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Найденный: 17 Экземпляр 0.000 sn
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Fabrication of an Electrochemical E. coli Biosensor in Biowells Using Bimetallic Nanoparticle-Labelled Antibodies

Ali Osman SOLAK

An electrochemical biosensor was developed for the determination of Escherichia coli (E. coli) in water. For this purpose, silver-gold core-shell (Ag@Au) bioconjugates and anti-E. coli modified PS-microwells were designed in a sandwich-type format in order to obtain higher sensitivity and selectivity. Ag@Au bimetallic nanoparticles were synthesized by co-reduction method. The core-shell formation was analyzed by using UV-Vis spectroscopy and transmission electron microscopy. Biotin labeled anti-E. coli antibodies were coupled with Ag@Au nanoparticles to form bioconjugates. The electrochemical ...Более

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Checklist of Turkish Raphidioptera on the basis of distribution pattern and biogeographical analysis

Savaş CANBULAT

An updated checklist of the species of Turkish Raphidioptera and further analysis concerning their zoogeographical distribution are presented in this study. The present checklist has been based on studies from the literature and includes records from extensive material that I have identified over the last few years. The Turkish Raphidioptera presently comprises 40 species in 8 genera and 2 families. There are 38 species of Raphidiidae, while there are only 2 species of Inocelliidae in Turkey. Among these species, 19 species are recorded as endemic and the endemism rate is 47.5%. Distributions ...Более

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The usability of Juniperus virginiana L. as a biomonitor of heavy metal pollution in Bishkek City, Kyrgyzstan

Zeki SEVEROĞLU | İlhan DOĞAN | Gülbübü KURMANBEKOVA

Uncontrolled and unplanned urbanization and industrialization due to increase of population and rapid industrial development have created severe environmental problems in Kyrgyzstan during the last few decades. In this study, Juniperus virginiana, a dioecious species, was employed in order to make assessment of the heavy metal pollution rate in the area and of the heavy metal pollution impact on the mineral nutrient status of the plant. For this study, leaf (washed and unwashed) and bark samples of J. virginiana, and its co-located soil samples were collected from eight different stations, all ...Более

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Investigation of changes in chemical composition and rheological properties of Kyrgyz rice cultivars (Ozgon rice) depending on long-term stack-storage after harvesting

Camilya SMANALİYEVA | Kalıypa SALİYEVA | Bakıt BORKOYEV

The present work investigated the effect of long-term stack-storage after harvesting on selected chemical and rheological properties of Kyrgyz rice cultivars, Ozgon. The performance indicators of in stack-stored Ozgon rice samples after 4, 6, and 12 days was grain size, grain weight, color, moisture, total starch, amylose, protein, fat and ash contents, and mineral composition as well as the rheological properties of rice flour dough. The change of stored rice is caused by the organic modification of the starch structure, decreasing of moisture as well as proteolysis of proteins in the endospe ...Более

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Amino Acid and Fatty Acid Profile of the Mare's Milk Produced on Suusamyr Pastures of the Kyrgyz Republic During Lactation Period

Ayçürök MACİTOVA | Asılbek KULMIRZAYEV | Cıldızay ÖZBEKOVA | Aybek BODOŞOV

The high nutritional and health-promoting properties of kymyz, a traditional drink of nomads produced from mare's milk, are well-known and reported in literature. The composition of mare's milk is significantly different from that of cow and other ruminants. Fatty acid composition and amino acid profile of mare's milk produced at Suusamyr pastures of Kyrgyzstan were studied during four lactation months (May, June, July and August). The amino acid composition was determined by precolumn derivatization with diethyl ethoxymethylenemalonate (DEEMM) in high-performance liquid chromatography (HPLC) ...Более

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Phosphorus-nitrogen compounds: part 30. Syntheses and structural investigations, antimicrobial and cytotoxic activities and DNA interactions of vanillinato-substituted NN or NO spirocyclic monoferrocenyl cyclotriphosphazenes

Ali Osman SOLAK

The gradual Cl replacement reactions of NN (1–3) or NO spirocyclic monoferrocenyl cyclotriphosphazenes (4 and 5) with the potassium salt of 4-hydroxy-3-methoxybenzaldehyde (potassium vanillinate) resulted in the mono (1a–5a), geminal (gem-1b–5b), non-geminal (cis-5b and trans -1b–4b), tri (1c, 3c–5c) and tetra-vanillinato-substituted phosphazenes (1d–5d). All the phosphazene derivatives have stereogenic P-center(s), except tetra-substituted ones. The vanillinatophosphazenes have reversible voltammograms with one-electron anodic and cathodic peaks which are attributed to ferrocenyl redox probe. ...Более

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An Investigation of Preschool Teachers’ Recognition of Possible Child Abuse and Neglect in Izmir, Turkey

Sevinç Çırak KARADAG

Child abuse and neglect have a potentially deleterious impact on children’s physical, social, and psychological development. Preschool teachers may play a crucial role in the protection, early detection, and the intervention of child abuse and neglect, as they have the opportunity to establish a close contact with the families and to observe day-to-day changes in pupils’ behavior. The main purpose of this study is to investigate preschool teachers’ experiences and characteristics in relation to their awareness of possible child abuse and neglect signs. A questionnaire survey was designed and a ...Более

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Effect of different storage temperatures on the stability of bovine viral diarrhea virus RNA in blood samples

Orhan YAPICI

The present study was conducted to determine stability of Bovine viral diarrhea virus (BVDV) RNA stored at different temperatures. A total of 6 blood samples obtained from a private cattle farm, which were found to be antigen positive (Ag+) by direct ELISA method, were used in this study. BVDV Ag+ samples were stored separately at 4, 21 and 37oC for 1 month. The samples were analyzed on the 0, 1st, 2nd, 3rd and 4th weeks by ELISA for the presence of BVDV Ag and by RT-PCR for the presence of BVDV RNA. Stability of BVDV RNA was calculated using maximum concentration (Cmax) and area under the cur ...Более

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Fecal Ciliate Composition of Domestic Horses (Equus caballus Linnaeus, 1758) Living in Kyrgyzstan

Nurbek ALDAYAROV

Species composition and distribution of intestinal ciliates were investigated in the feces from 15 domestic horses living in Bishkek, Kyrgyzstan. Twenty-three species belonging to 14 genera were identified. This is the first study on intestinal ciliates in domestic horses living in Kyrgyzstan. The mean number of ciliates was 14.1 +/- 6.8 x 10(4) cells ml(-1) of feces and the mean number of ciliate species per host was 6.0 +/- 3.2. No endemic or new species were detected. Blepharocorys was the major genus as these ciliates were detected in high proportions. In contrast Holophryoides, Allantosom ...Более

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The Determinants of Tax Culture in Transition Economies: The Case of Kyrgyzstan = Geçiş Ekonomilerinde Vergi Kültürü ve Etkileyen Faktörler: Kırgızistan Örneği

Raziyahan ABDİYEVA | Cusupcan PİRİMBAYEV

Devletin fonksiyonlarını etkin ve başarılı bir şekilde yerine getirebilmesi için sürekli ve sağlıklı finansal kaynaklara ihtiyacı vardır. Devletin sağlıklı bir şekilde sürekli gelire sahip olması ancak vergi sisteminin etkinliğine bağlıdır. Vergi sisteminin başarısını ise mükelleflerin vergi yükümlülüklerini yerine getirme düzeyi belirlemektedir. Çalışmamızda bir geçiş ekonomisi olan Kırgızistan’daki mükelleflerin vergi kültürü ve bu vergi kültürünü etkileyen faktörler araştırılmaktadır. Elde edilen sonuçlara göre vergi kültürünü etkileyenen önemli faktörlerin devlete güven, kamu hizmetlerinin ...Более

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Patterns of Television Viewing Behavior in Kyrgyzstan: A Perspective of Uses and Gratifications = Kırgızistanda Televizyon İzleme Davranışı Örüntüleri: Bir Kullanımlar ve Doyumlar Perspektifi

Bünyamin AYHAN

Television draws attention as a very powerful means of mass communication taking up a very important part in social life. Television, when compared to other mass media, remains as a means that presents information to people in an effective and persuasive way without requiring any training for use. Television comes to the fore among other social media due to its audio and visual elements and its ability to create a false sense of participation. Television informs while entertaining. Especially, it presents people with various alternatives not only to be relieved of the oppressive everyday life ...Более

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The Distribution of PAS-Positive Uterine Natural Killer (uNK) Cells in the Decidua Basalis of Pregnant Mice = Gebe Farelerde Desidua Bazalis Dokusundaki PAS-Pozitif Uterus Doğal Katil Hücrelerinin Dağılımı

Nariste KADIRALİYEVA

Bu çalışma, gebeliğin farklı dönemlerindeki fare desidua bazalis dokusunda periyodik-asit Schiff (PAS)-pozitif granüllere sahip uterus doğal katil (uNK) hücrelerinin dağılımının belirlenmesi amacıyla yapıldı. Bu amaçla, 12-14 haftalık fareler, gebe olmayan-kontrol grubu ile gebeliğin birinci, ikinci ve üçüncü haftalarının ortasına karşılık gelecek şekilde erken, orta ve geç gebelik dönemi (sırasıyla gebeliğin 3, 10. ve 17. günleri) olmak üzere 4 gruba ayrıldılar (n= 6). Plasentasyonun ilerlemesiyle birlikte metriyal bölge (MLAp; mesometrial lymphoid aggregate of pregnancy), desidua bazalis, ba ...Более

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