• Amended diagnosis and description of a new species of the genus troglophonte Huys & Lee, 2000 (Copepoda, Harpacticoida, Laophontidae) 

  Kabaca, Alper; Sak, Serdar (ABADER (Adıyaman Bilimsel Araştırmalar Derneği), 2023)

  A new species of the monotypic genus Troglophonte Huys & Lee, 2000 (Harpacticoida, Laophontidae) was discovered among the interstitial samples collected from the Kumada Coast in the Sea of Marmara. The new species can be ...

• A physical pendulum experiment with Lego, Phyphox and Tracker 

  Çoramık, Mustafa; İnanç, Buket (IOP, 2023)

  In this study, a physical pendulum experiment, which is one of the basic experiments at the high school level, was carried out using Lego bricks and smartphones (Phyphox application) that students are familiar with in their ...

• African mountain thistles: Three new genera in the carduus-cirsium group 

  Moreyra, Lucia D.; Garcia-Jacas, Nuria; Roquet, Cristina; Ackerfield, Jennifer R.; Arabacı, Turan; Blanco-Gavalda, Carme; Brochmann, Christian; Calleja, Juan Antonio; Dirmenci, Tuncay (MDPI, 2023)

  The floras on the highest mountains in tropical eastern Africa are among the most unique floras in the world. Despite the exceptionally high concentration of endemic species, these floras remain understudied from an ...

• East Asian-North American disjunctions and phylogenetic relationships within subtribe Nepetinae (Lamiaceae) 

  Rose, Jeffrey P.; Wiese, Joshua; Pauley, Nicole; Dirmenci, Tuncay; Celep, Ferhat; Xiang, Chun-Lei; Drew, Bryan T. (Academic Press Inc Elsevier Science, 2023)

  Biogeographic disjunctions, including intercontinental disjunctions, are frequent across plant lineages and have been of considerable interest to biologists for centuries. Their study has been reinvigorated by molecular ...

• Quantification of main secondary metabolites of Satureja icarica P.H. Davis (Lamiaceae) by LC-HRMS and evaluation of antioxidant capacities 

  Kınoğlu, Betül Kiraz; Dirmenci, Tuncay; Alwasel, Saleh H.; Gülçin, İlhami; Gören, Ahmet C. (ACG Publications, 2023)

  In this study, we determined antioxidant activity of Satureja icarica (Lamiaceae) which is used as a spice by the local population against 1,1-diphenyl-2-picryl-hydrazyl (DPPH·), N,N-dimethyl-p-phenylenediamine radicals ...

• Chemical profile of the Anatolian Sideritis species with bioactivity studies 

  Çarıkçı, Sema; Kılıç, Turgut; Gören, Ahmet C.; Dirmenci, Tuncay; Toraman, Gülbahar Özge Alim; Topçu, Gülaçtı (Taylor & Francis Ltd, 2023)

  Context: The genus Sideritis L. (Lamiaceae) is represented by 46 species in Turkey with an 79% endemism ratio, 42 of 46 belonging to the section Empodoclia. Objective: In this review article, Sideritis species growing ...

• Examining experienced chemistry teachers’ perception and usage of virtual labs in chemistry classes: A qualitative study using the technology acceptance model 3 

  Yazıcı, Senem Çolak; Nakiboğlu, Canan (Springer, 2023)

  Guided by the Technology Acceptance Model 3 (TAM-3), this study concerning VL focuses to examine chemistry teachers’ experiences, perceived ease of use, perceived usefulness, use intentions, actual use, and factors that ...

• Revision of the genus Nepeta L. (Lamiaceae) in Iraq 

  Dirmenci, Tuncay; Haloob, Ali; Celep, Ferhat; Ghazanfar, Shahina A. (Tubitak Scientific & Technological Research Council Turkey, 2023)

  This paper revises the genus Nepeta for the family Lamiaceae for the Flora of Iraq project. We describe a new species, Nepeta iraqensis, and four new records Nepeta congesta subsp. cryptantha, N. stricta, N. lamiifolia and ...

• Contributions to Ziziphora clinopodioides (Lamiaceae) in Turkey and Iraq 

  Dirmenci, Tuncay; Haloob, Ali; Celep, Ferhat; Ghazanfar, Shahina A. (Magnolia Press, 2023)

  While revising the genus Ziziphora for the Flora of Iraq and Turkey, we recognise seven subspecies for Z. clinopodioides. An identification key to these subspecific taxa is presented. A new subspecies, Z. clinopodioides ...

• A new annual Satureja (Lamiaceae) species from Turkey with molecular evidence, and lectotypification of two species 

  Duman, Hayri; Dirmenci, Tuncay; Özcan, Taner (Tubitak Scientific & Technological Research Council Turkey, 2023)

  A new species, Satureja hasturkii, is described using morphological characters and molecular studies in this study. The new species is closely related to S. hortensis but differs from it by very lax thyrsoid inflorescence, ...

• Gamified learning: Assessing the influence of leaderboards on online formative quizzes in a computer programming course 

  Çiğdem, Harun; Korkusuz, Mehmet Emin; Karaçaltı, Caner (Wiley, 2023)

  This quasi-experimental study investigates the impact of gamification on learning outcomes and course engagement in the computer programming course, a mandatory course in the Electronics and Communication Technology and ...

• Continued fractions related to a group of linear fractional transformations 

  Demir, Bilal (Walter De Gruyter GMBH, 2023)

  There are strong relations between the theory of continued fractions and groups of linear fractional transformations. We consider the group G 3,3 generated by the linear fractional transformations a=1-1/z and b = z + 2 ...

• Some approximation theorems in weighted Smirnov-Orlicz spaces 

  Avşar, Ahmet Hamdi; Yıldırır, Yunus Emre (Institute of Mathematics and Mechanics, National Academy of Sciences of Azerbaijan, 2023)

  In this study, we investigate the degree of approximation of matrix transforms obtained by Faber series and prove some approximation theorems in weighted Smirnov-Orlicz spaces.

• A new RMF stirrer using AISI4140 mild steel: Energy optimization application 

  Çıtak, Hakan; Bıçakçı, Sabri; Çoramık, Mustafa; Güneş, Hüseyin; Ege, Yavuz (SCIENDO, 2023)

  This study examines the development of a novel FPGA-based RMF stirrer system. The system has been designed as a 3-phase system, with each phase being fed by PWM voltage with a phase difference of 120 degrees. In case the ...

• Discontinuity detection system in marble: Analysis of the time-frequency characteristics of ultrasonic p-waves 

  Bıçakçı, Sabri; Çıtak, Hakan; Güneş, Hüseyin; Çoramık, Mustafa; Aydın, Yasin; Ege, Yavuz (Amer Soc Testing Materials, 2023)

  This study attempted to determine both the presence and the appearance of the surface of a crack artificially created in a marble block without axial loading or compression by FFT analysis of ultrasonic longitudinal sound ...

• Determining the effect of velocity on sensor selection and position in non-destructive testing with magnetic flux leakage method: a pipe inspection gauge design study with Ansys Maxwell 

  Çoramık, Mustafa; Çıtak, Hakan; Ege, Yavuz; Bıçakçı, Sabri; Güneş, Hüseyin (IEEE- Inst Electrical Electronics Engineers Inc, 2023)

  The magnetic flux leakage (MFL) method, which is among the non-destructive testing (NDT) methods, is frequently used in the determination of discontinuity in ferromagnetic materials. The method focuses on the detection of ...

• Trends in postgraduate thesis studies on pedagogical content knowledge in mathematics education in Turkey: A systematic review 

  Övez, Filiz Tuba Dikkartın; Can, Semanur; Özdemir, Emine (Balıkesir Üniv. Necatibey Eğitim Fak., 2022)

  The aim of this study is to systematically review and assess the subliminal theses in Turkey which were subject to pedagogical know-how from the mathematical studies published in the national thesis center between 2016 ...

• Ortaokul öğrencilerinin gözünden bir TÜBİTAK 4004 projesi: Bilimleri birleştir, doğayı güzelleştir! 

  Topal, Özlem Karakoç (Doç.Dr. Ayşe Tekin Dede, 2022)

  Bu çalışmanın amacı bir TÜBİTAK 4004 projesine katılan öğrencilerin projenin geneli ve projede uygulanan etkinlikler ile ilgili görüşlerini incelemektir. Bu amaçla projenin gerçekleştiği şehrin farklı bölgelerinden katılan ...

• İlkokul öğrencilerinin beslenme çantası içeriklerinin farklı değişkenler açısından incelenmesi 

  İçingir, İlke Kösedağ; Bedizel, Nazlı Ruya Taşkın; Cabbar, Burcu Güngör; Özgür, Sami (Gazi Eğitim Fakültesi, 2022)

  Toplumun geleceği olan çocukların yeme davranışlarının ve bu davranışları etkileyen çeşitli ailesel faktörlerin belirlenmesi yetersiz ve dengesiz beslenme alışkanlıklarının önüne geçilmesi açısından önemlidir. Bu ...

• Analysis of studies that were carried out using chemistry textbooks: A meta-synthesis study 

  Dolu, Gamze (Bursa Uludağ Üniversitesi Eğitim Fakültesi, 2022)

  This is a meta-synthesis of studies that used chemistry textbooks approved by the Ministry of National Education (MoNE). The study was carried out using the document review method, one of the qualitative research ...

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