47 research outputs found

    Life is short, stay awake: death anxiety and bedtime procrastination

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    In the present study, the relation between bedtime procrastination and death anxiety, and also the moderator roles of gender and purpose in life were investigated. Data were collected from 245 participants through an online survey. The results revealed that gender, but not purpose in life, moderated the relation between death anxiety and bedtime procrastination. The effect of death anxiety on bedtime procrastination was significant only for males. Further, this effect was still significant even after controlling circadian energy and self-control. The findings can be explained based on the Terror Management Theory. Bedtime procrastination can be considered risk-taking behavior, and it functions as a world view for males. Moreover, males might have regarded sleep as a waste of time, and therefore, delayed bedtime to increase their nonsleeping lifetime

    A biosensor for the determination of high density lipoprotein cholesterol employing combined surfactant-derived selectivity and sensitivity enhancements

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    High density lipoprotein cholesterol (HDL-C) is a modifiable risk factor in cardiovascular disease and devices suitable for its determination at the point of care are critical to the future management of hypercholesterolaemia. An electrochemical biosensor for measuring HDL-C was developed. The biosensor was based on a homogeneous assay methodology for selective determination of HDL-C in combination with a printed electrochemical sensor for measuring the reduction of hydrogen peroxide at a silver paste electrode. The polyoxyethylene alkylene tribenzylphenyl ether surfactant (Emulgen B-66) was found to be capable of both the selective dissolution of HDL particles, as well as the enhanced electrocatalytic reduction of hydrogen peroxide. The resulting biosensor was shown to have a linear response to HDL-C from 0.5 to 4 mM (r2=0.998) with an average r.s.d. of 7%. The biosensor was also used to analyse HDL-C in thirteen serum samples and had good agreement with a commercial spectrophotometric precipitation-based assay (r=0.7222; p < 0.058)

    Comparison of algorithmic and heuristic approaches in a computer-programming course in terms of their effect on archievement and attitudes

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    M.S. - Master of Scienc

    Identification of hydrogenase from rhodobacter species and hydrogen gas production in photobioreactors

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    Children’s affectionate and assertive attitudes towards their parents: the Oedipus complex or parent–offspring conflict?

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    © 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.Being one of Freud’s most famous contributions to psychoanalysis, the Oedipus complex is still a topic of heated interest. It has been disputed in many different disciplines ranging from anthropology to biology. This theoretical paper aimed to explain the phenomena that are represented by children’s affectionate and assertive attitudes towards their parents, named as the Oedipus complex by some, in terms of parent–offspring conflict, sibling competition, and infanticide. All of these evolutionary biological concepts or their combination could conceive specific relational settings similar to those emerging in the Oedipus complex. Psychoanalysis surely acknowledges the effects of parent–offspring conflict or sibling dynamics on familial relations and character formation. Nevertheless, they have been generally overshadowed by other primary theoretical concepts. Considering the findings from evolutionary biology and developmental psychology, it was asserted that parent–offspring conflict and sibling dynamics must be included in the conceptualization of oedipal-like behaviors. In light of these hypotheses, related literature and suggestions for further studies were discussed

    Gilgamesh: the first tragic man

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    Studying myths with psychoanalytic understanding is an attempt as old as psychoanalysis itself. Being the oldest written story, the Epic of Gilgamesh narrates the heroic journeys and the desperate search for the immortality of Sumerian semi-legendary king, Gilgamesh. In the present article, the main themes of the epic, comprising fellowship and fear of death, were analysed through self-psychological concepts of twinship selfobject needs and the transformations of narcissism. One of the major schools of psychoanalysis, self-psychology, investigates and understands human experiences from the perspective of selfobject experiences in which the psychological functions of selfobjects are utilized to preserve cohesiveness, vitality, and harmony of the self as extensively described by Heinz Kohut and other self-psychologists

    Investigation of stepping frequency of children doing sports according to age and gender

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    YÖK Tez ID: 635884Günümüzde çocuk gelişiminin ve eğitiminin yaşam boyu sağlıklı ve aktif bireylerin yetişmesi açısından önemi bu konuda yapılan birçok çalışma ile ortaya koyulmuştur. Çocuk gelişimin en önemli boyutlarından biri de motor gelişimdir. Bu araştırmanın amacı; çalışmada yer alan katılımcıların temel motor becerilerden olan adımlama frekanslarının yaşlarına ve cinsiyetlerine göre incelenmesi ve karşılaştırılmasıdır. Bu doğrultuda, nedensel karşılaştırma yönteminden yararlanılmıştır. Araştırmada yer alan katılımcılar Ankara'da yer alan üç spor okulundan seçilmiştir. Junior Academy Sports (JAS), Ankara Şehir Kulübü (ASA) ve M.T.A. Spor Kulübü'nde çoklu branş eğitimi alan 484'ü erkek 278'i ise kız 762 sporcu araştırma grubuna gönüllülük esası ile dahil edilmiştir. Araştırmada yer alan katılımcıların cinsiyet, yaş ve adımlama testi (OptoJump aracılığıyla) parametre verileri toplanmıştır. Araştırma kapsamında ulaşılan veriler, IBM SPSS 25,0 programı aracılığıyla analiz edilmiştir. Katılımcılara ait kişisel bilgiler, test ve parametrelerin ortalamaları, frekans (f) ve yüzde (%) değerleri tespit edilmiştir. Normal dağılım olmadığı için non-parametrik testler uygulanmış olup, ikili karşılaştırmalarda Mann Whitney U testi, çoklu karşılaştırmalarda Kruskal Wallis testi uygulanmıştır. Yapılan analizler sonucunda ulaşılan bulgular, %95 güven aralığında ve p<0.05 anlamlılık düzeyinde değerlendirilmiştir. Araştırmada elde edilen verilerin analizi incelendiğinde, cinsiyete göre birçok parametrede sol, sağ ve toplam adım ölçümlerinden istatistiksel olarak anlamlı fark olduğu ve farkın havada kalış süresi dışında erkeklerin lehine olduğu sonucuna varılmıştır. Yaşa göre ise hız parametresi dışında yaş gruplarına göre (6-12 yaş aralığı) istatistiksel olarak anlamlı fark olmadığı görülmüş olup, yaşın adımlama frekansında üzerinde etkili bir faktör olduğu sonucuna varılmıştır.Nowadays, the importance of child development and education in terms of raising healthy and active individuals throughout life has been demonstrated by many studies on this subject. One of the most important dimensions of child development is motor development. The purpose of this research; is to compare and compare the stepping frequencies, which are the basic motor skills, according to their age and gender. Accordingly, causal comparison method was used. Participants in the study were selected from three sports schools in Ankara. Junior Academy Sports, Ankara City Club and M.T.A. 484 male and 278 female 762 athletes who received multiple branches training at the Sports Club were included in the research group on a voluntary basis. Gender, age and stepping test (via OptoJump) parameter data of the participants in the study were collected. The data obtained within the scope of the research were analyzed through IBM SPSS 25.0 program.Personal information, averages of tests and parameters, frequency(f) and percentage(%) values of the participants were determined. Since there was no normal distribution, non-parametric tests were used, and Mann Whitney U test was used in binary comparisons and Kruskal Wallis test was used in multiple comparisons. The findings reached as a result of the analyzes were evaluated within the 95% confidence interval and p <0.05 significance level. When the analysis of the data obtained in the study was analyzed, it was found that there were statistically significant differences from left, right and total step measurements in many parameters according to gender. It was concluded that the difference was in favor of men other than the duration of stay in the air. In terms of age, it was observed that there was no statistically significant difference between age groups (6-12 age range) except for the speed parameter, and it was concluded that there was no effective factor on the stepping frequency of age

    Tereftalik asit bis-(tiyofen-3-ilmetil) tioesterin iletken kopolimerlerinin ve 1-(4-florofenil)-2,5-di(tiyofen-2-il)-1h-pirolün iletken polimerinin sentezi, karakterizasyonu, elektrokromik özellikleri.

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    Terephthalic acid bis-(thiophen-3-ylmethyl)thioester (TTMT) was synthesized via the reaction of thiophen-3-ylmethanethiol with terephthaloyl dichloride. Nuclear magnetic resonance (1H-NMR) and Fourier transform infrared (FTIR) spectroscopies were utilized for the characterization of the monomer. This 3-functionalized thiophene monomer was polymerized in the presence of thiophene (Th) and pyrrole (Py) upon constant potential application in acetonitrile/tetrabutylammonium tetrafluoroborate (TBAFB). The resulting copolymers were characterized via cyclic voltammetry (CV), FTIR, differential scanning calorimetry (DSC), scanning electron microscopy (SEM), four-probe technique conductivity measurement and UV-Vis spectroscopy. Spectroelectrochemical analysis of P(TTMT-co-Th) revealed π to π* transition at 476 nm with a band gap of 2.0 eV whereas, λmax and Eg were found as 375 nm and 2.4 eV for P(TTMT-co-Py), respectively. Dual type electrochromic devices (ECDs) of P(TTMT-co-Th) and P(TTMT-co-Py) with poly(3,4-ethylenedioxythiophene) (PEDOT) were constructed. Spectroelectrochemistry, switching ability, open circuit memory and stability of the devices were examined by UV-Vis spectroscopy and cyclic voltammetry. The device P(TTMT-co-Th)/PEDOT switches between brown and blue upon application of 0.0 V and +2.6 V, respectively with 11% optical contrast and 1.1 s as the switching time. On the other hand, P(TTMT-co-Py)/PEDOT ECD exhibits greenish yellow, grayish red and blue colors with the application of -2.4 V, 0.0 V and +0.8 V, respectively and the contrast between extreme potentials was 17.5% with a switching time of 1.6 s. 1-(4-Fluorophenyl)-2,5-di(thiophen-2-yl)-1H-pyrrole (FPTP) was synthesized and polymerized both chemically and electrochemically. Several analytical techniques, such as NMR, FTIR, CV, gel permeation chromatography (GPC), four-probe conductivity measurement, SEM were utilized when applicable. Spectroelectrochemistry experiments reflected a π to π* transition at 398 nm with a band gap energy of 1.94 eV for the polymer. A dual type electrochromic device (ECD) of PFPTP and poly(3,4-ethylenedioxythiophene) (PEDOT) was constructed. The device switches between yellowish brown and blue upon application of 0.8 V and +1.1 V, respectively. Optical contrast was calculated as 19.4% with a switching time of 1.4 s at maximum contrast point.M.S. - Master of Scienc

    Sağlık Çalışanlarının İş Sağlığı ve Güvenliği Açısından Tıbbi Atıklar Konusundaki Farkındalık Düzeyi

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    Sağlık sektörü, dünya genelinde ve özellikle Türkiye&apos;de hızla ilerleyen bir sektör olmuştur. Bu ilerlemeler, nüfusun artışıyla birlikte sağlık sektörünün de gelişmesine katkı sağlamıştır. Ancak, sağlık sektöründeki bu gelişmeler, tıbbi atıklarda artışa neden olmuştur, bu da sağlık çalışanları için, iş sağlığı ve güvenliği açısından sorunlarını da beraberinde getirmiştir. Bu çalışmada, tıbbi atıkların tanımı ve bu atıklara karşı sağlık çalışanlarının farkındalık düzeyi araştırılmıştır. İzmir ilinde kamu ve özel sektörde çalışmakta olan sağlık çalışanlarıyla yapılan anket çalışmalarıyla belirli sonuçlara ulaşılmıştır. Çalışmanın sonuçlarına göre, tıbbi atık yönetimi ve bu atıklara karşı farkındalık düzeyinin artması için gerekli eğitimlerin verilmesi gerektiği ortaya çıkmıştır. Ayrıca, hastane yönetimlerinin Tıbbi Atıkların Kontrolü Yönetmeliği doğrultusunda daha tedbirli davranmaları gerekmektedir. Sonuç olarak, sağlık sektöründeki gelişmelerle birlikte ortaya çıkan tıbbi atık sorununun çözümü için eğitimlerin artırılması ve yönetimlerin daha etkin bir şekilde tedbir alması gerekmektedir. Bu çabalar, sağlık çalışanlarının iş sağlığı ve güvenliği açısından daha sağlıklı bir ortamda çalışmalarını sağlayacaktır
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