). Docosahexaenoic acid (DHA), an omega-3 fatty acid, has shown potential therapeutic benefits in various diabetic complications. This study aimed to investigate the protective effect of DHA on corneal tissue in streptozotocin (STZ)-induced type 2 DM in rats.
View Article and Find Full Text PDFProc Inst Mech Eng H
July 2024
Department of Electrical and Electronic Engineering, Erciyes University, Kayseri, Turkiye.
A real-time hypothermia and hyperthermia monitoring system with a simple body sensor based on a Convolutional Neural Network (CNN) is presented. The sensor is produced with 3D-printed thermochromic material. Due to the color change feature of thermochromic materials with temperature, 3D-printed thermochromic Polylactic Acid (PLA) material was used to monitor temperature changes visually.
View Article and Find Full Text PDFInt J Med Inform
November 2024
Gazi University, Faculty of Technology, Electrical and Electronics Engineering, Ankara, Turkey. Electronic address:
Neurodegenerative diseases (NDDs), which are caused by the degeneration of neurons and their functions, affect a significant part of the world's population. Although gait disorders are one of the critical and common markers to determine the presence of NDDs, diagnosing which NDD the patients have among a group of NDDs using gait data is still a significant challenge to be addressed. In this study, we addressed the multi-class classification of NDDs and aim to diagnose Parkinson's disease (PD), Amyotrophic lateral sclerosis disease (AD), and Huntington's disease (HD) from a group containing NDDs and healthy control subjects.
View Article and Find Full Text PDFJ Psychiatr Res
September 2024
Department of Physiology, Medical Faculty, İstanbul Medipol University, Türkiye. Electronic address:
Background: Internet gaming disorder (IGD) has become increasingly prevalent worldwide and is recognized as a significant public health concern because of its negative consequences on individuals mental and physical health, social relationships, academic performance and overall well-being. While research on IGD has gained significant momentum in the past decade, the neural substrates underlying this disorder remains unclear. This study aims to investigate resting-state cortical activation in male subjects with IGD using a concurrent functional near infrared spectroscopy (fNIRS) and electroencephalography (EEG) hybrid system.
View Article and Find Full Text PDFBiomed Mater
August 2024
Department of Chemical Engineering, Faculty of Engineering, Ankara University, Tandoğan, 06100 Ankara, Turkey.
Nisin is a bacteriocin produced by Gram-positive lactic acid bacterium,and currently recognized in the Generally Recognızed as Safe (GRAS) category due to its non-toxicity. Herein, nisin has been grafted to chitosan structure to obtain natural bio-active films with enhanced antibacterial activity. Grafting was performed using ethyl ester lysine diisocyanate and dimer fatty acid-based diisocyanate (DDI); two different close to fully bio-based diisocyanates and Disuccinimidyl suberate; a homo-bifunctional molecule acting as a crosslinker between amino groups.
View Article and Find Full Text PDFAnimals (Basel)
July 2024
Department of Computer Engineering, Dokuz Eylul University, Izmir 35390, Turkey.
Federated learning is a collaborative machine learning paradigm where multiple parties jointly train a predictive model while keeping their data. On the other hand, multi-label learning deals with classification tasks where instances may simultaneously belong to multiple classes. This study introduces the concept of Federated Multi-Label Learning (FMLL), combining these two important approaches.
View Article and Find Full Text PDFFood Sci Nutr
July 2024
Department of Food Engineering, Faculty of Engineering and Architecture Burdur Mehmet Akif Ersoy University Burdur Turkey.
This study involved fortifying pumpkin slices with calcium and vitamin D3 using vacuum impregnation (VI) pre-treatment and assessing the quality characteristics of the resulting desserts/jams. Slices were subjected to immersion or VI pre-treatments for 30, 60, and 90 min in a solution containing calcium oxide and vitamin D3. Calcium ions contributed to the hardness of desserts, with VI reducing processing time.
View Article and Find Full Text PDFMicrosc Res Tech
December 2024
Faculty of Science, Department of Chemistry, Gazi University, Ankara, Turkey.
In the developing field of nanotechnology, ZnO (zinc oxide) based semiconductor samples have emerged as the foremost choice due to their immense potential for advancing the development of cutting-edge nanodevices. Due to its excellent chemical stability, low cost, and non-toxicity to biological systems, it is also utilized in various investigations. In this study, the successive ionic layer adsorption and reaction (SILAR) method was used to generate FTO (fluorine-doped tin oxide)/ZnO, and tin (Sn)-copper (Cu)-doped ZnO thin films at varying concentrations on FTO substrates.
View Article and Find Full Text PDFExp Physiol
July 2024
Department of Molecular Biology and Genetics, Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, Moscow, Russia.
Insertions and deletions (indels) are the second most common type of variation in the human genome. However, limited data on their associations with exercise-related phenotypes have been documented. The aim of the present study was to examine the association between 18,370 indel variants and power athlete status, followed by additional studies in 357,246 individuals.
View Article and Find Full Text PDFNat Commun
July 2024
Departament de Física de la Matèria Condensada, Facultat de Física, Universitat de Barcelona, Barcelona, Catalonia, Spain.
Giant barocaloric effects were recently reported for spin-crossover materials. The volume change in these materials suggests that the transition can be influenced by uniaxial stress, and give rise to giant elastocaloric properties. However, no measurements of the elastocaloric properties in these compounds have been reported so far.
View Article and Find Full Text PDFJ Biomater Sci Polym Ed
October 2024
Department of Biochemistry, Ege University, İzmir, Turkey.
Comput Biol Chem
October 2024
Gazi University, Faculty of Science, Department of Biology, Ankara 06500, Turkey; Gazi University, Graduate School of Natural and Applied Sciences, Department of Biology, Ankara 06500, Turkey.
Alzheimer's disease (AD) is characterized by neuronal loss due to hyperphosphorylated proteins induced by oxidative stress. AD remains a formidable challenge in the medical field, as current treatments focusing on single biomarkers have yielded limited success. Hence, there's a burgeoning interest in investigating novel compounds that can target mechanisms, offering alternative therapeutic approaches.
View Article and Find Full Text PDFBrain Struct Funct
September 2024
Department of Child and Adolescent Psychiatry, Faculty of Medicine, Erciyes University, Kayseri, Turkey.
Dyslexia is a specific learning disability that is neurobiological in origin and is characterized by reading and/or spelling problems affecting the development of language-related skills. The aim of this study is to reveal functional markers based on dyslexia by examining the functions of brain regions in resting state and reading tasks and to analyze the effects of special education given during the treatment process of dyslexia. A total of 43 children, aged between 7 and 12, whose native language was Turkish, participated in the study in three groups including those diagnosed with dyslexia for the first time, those receiving special education for dyslexia, and healthy children.
View Article and Find Full Text PDFSensors (Basel)
July 2024
Faculty of Engineering, Department of Mechatronics Engineering, University of Erciyes, Kayseri 38039, Turkey.
Robot manipulators are robotic systems that are frequently used in automation systems and able to provide increased speed, precision, and efficiency in the industrial applications. Due to their nonlinear and complex nature, it is crucial to optimize the robot manipulator systems in terms of trajectory control. In this study, positioning analyses based on artificial neural networks (ANNs) were performed for robot manipulator systems used in the textile industry, and the optimal ANN model for the high-accuracy positioning was improved.
View Article and Find Full Text PDFSensors (Basel)
July 2024
Semafor Teknoloji, Dokuz Eylul Technology Development Zone (DEPARK), Izmir 35330, Turkey.
In the face of increasing climate variability and the complexities of modern power grids, managing power outages in electric utilities has emerged as a critical challenge. This paper introduces a novel predictive model employing machine learning algorithms, including decision tree (DT), random forest (RF), k-nearest neighbors (KNN), and extreme gradient boosting (XGBoost). Leveraging historical sensors-based and non-sensors-based outage data from a Turkish electric utility company, the model demonstrates adaptability to diverse grid structures, considers meteorological and non-meteorological outage causes, and provides real-time feedback to customers to effectively address the problem of power outage duration.
View Article and Find Full Text PDFSensors (Basel)
June 2024
Department of Electrical and Electronics Engineering, Faculty of Technology, Gazi University, Ankara 06560, Türkiye.
In this study, a digital twin model of a hydroelectric power plant has been created. Models of the entire power plant have been created and malfunction situations of a sensor located after the inlet valve of the plant have been analyzed using a programmable logic controller (PLC). As a feature of the digital twin (DT), the error prediction and prevention function has been studied specifically for the pressure sensor.
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