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Search for a strangeonium-like structure Z(s) decaying into phi pi and a measurement of the cross section e(+)e(-) -> phi pi pi
No full textUsing a data sample of e(+)e(-) collision data corresponding to an integrated luminosity of 108 pb(-1) collected with the BESIII detector at a center-of-mass energy of 2.125 GeV, we study the process e(+)e(-) -> phi pi pi and search for a strangeoniumlike structure Z(s) decaying into phi pi. No signal is observed in the phi pi mass spectrum. Upper limits on the cross sections for Z(s) production at the 90% confidence level are determined. In addition, the cross sections of e(+)e(-) -> phi pi(+)pi(-) and e(+)e(-) -> phi pi(0)pi(0) at 2.125 GeV are measured to be (436.2 +/- 6.4 +/- 30.1) pb and (237.0 +/- 8.6 +/- 15.4) pb, respectively, where the first uncertainties are statistical and the second systematic
Automated computer-aided diagnosis of splenic lesions due to abdominal trauma
No full textTulum, Gökalp (Arel Author), Osman, Onur (Arel Author)Background: Computer-aided detection in the setting of trauma presents unique challenges due to variations in shape and attenuation of the injured organs based on the timing and severity of the injury. We developed and validated an automated computer-aided diagnosis algorithm to detect splenic lesions such as laceration, contusion, subcapsular hematoma, perisplenic hematoma, and active extravasation using computed tomography (CT) images in patients sustaining blunt or penetrating abdominal trauma. Methods: We categorized the splenic pathologies into three groups: contusion/laceration, hematoma, and active extravasation. We first analyzed the spleen and perisplenic region by estimating the mean value and standard deviation of the spleen. We determined adaptive threshold values based on the histogram of the area and detected the lesions after morphological operations and volumetric comparisons. Results: The overall performance of the three computer-aided diagnosis (CAD) algorithms is an accuracy of 0.80, sensitivity of 0.95, specificity of 0.67, and a diagnostic odds ratio (DOR) of 40 with a 95 % confidence interval (CI): 14 to 117. The CAD of perisplenic hematoma had the highest diagnosis rates with an accuracy of 0.90, a sensitivity of 0.95, specificity of 0.80, and DOR of 76 with a 95 % CI: 13 to 442. Conclusions: We developed a new algorithm to detect post-traumatic splenic lesions automatically and with high accuracy. Our method could potentially lead to the automated diagnosis of all traumatic abdominal pathologies
Study of electromagnetic Dalitz decays chi(cJ )-> mu(+)mu(-) J/psi
No full textKolcu, Onur Buğra (Arel Author)Using 4.48 x 10(8) psi(3686) events collected with the BESIII detector, we search for the decays chi(cJ) ->mu(+)mu(- )J/psi through the radiative decays psi(3686) -> gamma chi(cJ), where J = 0, 1, 2. The decays chi(c1,2) -> mu(+)mu(-)J/psi are observed, and the corresponding branching fractions arc measured to be B(chi(c1) -> mu(+)mu(-) J/psi) = (2.51 +/- 0.18 +/- 0.20) x 10(-4) and B(chi(c2 )-> mu(+)mu(- )J/psi) = (2.33 +/- 0.18 +/- 0.29) x 10(-4), where the first uncertainty is statistical and the second one systematic. No significant chi(c0 )-> mu(+)mu(- )J/psi decay is observed, and the upper limit on the branching fraction is determined to be 2.0 x 10(-5) at 90% confidence level. Also, we present a study of dimuon invariant mass dependent transition form factor for the decays chi(c1,2 )->mu(+)mu(- )J/psi
Synthesis, FT-IR and NMR characterization, antimicrobial activity, cytotoxicity and DNA docking analysis of a new anthraquinone derivate compound
No full textŞahin, Yeşim Müge (Arel Author)A new anthraquinone [1-(2-Aminoethyl)piperazinyl-9,10-dioxo-anthraquinone] derivative was synthesized and characterized by density functional theory (DFT) calculations, experimental and theoretical vibrational spectroscopy and NMR techniques. The most stable molecular structure of the title molecule was determined by DFT B3LYP method with 6-31++G(d,p) and 6-311++G(d,p) basis sets. The fundamental vibrational wavenumbers, IR and Raman intensities for the optimized structure of the investigated molecule were calculated and compared with the experimental vibrational spectra. The vibrational assignment of the molecule was done using the potential energy distribution analysis. The molecular electrostatic potential (MEP), highest occupied molecular orbital (HOMO) and lowest occupied molecular orbital (LUMO) were also calculated. The antibacterial activities of the new anthraquinone derivative against Gram-positive and Gram-negative bacteria were determined, and it was shown that the highest effectiveness was against Staphylococcus aureus and S. epidermidis while no activity was against Gram-negative bacteria. Moreover, the antimycotic activity of the title compound was examined and the cytotoxicity of anthraquinone derivate was determined. In order to find the possible inhibitory activity of the title compound, molecular docking of the molecule was carried out against DNA. The results indicated that the mentioned compound has a good binding affinity to interact with the DC3, DG4, DA5, DC21 and DC23 residues of DNA via the intermolecular hydrogen bonds
3D bio-printing of levan/polycaprolactone/gelatin blends for bone tissue engineering: Characterization of the cellular behavior
No full textŞahin, Yeşim Müge (Arel Author), Buluş, Erdi (Arel Author)Poly(?-caprolactone) (PCL), gelatin (GT) and different concentrations of low molecular weight Halomonas levan (HLh) were combined and examined to develop physical networks serving as tissue scaffolds to promote cell adhesion for biocompatibility. Three-dimensional bioprinting technique (3D bioprinting) was employed during manufacturing the test samples and their comprehensive characterization was performed to investigate the physicochemical properties and biocompatibility. Physical properties of the printing materials such as viscosity, surface tension, and density were measured to determine optimal parameters for 3D bioprinting. The scanning electron microscope (SEM) was used to observe the morphological structure of scaffolds. Fourier-Transform Infrared Spectroscopy (FT-IR) and differential scanning calorimetry (DSC) were used to identify the interactions between the components. In-vitro cell culture assays using standard human osteoblast (Hob) cells showed increased biocompatibility of the printing materials with increasing HLh content. Thus, the formulations including the HLh are expected to be a good candidate for the production of 3D printed materials. © 2019 Elsevier LtdFen-C-YLP-120917-0549, SAG-B-090217-0036, FEN-E-130515-0175This study has been funded by BAPKO, Marmara University , Turkey; grant no: SAG-B-090217-0036 and Fen-C-YLP-120917-0549 ; grand no: FEN-E-130515-0175 . Appendix
Earthquake damage assessment of 1-story precast industrial buildings using damage probability matrices
No full textPalancı, Mehmet (Arel Author)In this study, risk assessment of 1-story precast building is conducted in probabilistic manner by using damage probability matrices (DPMs). Peak ground velocity (PGV) is used as reference ground motion parameter to associate with structural damages and more than three hundred real earthquake records is used for nonlinear dynamic analysis of precast buildings. Three different probabilistic calculation approaches mainly based on analytical methods have been used to obtain DPMs and utilized methods are compared. Comparisons have shown that analytical methods presented herein can be used to describe the upper and lower bound of damage probabilities of precast buildings, respectively. Evaluations on the damage probabilities have also pointed out that the structural differences among the buildings, use of different probabilistic approaches and damage ratios related with structural damage costs cause remarkable differences between the damage predictions and they can be considered as primary sources of uncertainties. Logic tree method, which has ability to gather involved uncertainties, is used to carry out reliable damage assessment. Results have shown that damage ratios of precast buildings determined after logic tree analysis have a good agreement with site investigation studies of 1999 Kocaeli earthquake occurred in Turkey and presented methods can be used in risk assessment of precast industrial buildings. © 2019, Springer Nature B.V.110M255The authors acknowledge support provided by Scientific and Technical Research Council of Turkey (TUBITAK) under Project No: 110M255. The authors wish to express their gratitude to directorate of DOIZ) for providing design projects of precast buildings. Ground motion records used in this study are downloaded from the PEER web site. The authors also acknowledge the PEER for providing the processed data
Study of the D-0 -> K-mu(+)nu(mu) Dynamics and Test of Lepton Flavor Universality with D-0 -> K(-)l(+)nu(l) Decays
No full textUsing e(+)e(-) annihilation data of 2.93 fb(-1) collected at center-of-mass energy root s = 3.773 GeV with the BESIII detector, we measure the absolute branching fraction of D-0 -> K-mu(+)nu(mu) with significantly improved precision: BD0 -> K-mu+nu mu = (3.413 +/- 0.019(stat) +/- 0.035(syst))%. Combining with our previous measurement of BD0 -> K-e+nu e, the ratio of the two branching fractions is determined to be BD0 -> K-mu+nu mu/BD0 -> K-e+nu e = 0.974 +/- 0.007(stat) +/- 0.012(syst), which agrees with the theoretical expectation of lepton flavor universality within the uncertainty. A study of the ratio of the two branching fractions in different four-momentumtransfer regions is also performed, and no evidence for lepton flavor universality violation is found with current statistics. Taking inputs from global fit in the standard model and lattice quantum chromodynamics separately, we determine f(+)(K)(0) = 0.7327 +/- 0.0039(stat) +/- 0.0030(syst) and vertical bar V-cs vertical bar = 0.955 +/- 0.005(stat) +/- 0.004(syst) +/- 0.024(LQCD)
Synthesis of molecularly imprinted polymers for specific recognition of ellagic acid
No full text2019 Scientific Meeting on Electrical-Electronics and Biomedical Engineering and Computer Science, EBBT 2019 -- 24 April 2019 through 26 April 2019 --#nofulltext# --- Hatır Çakır, Pınar (Arel Author)Molecular imprinting technique is based on the fact that functional monomers are formed a complex around the template molecule by covalent or non-covalent interactions, and then these interactions are made stable by using cross-linker. By the removal of the template molecule after the synthesis, the template molecule-specific complementary binding sites are formed in the polymeric network. The ellagic acid molecule, which is found in the pomegranate fruit, is known to have antiinflammatory, antiallergic, anti-cancer and antimicrobial properties. In this study, it is aimed to synthesize ellagic acid imprinted polymer (MIP) for isolation of ellagic acid from pomegranate fruit. 4-vinylpyridine was used as functional monomer, ethylene glycol dimethacrylate as crosslinker, and Tetramethylethylenediamine (TEMED)/Potassium persulfate (KPS) system as initiator. Molecularly imprinted polymers were synthesized by thermal polymerization. The characterization of the synthesized polymers was done by Fourier-transform infrared spectroscopy (FTIR). The ellagic acid recognition properties of MIP and nonimprinted polymers (NIPs) were tested, dissociation constants were calculated as 7.0 ?M for MIP and 9.5 ?M with lower affinity for NIP. In the light of the findings, it was concluded that MIP can recognize ellagic acid better than NIP. © 2019 IEEE
Glutamine Use in Pelvic Sarcopenia: A Prospective, Randomized, Placebo Controlled Study
No full textWorld Congress on Osteoporosis, Osteoarthritis and Musculoskeletal Diseases (WCO-IOF-ESCEO) --APR 04-07, 2019 -- Paris, FRANCE#nofulltext# --- WOS: 000475685502031…Int Osteoporosis Fdn, ESCEO, Mylan, UCB, IBSA, Medimaps, Lilly, Hologic, Strax Corp, Kyowa Kirin, Galgo Med, EffRx, Amgen, Abiogen Pharma, Medi, Fidia Pharma Grp, TRB Chemedica Sa, AgNovos Healthcare GmbH, Expanscience Labs, Wisepress Com, GE, Pierre Fabre, Roche, Echolight, Thuasne, Theramex, Bindex, Gedeon Richter, Sinklar Conf Management B VNestle Health ScienceThis study is supported by Nestle Health Science
Analysis of the Relationship between Consumer-Commercial Loan Interest Rates and Non-Performing Loans in Turkey by Employing Asymmetric Adjustment
No full textChanges in interest rates are one of the macroeconomic factors having impacts on non-performing loan ratio which signals to increased credit risk in the banking sector. The objective of this study is to investigate the relationship between loan interest rates and non-performing loan ratio for Turkey by using monthly data covering the period of 2012:07-2018:12 and by employing the TAR-MTAR cointegration tests proposed by Enders and Siklos (2001), which allows the long-run asymmetric adjustment. The findings don't support the impact of both consumer and commercial loan interest rates on non-performing loans, implying that there is no long-run relationship between loan interest rates and non-performing loans in the relevant period for Turkey