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- Dertli, Enes(116)
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Yayınlar
- MakaleAçık Erişim2026Scopus SJRQ1Measuring Sustainability Under Uncertainty: Introducing Net ESG (N-ESG) Performance
Ongan, Serdar; Isik, Cem; Aydin, Rahman; Imamoglu, Ilyas Kays; Alvarado, Rafael; Ahmad, Munir
This study examines the reliability of environmental, social, and governance (ESG) scores in uncertain environments by introducing a new indicator, Net ESG (N-ESG), for the first time. This new index was calculated by subtracting a new ESG-based sustainability uncertainty index (ESGUI) from ESG scores. This study employed Pedroni (2004) and Westerlund (2007) tests, as well as the DOLS method, for 12 developed countries from 2002 to 2020. It analyzed the impact of economic, geopolitical, climate, and energy price-related uncertainties on both ESG and N-ESG through eight different models. Empirical findings indicate that a 1% change in CPU, GPR, EPU, and OPU indices increases ESG by 0.048, 0.355, 0.111, and 0.044 units, respectively, while the same rate of change decreases N-ESG by -6.501, -18.756, -8.972, and -8.193 units, respectively. These results can be interpreted as ESG scores may not fully reflect the true performance of companies in times of uncertainty, while N-ESG provides a more accurate representation of sustainability practices. These results suggest that policymakers should focus their sustainability policies not only on increasing ESG scores but also on preserving the true value of ESG by reducing uncertainty effects.
AtıfScopus36WoS36OpenAlex38
İncele - MakaleAçık Erişim2026Scopus SJRQ1Upper extremity muscle thickness and grip strength following a boccia-based intervention in hemiparetic individuals
Hazar, Emre Berk; Güder, Betul Canbolat; Hazar, Kursat; Gök, Umut Diyar; Alkhamees, Nouf H.; Ibrahim, Zizi M.; Al-Mhanna, Sameer Badri; Batrakoulis, Alexios
Introduction The global prevalence of stroke is increasing, highlighting the critical importance of effective post-stroke rehabilitation. Although boccia was originally designed for individuals with special needs, its potential benefits for stroke rehabilitation, particularly regarding task-related changes in ultrasound-observed muscle characteristics, have not been thoroughly investigated. Purpose This study aimed to examine the association of an 8-week boccia-based intervention with changes in upper extremity muscle thickness and grip strength in individuals with hemiparesis following stroke. Methods A total of 22 stroke survivors were randomly allocated to a boccia group (Boc, n = 12) or a control group (Ctrl, n = 10). While the control group received conventional physical therapy for eight weeks, the boccia group participated in both physical therapy and boccia-based intervention three times per week. Upper extremity muscle thickness and grip strength were assessed before and after the intervention. Results In the control group, a significant increase was observed only in the triceps brachii muscle thickness. In contrast, the boccia group demonstrated statistically detectable increases in forearm muscles (flexor digitorum profundus, flexor digitorum superficialis, pronator teres, and brachioradialis), triceps brachii muscle thickness, and grip strength. Conclusion Incorporating boccia-based intervention into the rehabilitation programs of individuals with hemiparesis after stroke may be associated with broader upper extremity muscle involvement and concurrent improvements in grip strength. These findings should be interpreted as exploratory and hypothesis-generating.
AtıfScopus3WoS3OpenAlex2
İncele - MakaleAçık Erişim2026Scopus SJRQ1Does Climate Change Vulnerability Cause Energy Vulnerability in Sustainable Development?
Isik, Cem; Ongan, Serdar; Kuziboev, Bekhzod; Imamoglu, Ilyas Kays
Climate change and energy security are two fundamental vulnerability areas that interact with each other and hold critical importance for sustainable development goals. This research aims to fill the research gap by investigating the effects of climate change vulnerability (CCV) on the energy vulnerability (EV) relationship, which has not been adequately addressed in the literature, using a large panel dataset covering 74 countries and employing various methodological approaches (MMQR, PLFC, DID). The results of the MMQR model indicate that CCV increases EV across all quantiles. According to the results of the PLFC model, it is revealed that CCV on EV varies depending on the economic development level of countries. This effect is higher in low-income countries. The study also employs the DID model to examine the impact of China's foreign energy investments on countries' EV. According to this model, China's fossil-based energy investments, particularly those in the energy sector, increase the EV of countries. While economic development reduces EV across all quantiles, financial development reduces it in the lower and medium quantiles (25% and 50%); urbanization reduces it in the medium and higher quantiles (50% and 75%). All results show that the interaction between EV and CCV is a multidimensional and dynamic process. Accordingly, policymakers should develop integrated strategies that consider environment and energy policies, economic development, investment type, and environmental risks. Lastly, policymakers should consider energy investments from China not only as a tool for their country's economic growth, but also in terms of energy security and sustainability.
AtıfScopus22WoS22OpenAlex23İncele - MakaleYalnız künye2026Scopus SJRQ1Economic, Environmental, Social, and Governance (ECON - ESG) Strategies For Sustainable Development: Theory and a Holistic Evidence From Germany
Isik, Cem; Ongan, Serdar; Aydin, Rahman; Imamoglu, Ilyas kays
To achieve the SDGs, in addition to environmental (E), social (S), and governance (G) indicators, economic components should also be evaluated holistically. In this context, this research aims to test the time series characteristics of the indicators in the ECON-ESG structure, which is created by integrating the economic dimension into the ESG framework for Germany. For this purpose, linear and nonlinear structures, Fourier-based stationarity tests, and Bai-Perron multiple structural break tests were employed to examine the linear and nonlinear structures, stationarity cases, and structural breaks of various ESG and economic indicators (ECON). Findings show that many indicators are nonstationary, undergo structural changes over time, and exhibit nonlinear dynamics. The results indicate that sustainability policies should focus not only on indicator levels but also on the behavioral patterns and vulnerabilities of these indicators over time. In this regard, policymakers need to develop a holistic perspective on the economy and ESG, focusing on long-term and flexible policy designs. The study also offers important implications for how the ECON-ESG framework can serve as a model for both national and international markets, particularly in Germany, a developed and leading country in terms of sustainability. Therefore, the proposed ECON-ESG framework offers both theoretical and practical roadmaps for policymakers, firms, and investors to create long-term ESG strategies in support of the SDGs.
AtıfScopus74WoS75İncele - MakaleAçık Erişim2026Scopus SJRQ1Effect of Perioperative Supplementation with Arginine and Omega-3 on Postoperative Complications in Patients Undergoing Gastrointestinal Cancer Surgery: A Pilot Open-Label Randomized Controlled Trial
Sakhri, Saida; Othman, Rym Ben; Jerbi, Chaima; Ceylan, Halil Ibrahim; Naija, Lamia; Zemni, Ines; Jamoussi, Henda; Dhiab, Tarek Ben; Ceylan, Nagihan Burcak; Stefanica, Valentina
Background: Perioperative immunonutrition, including arginine and omega-3 fatty acids, has been proposed to support postoperative recovery by modulating immune function. Aim: To evaluate the effects of perioperative arginine and omega-3 supplementation on postoperative infectious complications, mortality, hospital length of stay, intensive care unit duration, and inflammatory markers in patients undergoing gastrointestinal cancer surgery. Methods: In this Pilot Open-Label randomized trial, 35 adult patients scheduled for elective gastrointestinal cancer surgery at Salah Azaiez Institute were randomly assigned to receive either perioperative immunonutrition (n = 18; three daily capsules of omega-3 and one sachet of Arginine+ for 7 days preoperatively and 7 days postoperatively) or standard care (n = 17). Primary endpoints were postoperative infectious complications and 1-month mortality. Secondary endpoints included hospital length of stay, ICU duration, and postoperative biochemical markers. Results: No statistically significant differences were observed between groups in 1-month mortality (p = 0.324), hospital length of stay (median 7 vs. 7 days, p = 0.392), or ICU duration (median 5 vs. 6 days, p = 0.601). Urinary tract infection (5.9% vs. 11.1%, p = 0.939) and wound infection rates (5.9% vs. 11.1%, p = 0.581) were comparable. Importantly, postoperative C-reactive protein and other inflammatory markers did not differ significantly between groups (CRP: 165 vs. 175 mg/L; intergroup p = 0.798). Conclusions: In this trial, perioperative immunonutrition with arginine and omega-3 fatty acids did not improve postoperative clinical outcomes or inflammatory markers in patients undergoing gastrointestinal cancer surgery. At the administered dose and within a small, heterogeneous cohort, immunonutrition did not provide additional benefit beyond standard care. Larger, adequately powered multicenter trials with optimized dosing are required to clarify its role in gastrointestinal oncology.
AtıfScopus3WoS2OpenAlex2İncele - MakaleAçık Erişim2026Scopus SJRQ2Comprehensive characterization of 26 Turkish asteraceae species: Insights from FTIR, phytochemical composition, and elemental analysis via ICP-MS
Civas, Ayse; Karakas, Seydanur; Bayrak, Burak; Akyüz, Beyzanur; Keçeci, Emire Bengisu; Özerd, Elif Beyza; Sönmez, Hatice Rumeysa; Asgarli, Tugay; Disli, Fatma Taeb; Yuca, Hafize
This study provides a comprehensive phytochemical, elemental, and spectroscopic characterization of 26 species belonging to the Asteraceae family, several of which are endemic to T & uuml;rkiye and traditionally used in folk medicine. Qualitative screening revealed the widespread presence of flavonoids, saponins, tannins, and carbohydrates, while alkaloids and anthracene heterosides were entirely absent in all taxa. Among the species analyzed, Cichorium intybus, Cyanus depressus, Achillea arabica, and Cirsium davisianum exhibited the richest phytochemical diversity, suggesting strong biological potential. Quantitative evaluation showed that Klasea serratuloides possessed the highest total phenolic content (99.49 mu g GAE/mg extract), followed by Artemisia scoparia and Inula sarana, indicating notable antioxidant potential. Elemental analysis by ICP-MS demonstrated significant interspecies variation, with Centaurea armena, Centaurea arvensis, and Cichorium intybus containing elevated levels of essential macro- and trace elements such as K, Mg, Ca, Zn, and Se, whereas Helichrysum plicatum and Scorzonera ulrichii showed high Co and Se contents. Conversely, trace levels of potentially toxic elements (e.g., Al, U) were detected in some taxa, emphasizing the need for careful evaluation of their pharmacological use. FTIR analysis confirmed the presence of functional groups characteristic of phenolics, flavonoids, tannins, coumarins, and cardioactive heterosides, as indicated by distinct O-H (3200-3600 cm-1), C-H (2850-2950 cm-1), and C=O (1700-1650 cm-1) stretching bands. The combined interpretation of phytochemical and FTIR data underscores the chemical diversity and functional group complexity of these plant extracts. Overall, the results highlight the nutritional and pharmacognostic significance of several Asteraceae species, supporting their potential application in antioxidant, nutraceutical, and therapeutic formulations.
AtıfScopus2WoS2OpenAlex4İncele - MakaleAçık Erişim2026Scopus SJRQ3Ramadan intermittent fasting alters cardiac autonomic modulation, neuromuscular performance, and recovery in adolescent tennis players: a within-subject repeated-measures design
Lakhdar, Nadia; Landolsi, Mounir; Ghouili, Hatem; Ceylan, Halil Ibrahim; Ceylan, Nagihan Burcak; Muntean, Raul Ioan; Alsaeed, Mohammed Issa; Ben Said, Noureddine M.; Zaouali, Monia; Bouhlel, Ezzedine
Background: Tennis requires repeated high-intensity efforts with brief recovery periods, placing significant demands on cardiac autonomic regulation and neuromuscular performance. Ramadan intermittent fasting alters sleep, nutrition, and hydration patterns, potentially affecting match responses, particularly in adolescents. Methods: Sixteen male International Tennis Federation (ITF) junior players completed a within-subject repeated-measures study during mid-Ramadan and 15 days post-Ramadan. Each performed a standardized two-set outdoor match under both conditions. Heart rate variability (HRV), countermovement jump (CMJ), blood glucose, hydration markers, and rating of perceived exertion were assessed at baseline (T0), between sets (T1), and post-match (T2). Sleepiness, chronotype, fatigue, and recovery were evaluated via validated questionnaires. Results: Match play reduced lnRMSSD (p < 0.001, eta p(2 )= 0.775) and increased LF/HF (p < 0.001, eta p(2)= 0.234), indicating sympathetic dominance. During Ramadan, parasympathetic activity was lower (p < 0.001, eta p(2)= 0.269), and CMJ performance was reduced (p = 0.010, eta p(2)= 0.085). Blood glucose showed a Period & times; Set interaction (p = 0.020,eta p(2) = 0.114). Sleepiness, fatigue, and perceived recovery were significantly impaired (p < 0.001). Conclusion: Ramadan intermittent fasting reduces vagal activity and impairs neuromuscular performance in adolescent tennis players. HRV-guided training, optimized nutrition, and sleep management may help mitigate these effects.
- MakaleAçık Erişim2026Scopus SJRQ1Acute Caffeine Ingestion, Calendar-Based Menstrual-Cycle Window, Time of Day, and Match-Induced Fatigue Independently and Interactively Influence Psychophysiological, Cognitive, and Physical Performance in Elite Female Volleyball Players: A Randomized Double-Blind Placebo-Controlled Crossover Design Study
Seddik, Meher; Dhahbi, Wissem; Bessifi, Manel; Moussa-Chamari, Imen; Ceylan, Halil Ibrahim; Ceylan, Nagihan Burcak; Muntean, Raul Ioan; Cular, Drazen; Souissi, Nizar
Aim: Female athletic performance is shaped by the convergence of menstrual-cycle timing, circadian rhythms, fatigue, and ergogenic supplementation; yet no prior study has examined these factors simultaneously in a sport-specific setting. This study investigated the independent and combined effects of acute caffeine ingestion, calendar-based testing window, time of day, and match-induced fatigue on psychophysiological, cognitive, and physical performance in trained female volleyball players. Methods: Thirteen elite eumenorrheic female volleyball players (age: 24.23 +/- 4.06 years) completed a randomized, double-blind, placebo-controlled crossover protocol comprising 12 sessions corresponding to all combinations of testing window (menstrual, follicular, luteal), supplementation (caffeine 6 mg & centerdot;kg(-1) vs. placebo), and time of day (08:00 h vs. 18:00 h). Assessments included the Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index, Spiegel questionnaire, Profile of Mood States, Hooper Index, Stroop task, Countermovement Jump (CMJ), Modified Agility T-Test (MAT), and Reactive Agility Test (RAT), administered before and after a one-hour simulated match. Results: Significant main effects of testing window, caffeine, time of day, and fatigue state were observed across all outcome domains (all p < 0.05). Caffeine reduced daytime sleepiness (F(1,12) = 23.84, p < 0.001, eta p(2) = 0.665), enhanced vigor (F(1,12) = 114.10, p < 0.001, eta p(2) = 0.905), and improved MAT performance (F(1,12) = 33.27, p < 0.001, eta p(2) = 0.735). The follicular window was associated with superior cognitive, neuromuscular, and mood-related outcomes relative to the menstrual and luteal windows. Exploratory higher-order interactions suggested condition-specific caffeine benefits for MAT, RAT, and CMJ, particularly in afternoon post-fatigue conditions; these patterns require replication in larger samples. Conclusions: Acute caffeine ingestion improved several psychophysiological, cognitive, and neuromuscular outcomes in trained female volleyball players, with effects that varied across calendar-based testing windows, time of day, and fatigue state. Individualized supplementation strategies incorporating cycle timing and circadian context remain investigational; prescriptive recommendations require replication in larger, hormonally verified samples before clinical or applied adoption.
AtıfScopus1WoS1OpenAlex2İncele - MakaleYalnız künye2026Scopus SJRQ2The 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.
- MakaleAçık Erişim2026Scopus SJRQ1The 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.
- MakaleAçık Erişim2026Scopus SJRQ2Network comparison methods detect temporal reorganization of psychophysiological integration invisible to conventional univariate analysis: Proof-of-concept using lunar-phase-timed measurements in elite athletes
Yousfi, Narimen; Dhahbi, Wissem; Ghouili, Hatem; Mejri, Mohamed Arbi; Bessifi, Manel; Ceylan, Halil Ibrahim; Valentina, Stefanica; Ceylan, Nagihan Burcak; Chtourou, Hamdi; Dergaa, Ismail
Field studies using conventional univariate methods fail to detect physiological rhythms (melatonin, cortisol, sleep architecture) that are consistently documented under laboratory-controlled conditions, suggesting that temporal factors operate on systemic organization rather than isolated metrics. Network analysis quantifies conditional dependencies among variables simultaneously, enabling the detection of organizational changes independent of mean-level shifts. As an exploratory proof-of-concept, this study examines whether network comparison methods detect temporal reorganization of psychophysiological integration invisible to conventional repeated-measures analysis in elite athletes; no confirmatory causal inference is drawn. Twelve elite male athletes completed psychophysiological assessments (mood states, subjective well-being, neurocognitive performance, postural control, intermittent endurance) at three lunar phases (New Moon, First Quarter, Full Moon) in a counterbalanced design. Conventional repeated-measures ANOVA detected no temporal effects on isolated variables (all F < 2.87, p > 0.05, eta(2)p < 0.21). Network comparison revealed marked organizational differences: New Moon versus Full Moon networks exhibited distinct architecture (M = 0.31, padj = 0.008) and connectivity (S = 8.42, padj = 0.029). Centrality systematically redistributed from capacity and well-being constructs (New Moon: vigour z = 1.82) to recovery markers (Full Moon: stress z = 2.13). Twelve connections differed significantly, including enhanced stress-confusion coupling (Delta r = +0.39, p = 0.003). This proof-of-concept demonstrates that temporal measurements can exhibit systemic reorganization despite stable component means, resolving apparent contradictions between laboratory-detected physiological rhythms and field-based null findings. Temporal control measurements and multi-cycle replication are required to definitively attribute observed reorganization to lunar periodicity rather than generic temporal variation.
- MakaleYalnız künye2026Scopus SJRQ2Novel 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.
AtıfScopus1OpenAlex1İncele - MakaleAçık Erişim2026Scopus SJRQ1High Prevalence of Malnutrition and Sarcopenia with Inadequate Nutritional Support in Intensive Care Unit Patients: A Prospective Observational Study of Clinical Outcomes
Ben Othman, Rym; Cherni, Asma; Dergaa, Ismail; Ceylan, Halil Ibrahim; Ceylan, Nagihan Burcak; Stefanica, Valentina; Sedghiani, Ines; Borsali, Nebiha; Jamoussi, Henda
Background: Malnutrition and sarcopenia are highly prevalent in intensive care settings and are associated with adverse clinical outcomes. Aim: The study aimed to evaluate the association between nutritional care, nutritional status, and patient outcomes in intensive care units. Methods: This prospective observational study at a Tunisian tertiary hospital investigated nutritional status and management of 100 intensive care unit patients, each of whom was followed for seven days after ICU admission. Malnutrition Risk was assessed by NUTRIC and MNA scores. The severity of disease was assessed using the APACHE II and SOFA scores. Malnutrition was diagnosed using body mass index and weight loss. Sarcopenia was assessed through grip strength, calf circumference, and psoas muscle area. Nutritional management was evaluated using calculations of caloric and protein intake. Clinical outcomes included the need for intubation, difficulty with oxygen weaning, healthcare-associated infections, and the development of pressure ulcers. Results: The participants had a mean age of 54.85 +/- 17.25 years, with a slight male predominance (53 males, 47 females). Pre-existing metabolic conditions affected 80% of patients, including hypertension (40 patients), diabetes (36), and obesity (18). The primary reasons for admission were respiratory disorders (25%), infectious diseases (23%), and metabolic disorders (16%). The mean APACHE II score was 15.91 +/- 6.84, and the mean NUTRIC score was 3 +/- 1.66; 27% were classified as at high risk of malnutrition. The prevalence of malnutrition reached 50% (28% moderate, 22% severe). Only 31% received adequate caloric intake, while 84% had insufficient protein intake. Malnourished patients required intubation more frequently (50% versus 22.5%; p = 0.014), experienced greater difficulty with oxygen weaning (78.4% versus 48.6%; p = 0.008), and developed pressure ulcers more often (43.5% versus 6%; p < 0.001). Sarcopenic patients showed similar patterns for intubation (51.4% versus 18.9%, p = 0.003), oxygen weaning difficulty (77.5% versus 46.9%, p = 0.007), and pressure ulcers (39.2% versus 6.7%, p < 0.001). Conclusions: Malnutrition and sarcopenia are highly prevalent in intensive care patients and are associated with severe complications, including prolonged mechanical ventilation and pressure ulcer development. Inadequate nutritional support remains common despite known consequences. Early comprehensive nutritional assessment and appropriate management from admission are essential to improve outcomes in critically ill patients.
AtıfScopus2WoS1OpenAlex3İncele - MakaleYayıncıda açık erişim2025Answer-based and reference-based BERT models for automatic scoring of Turkish short answers: The decisive role of task complexity
Kara, Abdulkadir; Kara, Zeynep Avinc; Yildirim, Serkan
In measurement and evaluation processes, natural language responses are often avoided due to time, workload, and reliability concerns. However, the increasing popularity of automatic short-answer grading studies for natural language responses means such answers can now be measured more quickly and reliably. This study aims to build models for predicting automatic short answer scores using the pre-trained BERT deep learning language model and to reveal their effectiveness. For this purpose, two different score prediction models were created using an answerbased approach that aligns student answers with expert judgements and a referencebased approach that matches student answers with reference answers. The dataset includes answers from 246 Physics department students responding to 4 physicsrelated questions. The performance of these models was evaluated on four physics questions representing varying levels of cognitive complexity, using Cohen's Kappa for statistical comparison of agreement with expert scores. Our findings reveal a clear interaction between model architecture and task complexity. The answer-based model was unequivocally superior for the most complex, multi-class task, effectively capturing diverse, nuanced responses. Conversely, the reference-based model demonstrated a statistically significant advantage for a well-defined, mediumcomplexity binary task. This study concludes that the optimal model for ASAG in Turkish is contingent on the cognitive demands of the assessment task, suggesting that a onesize-fits-all solution may not be the most effective approach. This provides a critical framework for practitioners, demonstrating not only that effective models are feasible for complex languages, but that their selection must be guided by task complexity.
AtıfWoS1OpenAlex2
İncele - MakaleAçık Erişim2025THE ROLE OF CAPITAL FLOWS IN THE INTERNATIONAL TRANSMISSION OF US MONETARY POLICY: THE CASE OF TURKEY
Akar, Nuri Cagri; Varlik, Cemil
This article aims to examine the impacts of US monetary policy (MP) changes on the Turkish economy. A Structural Vector Autoregressive (SVAR) model is estimated for the period 2002:01-2017:12, during which a flexible exchange rate regime was adopted in the Turkish economy. According to the impulse-response analysis, the Turkish interest rate responds positively and significantly to the US Effective Federal Funds Rate (EFFR). AThis result shows that the Central Bank of the Republic of Turkey's (CBRT) MP follows the FED's MP, consistent with the dilemma hypothesis of Rey (2015). The analysis also demonstrates that both the EFFR and the VIX have a negative impact on net total capital inflows to the Turkish economy. The impulse-responses for the three components of net capital inflows indicate important conclusions. Firstly, neither EFFR nor VIX has a significant impact on Net Foreign Direct Investment (NFDI) inflows. Secondly, Net Portfolio Investments (NPI) respond significantly to the VIX but not to the EFFR. Thirdly, Net Other Investments (NOI) respond significantly to the EFFR but not to the VIX. These findings indicate that the NOI component plays a direct and major role in the emergence of the US MP's spillover effects on the Turkish MP.
AtıfWoS1İncele - MakaleAçık Erişim2025TOURIST DECISION-MAKING WHEN SELECTING A DESTINATION: AN ANALYTICAL HIERARCHY PROCESS ANALYSIS OF CONSUMPTION VALUES
Turk, Bahar; Yildiz, Tugba; Dursun, Mehmet Tahir
Within the context of tourism-related activities, numerous factors may influence a traveller's choice of destinations. Therefore, it is crucial to understand which factors will mostly influence destination selection. It is common knowledge that in a destination selection process, people are likely to visit sites they believe are worthwhile. The Analytical Hierarchy Process (AHP) was used in the study, and the data were collected from twelve experts, including six academicians of tourism and destination marketing, and six tour guides with more than ten years of experience in the sector. The research aims to determine the priority order of consumption values in determining the preferences of tourists for the destinations they have selected. The results show that epistemic value was the most important factor in determining a tourist's choice of destination. Moreover, it was found that the following dimensions, namely functional value, i.e., worth the money, emotional value, i.e., feel secure, social value, i.e., meet friendly and hospitable people, epistemic value, i.e., providing novelty experiences, and conditional value, i.e., personal safety have also been given priority. By identifying the priorities of a tourist in the destination selection process, it is envisaged that tourism businesses operating in tourist destinations will be able to provide better value-added activities, such as in food and beverage, lodging, entertainment, and travel agencies. In providing theoretical and empirical information for those involved in the sector, a more efficient process is thus ensured. With the help of this knowledge of what is expected of tourists as consumers, it will be easier to develop comprehensive strategies and solutions.
AtıfWoS1İncele - MakaleAçık Erişim2025DIFFERENTIAL EQUATIONS CHARACTERIZATION FOR Di-DARBOUX SLANT HELICES
Alkan, Akin; Kocayígít, Huseyin; Aydin, Tuba Agirman
In this article, the differential equation characterizations for D-i-Darboux slant helices given with the help of three new orthogonal frames are introduced for the curves lying on a surface. These moving frames, obtained based on the Darboux frame, are called Osculating Darboux Frame, Normal Darboux Frame, and Rectifying Darboux Frame, respectively.
AtıfWoS1OpenAlex1İncele - MakaleAçık Erişim2025The interplay between university students' needs, maturity levels (personal, familial, and social), and life satisfaction
Akyüz, Ahmet Mutlu; Durmus, Ibrahim
It is essential for young Turkish individuals (university students) to rapidly develop their skills and abilities to take on leadership roles in society. To become well-equipped individuals who contribute to societal welfare and development, these young adults must undergo a healthy adolescent maturity process. Therefore, providing a supportive environment for Turkish adolescents during their maturation is crucial. This study investigates how fulfilling all hierarchical needs (PSN, LBN, ESAN) affects Turkish adolescents' life satisfaction (LS) and their personal (PM), familial (FM), and social (SM) maturity levels. The study sample consists of 397 Turkish university students. The proposed research model was tested using PLS-SEM analysis. The findings indicate that fulfilling all hierarchical needs positively affects life satisfaction. Additionally, life satisfaction serves as a mediator between the fulfillment of hierarchical needs and maturity levels. However, the most fundamental physical and security needs are not adequately met, hindering personal maturity. Furthermore, love and belonging needs and esteem and self-actualization needs positively impact all maturity levels.
- MakaleAçık Erişim2025Scopus SJRQ4The Armenia-Georgia War of 1918 in the Context of the Resolution of the Border Dispute by Force
Sadik, Ramin
Seizing the opportunity created by the revolutions in Russia, the three South Caucasian peoples declared their independence in 1918 and wanted to be part of the new order after World War I. At the same time, they engaged in an intense debate about their livingspace and the disputed borders between them. Azerbaijan followed a more restrained policy than the other two and favoured a negotiated settlement of the conflicts. Meanwhile, Georgia and Armenia went to war over the border dispute between them, and the region witnessed bloody confrontations for this reason. The dream of 'Greater Armenia' of the Dashnak Party, which is in power in Armenia, has been the main cause of the conflicts in the region. Dashnak's unending ambitions, its territorial claims against both neighbours and its preference for an armed rather than a political solution turned it into the main perpetrator of the turmoil. Consequently, the Armenian leadership's provocative actions against Georgia led to a fierce war between the two countries in December 1918. The war, which continued for three weeks, was halted by the intervention of Britain and France and ended with a peace treaty. This study focuses on the wars that took place between Armenia and Georgia in 1918. Within the scope of the study, the documents ofthe Georgian Central Historical Archive were examined, news, comments and analyses in the Georgian, Russian and Azerbaijani press of the period were meticulously scanned, and memoirs were examined. At the same time, as a result of reading, collating and evaluating the second-hand sources written on the subject, the study has been transformed into an original academic article.
- MakaleAçık Erişim2025Sociology of Religion Textbooks Between Apology and Sociology
Hasanov, Behram
This article analyzes three sociology of religion textbooks commonly taught in the faculties of Theology and Islamic Sciences in Turkey through content analysis to examine how the relationship between sociological analysis and theological arguments is established in these works and to what extent this relationship overlaps with the scientific framework of sociology of religion. The study finds that apologetic tendencies towards Islam are common in these textbooks and that the boundaries between sociological analysis and theological arguments are blurred. The study analyzes two prominent themes in the textbooks: (1) constructing a positive narrative of Islam and (2) advocacy based on sacred and academic authorities. The first theme emphasized that Islam is compatible with contemporary values and emphasized positive examples of Islam and avoided negative or controversial examples. At the same time, it was also found that Muslim societies advocated against the association of negative examples with Islam and emphasized the positive aspects of Islam in comparison with other religions. Within the framework of the second theme, it was determined that the defense of Islam was based on sacred texts and positive evaluations of Western social scientists. Instead of empirical data and sociological methods, direct reference was made to sacred texts, and the positive views of Western social scientists on Islam were selectively conveyed. As a result, the textbooks examined violate the methodological principles of sociology and produce a religious defense discourse. The study emphasizes that the sociology of religion literature in T & uuml;rkiye should be re-evaluated based on scientific objectivity.
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