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Erişime Açık

Measurement of D0, D+, D∗+ and D+ production in pp collisions s = 5.02 TeV with ALICE

KARASU UYSAL, Ayben | ALICE Collaboration

The measurements of the production of prompt D0 , D+ , D∗+ , and D+s mesons in proton–proton (pp) col- lisions at √s = 5.02 TeV with the ALICE detector at the Large Hadron Collider (LHC) are reported. D mesons were reconstructed at mid-rapidity (|y| < 0.5) via their hadronic decay channels D0 → K−π+, D+ → K−π+π+, D∗+ → D0π+ → K−π+π+, D+s → φπ+ → K+K−π+, and their charge conjugates. The production cross sections were measured in the transverse momentum interval 0 < pT < 36GeV/cforD0,1 < pT < 36GeV/cforD+ and D∗+, and in 2 < pT < 24 GeV/c for D+s mesons. Thanks to the higher integrated luminosit ...Daha fazlası

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

Erişime Açık

Dielectron and heavy-quark production in inelastic and high-multiplicity proton–proton collisions at √s = 13 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The measurement of dielectron production is presented as a function of invariant mass and transverse momentum (pT) at midrapidity (|ye|

Erişime Açık

Measurement of dielectron production in central Pb-Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The first measurement of dielectron (e+e−) production in central (0–10%) Pb–Pb collisions at √sNN = 2.76TeV at the LHC is presented. The dielectron invariant-mass spectrum is compared to the expected contributions from hadron decays in the invariant-mass range 0 < mee < 3.5 GeV/c2. The ratio of data and the cocktail of hadronic contributions without vacuum ρ0 is measured in the invariant-mass range 0.15 < mee < 0.7 GeV/c2, where an excess of dielectrons is observed in other experiments, and its value is 1.40 ± 0.28 (stat.) ± 0.08 (syst.) ± 0.27 (cocktail). The dielectron spectrum measured in t ...Daha fazlası

Erişime Açık

Relative particle yield fluctuations in Pb–Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

First results on K/π, p/π and K/p fluctuations are obtained with the ALICE detector at the CERN LHC as a function of centrality in Pb–Pb collisions at √sNN = 2.76 TeV . The observable νdyn , which is defined in terms of the moments of particle multiplicity distributions, is used to quantify the magnitude of dynamical fluctuations of rela- tive particle yields and also provides insight into the corre- lation between particle pairs. This study is based on a novel experimental technique, called the Identity Method, which allows one to measure the moments of multiplicity distri- butions in case of ...Daha fazlası

Erişime Açık

Electrochemical Glucose Biosensors: Whole Cell Microbial and Enzymatic Determination Based on 10-(4H-Dithieno[3,2-b:2′,3′-d]Pyrrol-4-yl)Decan-1-Amine Interfaced Glassy Carbon Electrodes

ÇEVİK, Emre | CERİT, Alaaddin | TOMBULOĞLU, Hüseyin | SABİT, Hussein | YILDIZ, Hüseyin Bekir

The fabrication of amperometric biosensors based on whole cell Gluconobacter oxydans DSMZ 2343 (G. oxydans) and glucose oxidase (GOx) was performed for the detection of glucose. Glassy carbon electrodes (GCE) were coated with a 10-(4H-dithiyeno [3,2-b:2’,3’-d]pyroll-4-il)decan-1-amine (DTP-alkyl-NH2) polymer using an electropolymerization method and the formed interface was used to connect the bacteria and the enzyme to the electrode. The transfer of electrons from enzyme to electrode was successfully demonstrated by the biocatalytic activity and unique morphology of the conducting polymer. Ch ...Daha fazlası

Erişime Açık

Systematic review of mycotoxins in food and feeds in Turkey

ÜNÜSAN, Nurhan

Mycotoxins are toxic natural contaminants of food and feeds and are produced by various fungi fromAspergillus,Alternaria,Fusarium, andPenicilliumgenera. Molds and their toxins have attracted much attention worldwide dueto the important economic losses related to their effects on human health and domestic and international trade.Although more than 400 mycotoxins have been identified, most studies have focused on aflatoxins, ochratoxin A,fusarium toxins, zearalenone, patulin, and trichothecenes owing to their relationships with food safety andeconomic losses. In Turkey, the dramatic variations i ...Daha fazlası

Erişime Açık

The Effect of Hypnosis on Respiratory Function in Addicted to Cigarette Smoking

SUNAR, Füsun | FARZIN, Henareh Chareh

AIM: Most notably chronic obstructive pulmonary disease (COPD) and smoking brings about a variety of diseases contributing to lung cancer. Our aim is to investigate the effect of hypnosis on pulmonary functions in case smoker with spirometry. METHOD: Our research was done on a 53-year old patient with COPD who has been smoking a pack of cigarettes a day for 30 years and suffering from exertional dyspnea for last 5 years. Spirometry was applied on the male patient consulted for smoking cessation by taking advantage of hypnotherapy. Using fast hypnosis technique, the patient was put into trance. ...Daha fazlası

Erişime Açık

Direct photon elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0–20% and 20–40% in Pb–Pb collisions at √sNN = 2.76 TeV by ALICE. Photons were detected with the highly segmented electromagnetic calorimeter PHOS and via conversions in the detector material with the e+e− pairs reconstructed in the central tracking system. The results of the two methods were combined and the direct-photon elliptic flow was extracted in the transverse momentum range 0.9 < pT < 6.2 GeV/c. A comparison to RHIC data shows a similar magnitude of the measured direct- photon elli ...Daha fazlası

Erişime Açık

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

Erişime Açık

p-p, p-lambda, and lambda-lambda correlations studied via femtoscopy in pp reactions at √s = 7 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

We report on the first femtoscopic measurement of baryon pairs, such as p-p, p-, and , measured by ALICE at the Large Hadron Collider (LHC) in proton-proton collisions at √s = 7 TeV. This study demonstrates the feasibility of such measurements in pp collisions at ultrarelativistic energies. The femtoscopy method is employed to constrain the hyperon-nucleon and hyperon-hyperon interactions, which are still rather poorly understood. A new method to evaluate the influence of residual correlations induced by the decays of resonances and experimental impurities is hereby presented. The p-p, p-, and ...Daha fazlası

Erişime Açık

Charged jet cross section and fragmentation in proton-proton collisions pffiffi at s=7TeV

KARASU UYSAL, Ayben | ALICE Collaboration

Azimuthally-differential femtoscopic measurements, being sensitive to spatio-temporal characteristics of the source as well as to the collective velocity fields at freeze out, provide very important information on the nature and dynamics of the system evolution. While the HBT radii oscillations relative to the second harmonic event plane measured recently reflect mostly the spatial geometry of the source, model studies have shown that the HBT radii oscillations relative to the third harmonic event plane are predominantly defined by the velocity fields. In this Letter, we present the first resu ...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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