49 research outputs found

    The genus Mesiotelus Simon, 1897 (Araneae: Liocranidae) in Turkey

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    Two spider species of the liocranid genus Mesiotelus Simon, 1897 new to the fauna of Turkey are recorded on the basis of female specimens: M. caucasicus Zamani et Marusik, 2021 from Hakkari Province in the Eastern Anatolia and M. deltshevi Naumova, 2020 from Diyarbakır Province in the Southeast Anatolia. The characteristic features are illustarted. In addition, M. scopensis Drensky, 1935 and M. tenuissimus (L. Koch, 1866), two other species found in Turkey, are illustrated. The distribution records of all of these species in Turkey are mapped. With these new records, the number of species belonging to the family Liocranidae in Turkey has increased to 18

    Authoritarian Neoliberalism and Democratic Backsliding in Turkey: Beyond the Narratives of Progress

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    Unpacking the core themes that are discussed in this collection, this article both offers a research agenda to re-analyse Turkey’s ‘authoritarian turn’ and mounts a methodological challenge to the conceptual frameworks that reinforce a strict analytical separation between the ‘economic’ and the ‘political’ factors. The paper problematises the temporal break in scholarly analyses of the AKP period and rejects the argument that the party’s methods of governance have shifted from an earlier ‘democratic’ model – defined by ‘hegemony’ – to an emergent ‘authoritarian’ one. In contrast, by retracing the mechanisms of the state-led reproduction of neoliberalism since 2003, the paper demonstrates that the party’s earlier ‘hegemonic’ activities were also shaped by authoritarian tendencies which manifested at various levels of governance

    Case of the disappearing subdural hygromas in a pediatric patient with acute lymphocytic leukemia

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    A Novel Modeling and Analysis of Fractional-Order COVID-19 Pandemic Having a Vaccination Strategy

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    5th International Conference of Mathematical Sciences, ICMS 2021 -- 23 June 2021 through 27 June 2021 -- 184127Recently, many illustrative studies have been performed on the mathematical modeling and analysis of COVID-19. Due to the uncertainty in the process of vaccination and its efficiency on the disease, there have not been taken enough studies into account yet. In this context, a mathematical model is developed to reveal the effects of vaccine treatment, which has been developed recently by several companies, on COVID-19 in this study. In the suggested model, as well as the vaccinated individuals, a five-dimensional ordinary differential equation system including the susceptible, infected, exposed and recovered population is constructed. This mentioned system is considered in the fractional order to investigate and point out more detailed analysis in the disease and its future prediction. Moreover, besides the positivity, existence and uniqueness of the solution, biologically feasible region are provided. The basic reproduction number, known as expected secondary infection which means that expected infection among the susceptible populations caused by this infection, is computed. In the numerical simulations, the parameter values taken from the literature and estimated are used to perform the solutions of the proposed model. In the numerical simulations, Adams-Bashforth algorithm which is a well-known numerical scheme is used to obtain the results. © 2022 American Institute of Physics Inc.. All rights reserved.Türkiye Bilimsel ve Teknolojik Araştırma Kurumu, TÜBİTAKThe authors were supported by TUBITAK (The Scientific and Technological Research Council of Turkey

    Mesiotelus scopensis Drensky 1935

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    <i>Mesiotelus scopensis</i> Drensky, 1935 <p>(Figs 12–16, 22)</p> <p> Elverici et al., 2013: 306, figs 6–11; Naumova, 2020:4, figs 4, 5; Zamani, Marusik, 2021: 560, fig. 5F–G; Zarikian et al., 2022: 109, fig. 5, as <i>Mesiotelus</i> cf. <i>scopensis</i>.</p> <p> <b>Material.</b> 1 <i>♀</i>, Turkey, Kahramanmaraş Prov., Onikişubat Distr., 37°51 <i>ʹ</i> 40 <i>ʺ</i> N / 36°38 <i>ʹ</i> 27 <i>ʺ</i> E, 900 m, 2.10.2020 (İ. Coşar, T. Danışman); 2 <i>♀</i>, Turkey, Kahramanmaraş Prov., Onikişubat Distr., 37°54 <i>ʹ</i> 28 <i>ʺ</i> N / 36°35 <i>ʹ</i> 47 <i>ʺ</i> E, 1083 m, 24.10.2020 (İ. Coşar, T. Danışman).</p> <p> <b>Brief redescription based on studied specimens.</b> Total length 5.3. Carapace length 2.1, width 1.7. Abdomen length 3.2, width 1.8. Ocular area length 0.55. Chelicera length 1, width 0.5. Sternum length 1.2, width 1 Leg formula IV, I, II, III. Legs: leg I 7.5 (2.1, 0.9, 2, 1.5, 1), leg II 6.4 (1.8, 0.8, 1.7, 1.3, 0.8), leg III 6 (1.6, 0.7, 1.4, 1.5, 0.8), leg IV 8.8 (2.3, 0.9, 2.2, 2.4, 1).</p> <p>Carapace light yellow, covered with small black hairs (Fig. 13). Clypeus narrow and light brown (Fig. 14). Chelicerae long, yellowish-brown, dorsally with long dark setae (Fig. 14). Sternum light yellow, without setae (Fig. 13). Labium and maxillae yellow (Fig. 13). Abdomen blackish, densely covered with long hairs (Fig. 13), ventrally light yellow and covered with small black hairs (Fig. 13). Legs light yellow and covered with light hairs (Figs 12, 13).</p> <p>Epigyne. Lateral margins of fovea concave, margins form an angle of approximately 70° between each other. Spermathecae separated by about half their diameter. Anterior hood (i.e. anterior pocket) prominent, about as wide as the interspermathecal distance (Figs 15, 16).</p> <p> <b>Distribution.</b> North Macedonia, Bulgaria, Greece, Turkey, Iran (?) [World Spider Catalog, 2022].</p>Published as part of <i>CoÅŸar, Ä°., Danışman, T. & Erdek, M., 2023, The genus Mesiotelus Simon, 1897 (Araneae: Liocranidae) in Turkey, pp. 9-13 in Caucasian Entomological Bulletin 19 (1)</i> on pages 11-12, DOI: 10.23885/181433262023191-913, <a href="http://zenodo.org/record/8145941">http://zenodo.org/record/8145941</a&gt

    Mesiotelus deltshevi Naumova 2020

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    Mesiotelus deltshevi Naumova, 2020 (Figs 6–11, 22) Naumova, 2020: 4, figs 2, 3. Material. 2 ♀, Turkey, Diyarbakır Prov., Hani District, 38°27 ʹ 25 ʺ N / 40°24 ʹ 39 ʺ E, 1018 m, under stone, 13.06.2018 (T. Danışman). Brief redescription based on studied specimens. Total length 4.6. Carapace length 1.8, width 1.5. Abdomen length 2.8, width 1.8. Ocular area length 0.6. Chelicera length 0.8, width 0.45. Sternum length 1.1, width 1 Leg formula IV, I, II, III. Legs: leg I 6.75 (1.9, 0.7, 1.9, 1.35, 0.9), leg II 5.4 (1.5, 0.65, 1.45, 1.1, 0.7), leg III 5.25 (1.05, 0.6, 1.45, 1.4, 0.75), leg IV 8.4 (2.25, 0.8, 2.15, 2.3, 0.9). Carapace light yellow (Fig. 8). Clypeus narrow, dark yellow (Fig. 11). Chelicerae long, light brown, dorsally with long dark setae (Fig. 11). Sternum light yellow, without setae and edges dark (Fig. 9). Labium and maxillae light yellow (Fig. 9). Abdomen grayish, densely covered with long hairs and pattern with a white stripe (Figs 8, 10), ventrally light yellow (Fig. 9). Legs dark yellow and covered with long light hairs (Figs 8, 9). Epigyne. Lateral margins of fovea straight, margins form an angle of approximately 50° between each other. Spermathecae almost contiguose. Anterior hood (i.e. anterior pocket) indistinct, about as wide as the interspermathecal distance (Figs 10, 11). Distribution. Albania [World Spider Catalog, 2022], Turkey.Published as part of CoÅŸar, Ä°., Danışman, T. & Erdek, M., 2023, The genus Mesiotelus Simon, 1897 (Araneae: Liocranidae) in Turkey, pp. 9-13 in Caucasian Entomological Bulletin 19 (1) on pages 10-11, DOI: 10.23885/181433262023191-913, http://zenodo.org/record/814594

    Mesiotelus tenuissimus

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    Mesiotelus tenuissimus (L. Koch, 1866) (Figs 17–21, 22) Mikhailov, Fet, 1986: 173, fig. 1; Kovblyuk et al., 2008: 19, figs 6–12; Bosmans et al., 2009: 35, figs 24–28; Bosmans, El-Hennawy, 2018: 101, figs 1, 2; El-Hennawy, 2022 a: 418, figs 2–5. Material. 1 ♀, Turkey, Kırıkkale Prov., Yahşihan District, 39°53 ʹ 13 ʺ N / 33°27 ʹ 00 ʺ E, 856 m, 5.02.2018 (T. Danışman). Brief description of studied specimen. Total length 5.1. Carapace length 1.9, width 1.6. Abdomen length 3.2, width 1.8. Ocular area length 0.55. Chelicera length 0.9, width 0.45. Sternum length 1.2, width 1 Leg formula IV, I, II, III. Legs: leg I 7.2 (2, 0.9, 1.9, 1.5, 0.9), leg II 6.3 (1.8, 0.7, 1.7, 1.3, 0.8), leg III 5.9 (1.6, 0.6, 1.4, 1.5, 0.8), leg IV 8.7 (2.3, 0.8, 2.2, 2.5, 0.9). Carapace light yellow, covered with small dark colour hairs and edges dark (Fig. 19). Clypeus narrow and dark yellow (Fig. 21). Chelicerae long, yellow, dorsally with long dark setae (Fig. 21). Sternum light yellow, without setae. Labium and maxillae dark yellow. Abdomen grayish, densely covered with long hairs, with white patterned (Fig. 20). Legs yellow, covered with light hairs (Fig. 19). Epigyne. Lateral margins of fovea horizontal, margins form an angle of approximately 180° between each other. Spermathecae separated from each other by their diameter. Anterior hood (i.e. anterior pocket) prominent, its width about half of interspermathecal space (Figs 17, 18). Distribution. North Africa,Europe, Turkey (Anatolia), Turkmenistan [World Spider Catalog, 2022].Published as part of CoÅŸar, Ä°., Danışman, T. & Erdek, M., 2023, The genus Mesiotelus Simon, 1897 (Araneae: Liocranidae) in Turkey, pp. 9-13 in Caucasian Entomological Bulletin 19 (1) on page 12, DOI: 10.23885/181433262023191-913, http://zenodo.org/record/814594

    Mesiotelus caucasicus Zamani et Marusik 2021

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    Mesiotelus caucasicus Zamani et Marusik, 2021 (Figs 1–5, 22) Zamani, Marusik, 2021: 560, figs 3, 4A–G, 5A–E. Material. 1 ♀, Turkey, Hakkari Prov., Bağışlı Village, 37°43 ʹ 48 ʺ N / 44°02 ʹ 53 ʺ E, 2022 m, pitfall trap, 4.06– 26.09.2020 (M. Erdek). Brief description of studied specimen. Total length 4.1. Carapace length 1.8, width 1.7. Abdomen length 2.3, width 1.4. Ocular area length 0.45. Chelicera length 1, width 0.95. Sternum length 0.8, width 0.4. Leg formula IV, I, II, III. Legs: leg I 6.5 (1.8, 0.7, 1.8, 1.3, 0.9), leg II 5.95 (1.65, 0.7, 1.55, 1.25, 0.8), leg III 5.4 (1.45, 0.6, 1.4, 1.3, 0.65), leg IV 7.8 (2.1, 0.7, 2., 2.1, 0.9). Carapace light yellow, darker anteriorly (Fig. 1). Clypeus narrow, dark yellow. Chelicerae long, light brown, with intense hairs near teeth (Fig. 3). Sternum light yellow, labium and maxillae light brown. Abdomen light yellowish-brown densely covered with long hairs (Fig. 2). Legs light yellow and covered with long thick black hairs (Fig. 1). Epigyne. Lateral margins of fovea straight, margins form an angle of approximately 60° between each other. Spermathecae almost contiguose. Anterior hood (i.e. anterior pocket) prominent, its width approximately twice the interspermathecal distance (Figs 4, 5). Distribution. Armenia, Azerbaijan, Iran [World Spider Catalog, 2022], Turkey.Published as part of CoÅŸar, Ä°., Danışman, T. & Erdek, M., 2023, The genus Mesiotelus Simon, 1897 (Araneae: Liocranidae) in Turkey, pp. 9-13 in Caucasian Entomological Bulletin 19 (1) on pages 9-10, DOI: 10.23885/181433262023191-913, http://zenodo.org/record/814594

    Investigation of the bactericidal effects of vancomycin and quinupristin/dalfopristin on Staphylococcus aureus isolates

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    The present study aimed to determine the correlation between the bactericidal activity of vancomycin and quinupristin/dalfopristin (Q/D) on Staphylococcus aureus isolates and their minimal inhibition concentrations. The in-vitro susceptibilities of the 99 S. aureus isolates to vancomycin and Q/D were investigated by agar dilution. Thirty methicillin-resistant S. aureus (MRSA) and 30 methicillin-susceptible S. aureus (MSSA) vancomycin and Q/D susceptible isolates were involved in time-kill studies. While both MRSA and MSSA isolates were susceptible to vancomycin, 96% of both isolates were determined as susceptible to Q/D. In the time-kill test, after 6 h of incubation vancomycin exhibited a bactericidal activity of 90% on MRSA and 100% on MSSA isolates. On the other hand, in the same incubation period Q/D was 47% and 93% bactericidal for MRSA and MSSA isolates, respectively. After 24 h of incubation, while vancomycin was bactericidal for all MRSA and MSSA isolates, Q/D exhibited a bactericidal activity of 93% on MRSA isolates and 97% on MSSA isolates
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