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Citation - WoS: 22
Citation - Scopus: 22
Aflatoxin M1 in Human Breast Milk in Southeastern Turkey
(Springer Heidelberg, 2017) Altun, Serap Kilic; Gurbuz, Semra; Ayag, Emin
This study was performed to determine aflatoxin M-1 (AFM(1)) in human breast milk samples collected in AanlA +/- urfa, located in Southeastern region of Turkey, and to investigate a possible correlation between AFM(1) occurrence (frequency and levels) and sampling seasons. Human breast milk samples collected in December 2014 and in June 2015 from a total of 74 nursing women, both outpatient and inpatient volunteers in hospitals located in AanlA +/- urfa, Turkey, were analyzed using competitive enzyme-linked immunosorbent assay (ELISA) for the presence of AFM(1). AFM(1) was detected in 66 (89.2%) out of 74 samples at an average concentration of 19.0 +/- 13.0 ng/l (min.-max., 9.6-80 ng/l). There was a statistically significant difference between December and June concerning AFM(1) levels (p < 0.05). Further detailed studies will be needed to determine the main sources of aflatoxins in food, to establish protection strategies against maternal and infant exposure to these mycotoxins.
Citation - WoS: 3
Citation - Scopus: 3
Aging and cardiac implantable electronic device complications: is the procedure safe in older patients?
(Springer, 2023) Güzel, Tuncay; Aktan, Adem; Kılıç, Raif; Günlü, Serhat; Arslan, Bayram; Arpa, Abdulkadir; Güzel, Hamdullah; Tatlı, İsmail; Aydın, Saadet; Suzan, Veysel; Demir, Muhammed
Background: In this study, we investigated whether there is a higher incidence of cardiac implantable electronic devices (CIED) procedures related complications in older (≥ 75 years) than in younger (< 75 years) patients. Methods: This retrospective cohort study enrolled patients who had undergone CIED procedures (de novo implantation, system upgrade, generator substitution, pocket revision or lead replacement) at two heart centers in Turkey between January 2011 and May 2023. The primary composite endpoint included clinically significant hematoma (CSH), pericardial effusion or tamponade, pneumothorax, and infection related to the device system. Secondary outcomes included each component of the composite end point. Results: The overall sample included 1923 patients (1419 < 75 years and 504 aged ≥ 75 years). There was no difference between the groups in terms of cumulative events defined as primary outcome (3.5% vs. 4.4%, p = 0.393). Infection related to device system was significantly higher in the ≥ 75 age group (1.8% vs. 3.4%, p = 0.034). There was no significant difference between the groups in terms of clinically significant hematoma and pneumothorax (0.7% vs. 0.4%, p = 0.451, 1.4% vs. 1.0%, p = 0.477, respectively). In multivariate model analysis, no association was found between age ≥ 75 years and infection related to the device system. Conclusion: Infection rates were relatively higher in the patient group aged ≥ 75 years. This patient group should be evaluated more carefully in terms of infection development before and after the procedure.
Citation - WoS: 3
Aging and cardiac implantable electronic device complications: is the procedure safe in older patients?
(ELSEVIER, 2023) Güzel, Tuncay; Aktan, Adem; Kılıç, Raif; Günlü, Serhat; Arslan, Bayram; Arpa, Abdulkadir; Güzel, Hamdullah; Tatlı, İsmail; Aydın, Saadet; Suzan, Veysel; Demir, Muhammed
Background In this study, we investigated whether there is a higher incidence of cardiac implantable electronic devices (CIED) procedures related complications in older (≥75 years) than in younger (<75 years) patients. Methods This retrospective cohort study enrolled patients who had undergone CIED procedures (de novo implantation, system upgrade, generator substitution, pocket revision or lead replacement) at two heart centers in Turkey between January 2011 and May 2023. The primary composite endpoint included clinically signifcant hematoma (CSH), pericardial efusion or tamponade, pneumothorax, and infection related to the device system. Secondary outcomes included each component of the composite end point. Results The overall sample included 1923 patients (1419<75 years and 504 aged≥75 years). There was no diference between the groups in terms of cumulative events defned as primary outcome (3.5% vs. 4.4%, p=0.393). Infection related to device system was signifcantly higher in the≥75 age group (1.8% vs. 3.4%, p=0.034). There was no signifcant diference between the groups in terms of clinically signifcant hematoma and pneumothorax (0.7% vs. 0.4%, p=0.451, 1.4% vs. 1.0%, p=0.477, respectively). In multivariate model analysis, no association was found between age≥75 years and infection related to the device system. Conclusion Infection rates were relatively higher in the patient group aged≥75 years. This patient group should be evaluated more carefully in terms of infection development before and after the procedure.
Citation - WoS: 8
Citation - Scopus: 8
Analysis of bioactive compounds using LC-ESI-MS/MS, cytotoxic, antimicrobial effects, and enzyme activities from Cyclotrichium origanifolium
(Wiley Online Library, 2022) Aktepe, Necmettin; Baran, Ayşe; Atalar, Mehmet Nuri; Baran, Mehmet Fırat; Keskin, Cumali; Taşkin, Abdullah; Yavuz, Ömer; Demirtaş, İbrahim; Oğuz, Ercan; Jahan, Israt
Cyclotrichium origanifolium is a medicinal plant belonging to the Lamiaceae family. In this study, phenolic content analysis, antimicrobial effects, and cytotoxic effects of extracts of C. origanifolium were investigated. In the extracts, phenolic compound analysis by the liquid chromatography–electrospray ionization– tandem mass spectrometry method, antimicrobial effect by the minimum inhibition concentration method, and cytotoxic effect on human dermal fibroblasts (HDF), glioblastoma cell (U87), ovarian adenocarcinoma cell (Skov-3), and human colorectal adenocarcinoma cell (CaCo-2) cancer cell lines were investigated. Cytotoxicity analyses were performed by the MTT method. In addition, the GST and AChE enzyme activities of the extracts were also measured. Around 18 compounds were detected in both the methanol and ethanol extract. It was found that the best antimicrobial effect on Gram-negative Pseudomonas aeruginosa was on methanol extract, while the ethanol extract was on Candida albicans fungus (respectively, 2.50mg/ml, 5.0 μg/ml). A 500μg/ml of methanol extract has been shown to have cytotoxic activity high effect on HDF cells. GST and AChE activity were found to decrease in a concentration-dependent manner.
Citation - WoS: 42
Are Lesson Plans Created by ChatGPT More Effective? An Experimental Study
(INT SOC TECHNOLOGY EDUCATION, 2024) Karaman, Muhammet Remzi; Göksu, İdris
In this research, we aimed to determine whether students' math achievements improved using ChatGPT, one of the chatbot tools, to prepare lesson plans in primary school math courses. The research was conducted with a pretest-posttest control group experimental design. The study comprises 39 third-grade students (experimental group = 24, control group = 15). The implementation process lasted five weeks and 25 lesson hours. In the experimental group, lessons were taught according to plans prepared using ChatGPT, while in the control group, existing lesson plans were used. Students' academic achievement was measured with a multiple-choice achievement test of 25 questions with two separate questions for each learning objective. According to the results, students' academic achievement increased significantly (d = 1.268) in math lessons taught according to lesson plans prepared using the ChatGPT. Although there was a difference between the posttest scores of the experimental group and the control group in favor of the experimental group, it was determined that this difference was not significant. These results show that teaching primary school math according to lesson plans prepared using ChatGPT is effective in academic achievement. Teachers should consider ChatGPT and their plans, combining them and benefiting from both in the implementation process.
Citation - WoS: 8
Citation - Scopus: 10
Attitudes promoting coping with death anxiety among parents of children with disabilities
(Taylor and Francis Online, 2021) Kaçan, Havva; Sakız, Halis; Bayram Deger, Vasfiye
We investigated death anxiety among parents of children with disabilities and its associations with coping attitudes and psycho-demographic factors. Surveys were administered to 382 parents of children who possess a severe disability and data were analyzed via descriptive and inferential statistics. Findings revealed that parents experienced high levels of death anxiety; the level of death anxiety changed according to some psycho-demographic factors, such as external support, type of disability, and death-related beliefs; and death anxiety was significantly explained by demographic variables, death-related thoughts, and experiences, and adaptive and maladaptive coping attitudes.
Citation - WoS: 22
Citation - Scopus: 29
Can entrepreneurial knowledge boost the entrepreneurial intent of French students? The mediation role of behavioral antecedents
(Emerald, 2022) Alkhalaf, Taher; Durrah, Omar; Almohammad, Dawoud; Ahmed, Faisal
Purpose: Entrepreneurial knowledge occupies a significant place in policy discourse and practice, especially in developed economies. This study aims to examine the effect of entrepreneurial knowledge on the components of entrepreneurial intent of undergraduate students. The authors seek to decipher a deeper understanding of their orientation for engaging in new ventures. In addition, we analyze the mediating role of behavioral antecedents between entrepreneurial knowledge and entrepreneurial intent. Design/methodology/approach: The authors collected the primary data of 400 undergraduate students from French universities and used structural equation modeling through Smart PLS software for testing several pertinent hypotheses. Findings: The study’s results revealed that entrepreneurial knowledge negatively affects students’ attitudes in choosing entrepreneurship in favor of a corporate job. In addition, entrepreneurial knowledge does not affect the social norms and self-efficacy that shape entrepreneurial intent. Interestingly, our study also revealed no mediating role between entrepreneurial knowledge and students’ self-efficacy. Originality/value: The findings of this study will contribute to the academic discourse on the role of entrepreneurial knowledge and its potential effect in promoting entrepreneurship. Furthermore, this study has policy implications and solicits developing entrepreneurship programs to enhance entrepreneurial intent among young people.
Citation - WoS: 9
Citation - Scopus: 18
The cathedral complex at Nisibis
(CAMBRIDGE UNIV PRESS, 2013) Keser Kayaalp, Elif; Erdoğan, Nihat
The cathedral complex at Nisibis sits within what is currently a large excavation site. The excavations, continuing on and off over the last 12 years, have yielded exciting discoveries. This article is not a report of the excavations as such, but, in the light of them, it revisits the cathedral complex in an attempt to reconstruct the possible cathedral on the site and to establish the building phases of the only standing structure on the site, known as the 'Church of Mor Yaqub', which was the baptistery of the cathedral.
Citation - WoS: 26
Citation - Scopus: 25
Characterization and Comparison of Extra Virgin Olive Oils of Turkish Olive Cultivars
(Molecules, 2023) Korkmaz, Aziz
Extra virgin olive oils (EVOOs) obtained from five Turkish olive cultivars widely produced in the Aegean and Marmara regions were investigated based on their total antioxidant capacity (TAC), total phenolic content (TPC), pigment contents, fatty acid (FA) profiles, phenolic compounds (PC), volatile compounds (VC), and sensory properties. The results showed that all properties of EVOO samples were significantly affected by the olive cultivar used. The pigment contents in Ayvalık (9.90 mg·kg−1) and Uslu (9.00 mg·kg−1) oils were higher than the others (p < 0.05). The greatest values for oleic acid (74.13%) and TPC (350.6 mg·kg−1) were observed in Gemlik and Domat oils, respectively (p < 0.05). Edincik oil showed the maximum hydroxytyrosol content (48.022 mg·kg−1) and TAC value (515.36 mg TE·kg−1) (p < 0.05). The Edincik, Domat, and Uslu oils were significantly not different for the total content of C6 compounds derived by lipoxygenase, which are the main volatiles responsible for the typical aroma of EVOOs (p > 0.05). Domat oil also exhibited the highest scores for bitterness and pungency perceptions (p < 0.05). The fruitiness scores of the oil samples (except for Ayvalık oil) were close to each other, even if they were statistically different (p < 0.05). Principal component analysis (PCA) indicated that the Ayvalık oil was separated from the others due to its poor-quality characteristics. As a result, it can be stated that Domat olive oil has better quality than the others
Citation - WoS: 3
Citation - Scopus: 6
Chronic effects of maternal tobacco-smoke exposure and/or α-lipoic acid treatment on reproductive parameters in female rat offspring
(Taylor & Francis Online, 2020) Erdem Güzel, Elif; Nalan Kaya, Ahmet Tektemur, Nazife Ulker, Ahmet Yardimci, Ramazan Fazil Akkoc, Sinan Canpolat & Ibrahim Enver
Prenatal tobacco-smoke exposure negatively affects the reproductive functions of female offspring and oxidative stress plays a major role at this point. Alpha-lipoic acid (ALA), well known as a biological antioxidant, has been used as a nutritional supplement and as a therapeutic agent in the treatment of certain complications during pregnancy. We aimed to investigate the effects of maternal tobacco-smoke exposure and/or ALA administration on puberty onset, sexual behavior, gonadotrophin levels, apoptosis-related genes, apoptotic cell numbers and oxidative stress markers in the adult female rat offspring. Sprague-Dawley rats were divided into four groups; control, tobacco smoke (TS), TS+ALA and ALA groups. Animals were exposed to TS and/or ALA for 8 weeks before pregnancy and throughout pregnancy. All treatments ended with birth and later newborn female rats were selected for each experimental group. The experiment ended at postnatal day 74-77. Maternal tobacco smoke advanced the onset of puberty in the female offspring of the TS group (p < 0.05). In all treatment groups; the mean number of anogenital investigations and lordosis quality scores showed a decline, serum luteinizing hormone levels significantly increased (p < 0.05) and several histopathological changes in ovaries were observed compared to the control group. In addition, an increase in apoptotic marker levels and apoptotic cell numbers was detected in the ovaries of all treatment groups. Decreased TAS and increased TOS levels were detected in all treatment groups compared to control. These findings suggested that maternal tobacco smoke and/or ALA administration may be leading to the impaired reproductive health of female offspring. Abbreviations: ALA: alpha-lipoic acid; LH: luteinizing hormone; FSH: follicle-stimulating hormone; TAS: total antioxidant status; TOS: total oxidant status; Apaf1: apoptotic protease-activating factor 1; Casp3: caspase 3; Casp9: caspase 9; CF: cyst follicles; 4-HNE: 4-Hidroxynonenal; 8-OHdG: 8-hydroxydeoxyguanosine; TUNEL: terminal deoxynucleotidyl transferase-mediated deoxyuridine-biotin nick end labeling; ROS: reactive oxygen species; GnRHR: gonadotropin-releasing hormone receptor; HPG: hypothalamic-pituitary-gonadal; AMPK: AMP-activated protein kinase; ELISA: enzyme-linked immunosorbent assay; cDNA: complementary DNA; qPCR: quantitative real-time PCR; FC: follicular cysts; PF: primary follicle; SF: secondary follicle; GF: graafian follicle; CL: corpus luteum; DF: degenerated follicle; AF: atretic follicle.
Citation - WoS: 1
Clinical and Cytokine Profile of Children With COVID-19: A Report From Turkey
(Cureus, 2023) Unsal, Velid; Tahir Dalkıran, Emine M Kara, Velid Ünsal, Sadık Yurttutan, Sevcan İpek, Besra Dağoğlu, Yaşar Kandur; Dalkiran, Tahir; Kara, Emine M.; Dagoglu, Besra; Yurttutan, Sadik; Ipek, Sevcan; Kandur, Yasal
Background We aimed to analyze the expression of infection-related biomarkers and inflammatory cytokines in laboratory-confirmed cases and compare the differences between clinically severe and non-severe ones. Method We randomly selected 35 patients who were hospitalized with the diagnosis of coronavirus disease 2019 (COVID-19). Blood serum was obtained at the time of admission to the hospital, on the third to the fifth day, and at the time of discharge. Result The median age of our patients was 56.5±69.7 months (range: 1-205 months). The mean pro-B-type natriuretic peptide (pro-BNP) was significantly higher at the time of admission than on the third to the fifth day of illness. The mean pro-B-type natriuretic peptide levels at three time points were significantly higher in patients with severe cases than in mild-moderate cases. However, there was no significant difference between the clinical severity with regard to the cytokine levels at disease onset and recovery. Conclusion In the study, it was shown that cytokines play an important role in the pathogenesis of COVID-19. Therefore, it may be beneficial to use agents such as tocilizumab in the treatment.
Citation - WoS: 14
Citation - Scopus: 16
Comparison of the Breastfeeding Practices of Refugee Syrian Mothers and Native Turkish Mothers
(Mary Ann Liebert, Inc, 2020) Ertem, Meliksah; Cifci, Sema; Deger, Vasfiye Bayram
Background: The World Health Organization recommends that babies be breastfed within the first hour of delivery and that they should exclusively be given breast milk in the first 6 months. The aim of this study was to ascertain the breastfeeding behaviors of refugee Syrian women and to compare their practices with those of the native mothers of the local community. Materials and Methods: This study is a cross-sectional study. The study was conducted in a Southern city in Turkey. The questionnaire was filled by face-to-face interviews. A total of 381 refugee Syrian mothers were compared with 381 native women living in the same community. Results: A significant difference was found between the two groups regarding breastfeeding. The rate of those who initiated breastfeeding within 1 hour after delivery was 61.4% for the Syrians and 71.1% for the Turkish mothers. In addition, the rates of exclusive breastfeeding (28.1 versus 34.1) and continuing breastfeeding for 12 months (55.0 versus 63.8) were lower in the Syrian refugee mothers. Maternal age and educational level were not correlated to the breastfeeding rates. Conclusions: This study is a rare study in which refugee mothers and local mothers were compared. Forced migration and refugee status are negatively associated with breastfeeding behavior.
Citation - WoS: 63
Citation - Scopus: 85
A conceptual study of the strategic role of gastronomy in tourism destinations
(International Journal of Gastronomy and Food Science, 2020) Seyitoğlu, Faruk; Ivanov, Stanislav
The present study discusses the strategic role of gastronomy in destinations from the perspective of three theoretical foundations of strategic management, namely Resource-Based View (RBV), Emergent Strategy (ES), and Positioning Strategy (PS). Several concepts from the field of gastronomy are used, such as gastronomic identity, tourist behaviours (motivation, experience, consumption), a sense of place, and food image. Utilizing this multi-disciplinary literature, the present study provides an integrative review and develops a model explaining the strategic role of gastronomy in tourism destinations consisting of three main components (the source, process, and form of a strategy). According to the suggested model, gastronomic identity is considered a strategic resource for destinations. Depending on the gastronomic identity, a differentiation strategy can be formed in a destination that involves the presentation of gastronomic products developed and offered by discoverers (entrepreneurs, researchers, and tourists) to the relevant markets. This strategy is the result of an emergent, rather than deliberate, strategic process. However, when destination managers and stakeholders realize that a gastronomy-based strategy has emerged, such a strategy can also be transformed into a deliberate strategy. The predictions of the model are supported by the conceptual and empirical findings of earlier studies.
Citation - WoS: 14
Citation - Scopus: 18
Conflict, insecurity and the political economies of higher education: The case of Syria post-2011
(Emerald Group Holdings Ltd., 2018) Abedtalas, Musallam; Dillabough, Jo-Anne; Fimyar, Olena; McLaughlin, Colleen; Al-Azmeh, Zeina; Abdullateef, Shaher
This paper stems from a 12-month collaborative enquiry between a group of Syrian academics in exile in Turkey and academics from the University of Cambridge into the state of Syrian Higher Education after the onset of the conflict in 2011. The purpose of this paper is to draw on 19 open-ended interviews with exiled Syrian academics; two focus groups; mapping and timeline exercises; and 117 interviews collected remotely by collaborating Syrian academics with former colleagues and students who were still living inside Syria at the time of data collection. The findings of the research suggest that Syrian HE after 2011 was fragmented across regions; in some cases non-existent, and in others deemed to be in a state of reform in order to meet student needs. Key issues that emerged from this work are human rights’ abuses directed against academics and students including the detainment, purging and kidnapping of academics, an increased militarisation of university life and a substantive loss of academic and human capital. Design/methodology/approach – The overall design involved two workshops held in Turkey (in June and July, 2017) at which the Cambridge team explained the stages of undertaking qualitative research and planned the collaborative enquiry with Syrian co-researchers. The first workshop addressed the nature of qualitative research and explored the proposed methods of interviewing, using timelines and mapping. The instruments for interviewing were constructed in groups together and mapping was undertaken with the 21 Syrian academics in exile who attended the workshop. Syrian academics also built their own research plans as a way of expanding the consultation dimension of this project inside Syria, engaged in survey and interview protocol planning and discussed ways to access needed documentation which could be drawn upon to enrich the project. The Syrian coresearchers interviewed remotely HE staff and students who had remained in, or recently left, Syria; the key criterion for group or participant selection was that they had recent and relevant experience of Syrian HE. The second workshop focused on data analysis and writing up. There was also wide consultation with participants inside and outside Syria. As part of the research, the Cambridge team conducted open-ended interviews with 19 Syrian academics and students living in exile in Turkey. This involved interviewing Syrian scholars about their experiences of HE, policy changes over time and their experiences of displacement. The researchers developed this protocol prior to the capacity-building workshops based on previous research experience on academic and student displacement, alongside extensive preparation on the conditions of Syrian HE, conflict and displacement. In addition to interviewing, a pivotal element of methodological rigour was that the authors sought to member check what participants were learning through mapping and timeline exercises and extensive note-taking throughout both workshops. The major issues that the authors confronted were ethical concerns around confidentiality, the need to ensure rigourously the protection of all participants’ anonymity and to be extremely mindful of the political sensitivity of issues when interviewing participants who may not feel able to fully trust “outsider” researchers. Issues of social trust have been reported in the literature as one of the most significant drawbacks in conducting research in “conflict environments” (see Cohen and Arieli, 2011) where academics and students have been working and/or studying in autocratic regimes or were operating within political contexts where being open or critical of any form of institutional life such as university work or the nation could cost them their jobs or their lives. Findings – The accounts of Syrian academics and students emerging from this work point to some of the state-building expressions of HE manifested in the shaping of professional and personal experiences, the condition and status of HE, its spatial arrangements and their associated power formations, and resulting infeelings of intense personal and professional insecurity among Syrian scholars and students since 2011. While acknowledging that the Syrian situation is deemed one of the worst humanitarian crises in the region in recent decades, these accounts resonate, if in different ways, with other studies of academics and students who have experienced highly centralised and autocratic states and tightly regulated HE governance regimes (Barakat and Milton, 2015; Mazawi, 2011). Originality/value – Currently, there is virtually no research on the status and conditions of higher education in Syria as a consequence of the war, which commenced in 2011. This work presents a first-person perspective from Syrian academics and students on the state of HE since the onset of the conflict. The major contribution of this work is the identification of key factors shaping conflict and division in HE, alongside the political economies of HE destruction which are unique to the Syrian war and longstanding forms of authoritarian state governance
Citation - WoS: 12
Citation - Scopus: 13
Construction labour, subcontracting and masculinity: “construction is a man’s job”
(Construction Management and Economics, 2020) Çınar, Sidar
This study examines how construction workers construct their male identity on the basis of their job requirements. A qualitative field research comprising in-depth interviews was conducted with 32 construction workers in Diyarbakır to examine subcontracting in Turkey’s construction sector. The findings show that by defining construction labour in terms of physical capacity, an outcome of the labour conditions shaped by the practice of subcontracting, construction work have become naturalised as a man’s job. The findings also illustrate how construction produces different masculinities that intersect with the understanding of working class shaped by the role of men being the head of the family rather than a single notion of manhood shaped by physical working conditions. Nevertheless, the male worker culture that feeds off different masculinities still retains the power to dominate and exclude women as workers from the construction site, e.g. through means of sexual harassment.
Citation - WoS: 46
Citation - Scopus: 52
Corrosion behavior of mild steel in 1 M HCl with Cyclotrichium niveum as a green inhibitor
(Elsevier, 2024) Yıldız, Reşit; Arslanhan, Selim; Döner, Ali; Baran, Mehmet Fırat
Recently, green inhibitors are replacing classical inhibitors in the acid cleaning industry due to very low cost, environmentally friendly and none toxic. In this study, Cyclotrichium niveum is used as a potential green corrosion inhibitor to investigate the corrosion behavior of mild steel (MS) in chloride solution using electrochemical, morphological, structural and quantum chemical methods. Fifty-three flavonoids are detected in methanol extract of cyclotrichium niveum by LC/ESI-MS/MS. While icorr values decreased, Rp and inhibition efficiencies values derived from electrochemical impedance spectroscopy (EIS) and linear polarization resistance (LPR) increased in increasing inhibitor concentrations. Maximum inhibition efficiency is found to be 97.3%, that is the almost highest value, when compared to previous studies and plant extract is classified as a mixed type inhibitor with respect to the potentiodynamic polarization (PDP). The model that best fits the experimental values is the Langmuir isotherm. The temperature effect is also studied in the range of 25–55 ○C. Higher activation energy is obtained in the presence of inhibitor, suggesting that it acts as an efficient inhibitor by forming a physical barrier to the charge and mass transfer reaction, leading to reduction in corrosion rate. Scanning electron and atomic force microscopies showed the more uniform, crack and pits free structure, confirming that there is a protective film over the MS surface for inhibited solution. XPS analysis showed the existence of C, O, and Fe atoms on the MS surface. Quantum chemical calculation manifested the adsorption mechanism associated with the electronic structure of the molecules. The findings of this work can be applicable in chemical cleaning process with acid treatment.
Citation - Scopus: 10
Determinants and implications of travel motivations: international travellers visiting Cappadocia
(International Journal of Tourism Cities, 2021) Seyitoğlu, Faruk; Davras, Özgür
Purpose: This paper aims to explore the determinants and implications of travel motivations of international tourists visiting the Cappadocia destination. Design/methodology/approach: The quantitative research method focusing on numerical data was used to test the proposed hypotheses, and the survey technique has been used to collect data. The research participants consisted of 363 international tourists visiting the Cappadocia region/Turkey and spending at least one night there. Confirmatory factor analysis was performed using the AMOS 22 package program to ensure the scales’ construct validity. Then, the structural equation model was established to test the study’s hypothesis, and these hypotheses were tested with the help of path analysis. Findings: As determinants of travel motivations, while electronic word of mouth (eWOM) has a positive effect on travel motivation dimensions, the impact of travel risk perception is negative. Moreover, from the dimensions of travel motivations, novelty/learning and socialization positively affect destination loyalty. However, the influences of escape and relaxation and self-development are meaningless. Besides that, travel risk perception strongly impacts eWOM. Practical implications: Destination managers and practitioners must maintain a higher level of tourist motivation and reduce tourists’ travel risk perception levels to improve destination competitiveness by constituting a more loyal customer profile. Moreover, eWOM platforms should be used efficiently. Originality/value: This study points to a functional multidimensional model that contributes to the literature and guides destination managers and practitioners. The proposed framework of determinants and consequences of tourists’ travel motivation can also be applied in other service contexts. © 2021, International Tourism Studies Association.
Citation - WoS: 1
Citation - Scopus: 2
Determinants of the economic adaptation of refugees: the case of Midyat Camp
(2021) Aljasem, Abdulnaser; Abedtalas, Musallam; Lokman Toprak, Wissam Aldien Aloklah, Abdulhamid Alawak, Şehmus Aykol
In the context of the bottom-up approach to development and poverty reduction, this is the first study to use the Sustainable Livelihood Approach (SLA), with a slight adjustment, to study the economic adaptation of refugees within camps. The object- ive of this study was to explore the factors affecting the economic adaptation of refugees in Midyat Refugee Camp in Turkey. The study used a focus group to help design the questionnaire that was subsequently used to collect data from a sample of 393 households in Midyat Camp. The data was used to estimate a Structural Equations Model. The findings indicated that the most important factors in deter- mining refugees’ economic adaptation are human capital, social capital and institutions.
Citation - WoS: 1
Determination of Women Voting Behavior: a Machine Learning Approach in the Turkish Political Arena
(Hipatia Press, 2020) Caha, Havva; Bayyurt, Nizamettin
Justice and Development Party (AKP) has been the ruling and biggest party in Turkey (AKP) since it has been established in 2002 and Republican People's Party (CHP) has been the main opposition party (CHP) since then. These two parties receive about 75% of all the votes. In Turkey half of the voters are females. In this study, the important attributes of women in party selection decisions are analyzed. To our knowledge, there is no such a study focusing on women's party preferences in Turkey. Additionally, this is one of the very few studies in Turkey concerning voters' party preferences. Therefore, this study aims to fill this gap in the literature. Center-periphery and social mobility theories are the two main theories explaining Turkish political life. The analyzed ideological, cultural, religious, social, economic and demographic characteristics of women supporters are selected according to these theories. Machine-learning techniques are employed as predictive tools. Results show that ideological attitudes like being leftist-rightist and religious values like headscarf, fasting in Ramadan, and praying are the most important effective attributes on party selection of women. However, socio-economic, cultural, educational and demographic atributes are not effective on party selection of women in Turkey.
Citation - WoS: 25
Citation - Scopus: 39
Developing an Integrated VR Infrastructure in Architectural Design Education
(Frontiers in Robotics and AI, 2020) Aydin, Serdar; Aktaş, Begüm
With the advent of computer technology, Virtual Reality (VR) became an integral part of design studios in architecture education. Researchers have been exploring how VR-enhanced design studios can be assessed from a student-centered perspective. This paper illustrates the role of teaching architectural design for developing a novel and contextual curriculum based on an analysis of student feedback. The background focuses on the development of VR-based architectural design education. The methodology frames two digital design ecosystems which are experimented in four undergraduate courses. With an ecosystem-based approach discussed in this paper, a medium-oriented and a content-oriented curriculum are offered for testing students’ reaction to teaching design in VR. In both ecosystems, students are engaged with advanced digital design methods and techniques, which include 3D form-finding, building information modeling, visual programming, coding, and real-time rendering. The study screens the usage of software solutions for the creation of complex virtual environments, covering Blender, Rhinoceros, Unity, Grasshopper, and Revit. The implementation of a User Experience Questionnaire (UEQ) comparatively demonstrates the performative qualities of both digital design ecosystems. Results indicate that the intensity of interaction varied in two incomparable, but connate, levels of qualities. The findings suggest that the perspicuity aspects of student interaction bare the risk of “complicated” and “confusing” software. The results further demonstrate a conflict between task-related qualities and non-task related qualities. Additionally, interacting with VR tools in architecture design education is found attractive, stimulating, and original despite low scores on the pragmatic qualities of perspicuity, efficiency, and dependability. The data and results obtained from this study give insight into the planning of design studios in architecture education based on the use of VR and digital methods. Therefore, this study contributes to future research in the contextualization of the design teaching efforts.

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