Toplam kayıt 192, listelenen: 1-20

    • Matrix Isolation Infrared Spectra and Photochemistry of Hydantoin 

      Öğrüç Ildız, Gülce; Nunes, Claudio M.; Fausto, Rui (Amer Inst Physics, 2 Huntington Quadrangle, Ste 1No1, Melville, Ny 11747-4501 USA, 2013-01-31)
      Hydantoin (C3H4N2O2, 2,4-imidazolidinedione) was isolated in argon matrix at 10 K and its infrared spectrum and unimolecular photochemistry were investigated. The molecular structure of the compound was studied both at the ...
    • Bounded Log-Harmonic Functions with Positive Real Part 

      Özkan Uçar, Hatice Esra; Polatoğlu, Yaşar (Academic Press inc Elsevier Science, 525 B St, Ste 1900, San Diego, Ca 92101-4495 USA, 2013-03-01)
      Let H(D) be the linear space of all analytic functions defined on the open unit disc D = {z vertical bar vertical bar z vertical bar < 1}, and let B be the set of all functions w(z) is an element of H(D) such that vertical ...
    • Modeling Solar Cycles 15 to 21 Using a Flux Transport Dynamo 

      Işık, Emre; Jiang, J.; Cameron, R. H.; Schmitt, D. (Edp Sciences S A, 17, Ave Du Hoggar, Pa Courtaboeuf, Bp 112, F-91944 Les Ulis Cedex A, France, 2013-05)
      Context. The Sun's polar fields and open flux around the time of activity minima have been considered to be strongly correlated with the strength of the subsequent maximum of solar activity. Aims. We aim to investigate ...
    • New Ring-Like Models and ab Initio DFT Study of the Medium-Range Structures, Energy and Electronic Properties of GeSe2 Glass 

      Akalın, Elif; Akyüz, Sevim; Holomb, R.; Mitsa, V. (Taylor & Francis Ltd, 4 Park Square, Milton Park, Abingdon Ox14 4Rn, Oxon, England, 2013-07-01)
      Ab initio DFT calculations were performed on GenSem nanoclusters (n=2, 3, 5, 6, 12; m=6-9, 14, 16, 30) that represent the local structure of GeSe2 glass and on some defect' GenSem clusters that are thought to be related ...
    • FTIR and EDXRF Investigations of Salt Tolerant Soybean Mutants 

      Akyüz, Sevim; Akyüz, Zeki Tanıl; Çelik, Özge; Atak, Çimen (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2013-07-23)
      Molecular structure and elemental composition of soybean (Glycine max L. Merr.) seeds of S04-05 (Ustun-1) variety together with its salt tolerant mutants were investigated by Fourier transform infrared (FTIR) and energy ...
    • Ab Initio and Raman Study of Medium Range Ordering in GeSe2 Glass 

      Akyüz, Sevim; Akalın, Elif; Holomb, R.; Mitsa, V.; Sichka, M. (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2013-08-01)
      High resolution Raman spectra of GeSe2 glass were measured and fitted using individual Gaussian components. The structural origin of the components were interpreted using the results of ab initio density functional theory ...
    • Effects of Air Pollution on Lung Function and Symptoms of Asthma, Rhinitis and Eczema in Primary School Children 

      Örnektekin, Sermin; Altuğ, Hicran; Gaga, Eftade Emine; Döğeroğlu, Tuncay; Özden, Özlem; Brunekreef, Bert; Meliefste, Kees; Hoek, Gerard; Van Doorn, Wim (Springer Heidelberg, Tiergartenstrasse 17, D-69121 Heidelberg, Germany, 2013-09)
      Health effects of ambient air pollution were studied in three groups of schoolchildren living in areas (suburban, urban and urban-traffic) with different air pollution levels in EskiAYehir, Turkey. This study involved 1,880 ...
    • Limits to Solar Cycle Predictability: Cross-equatorial Flux Plumes 

      Işık, Emre; Cameron, R. H.; Dasi-Espuig, M.; Jiang, J.; Schmitt, D.; Schuessler, M. (Edp Sciences S A, 17, Ave Du Hoggar, Pa Courtaboeuf, Bp 112, F-91944 Les Ulis Cedex A, France, 2013-09)
      Context. Within the Babcock-Leighton framework for the solar dynamo, the strength of a cycle is expected to depend on the strength of the dipole moment or net hemispheric flux during the preceding minimum, which depends ...
    • Expression Analysis of Proline Metabolism-Related Genes in Salt-Tolerant Soybean Mutant Plants 

      Çelik, Özge; Ünsal, Selin Gül (Southern Cross Publ, 8 91-93 Mckenzie St, Lismore, Nsw 2480, Australia, 2013-09)
      Salt stress is one of the important abiotic stress factors. Proline is generally thought to play an important role in the improvement of salt tolerance in plants. In the present study, we discussed the relationship between ...
    • Multiple Sclerosis: Association with the Interleukin-1 Gene Family Polymorphisms in the Turkish Population 

      Çoker Gürkan, Ajda; Işık, Nihal; Arman, Ahmet; Aydın Cantürk, İlknur; Candan, Fatma; Aktan, Şule; Erzaim, Nilüfer; Arıcı Düz, Özge; Aydın, Tuğrul; Türkeş, Muzaffer (Informa Healthcare, Telephone House, 69-77 Paul Street, London Ec2A 4Lq, England, 2013-10)
      Background: Multiple Sclerosis (MS) is a neurodegenerative disease. It involves inflammation and demyelination. Since cytokines play an important role in the development of MS, genes encoding cytokines such as the Interleukin ...
    • Assessment of Interleukin-1 Gene Cluster Polymorphisms in Lone Atrial Fibrillation: New Insight into the Role of Inflammation in Atrial Fibrillation 

      Çoker Gürkan, Ajda; Güngör, Barış; Ekmekçi, Ahmet; Arman, Ahmet; Özcan, Kazım S.; Üçer, Ekrem; Çalık, Nazmi; Yılmaz, Hale; Tezel, Tuna; Bolca, Osman (Wiley-Blackwell, 111 River St, Hoboken 07030-5774, Nj USA, 2013-10)
      BackgroundSystemic inflammation is accepted as one of the pathophysiological mechanisms of atrial fibrillation (AF). The role of inflammation has been shown previously. Interleukin (IL) system is the main modulator of the ...
    • Counterpoise Correction on the Geometries and Vibrational Frequencies of Acetazolamide Dimers 

      Özel, Ayşen; Kecel Gündüz, Serda; Çelik, Sefa; Akyüz, Sevim (Asian Journal Of Chemistry, 11/100 Rajendra Nagar, Sector 3,, Sahibabad 201 005, Ghaziabad, India, 2013-10)
      Acetazolamide (m.f. C4H6N4O3S2) (N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl) acetamide), is a sulfonamide derivative and carbonic anhydrase inhibitor. It is often used in the treatment of various diseases. In this study, the ...
    • Vibrational Spectroscopic Investigation of Tetracyanopalladate Bridged Two Dimensional Coordination Polymer Compounds of Pyrimidine 

      Akkaya, Yasemin; Akyüz, Sevim; Akyüz, Zeki Tanıl (Asian Journal Of Chemistry, 11/100 Rajendra Nagar, Sector 3,, Sahibabad 201 005, Ghaziabad, India, 2013-11)
      The two dimensional layered polymer compounds, M(PM)(2)Pd(CN)(4) {where M = Mn, Zn or Cd; PM = pyrimidine} have been prepared for the first time and their FT-IR (4000-400 cm(-1)) and Raman (4000-50 cm(-1)) spectra are ...
    • An Investigation on a New Class of Harmonic Mappings 

      Polatoğlu, Yaşar; Duman Yavuz, Emel; Kahramaner, Yasemin (Springer International Publishing Ag, Gewerbestrasse 11, Cham, Ch-6330, Switzerland, 2013-11-07)
      In the present paper, we give an extension of the idea which was introduced by Sakaguchi (J. Math. Soc. Jpn. 11:72-75, 1959), and we give some applications of this extended idea for the investigation of the class of harmonic ...
    • Is Attar's Fotovvatname in Istanbul ... ? 

      Ceylan, Ömür (Ahmet Yesevi Univ, Mutevelli Heyet Baskanligi, Taskent Caddesi 10 Sok Nu 30, Bahcelievler, Ankara 06490, Turkey, 2013)
      Farid ud-Din Attar, one of the prominent and leading poets of Eastern literature, still keeps researchers busy not only with the valuable works he has left, but also with the numerous works doubtfully belonging to him. ...
    • Inhibition of Polyamine Oxidase Prevented Cyclin-Dependent Kinase Inhibitor-Induced Apoptosis in HCT 116 Colon Carcinoma Cells 

      Arısan, Elif Damla; Çoker Gürkan, Ajda; Obakan Yerlikaya, Pınar; Palavan Ünsal, Narçin (Springer, Van Godewijckstraat 30, 3311 Gz Dordrecht, Netherlands, 2013-12)
      Roscovitine and purvalanol are novel cyclin-dependent kinase (CDK) inhibitors that prevent cell proliferation and induce apoptotic cell death in various cancer cell lines. Although a number of studies have demonstrated the ...
    • EDXRF and FTIR Analysis of Some Glass Fragments Belong to Ottoman Period, Excavated in Ancient Ainos (Enez) Turkey 

      Akyüz, Sevim; Akyüz, Zeki Tanıl; Başaran, Sait; Çakan, Banu (Asian Journal Of Chemistry, 11/100 Rajendra Nagar, Sector 3,, Sahibabad 201 005, Ghaziabad, India, 2013-12)
      Ancient glass fragments excavated in the archaeological district Enez (Ancient Ainos), Turkey were investigated by combined energy dispersive X-ray fluorescence (EDXRF) and Fourier Transform Infrared (FTIR) spectrometry ...
    • Effects of Alkali Metallization on the Luminescence Degradation of Porous Silicon 

      Özer, Mehmet; Kayahan, Ersin; Oral, Zehra Banu (Polish Acad Sciences Inst Physics, Al Lotnikow 32-46, Pl-02-668 Warsaw, Poland, 2012-01)
      In this study, change in the intensity and stability of photoluminescence obtained by porous silicon were investigated with illumination time and metallization state. The porous silicon samples were metallized by immersing ...
    • Sintering Behaviour of ZnO:Cu Ceramics Fabricated by Sol-Gel Derived Powders 

      Özer, Mehmet; Bahşi Oral, Zehra Banu; Oral, Ahmet Yavuz; Aslan, Muhammed Hasan; Kayahan, Ersin (Polish Acad Sciences inst Physics, Al Lotnikow 32-46, Pl-02-668 Warsaw, Poland, 2012-01)
      Doped zinc(II) oxide (ZnO:Cu) ceramics were prepared from sol gel derived nanocrystalline powders. Powders were prepared by dissolving zinc and copper acetates in isopropyl alcohol. Ethanolamine was used to enhance the ...
    • The Concept of Unidirectionally Coupled Nonlinear Circuits via a Memristor 

      Volos, Ch. K.; Kyprianidis, I. M.; Stouboulos, I. N.; Stavrinides, S. G.; Anagnostopoulos, A. N.; Özer, Mehmet (Polish Acad Sciences Inst Physics, Al Lotnikow 32-46, Pl-02-668 Warsaw, Poland, 2012-01)
      Confirmation of the existence of memristor by researchers at 2008 attracts much interest on this newly found circuit element. This is due to the fact that memristor opens up new functionalities in electronics and it has ...