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Bulunan: 104 Adet 0.003 sn
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Bulunan: 104 Adet 0.003 sn
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Süresiz Ambargo

Identification of medically important yeasts by sequence analysis of the internal transcribed spacer and D1/D2 region of the large ribosomal subunit

AYDIN, Merve | KUŞTİMUR, Semra | KALKANCI, Ayşe | DURAN, Tuğçe

Background: The prevalence of opportunistic yeast infections has increased in recent decades as the resultof an increasing immunocompromised patient population.Aims: To evaluate ribosomal RNA (rRNA) gene sequence to identify medically important yeast species, toinvestigate the performance of both the rRNA gene internal transcribed spacer (ITS) and D1/D2 region in identifying clinically relevant yeasts, and to compare these results with those of a standard phenotypicmethod.Methods: Both regions from 50 yeast strains, comprising 45 clinical isolates and 5 reference strains, wereamplified using P ...Daha fazlası

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Intratympanic mixture gentamicin and dexamethasone versus dexamethasone for unilateral Meniere's disease

ÖZTÜRK, Kayhan | ATA, Nurdoğan

Objective: This study aimed to determine the effectiveness of an intratympanic (IT) injection of a mixture of gentamicin and dexamethasone compared with intratympanic dexamethasone (ITD) for controlling vertigo and protecting the hearing level of Meniere's disease patients who have persistent vertigo attacks, despite medical treatment. Methods: Thirty eight patients with intractable Meniere's disease were included in this study. Twenty-one patients were treated with IT mixture gentamicin and dexamethasone injection; seventeen patients were treated with ITD. Pre- and post-treatment audiograms w ...Daha fazlası

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Molecular characterization and subtyping of Blastocystis in urticarial patients in Turkey

AYDIN, Merve | YAZICI, Mustafa | DEMİRKAZIK, Mehtap | KOLTAŞ, İsmail Soner | ÇIKMAN, Aytekin | GÜLHAN, Barış | DURAN, Tuğçe | YILMAZ, Aysun | KARA, Murat

Objective: To investigate Blastocystis’ etiologic role and association with gastrointestinal symptomatology in acute and chronic urticaria patients and to identify Blastocystis subtypes responsible for urticaria. Methods: The study included urticaria patients and healthy individuals that presented to our polyclinic between June 2015 and May 2017. The participants were assigned into Group I (137 patients), subdivided into acute (72) and chronic urticaria patients (65), and Group II (129 control individuals). Blastocystis presence was investigated by native-Lugol examination, trichrome staining, ...Daha fazlası

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İnsan parechoviruslarının özellikleri, epidemiyolojisi ve klinik önemi

TOKAK, Semih | ÖZDEMİR, Mehmet

İnsan Parechoviruslar (Human Parechovirus; HPeV) tek iplikli, pozitif polariteli RNA viruslarıdır. Başlangıçta klinik ve morfolojik özelliklerine göre insan enterovirusları içerisinde Echovirus 22 ve 23 olarak tanımlansalar da, genom organizasyonu, yapı ve replikasyonlarında birkaç farklı özellikleriyle enteroviruslar ve diğer picornavirus gruplarından farklı oldukları gösterilmiştir. HPeV’ler genetik ve antijenik heterojenlik göstermekte ve birçok tipi dünyanın her yerinde bulunan insan popülasyonunda yaygın bir şekilde bulunmaktadır. HPeV1 en yaygın genotip olup sıklıkla gastrointestinal ve ...Daha fazlası

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Comparison of the effects of the temperature of intratympanic dexamethasone injections on vertigo

ATA, Nurdoğan | ÖZTÜRK, Kayhan | GEZGİN, Bahri

Objective: This study aimed to compare if vertigo improved in patients when the dexamethasone used in the intratympanic (IT) injection was applied at body temperature or at room temperature. Methods: The study included 54 patients who had undergone intratympanic treatment due to sudden hearing loss and tinnitus. The IT injection was administered to all patients, 2 times with 1-day intervals. Two different IT injection techniques were used for each patient: injecting dexamethasone at room temperature and injecting it at body temperature. Patients were asked to report the vertigo they felt immed ...Daha fazlası

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Absence of the mecC gene in methicillin-resistant Staphylococcusaureus isolated from various clinical samples: The first multi-centeredstudy in Turkey

ÇIKMAN, Aytekin | AYDIN, Merve | GÜLHAN, Barış | KARAKEÇİLİ, Faruk | KURTOĞLU, Muhammet Güzel | YÜKSEKKAYA, Şerife | PARLAK, Mehmet | GÜLTEPE, Sümbül Bilge | ÇOPUR ÇİÇEK, Ayşegül | BAYINDIR BİLMAN, Fulya | ÇİFTÇİ, İhsan Hakkı | KARA, Murat | ATMACA, Selahattin | ÖZEKİNCİ, Tuncer

tBackground: mecA is a predefined gene causing methicillin resistance in Staphylococcus aureus (S. aureus)isolates; however, it has been shown that some methicillin-resistant S. aureus (MRSA) strains do notcarry this gene. Recently, in isolates found to be MRSA-positive but mecA-negative, a new resistance gene called mecC, which is a homolog of mecA, has been reported. This study aimed to investigate the mecCand mecA genes in MRSA strains isolated from different geographic regions in Turkey.Methods: The sample of the study consisted of 494 MRSA strains isolated from seven geographical regionsi ...Daha fazlası

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A Hybrid Model For The Prediction Of Aluminum Foil Output Thickness İn Cold Rolling Process

ÖZTÜRK, Ali | ŞEHERLİ, Rıfat

This study proposes a hybrid model composed of multiple prediction algorithms and an autoregressive moving average (ARMA) module for the thickness prediction. In order to attain higher accuracy, the prediction algorithms were globally combined by simple voting to reduce the effect of the inductive bias imposed by each algorithm on the dataset. The global multiexpert combination (GMEC) system included the multilayer perceptron neural network (MLPNN), radial basis function network (RBFN), multiple linear regression (MLR), and support vector machines (SVM) algorithms. The proposed hybrid model ex ...Daha fazlası

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Borrelia burgdorferi chemotaxis toward tick protein Salp12 contributes to acquisition

MURFIN, Kristen E. | KELINBARD, Ruby | AYDIN, Merve | SALAZAR, Samuel A. | FIKRIG, Erol

Lyme disease is a common tick-borne infection caused by the spirochete Borrelia burgdorferi sensu stricto (s.s.). B. burgdorferi s.s. may utilize chemotaxis, the directional migration towards or away from a chemical stimulus, for transmission, acquisition, and infection. However, the specific signals recognized by the spirochete for these events have not been defined. In this study, we identify an Ixodes scapularis salivary gland protein, Salp12, that is a chemoattractant for the spirochete. We demonstrate that Salp12 is expressed in the I. scapularis salivary glands and midgut and expression ...Daha fazlası

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Effect of 3’-4’-dihydroxyflavonol on lipid per oxidation inexperimental renal ischemia-reperfusion in rats

KOÇ, Aynur | ERGENE, Neyhan | BALTACI, Abdülkerim Kasım | MOĞULKOÇ, Rasim

This study aimed to examine the affects of 3’-4’-dihydroxyflavonol (DiOHF) on lipid peroxidation in experimental renal ischemia-reperfusion. The research was conducted on Wistar-albino type male rat. The experimental groups were formed as 1.Control; 2.Sham; 3.Ischemia; 4.Ischemia+reperfusion; 5.DiOHF+Ischemia; 6.Ischemia+ DiOHF + reperfusion. The highest tissue glutathione levels were found in groups 5 and 6. Groups 1 and 2, which were control and sham groups respectively, had the lowest tissue GSH values. Ischemia group was found to have the highest tissue malondialdehyde (MDA) level. Tissue ...Daha fazlası

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A New Semigroup Obtained Via Known Ones

URLU ÖZALAN, Nurten | ÇEVİK, Ahmet Sinan | GÜZEL KARPUZ, Eylem

The goal of this paper is to establish a new class of semigroups based on both Rees matrix and completely 0-simple semigroups. We further present some fundamental properties and finiteness conditions for this new semigroup structure. © 2019 World Scientific Publishing Company.

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Examining The Antitumoral Effect of Cornelian Cherry (Cornus Mas) in Ehrlich Ascites Tumor-Induced Mice

YILMAZ, Seher | ALPA, Şerife | NİSARİ, Mehtap | ŞEKER KARATOPRAK, Gökçe | ÜLGER, Harun | ERTEKİN, Tolga

Introduction: Different doses of C. Mas concentrated syrup on ascitic tumors was investigated in the Ehrlich Ascites Tumor model (EAT). Material and Methods: A total of 46 Balb/C mice were used in our study, 6 of which were stock animals and the other were in ascitic tumor groups. EAT cells (1x106 EAT cells) were injected intraperitoneally into all of the mice. Mice in the treatment groups with ascitic tumors received 100 mg/kg and 200 mg/kg Cornus Mas extract intraperitoneally for 9 days. Results: Counts after the 3 and 24-hour incubations in the EAT cell line that the average number of the d ...Daha fazlası

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The Microneurosurgical Training Model for Intrinsic and Extrinsic Brain Tumor Surgery Using Polyurethane Foam and Fresh Cadaveric Cow Brain: An Experimental Study

ALTUN, Adnan | ÇOKLUK, Cengiz

Objective: To evaluate the feasibility of an experimentally designed brain tumor model consisting of polyurethane foam and fresh cadaveric cow brain for the surgical training of the technique for tumor ablation. Methods: A laboratory-training model was created for microneurosurgical intervention of intrinsic brain tumor ablation covering microdissection of the brain tissue and opening of the pia mater, dissection and separation of the sulcal and cisternal structures, and dissection and removal of the tumor tissue. The left front parietal lobe was used as the area of interest for this experimen ...Daha fazlası

6698 sayılı Kişisel Verilerin Korunması Kanunu kapsamında yükümlülüklerimiz ve cerez politikamız hakkında bilgi sahibi olmak için alttaki bağlantıyı kullanabilirsiniz.

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