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Araştırmacılar(872)

• Abca, Alper
• Abca, Tuğba Elbir
• Abdioğlu, Murat
• Abdulaziz, Eid
• Acar, Ayşe Nur
• Ada, Kübra
• Adatepe, Eda
• Akar, Nuri Çağrı
• Akaya, Zuhal
• Akbaba, Fikrinaz Damla
• Akbaş, Dilek
• Akboğa, Gökçenur
• Akçay, Enes
• Akçay, Latif
• Akdağ, Furgan
• Akdeniz, Dilşad Güven
• Akeren, İhsan
• Akeren, Zahide
• Akgül, Halil İbrahim
• Akgül, Nazife Selcen Pınar
• Akgül, Sevim
• Akgün, Emre
• Akın, Ömer Faruk
• Akkoyun, Tuğba
• Akkoyunlu, Ebubekir
• Akkuş, Ramazan
• Akman, Onur
• Akova, Abdullah
• Akpınar, Ahmet
• Akpınar, Murat
• Akpınar, Nesimi
• Akpolat, Hacer
• Aksakal, A.
• Aksakal, Vecihi
• Aksakallı, Ayhan
• Aksan, Nurcan Demircan
• Aksoy, Dilara Arzugül
• Aksoy, Ömer Faruk
• Aksuoğlu, Selmani
• Aktaş, Elif Odabaşı
• Aktaş, Emirhan
• Aktaş, Esat
• Aktaş, Hasan
• Aktaş, Yasemin
• Akyol, Aşur
• Akyüz, Bilal
• Akyüz, Ebru
• Akyüz, Hayri
• Akyüz, Murat Hüseyin
• Al-Qado, Ahmed Wasfi Hasan
• Alan, Mehmet Asif
• Albayrak, Mustafa
• Aldemir, Hazal
• Alhouran, Hadıl Ibrahım
• Alkan, N.
• Alkay, Zuhal
• Alkış Küçükaydın, Menşure
• Alpay, Ahmed Hamza
• Altan, Burhanettin S.
• Altay, Yasin

• MakaleYalnız künye2026Scopus SJRQ2/r/bayburt/10861
  Economic complexity and energy vulnerability: Does ESG performance matter?

  Ongan, Serdar; Kuziboev, Bekhzod; Makhmudov, Samariddin; Matyakubova, Aziza; Imamoglu, Ilyas Kays; Aydin, Rahman; Isik, Cem

  Energy vulnerability is a critical concern for achieving energy security and meeting the SDGs. However, the role of economic complexity, which represents a country's production and export diversification, in energy vulnerability has been largely neglected in the literature. This study fills this gap by examining the impact of economic complexity on energy vulnerability for 69 developing countries over the period 2000-2019. For this purpose, MMQR and various instrumental variable (IV) estimation techniques (IV-Quantile, 2SLS, Lewbel, and Kiviet) were used. In addition, ESG indicators were included in the model as instrumental variables to address potential endogeneity issues between economic complexity and energy vulnerability. In doing so, the ESG indicators are also included in the model as instrumental variables to control for the endogeneity of economic complexity. Empirical findings show that economic complexity is associated with lower energy vulnerability across all quantiles. These results reveal that countries with diversified economic structures (higher economic complexity) may be more resilient to energy shocks. Therefore, developing countries should focus on structural reforms and improve their ESG performances to reduce energy vulnerability. In terms of control variables, financial development, digitalization, and human capital are associated with lower energy vulnerability, whereas increases in natural resource revenues are sometimes associated with lower vulnerability levels. This finding suggests that, in the context of energy vulnerability, the predictions of the resource curse theory may not be observed in every case.

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• MakaleAçık Erişim2026Scopus SJRQ2/r/bayburt/10851
  The environmental, social and governance (ESG) dimensions of corporate social responsibility (CSR) on energy security

  Isik, Cem; Ongan, Serdar; Kuziboev, Bekhzod; Imamoglu, Ilyas Kays; Amin, Azka

  This study investigates the impact of corporate social responsibility (CSR) on energy security (ENSEC) for 34 developed countries. It offers a new institutional perspective by linking CSR to ENSEC within the framework of sustainable development. MMQR, PLFC, and DID methods are used for this analysis. The MMQR results indicate that CSR enhances ENSEC across all percentiles (10%-90%) in both aggregate and disaggregated analyses, across the social, environmental, and governance dimensions. Moreover, the PLFC model's findings reveal that CSR promotes ENSEC in aggregate, regardless of income level. However, in the disaggregated estimates from the PLFC model, the social dimension of CSR has no effect on ENSEC, whereas the environmental and governance dimensions continue to have a positive effect on ENSEC. As for the impact of China's energy investment, only China's fossil energy investment ensures ENSEC. These findings provide important policy insights by empirically validating the role of CSR in addressing long-term energy risks.

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  AtıfScopus1·WoS1·OpenAlex1

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• MakaleAçık Erişim2026Scopus SJRQ1/r/bayburt/14485
  Global Financial Architecture Under Geopolitical, Financial and Policy Pressures: A Capacity-Pressure Index of Financial Resilience

  Kuzu, Mehmet; Kocaoglu, Fatih

  Financial resilience depends on both prevailing pressures and the resources available to maintain financial functions. This study proposes a Global Financial Resilience Index (GFRI) that combines selected structural indicators with the inverse of geopolitical, policy, and market pressures. The formal retrospective sample covers January 2000-June 2026; July-August extensions are reported separately. Fixed-reference standardisation and geometric aggregation produce a transparent capacity-pressure composite, not a measure of environmental, social or intergenerational sustainability. Fixed-basket comparisons retain some capacity improvement, but a balanced five-indicator panel covers only 20 economies and 12.4-16.0% of global GDP. Country selection and calibration alter the pandemic-era ranking. The OECD growth-cycle mean difference is -8.30 points with HAC(12) p = 0.055. Classification AUC is 0.658, with a 12-month block-bootstrap 95% interval of 0.468-0.821, and does not improve on matched stress benchmarks. The incremental explanatory power of industrial production is negligible. Weight simulations and publication-lag tests reveal uncertainty in material construction. The index offers a reproducible description of selected capacity and pressure conditions; the evidence does not support operational policy bands, superior crisis prediction or comprehensive sustainability claims.

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• MakaleAçık Erişim2026Scopus SJRQ1/r/bayburt/14294
  Seasonal and Meteorological Variability of Total Suspended Particulate Matter (TSP) in the Semi-Urban Atmosphere of Bayburt: An Integrated Assessment Based on OpenAir, PCA, and HYSPLIT

  Paloluoglu, Cihan; Akmese Tarlan, Yasemin; Bayar, Serkan

  In this study, atmospheric Total Suspended Particulate Matter (TSP) concentrations in a semi-urban area of Bayburt Province were evaluated in terms of seasonal variation, temporal behavior with meteorological factors, and air-mass transport characteristics. TSP sampling was conducted using the active sampling method over 118 days during the cold and warm-seasons sampling campaign of 2022. A high-volume air sampler (HVAS) and glass fiber filters (GFFs) were used, and TSP concentrations were determined gravimetrically. The mean TSP concentration was 29.13 +/- 29.39 & micro;g/m(3) in cold-season sampling campaign and 43.69 +/- 27.62 & micro;g/m(3) in warm-season sampling campaign. According to standard tests, the seasonal difference was nominally statistically significant (p < 0.05; Cohen's d approximate to 0.51; Cliff's delta approximate to 0.38). However, this significance did not persist after adjusting for serial autocorrelation in the AR(1) model (p = 0.151). However, this comparison should be interpreted not as validated seasonal climatological data, but as a comparison between intermittent sampling studies conducted within a single calendar year. This is because the transition period from spring to summer was not included in the sampling, and the studies were not repeated from year to year. OpenAir analyses showed that high TSP concentrations were particularly associated with easterly and southerly airflows. No clear weekday/weekend difference was observed, although episodic increases occurred on several days. The first two principal components explained 77.8% of the total variance, while the high TSP loading on PC3 indicated complementary variability. NOAA-HYSPLIT backward air-mass trajectory analyses indicated regional transport pathways in most high-TSP episodes, whereas local atmospheric stagnation was prominent in one episode. Overall, the findings show that TSP variability in semi-urban areas should be evaluated together with seasonal-meteorological variability, potential local emission effects, and regional air-mass transport.

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• MakaleAçık Erişim2026Scopus SJRQ1/r/bayburt/14132
  Role of occupational self-efficacy and professional identity as mediators in the relationship between person-job fit and career sustainability among teachers

  Demir, Mustafa; Yayla, Ibrahim Erdogan; Dombak, Kubra; Baloglu, Mustafa

  Introduction Career sustainability has become increasingly important for teachers to maintain long-term professional engagement and effectiveness. This study examined the serial mediating roles of occupational self-efficacy and professional identity in the relationship between person-job fit and career sustainability among teachers.Methods The study employed a correlational survey design. A total of 390 teachers working in Turkiye participated in the study. Data were collected using the Career Sustainability Scale, the Person-Job Fit Scale, the Occupational Self-efficacy Scale, and the Perceived Professional Identity Scale. We tested the research hypotheses using a serial mediation analysis with Hayes' PROCESS Macro Model 6.Results The findings show positive and significant relationships among person-job fit, occupational self-efficacy, professional identity, and career sustainability. Although the direct effect of person-job fit on career sustainability is not statistically significant, the indirect effects via occupational self-efficacy and professional identity are significant. The serial mediation analysis further shows that person-job fit is related to teachers' occupational self-efficacy, which may, in turn, be related to their professional identity and, consequently, to career sustainability.Conclusion The findings indicate a significant indirect relationship between person-job fit and teachers' career sustainability, mediated by occupational self-efficacy and professional identity. These findings highlight the importance of holistically considering person-job fit, occupational self-efficacy, and professional identity for teacher career sustainability.

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• MakaleYalnız künye2026Scopus SJRQ2/r/bayburt/10743
  Novel heteroaromatic compounds bearing thiosemicarbazone as anti-cancer and anti-bacterial agents: Synthesis, cytotoxic and biological screening, molecular docking and DFT analysis

  Nartop, Dilek; Ögütcü, Hatice; Özkan, Elvan Hasanoglu; Yetim, Nurdan Kurnaz; Kizil, Hamit Emre; Ekincioglu, Yavuz

  Novel heteroaromatic compounds (Hc1, Hc2, Hc3, Hc4) were obtained, and their structure were confirmed using various spectroscopic methods, including elemental analysis, fourier transform infrared (FT-IR) spectroscopy, proton and carbon nuclear magnetic resonance (1H/13C-NMR) spectroscopy, and molar conductance measurement. The biological activities of the heteroaromatic compounds against several Gram-positive (Micrococcus luteus ATCC9341, Staphylococcus epidermidis ATCC12228, Bacillus cereus RSKK863, Listeria monocytogenes ATCC 19111), and Gram-negative bacterial strains (Pseudomonas aeruginosa ATCC27853, Klebsiella pneumonia ATCC27853, Enterobacter aerogenes ATCC51342, Salmonella typhi H NCTC9018394, Shigella dysenteriae NCTC2966, Proteus vulgaris RSKK96026) were evaluated using the well-diffusion method. In general, the heteroaromatic compounds demonstrated a stronger inhibitory effect against Gram-positive bacteria. Hc1, Hc2 and Hc3 showed the highest inhibitory effect against B. cereus and L. monocytogenes. The compound (Hc4) showed the highest antibacterial activity and antifungal activity against Bacillus cereus and C. albicans, respectively. The cytotoxic activity of the heteroaromatic compounds was assessed against the non-small cell lung cancer cell line (NCI-H460) using the NutriCulture Cell Viability Detection Kit-8 (CVDK-8). Among the synthesized heteroaromatic compounds, Hc3 exhibited significant cytotoxic activity with an IC50 value of 141.3 & micro;g/mL, whereas compounds Hc1, Hc2, and Hc4 did not display significant toxicity at the tested concentrations. The molecular geometry of the heteroaromatic compound (Hc3) was optimized using Gaussian 09 W at the B3LYP/6-311++G (d,p) level of theory. Key structural parameters such as bond lengths, bond angles, and dihedral angles were determined through the same computational framework. Electronic features, including frontier molecular orbitals, global reactivity descriptors, and molecular electrostatic potential surfaces, were analyzed to explore intramolecular charge distribution and predict reactive sites. To evaluate the biological potential of the heteroaromatic compound (Hc3), molecular docking studies were performed. Additionally, drug-likeness assessment based on Lipinski's Rule of Five and ADME profiling revealed favorable pharmacokinetic characteristics. Molecular docking studies revealed that compound Hc3 showed a binding energy of -4.09 kcal/mol against the EGFR target (PDB ID: 1UWH), exhibiting key interactions such as hydrogen bonding and It-interactions with the active site residues. Based on all the results, it can be said that new heteroaromatic compounds have significant potential in the pharmaceutical field.

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  AtıfScopus1·OpenAlex1

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• MakaleYalnız künye2026Scopus SJRQ2/r/bayburt/10775
  The moderating effects of geopolitical risks on sustainable development through economic complexity and renewable energy consumption in 25 oil-producing countries

  Ongan, Serdar; Özdemir, Dilek; Imamoglu, Ilyas Kays; Isik, Cem

  Conflicts in controlling or using natural resources, arising from geopolitical risks (GPR), which have become a new normal today, can damage natural ecosystems and threaten sustainable development. In this context, GPR can turn the positive impact of supporting independent variables on sustainable development (SD) into a negative one. This research investigates the moderating effects of GPR on SD through renewable energy consumption (REN) and economic complexity (EC) in 25 oil-producing countries with relatively higher oil-reserve-related risks between 2000 and 2021. The panel quantile regression analysis reveals. (i) While using REN individually improves SD in countries with high SD (in the 80th and 90th quantiles), this improving effect turns to a worsening effect due to its interaction with GPR, which shows the moderating impact of GPR. (ii): While EC individually improves SD across all quantiles, these improving effects persist in countries with low SD (in the 10th, 20th, 30th, and 40th quantiles) even when complexity interacts with GPR, showing that GPR has no moderating impact on SD. Therefore, policymakers should investigate why the interaction of REN with GPR worsens SD in highly sustainable countries and redevelop regulatory renewable energy policies accordingly.

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• MakaleAçık Erişim2026Scopus SJRQ1/r/bayburt/10767
  The association of psychological need dissatisfaction with problematic digital gaming: Mediating roles of EPOCH well-being and resilience in adolescents

  Yayla, Ibrahim Erdogan; Makas, Samet; Gomez-Salgado, Juan; Bayrakci, Cansu; Dombak, Kubra; Çelik, Eyup; Yildirim, Murat

  Drawing on self-determination theory, this study examines how EPOCH well-being and resilience mediate the relationship between dissatisfaction with psychological needs and problematic digital gaming. Data were collected via questionnaires from 647 adolescents aged 13-19 (M = 15.80, SD = 1.10), 55.8% of whom were girls, using a convenience sampling method. Structural equation modeling was employed to test the proposed hypotheses. Results indicate a significant positive association between dissatisfaction with psychological needs and problematic digital gaming. Moreover, both EPOCH well-being and resilience were found to mediate this relationship. By highlighting the role of psychological resources in adolescence, this study makes novel theoretical and practical contributions to understanding the associations between psychological need dissatisfaction and problematic digital gaming. This is a cross-sectional study, which limits the generalization of the research results. The participants are adolescents attending middle schools in some rural areas of T & uuml;rkiye, which limits the generalizability of the research results to adolescents in other parts of T & uuml;rkiye and the world. Additionally, research data were obtained through self-report scales. This may lead adolescents to respond in line with their developmental perceptions of social desirability.

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• MakaleAçık Erişim2026Scopus SJRQ1/r/bayburt/14391
  Reading comprehension self-efficacy and mathematical problem-solving in primary education: a serial mediation model through mathematical reasoning and critical thinking

  Filiz, Tunahan; Kaplan, Kadir

  Introduction Mathematical problem-solving is fundamental for academic success and real-life challenges and involves more than procedural and computational skills. As most primary school mathematics problems are text-based, reading comprehension self-efficacy may be closely associated with students' performance in mathematical problem-solving. Grounded in Albert Bandura's social cognitive theory, this study examined the associations between reading comprehension self-efficacy and mathematical problem-solving, focusing on the sequential indirect associations involving of mathematical reasoning and critical thinking.Methods A quantitative, correlational research design was employed. The sample consisted of 518 fourth-grade students from 14 provinces across seven regions of T & uuml;rkiye. Data were collected using validated scales measuring reading comprehension self-efficacy, critical thinking, mathematical reasoning, and mathematical problem-solving skills. Data were analyzed using correlation analysis and regression-based mediation analysis.Results The findings revealed that mathematical reasoning and critical thinking partially accounted for the association between reading comprehension self-efficacy and mathematical problem-solving. The findings indicated significant indirect effects through critical thinking skills (beta = 0.18, K2 = 0.23), mathematical reasoning skills (beta = 0.04, K2 = 0.19), and the sequential pathway from mathematical reasoning to critical thinking (beta = 0.01, K2 = 0.03). Although the sequential mediation effect was statistically significant, its effect size was relatively small compared with the individual mediation effects, particularly that of critical thinking skills.Discussion These results highlight the interconnected roles of foundational cognitive processes in relation to higher-order mathematical problem-solving skills. The study contributes to the literature by emphasizing the relevance of considering reading comprehension self-efficacy, mathematical reasoning, and critical thinking as interconnected factors in early mathematics education.

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• MakaleAçık Erişim2026/r/bayburt/14277
  Experiences of Primary School Administrators in Relations with External School Stakeholders: A Phenomenal Study

  Satir, Selim; Kodan, Hulya

  The aim of this study is to reveal the experiences of primary school administrators regarding the functioning of social, cultural, and sports activities in their relationships with out-of-school environmental stakeholders. The study is qualitative in nature and employs a phenomenological research design. The study group consists of school administrators working in primary schools affiliated with the ... District of ... Province during the 2023-2024 academic year. The data were collected using a semi-structured interview form prepared by the researcher. Content analysis was used to analyze the data. The findings indicate that parents contribute in areas such as the provision of tools and materials; however, negative situations were also observed, such as perceiving activities as unnecessary. While the moral support of senior administrators was emphasized, serious problems such as discrimination also came to the fore. The contributions of local governments, such as transportation support, were highlighted; however, issues such as geographical discrimination driven by politics were also noted. Although political parties were found to provide material support to schools, political interference in education was emphasized as a negative experience. In relations with labor unions, material support was highlighted, whereas educational support was emphasized in relations with non-governmental organizations. It was determined that social media contributes positively to the functioning of various activities by increasing visibility, but it also creates negative effects, such as pressure to engage in constant sharing. Various recommendations were presented, including encouraging parents' active participation in social activities and developing support policies to prevent geographical and political discrimination.

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