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New triangular q−Fibonacci matrix
No full textIn this study, we construct a new triangular q−analogue of the q−Fibonacci matrix˜fq =( fnk (q)) defined by ⎧ ⎪⎨ fnk (q) = ⎪⎩ qk fk (q), 1 ≤ k ≤ n fn+2 (q) − 1 0, otherwise. After, we use the analogue to define the sequence spaces c(f˜q), c0 (f˜q), ℓ∞ (f˜q), ℓp (f˜q)(1 ≤ p < ∞). Then, we provide some inclusion relations for these spaces and examine a few topological characteristics. Furthermore, we construct a basis for the space ℓp (f˜q), calculate α−, β−, γ−duals of the same space, characterize certain matrix classes, and look at some geometric properties. © 2025, University of Nis. All rights reserved
Screening of bacterial carriers causing food poisoning in kitchen staff working at Muş Alparslan University and Muş State Hospital
Full text linkFen Bilimleri Enstitüsü, Gıda Güvenliği Ana Bilim DalıMuş Alparslan Üniversitesi ve Muş Devlet Hastanesinde çalışan personelin burun, boğaz ve tırnak sürüntüleri alınarak personel kaynaklı gıda zehirlenmelerinde ciddi bir risk unsuru olan Staphylococcus aureus'un ve diğer muhtemel patojenlerin araştırılması amaçlanmıştır. Muş Alparslan Üniversitesi ve Muş Devlet Hastanesinde çalışan 57 kişiden (171 örnek) burun, boğaz ve tırnak kültürü steril eküvyonlarla alınıp %5 koyun kanlı agar ve EMB besiyerine ekilerek 37°C'de 16-24 saat inkübasyona bırakıldı. İnkübasyon işlemininden sonra klasik yöntemlerle incelenen örneklerden saptanan şüpheli kolonilere gram boyama, koagülaz (Staphylase test, Oxoid, UK) testleri uygulandı. Personelin çalışma pozisyonlarına göre dağılımı: 18 aşçı, 18 garson, 5 bulaşıkçı, 6 meydancı ve 10 yönetici şeklindedir. Yemek servis hizmetlerinde çalışma süresinin ortalama 9,03±6,98 olduğu saptandı. Yaptığımız çalışmada 5 (%8,77) kişide Staphylococcus aureus tespit edilmiştir. 2 (% 3,50) personelin burnunda ve 3 (%5,26) personelin boğazında Staphylococcus aureus saptanmıştır. Yönetici pozisyonunda çalışan personelin 2'sinde (%3,50), aşçı pozisyonunda çalışan personelin 1 (%1,75) 'inde, garson pozisypnunda çalışan personelin 2'sinde (%3,50) Staphylococcus aureus'a rastlanmıştır. Staphylococcus aureus saptanan suşların tamamı erkek çalışanlardan izole edilmiştir. 2 (%3,50) personelin tırnaklarında Enterobacter saptanmış ve çalışma kış aylarını da kapsadığı için 11 (%19,29) personelin boğazında β-Hemolitik Streptokok bulunmuştur. Sonuç olarak gıdanın ve çalışanlarının hijyenik şartları uygun olmasının sağlanması için üretim, paketleme, depolama, işleme ve servis işlemlerinde çalışanların tamamının (Gıda Mühendisi, Diyetisyen, Mikrobiyolog, Aşçı, Garson vs.) multidisipliner şekilde mutlak surette, sürece ciddi olarak eğilmeleri gerektiği anlaşılmaktadır.It was aimed to investigate Staphylococcus aureus and other possible pathogens, which are a serious risk factor in personnel-related food poisoning, by taking nose, throat and nail swabs from personnel working at Muş Alparslan University and Muş State Hospital. Nose, throat and nail cultures were taken from 57 people (171 samples) working at Muş Alparslan University and Muş State Hospital with sterile swabs and inoculated in 5% sheep blood agar and EMB and left to incubate for 16-24 hours at 37°C after the incubation process, Gram staining and coagulase (Staphylase test, Oxoid, UK) tests were applied to the suspicious colonies detected from the samples examined with classical methods. It was determined that the personnel served in the following stages; 18 cooks, 18 waiters, 5 dishwashers, 6 field cleaners and 10 managers. It was determined that the average working time in food service services was 9.03±6.98. In our study, Staphylococcus aureus was detected in 5 (8.77%) people. Staphylococcus aureus was detected in the noses of 2 (% 3.50) personnel and in the throats of 3 (% 5.26) personnel. Staphylococcus aureus was found in 2 (% 3.50) of the personnel working in managerial positions, 1 (% 1.75) of the personnel working in the cook position, and 2 (% 3.50) of the personnel working in the waiter position. All of the strains in which Staphylococcus aureus was detected were isolated from male employees. Enterobacter was detected in the nails of 2 (% 3.50) personnel and since the study included the winter months, β-hemolytic Streptococcus was found in the throats of 11 (% 19.29) personnel. As a result, it is understood that all employees working in production, packaging, storage, processing and service processes (Food Engineer, Dietician, Microbiologist, Cook, Waiter etc.) should definitely focus on the process seriously in a multidisciplinary manner in order to ensure that the hygienic conditions of food and employees are appropriate
Effect of the strategy game Mangala on cognitive function, anxiety, depression, and fine motor skills in individuals with Alzheimer's disease: A randomized controlled trial
No full textCognitive impairment, changes in mood, and decrease in fine motor skills are some of the most common symptoms experienced by individuals with Alzheimer's Disease (AD). This study aimed to investigate the effects of the Turkish intelligence and strategy game Mangala on cognitive functions, anxiety, depression, and fine motor skills in individuals with AD. In this randomized controlled study, 37 participants were divided into Mangala Group (MG) and Control Group (CG). Both the MG (n = 18) and the CG (n = 19) attended daily physiotherapy and rehabilitation sessions. Additionally, the MG played Mangala 2 sessions/week for six weeks. The mood state was evaluated using the Hospital Anxiety and Depression Scale (HAD), cognitive functions were examined using the Montreal Cognitive Assessment Scale (MoCA), and fine motor skills were measured using the Nine Hole Peg Test (NHPT). There was no significant difference between the groups pretreatment in terms of MoCA, depression and NHPT values (p > .05), except anxiety levels (p= .009) The MG showed significant improvement post-treatment in terms of MoCA and HAD anxiety (p =.0001 and p =.0008), HAD depression and fine motor skills (p =.043 and p =.0001). There were significant improvements in favor of MG in MoCA (p =.014) and NHPT (p =.004), but not in HAD anxiety (p =.782) and depression (p =.514) scores in terms of delta (difference between pre and post treatment) values. To prevent cognitive decline, reduce depression, and improve fine motor skills in patients with AD, The Mangala game may be a good alternative.Fehmi GUN PTThe authors would like to thank all the participants, PT. Fehmi GUN PT. Seyma KOCABAS and PT. Murat Can ERIK
Rejuvenating the gut: young plasma therapy improves cell proliferation, IGF-I and IGF-IR expression, and immune defense in aged male rats jejunum
Full text linkIt is well known that aging affects many systems in the body. The digestive system is one of the systems most affected by aging. In our study, we examined the effects of young plasma treatment on cell proliferation, growth factors, immune defense and histological parameters in the jejunum of aged male rats. For this purpose, aged male Sprague Dawley rats (24 months, n = 7) were treated with pooled plasma (0.5 ml/day, intravenously for 30 days) collected from young (5 weeks, n = 51) rats. Aged rats that received young plasma treatment were grouped as the experimental group, while aged rats formed the control group. At the end of the experiment, the jejunums of the groups were collected and histological parameters such as villus height, crypt depth, total mucosal thickness and surface absorption areas were measured and compared. In addition, cell proliferation index and proliferation intensity in the crypt glands of the jejunum were evaluated with proliferating cell nuclear antigen and expressions of growth factors such as insulin-like growth factor I (IGF-I) and its receptor (IGF-IR) expression and effects of immunoglobulin A (IgA), which plays a role in the defense of the digestive system against microorganisms, were examined. In the experimental group, an increase in histological parameters, IGF-R and IGF-IR expression, proliferation density, proliferation index and IgA expression density and IgA cell count were observed compared to the control group. These results suggest that young plasma treatment has a positive effect on the digestive system and may be a potential therapeutic for tissue regeneration.Scientific and Technological Research Council of Turkiye (TUBITAK)Open access funding provided by the Scientific and Technological Research Council of Turkiye (TUBITAK)
BRICS-MT ÜLKELERİNDE KRONİK HASTALIK MORTALİTE HIZLARI: BOX-JENKİNS METODU İLE GELECEK PROJEKSİYONU
Full text linkSon yıllarda kronik hastalıklar dünya genelinde önemli sağlık sorunlarından biri olarak ön plana çıkmaktadır. Çünkü bu hastalıklar nedeni ile her yıl milyonlarca insan hayatını kaybetmektedir. Ancak kronik hastalık ölümlerinin gelecek seyri net değildir. Bu nedenle, bu çalışmada BRICS-MT ülkelerinde her 100 bin kişiye düşen ölüm sayılarının 2035 yılına kadar tahmin edilmesi amaçlanmaktadır. Çalışma amacına ulaşabilmek için Institute for Health Metrics and Evaluation tarafından yayımlanan ölüm hızları istatistikleri dikkate alınmıştır. Verilerin analizinde ise 1970 yılında Box ve Jenkins tarafından zamansal veri analizleri için geliştirilen ARIMA kullanılmıştır. Çalışma sonucunda BRICS-MT ülkelerinde kronik hastalık ölümlerin önümüzdeki yıllarda da artarak devam edeceği belirlenmiştir. Özellikle Çin, Brezilya ve Meksika’da daha büyük artışlar olacağı tespit edilmiştir. Türkiye ve Güney Afrika için ise artışların daha sınırlı olacağı öngörülmektedir. Kronik hastalıkların toplum sağlığı ve sistem üzerindeki olumsuz etkilerini ortadan kaldırabilmek için ise eylem planlarının hazırlanması ve kronik hastalıklarla topyekûn mücadele edilmesi gerekmektedi
Operator Expertise in Bilateral Teleoperation: Performance, Manipulation, and Gaze Metrics
Full text linkThis paper presents a comprehensive user study aimed as assessing and differentiating operator expertise within bilateral teleoperation systems. The primary objective is to identify key performance metrics that effectively distinguish novice from expert users. Unlike prior approaches that focus primarily on psychological evaluations, this study emphasizes direct performance analysis across a range of telerobotic tasks. Ten participants (six novices and four experts) were assessed based on task completion time and difficulty, error rates, manipulator motion characteristics, gaze behaviour, and subjective feedback via questionnaires. The results show that experienced operators outperformed novices by completing tasks faster, making fewer errors, and demonstrating smoother manipulator control, as reflected by reduced jerks and higher spatial precision. Also, experts maintained consistent performance even as task complexity increased, whereas novices experienced a sharp decline, particularly at higher difficulty levels. Questionnaire responses further revealed that novices experienced higher mental and physical demands, especially in unfamiliar tasks, while experts demonstrated higher concentration and arousal levels. Additionally, the study introduces gaze transition entropy (GTE) and stationary gaze entropy (SGE) metrics to quantify visual attention strategies, with experts exhibiting more focused, goal-oriented gaze patterns, while novices showed more erratic and inefficient behaviour. These findings highlight both quantitative and qualitative measures as critical for evaluating operator performance and informing future teleoperation training programs.UKRI [107463]Nuclear Decommissioning Authority (NDA)Tokyo Electric Power Company (TEPCO) [2022/27 (EP/W006839/1)]This research was funded by the LongOps programme through UKRI (Project Reference 107463), the Nuclear Decommissioning Authority (NDA), and Tokyo Electric Power Company (TEPCO). It was also supported by the UKAEA/EPSRC Fusion Grant 2022/27 (EP/W006839/1), which enabled the utilisation of related work for the decommissioning of fusion devices. The views and opinions expressed herein do not necessarily reflect those of the funding organisations
Hyperchaotic System-Based PRNG and S-Box Design for a Novel Secure Image Encryption
Full text linkA hyperchaotic system was analyzed in this study, and its hyperchaotic behavior was confirmed through dynamic analysis. The system was utilized to develop a pseudo-random number generator (PRNG), whose statistical reliability was validated through NIST SP800-22 tests, demonstrating its suitability for cryptographic applications. Additionally, a 16 x 16 S-box was constructed based on the hyperchaotic system, ensuring high nonlinearity and strong cryptographic performance. A comparative analysis revealed that the proposed S-box structure outperforms existing designs in terms of security and efficiency. A new image encryption algorithm was designed using the PRNG and S-box, and its performance was evaluated on 512 x 512 grayscale images, including the commonly used baboon and pepper images. The decryption process successfully restored the original images, confirming the encryption scheme's reliability. Security evaluations, including histogram analysis, entropy measurement, correlation analysis, and resistance to differential and noise attacks, were conducted. The findings showed that the suggested encryption algorithm outperforms current techniques in terms of security and efficiency. This study contributes to the advancement of robust PRNG generation, secure S-box design, and efficient image encryption algorithms using hyperchaotic systems, offering a promising approach for secure communication and data protection.Firat University Research Fund[MF.24.51]This research was funded by the Firat University Research Fund under Project MF.24.51
An investigation of higher religious education students' abstacles to critical thinking in terms of some variables
Full text linkBu araştırmanın amacı, yüksek din öğretimi öğrencilerinin eleştirel düşünme engellerini; cinsiyet, yaş, eğitim kademesi, doğum yeri, mezun olunan ortaöğretim kurumu, anne-baba eğitim durumu, ekonomik durum ve bilimsel etkinliklere katılma sıklıkları gibi değişkenler açısından incelemektir. Araştırmanın evrenini, 2024-2025 eğitim öğretim yılında Muş Alparslan Üniversitesi İslami İlimler Fakültesinde lisans öğrenimi görmekte olan 829 öğrenci oluşturmaktadır. Araştırmanın örneklemi ise orantısız tabakalı örnekleme yöntemi ile belirlenmiş olan 305 yüksek din öğretimi öğrencisidir. Araştırmada veri toplama aracı olarak araştırmacı tarafından oluşturulan "Kişisel Bilgi Formu" ile Semerci vd. tarafından geliştirilen "Eleştirel Düşünme Engelleri (ELDEN)" ölçeği kullanılmıştır. Ölçekte toplam 26 madde bulunmaktadır. Bu maddeler "Mantık Yürütememe", "Benmerkezcilik" "Otoriteye İnanç" ve "Aşırı Güven" olmak üzere dört alt boyuttan oluşmaktadır. Araştırma verilerinin analiz edilmesi için SPSS 22.0 paket programı kullanılmıştır. Araştırma verilerinin sonuçlarına göre yüksek din öğretimi öğrencilerinin eleştirel düşünme engellerinin düşük olduğu görülmüştür. Öğrencilerin eleştirel düşünme engelleri cinsiyet, yaş, sınıf kademesi, doğum yeri, mezun oldukları ortaöğretim kurumu ve anne-baba eğitim durumu değişkenlerine göre anlamlı farklılaşma oluşturmamıştır. Fakat öğrencilerin eleştirel düşünme engelleri ekonomik durum ve bilimsel etkinliklere katılım sıklığı değişkenlerine göre anlamlı farklılaşma oluşturmuştur. Ekonomik düzeyi düşük öğrencilerin orta düzeyde geliri olan öğrencilere göre eleştirel düşünme engellerinin ben merkezlilik boyutunda daha çok engelle karşılaştıkları tespit edilmiştir. Öğrencilerin bilimsel etkinliklere katılma sıkılıklarının eleştirel düşünme engellerine etkisinin incelenmesi sonucunda ise bilimsel etkinliklere daha sık katılanların eleştirel düşünme engel düzeylerinin daha düşük olduğu tespit edilmiştir. Araştırmanın sonuçlarından hareketle; ekonomik durumu düşük olan öğrencilere yönelik burs ve diğer mali destek programlarının artırılması, bilimsel etkinliklere katılımın teşvik edilmesi, eleştirel düşünme becerilerini geliştirmek amacıyla müfredata bu konuda özel dersler eklenmesi, öğrencilerin eleştirel düşünme engellerinin farkına varabilmeleri için kişisel gelişim seminerleri ve farkındalık çalışmaları düzenlenmesi, öğrencilere farklı bakış açılarından bilgi ve görüş sunarak onların eleştirel düşünme becerilerini geliştirmelerine yardımcı olunması gibi öneriler sunulmuştur.The aim of this study is to examine the critical thinking abstacles of higher religious students in terms of variables such as gender, age, level of education, place of birth, graduated secondary education institution, parental education status, economic status and frequency of participation in scientific activities. The population of the study consists of 829 undergraduate students studying at the Faculty of Islamic Sciences of Muş Alparslan University in the 2024-2025 academic year. The sample of the study consists of 305 higher religious education students who were determined by disproportionate stratified sampling method. In the study, the "Personal Information Form" created by the researcher and the "Critical Thinking Obstacles (ELDEN)" scale developed by Semerci et al. were used as data collection tools. The scale consists of 26 articles in total and four sub-dimensions: "Inability to Reason", "Egocentrism", "Belief in Authority" and "Overconfidence". SPSS 22.0 package program was used to analyze the quantitative data of the study. According to the results of the research data, it was seen that the critical thinking abstacles of higher religious education students were low. The critical thinking abstacles of the students do not create a significant difference according to the variables of gender, age, grade level, place of birth, secondary education institution they graduated from and parent's educational status. However, the critical thinking abstacles of the students created a significant difference according to the variables of economic status and frequency of participation in scientific activities. It was determined that students with low economic status faced more obstacles in the self-centeredness dimension of critical thinking obstacles than students with medium income. As a result of examining the effect of the frequency of students participation in scientific activities on their critical thinking disabilities, it was found that those who participated in scientific activities more frequently had lower levels of critical thinking disabilities. Based on the results of the study, suggestions such as increasing scholarships and other financial support programs for students with low economic status, encouraging participation in scientific activities, adding courses on this subject to the curriculum in order to improve critical thinking skills, organizing personal development seminars and awareness activities for students to be aware of their critical thinking abstacles, and helping students to develop their critical thinking skills by providing information and opinions from different perspectives have been offered
A NEW FRONTIER: INTEGRATING ENVIRONMENTAL HISTORY INTO BYZANTINE STUDIES
Full text linkThis article aims to trace the historical development of environmental history and its integration into Byzantine studies. It explores the reciprocal relationship between human societies and the environment throughout history, highlighting how human actions have shaped and been shaped by ecological processes. Beginning with an overview of environmental history's emergence as a distinct field in the late 20th century, the article examines the debates and challenges faced by early environmental historians in defining the scope and methodology of the discipline. It then focuses on the gradual incorporation of environmental perspectives into Byzantine scholarship, highlighting key themes such as climate history, human impacts on the environment, and cultural perceptions of nature. Through a multidisciplinary approach that combines historical analysis with insights from natural sciences, archaeology, and interdisciplinary theories, scholars have begun to uncover the complex interactions between Byzantine society and its natural surroundings. By interrogating historical sources and employing innovative methodologies, this article demonstrates the importance of integrating environmental perspectives into the study of Byzantine history and offers insights into future directions for research in this interdisciplinary field
Comparison of the efficacy of intradialytic core stabilization and aerobic exercises for hemodialysis patients: randomized controlled single-blind study
No full textPurpose: This study was performed to investigate and compare the effects of intradialytic core stabilization and aerobic exercises on physical performance, fatigue, quality of life and dialysis adequacy. Materials and methods: The study involved 39 individuals on hemodialysis randomized into two groups: aerobic exercise (AE, n = 20) and core stabilization (CSE, n = 19). Over 8 weeks, the AE group performed pedal ergometer exercises, while the CSE group performed 4-phase core stabilization exercises. Physical performance (five times sit to stand test, 2-min step test), quality of life (Kidney Disease Quality of Life-36; KDQOL-36), fatigue levels (Piper Fatigue Scale), and dialysis adequacy (Kt/V and URR) were assessed. Results: After training, a significant improvement was observed in the physical performance, fatigue levels, and some parameters of KDQOL-36 of the patients (p 0.05). When the amount of development obtained in both treatment groups is compared, kidney disease burden only in the subparameter of KDQOL-36 was statistically significantly improved in the CSE group compared to the AE group (p < 0.05). Conclusions: According to the results of the study, intradialytic core stabilization exercises appear to have similar effects to aerobic exercises and can be performed by HD patients. © 2025 Elsevier B.V., All rights reserved