379 research outputs found
Review “Human Rights in the Face of Social Realities”
No full textThe book ‘Human Rights in the Face of Social Realities’ offers a varied overview of
topics of great topicality and relevance to contemporary society. Each article presents an
in-depth look at crucial issues, approached from different but complementary disciplinary
perspectives. This collection of writings stands out for its ability to range between law,
economics, neuroethics, pedagogy and social issues, highlighting how these areas are
closely interconnected in the modern world
Electronic structure and magnetic properties of PbMO3 (M = Fe, Co, Ni) magnetic perovskites: An ab initio study
No full textGokoglu, Gokhan/0000-0002-2456-6397; Erkisi, Aytac/0000-0001-7995-7590We present the electronic, magnetic and structural properties of the magnetic transition metal oxides PbMO3 (M= Fe, Co, Ni) in cubic perovskite structure. The calculations are based on the density functional theory (DFT) within plane-wave pseudopotential method and local spin density approximation (LSDA) of the exchange-correlation functional. Onsite Coulomb interaction is also included in calculations (LSDA + U). The systems are considered in ferromagnetic (FM) and G-type antiferromagnetic (G-AFM) order. FM structures are energetically more favored than G-AFM and than non-magnetic states for all the systems studied. The spin-polarized electronic band structures show that all the structures have metallic property in FM order without Hubbard-U interaction (U-eff = 0). However, the inclusion of on-site Coulomb interaction (U-eff = 7 eV) opens a semiconducting gap for majority spin channel of PbFeO3 and of PbNiO3 resulting in a half-metallic character. PbCoO3 system remains as metallic with LSDA + U scheme. Bonding features of all structures are largely determined by the hybridizations between O-p and d-states of transition metal atoms. The partial magnetic moment of Fe atom in PbFeO3 is enhanced by inclusion of Hubbard-U interaction (2.55 mu B double right arrow 3.78 mu B). Total magnetic moments of half-metallic PbFeO3 and of PbNiO3 compounds are very close to integer values.TUBITAK (The Scientific & Technological Research Council of Turkey) through TR-Grid e-Infrastructure ProjectTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK)This research was supported in part by TUBITAK (The Scientific & Technological Research Council of Turkey) through TR-Grid e-Infrastructure Project, part of the calculations have been carried out at ULAKB. I M Computer Center
Shifting to digital: adoption and diffusion
No full textGOGUS, AYTAC/0000-0001-8215-3294This paper is in response to the manuscript entitled "Improving teacher professional development for online and blended learning: a systematic meta-aggregative review" written by Philipsen et al. (Improving teacher professional development for online and blended learning: A systematic meta-aggregative review. Educational Technology Research and Development, 67, 1145-1174. , 2019) from adoption and diffusion of innovation perspectives. In order to fully realize the potential of online and blended learning (OBL), the article presents a framework with six interrelated components of teacher professional development (TPD) that include (1) designing and developing a supportive TPD programme, (2) acknowledging the existing context regarding OBL, (3) addressing teacher change associated with the transition to OBL, (4) determining the overall goals and relevance of TPD for OBL, (5) acknowledging teacher professional development strategies associated with the transition to OBL, and (6) disseminating knowledge, skills, and attitudes about OBL and evaluating the TPD. The study logic is constructed on offering courses online and blended can be seen as a new way of orchestrating teaching and learning and therefore well designed and implemented TPD programs for OBL should contribute to teachers' adoption and diffusion of the innovation in institutions. Targeted article Philipsen, B., Tondeur, J., Pareja Roblin, N. et al. Improving teacher professional development for online and blended learning: a systematic meta-aggregative review. Education Tech Research Dev 67, 1145-1174 (2019). Selected perspective Adoption and Diffusion
A new species of Noccaea (Brassicaceae) from South Anatolia, Turkey
No full textNoccaea camlikensis sp. nov. (Brassicaceae) is described and illustrated from a localized serpentine range in southern Turkey. Its close relationship to N. cariensis, from which it differs in leaf and carpological characters, is discussed. The protologue of this fairly unknown species can now be amended to cover better the morphological variability of this taxon. A comparative study of seed-coat anatomy advocates its move from Thlaspi to Noccaea; the relevant combination N. cariensis (Carlstrom) Parolly, Nordt & Aytac is made. The ecology of both vicarious species is discussed and their distribution mapped. (c) 2006 The Linnean Society of London, Botanical Journal of the Linnean Society, 2006, 150, 409-416
A Novel Genetic Algorithm Selection Method and Implementation in IoT Domain
No full textIn Internet of Things (IoT) domain, there are many NP-hard problems that are required to be solved efficiently by some meta-heuristic algorithms such as genetic algorithm. There are many genetic algorithm selection methods which aim to find the optimal chromosome by populating and varying them by some mutation and cross-over methodologies. Most of these algorithms process all of the genes of chromosomes into fitness function to decide whether to pass them to new generation or to apply some genetic operations or to abandon them. If chromosomes are ultimately long or fitness functions are difficult to compute, it will have a great overhead and will consume so much time. In this paper, a novel genetic algorithm selection method is proposed and promises some intelligence to keep these processes short and efficient by taking some remarkable risks. It is based on analogy of a football league with multiple groups and it uses the idea of partially processing the chromosome genes after adopting a decision mechanism based on Bayesian game theory. We implement the proposed selection algorithm to solve a complex problem in IoT domain and illustrate its performance compared to other generic selection methods. © 2019 FRUCT
Length-weight relationships of 26 fish species caught by longline from the Gallipoli peninsula, Turkey (northern Aegean Sea)
No full textLength-weight relationship parameters were presented for 26 fish species from the Gallipoli peninsula, Turkey. Samples were caught in depths between 0-400 m by longline between January 2012 and January 2013. The sample sizes, minimum and maximum lengths and weights, length-weight relationships, SE (b), R-2 and growth type were summarized. The values of the exponent b in the length-weight relationship W = aL(b) ranged from 2.522 to 3.336 and the median value was 2.899 (+/- SE = 0.043).Ministry of Food, Agriculture and Livestock [TAGEM11-ARGE/16]The present study was carried out with the financial support of Ministry of Food, Agriculture and Livestock (Project No: TAGEM11-ARGE/16). The author thanks, Ozgur CENGIZ, Aytac ALTIN, hakan AYYILDIZ and Cahit CEVIZ for their help in the sampling
Bolanthus turcicus (Caryophyllaceae), a new species from Turkey
No full textA new species Bolanthus turcicus Koc \& Hamzaoglu, sp. nov. was
discovered on Hasan Mountain (Turkey, Aksaray province) where it grows
on volcanic stony slopes and alpine steppe. its description, images,
chorology and ecology, and threat category are provided in this article.
It was compared with a closely related species, Bolanthus minuartioides
(Jaub. \& Spach) Hub.-Mor., B. huber-morathii C. Simon, B.
spergulifolius (Jaub. \& Spach) Hub.-Mor., B. frankenioides (Boiss)
Bark., B. mevlanae Aytac based on its general morphology and seed
micromorphology
Is it love? The mediating role of traditional motherhood between maternal warmth and maternal gatekeeping
No full text© 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.The aim of the current study is twofold: (a) to examine the relationship between maternal warmth (i.e., mother’s warmth towards her child) and maternal gate closing (i.e., maternal behaviors and attitudes that may limit father involvement in childrearing) through the mediating role of traditional motherhood, and (b) to identify cultural aspects of maternal gate closing by considering family work standards in Turkish middle-class families. A mixed-method design was employed. Two hundred Turkish women (Mage = 33.04) participated in online surveys (N = 200), and ten women (N = 10) participated in focus groups. Participants completed a demographic information form and three inventories. The SPSS macro PROCESS with Model 4 was run to test the hypothesis that the relationship between maternal warmth and maternal gate closing is mediated by traditional motherhood in survey data. Results revealed that maternal warmth significantly and positively predicted traditional motherhood (B =.45, SE =.094, p <.001, 95% CI = [.27,.64]), which in turn significantly and positively predicted maternal gate closing (B =.09, SE =.02, p <.01, 95% CI = [.04,.14]). The indirect association between maternal warmth and maternal gate closing was significant in positive direction (B =.0420, boot SE =.0023, 95% CI = [.02,.07]). Focus group results revealed that childrearing tasks were predominantly performed by mothers who want to be first person responsible for these tasks since fathers were perceived as unskillful or withdrawn. The results highlight the importance of determinants of maternal gate closing for intervention programs targeting coparenting and involvement of fathers in the prenatal and postpartum periods
Nonradioactive Vitamin B-12 Absorption Test Evaluated In Controls And In Patients With Inherited Malabsorption Of Vitamin B-12
No full textBackground: Current tests for evaluation of vitamin B-12 absorption are problematic because they involve the use of radioactively labeled vitamin B-12. We describe a vitamin B-12 absorption test that circumvents this problem. Methods: We measured cobalamin or transcobalamin saturated with cobalamin (holo-TC) 24 h after three 9-mu g doses of vitamin B-12 given orally at 6-h intervals., We studied 17 patients with inherited malabsorption of vitamin B-12 attributable to Imerslund-Grasbeck syndrome (n = 13) or intrinsic factor deficiency (n = 4), their obligate, heterozygous biological parents (n = 19), and healthy controls (n = 44). Results: In the patients, the median (range) change of holo-TC after the B12 load was not significant [1 (-42 to 5) pmol/L], nor was the change of cobalamin [-3 (-32 to 22) pmol/L], consistent with a lack of measurable active or passive absorption. In controls, however, the median (range) increases of holo-TC and cobalamin were 26 (-6 to 63) pmol/L and 41 (-37 to 109) pmol/L, respectively. Similarly, the parents showed increases of 23 (-2 to 47) pmol/L and 27 (-15 to 94) pmol/L. The mean areas under the ROC curves (95% confidence intervals) were 0.97 (0.93-1.0) for holo-TC and 0.87 (0.79-0.94) for cobalamin, distinguishing patients from controls. At a cutoff of 6 pmol/L for holo-TC, the diagnostic sensitivity (95% confidence interval) was 100 (81-100)%, and the diagnostic specificity was 92 (82-97)%. Conclusion: Measurement of holo-TC after administration of vitamin B-12 is a promising approach for evaluating vitamin B-12 absorption. (c) 2005 American Association for Clinical Chemistry.WoSScopu
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