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Bulunan: 6 Adet 0.000 sn
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Filtreler
Filtreler
Bulunan: 6 Adet 0.000 sn
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Erişime Açık

A novel sensitive Cu(II) and Cd(II) nanosensor platform: Graphene oxide terminated p-aminophenyl modified glassy carbon surface

Ali Osman SOLAK

Graphene oxide (GO) based glassy carbon (GC) electrode has been prepared. Firstly, p-nitrophenyl (NP) modified GC (NP/GC) electrode was prepared via the electrochemical reduction of its tetraflouroborate diazonium salt. After the formation of NP/GC electrode, the negative potential was applied to NP/GC electrode to reduce the nitro groups to amine. p-Aminophenyl (AP) modified GC (AP/GC) electrode was immersed into a graphene oxide solution containing 1-ethyl-3(3-(dimethlyamino)propyl)-carbodiimide. Hence, we constructed GO terminated AP modified GC (GO/AP/GC) electrode. NP/GC, AP/GC and GO/AP/ ...Daha fazlası

Erişime Açık

The Problem of Terrorism in Central Asia and Countering Terrorist Activities in Kyrgyzstan

Bakıt BORKOYEV

This article discusses the sources and characteristics of terrorism in Central Asia, particularly in Kyrgyzstan as well as the scope and effectiveness of counter-terrorism measures in the region. The article analyzes the threats to regional security, nature of radicalism, reasons of population's involvement in radical politics and the impact of Afghanistan on the problem of terrorism in the region. The article also focuses on the phenomenon of terrorism in Kyrgyzstan by identifying its main causes, such as weak political institutions, the crisis of ideology in the post-Soviet era and Kyrgyzsta ...Daha fazlası

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Impact of Afghanistan on the Security of Kyrgyzstan

Camgırbek BÖKÖŞOV

This paper explores the impact of the security problems of Afghanistan on Kyrgyzstan's current national security situation. Afghanistan's main channels of indirect influence are the narcotics trafficking and the infiltration of the international terrorist groups into the territory of the Kyrgyz Republic. Besides, the “Afghan crisis” has a direct impact on the national security of Kyrgyz Republic. The identification and assessment of Afghanistan's influence on the security situation in Kyrgyzstan necessitates an analysis of the social, political, geopolitical, economic and ideological aspects o ...Daha fazlası

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The Great Powers in Central Asia: Policies of the US and Russia

Zakir ÇOTAYEV

This paper seeks to examine the foreign policies of the United States and Russia towards Central Asia. The paper also aims at exploring the competition between the two countries and its consequences for the Central Asian states. The main argument of the paper is that despite the fact that the active involvement of the United States and Russia in the Central Asian security produces positive effects for the Central Asian countries, the worsening of their bilateral relations increases their regional competition and undermines political stability in Central Asia. In the aftermath of 9/11, the Unit ...Daha fazlası

Erişime Açık

The Impact of Self-efficacy Perception on Reading Comprehension on Academic Achievement

Kadir YOĞURTÇU

Reading comprehension requires the conscious and cognitive efforts of individual. In this regard, an individual should set up concern on what they read and previous information they have according to reading purposes. As a result of this cognitive effort one can restructure the intellectual development. As well there are interesting approaches improved by combining of the high-level cognitive functions such as interpretation and synthesis with social interactions in the aspect of reading comprehension. The self-efficacy beliefs scale developed by Bandura was adapted to the pedagogy field and a ...Daha fazlası

Erişime Açık

Cadmium-induced physiological and genotoxic alterations in Bryophyllum daigremontianum

Zeki SEVEROĞLU

When evaluating the negative impacts of heavy metals in the environment, plants can be used as biological indicators in assessing damage done by bio-accumulation of heavy metals. For detecting the genotoxic effects of heavy metals, the RAPD-PCR technique is applied in plants. In this study, Blyophyllum daigremontianum was used as a bio-indicator for Cadmium (Cd) pollution. B. daigremontianum plantlets were obtained from bulbiliferous spurs. They were grown singly in standard pots and each of the experimental groups of 5 replicates were watered daily with Hoagland solution (20 ml) containing 0, ...Daha fazlası

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