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Publication year : 2015 ✕Collection : Technical, Science a ... ✕
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Technical, Science and Applied SciencesKyrgyz-Turkish Manas University Institutional Collection
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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 ...More

Article 2015 Mühendislik Fakültesi Electroanalysis27 ( 2 ) 32 Views
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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 ...More

Article 2015 Fen Fakültesi Turkish Journal of Zoology39 ( 2 ) 140 Views
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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 ...More

Article 2015 Fen Fakültesi Biotechnology and Biotechnological Equipment29 ( 6 ) 128 Views
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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 ...More

Article 2015 Mühendislik Fakültesi LWT - Food Science and Technology63 ( 1 ) 187 Views
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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) ...More

Proceedings Paper 2015 Mühendislik Fakültesi Procedia - Social and Behavioral Sciences195 83 Views
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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. ...More

Article 2015 Mühendislik Fakültesi JBIC : Journal of Biological Inorganic Chemistry20 ( 1 ) 80 Views
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Optimal distributed control for the processes of oscillation described by Fredholm integro-differential equations

Elmira ABDILDAYEVA

In this paper we investigate the problem of distributed optimal control for the oscillation processes described by Fredholm integro-differential equations with partial derivatives when the function of the external source depends nonlinearly on the control parameters. We have developed an algorithm for finding approximate solutions of nonlinear optimization problems with arbitrary precision. The developed method of solving nonlinear optimization problems is constructive and can be used in applications. - Keywords and phrases: boundary value problem, generalized solution, approximate solutions, ...More

Article 2015 Fen Fakültesi Eurasian Mathematical Journal6 ( 2 ) 84 Views
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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 ...More

Article 2015 Fen Fakültesi Zootaxa4039 ( 1 ) 100 Views
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Characterization of polymer inclusion membrane containing Aliquat 336 as a carrier

Osman TUTKUN

The presented research is about characterization of Cellulose Triacetate (CTA) based Polymer Inclusion Membranes (PIMs) which incorporated the commercial extractant Aliquat 336, Tributylphosphate (TBP) as modifier and 2-Nitro Phenyl Pentyl Ether (NPPE) as plasticizer, for the preparation of the membranes. Chemical and physical characteristics of the synthesized membranes especially membrane thickness and side difference effects were investigated. Different surface structures and membrane thickness affect the extraction efficiency of membranes. Membrane extraction experiments were studied where ...More

Article 2015 Mühendislik Fakültesi Membrane Water Treatment6 ( 2 ) 122 Views
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Environmental relationships of the vascular flora alongside the railway tracks between Haydarpaşa and Gebze (Istanbul-Kocaeli/ Turkey)

Zeki SEVEROĞLU

The vascular flora alongside the railway track between Haydarpasa and Gebze in Turkey was investigated and the floristic features of the study area are presented here. The investigation was undertaken during 2003-2009. In total 194 plant taxa were determined. Out of these 174 were naturally growing and 20 were exotics and cultivated. Native taxa within the flora belonged to 135 genera and 50 families, exotic and cultivated taxa belonged to 20 genera and 15 families. The members of Dicotyledonae constituted of 82.76% and Monocotyledonae 16.09% of the native taxa. The highest number of these tax ...More

Article 2015 Fen Fakültesi Journal of Environmental Biology36 ( 1-Special Issue ) 101 Views
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Установление продолжительности варки некоторых сортов фасоли = Establishment of Cooking Time Some Varieties of Beans

Nurudin KIDIRALİYEV

Фасоль отличается высоким содержанием белков и углеводов, а также большим содержанием витаминов, минералов и других полезных веществ, улучшающих состояние процессов, происходящих в организме человека. Чтобы питательные и полезные вещества не уничтожились в процессе приготовления, необходимо знать режимы тепловой обработки этого полезного продукта. Перед тем, как сварить фасоль, нужно ее замачивать. Предварительное замачивание способствует скорому приготовлению и сохранению формы фасоли. Варка фасоли является гидротермическим процессом, в котором сочетается одновременное воздействие теплом и во ...More

Article 2015 Mühendislik Fakültesi Хранение и переработка сельхозсырья ( 3 ) 82 Views
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The study of geometrical parameters of some varieties of beans grown in Kyrgyzstan before and after the hydrothermal treatment = Изучение геометрических параметров зерен некоторых сортов фасоли, выращиваемых в Кыргызстане, до и после гидротермической обработки

Nurudin KIDIRALİYEV

Зерна фасоли имеют высокую питательную ценность и усвояемость человеческим организмом. В Кыргызской Республике производится более 20 сортов фасоли, продукция экспортируема на 90 %. Несмотря на такой экспортный потенциал, до сих пор пищевая ценность и некоторые технологические свойства зерен фасоли местных сортов изучены недостаточно. В данной работе определены такие геометрические показатели зерен фасоли, как длина, ширина, толщина, среднеарифметический диаметр, среднегеометрический диаметр, шарообразность, площадь поверхности, соотношение сторон до и после гидротермической обработки. Эти данн ...More

Article 2015 Mühendislik Fakültesi Food Processing: Techniques and Technology / Техника и технология пищевых производств39 ( 4 ) 79 Views
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