Meslek Yüksekokulları / Vocational Schools

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    Analysis of Factors Affecting the Capital Adequacy Ratio in the Turkish Banking Sector
    (Springer Science and Business Media B.V., 2022) KÖTEN, AYŞEGÜL BERRAK
    The banking sector performs financial intermediation transactions in accordance with its basic function. Factors such as the diversification of financial products and rapid change in technology cause changes in the structure of the banking sector while also revealing the different types of risks. With regard to bank risk and profitability management, it is vital that capital structures are at such a level as to meet the risks. The adequacy and strength of the capital structures in banks are the basic conditions for the functioning of the system and the establishment of trust. Keeping this ratio at certain levels and ensuring continuity in this value is very important for banks to work effectively and efficiently. The study aims to determine the long-term relationships of factors affecting the capital adequacy ratio (CAR) with the help of Westerlund and Edgerton (2007) LM Bootstrap panel cointegration test for commercial (deposit), development and investment and Islamic banking groups with the annual data for the 2010–2020 period in Turkish banking sector. As a result of the analysis of the three bank groups, it was determined that the total assets, liquidity adequacy ratio, and equity/total risk-weighted item ratios positively affected the capital adequacy ratio, and the market risk and nonperforming loan (NPL)/total cash loan ratios were statistically significantly affected. Furthermore, the coefficiency of the error correction term was negative and statistically significant, and the error correction mechanism was seen to be working. The most effective variable on capital adequacy was seen as the liquidity adequacy ratio. © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.
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    Exploring the Impact of Digitalized Learning and Teaching Systems on the Big Five Personality Traits
    (Springer Science and Business Media Deutschland GmbH, 2023) Arslan, Ezgi Yıldırım; Yıldırım, Osman; KAYNAŞ, TAYFUN; Atanasov, Koycho
    As information technologies develop, educational technology tools develop and differentiate in parallel. Effective and easily applicable technological learning methods have great effects on both learning styles and teaching styles and even transform them. Keeping in mind the contributions of learning technologies to the learning environment, this chapter aimed to examine the effects of flipped learning styles on students’ personality traits. For this purpose, research data were collected by applying a face-to-face survey to 362 higher education students who accepted voluntary participation, and the obtained data were evaluated and interpreted with the help of statistical analysis. According to the analysis findings, important relationships emerged between the sub-dimensions of the flipped learning sub-dimensions of a model known as the big five models. For example, a flexible environment was found to be explained by 12.9% of personality traits, conscientiousness, extraversion, and openness to experience dimensions. One aspect that unifies this research is that educators’ attention is drawn to the points where the development of information technologies forces them to go beyond the classical classroom face-to-face teaching methods.
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    Structural and Spectral Analysis of Anticancer Active Cyclo(Ala-His) Dipeptide
    (Taylor & Francis Inc., 2020) Çelik, Sefa; YILMAZ, GÖZDE; Özel, Ayşen E.; AKYÜZ, SEVİM
    The theoretically possible most stable conformation of the cyclic dipeptide, which has a significant anticancer activity, was examined by conformational analysis method and then by DFT calculations. With DFT calculations, cyclo(Ala-His) dipeptide was found to be more stable in boat form than in planar conformation. Moreover, conformations of the dimeric forms of the title molecule were investigated. The dimeric forms of the cyclo(Ala-His) dipeptide were created by combining two identical cyclo(Ala-His) monomers, in lowest energy configuration and as a result three energetically possible dimeric structures were obtained. The solid phase FTIR and Raman spectra of cyclo(Ala-His) have been recorded. The spectra were interpreted with the aid of quantum chemical calculations based on density functional theory, using B3LYP and wb97xd methods with 6-311++G(d,p) basis set, in order to elucidate structural and spectral properties of the investigated molecule. Experimental vibrational spectra are found to be in accord with the simulated vibrational spectra. The assignment of the vibrational modes was performed depending on the calculated potential energy distribution (PED).In slicomolecular docking of cyclo(Ala-His) was also carried out with DNA. The drug likeness and ADMET properties were analyzed for the prediction of pharmacokinetic profiles. The results revealed that the compound has the potential to be the leading molecule in the drug discovery process.