Test and Measurement Center In advanced Technologies (MERKEZ LABORATUVARI)

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Peel Bond Strength of Two Silicone Soft Liners to a Heat-cured Denture Base Resin DEMİR, HAKAN; DOĞAN, ARİFE; DOĞAN, ORHAN MURAT; Keskin, Selda; Bolayir, Giray; SOYGUN, KORAY (2011-12-01) Purpose: This study investigated the peel strength of two different soft liners to a polymethylmethacrylate (PMMA) denture base resin before and after thermocycling.
The Effect of Surface Treatments on Tensile Bond Strength between a Silicone Soft Liner and a Heat-Cured Denture Base Resin SOYGUN, KORAY; Bolayir, Giray; DOĞAN, ARİFE; DEMİR, HAKAN; DOĞAN, ORHAN MURAT; Keskin, Selda (2011-01-01) This study evaluated tensile bond strength of a denture soft lining material to a poly (methylmethacrylate) (PMMA) denture base resin subjected to different surface treatment modalities and thermocycling. The materials tes...
Synthesis and characterization of boron-doped Bi2O3-La2O3 fiber derived nanocomposite precursor Durmusoglu, Senol; Uslu, Ibrahim; TUNÇ, TUNCAY; Keskin, Selda; Aytimur, Arda; Akdemir, Ahmet (Springer Science and Business Media LLC, 2011-11-01) Boron doped poly(vinyl) alcohol/ bismuth - lanthanum acetate (PVA/Bi-La) nanofibers were prepared by electrospinning using PVA as a precursor. The effect of boron doping was investigated in terms of solution properties, mo...
Modification of glassy carbon electrode by the electrochemical oxidation of 3-aminophenylcalix[4]pyrrole in nonaqueous media TANER, BİLGE; DEVECİ, PERVİN; ÜSTÜNDAĞ, ZAFER; Keskin, Selda; ÖZCAN, EMİNE; SOLAK, ALİ OSMAN (Wiley, 2012-02-01) 3-Aminophenylcalix[4]pyrrole (3APCP) was grafted to a glassy carbon (GC) surface during the electrochemical oxidation process in 0.1 M tetrabutylammoniumtetra-fluoroborate (TBATFB) containing acetonitrile solution. The pre...
Effect of Maleic Anhydride Pretreatment on Tensile Bond Strength of a Silicone Soft Liner to a Denture Base Polymer DEMİR, HAKAN; SOYGUN, KORAY; DOĞAN, ARİFE; Keskin, Selda; DOĞAN, ORHAN MURAT; Bolayir, Giray (2011-10-01) Purpose: To determine the effect of resin surface treatment with dissolved maleic anhydride in butanone added into primer on the tensile bond strength between an acrylic denture base resin and a silicone soft liner.
Preparation of Gadolina Stabilized Bismuth Oxide Doped with Boron via Electrospinning Technique TUNÇ, TUNCAY; Uslu, Ibrahim; Durmusoglu, Senol; Keskin, Selda; Aytimur, Arda; Akdemir, Ahmet (Springer Science and Business Media LLC, 2012-01-01) In this study, boron doped and undoped poly (vinyl) alcohol/bismuth-gadolina acetate (PVA/Bi-Gd) nanofibers were prepared using electrospinning technique then calcinated at 800 degrees C for 2 h. The originality of this st...
Effects of Different Denture Cleansers on the Tensile Bond Strength of Denture Liners DEMİR, HAKAN; SOYGUN, KORAY; Bolayir, Giray; DOĞAN, ARİFE; Keskin, Selda; DOĞAN, ORHAN MURAT (Informa UK Limited, 2009-01-01) The effect of two denture cleansers (Polident (R) and Protefix (R)) on the tensile bond strength between four soft liner materials (Molloplast B (R), Permaflex (R), Sofreliner Tough Medium (R), and GC Reline Soft (R)) and ...
Preparation and Characterization of Neodymia Doped PVA/Zr-Ce Oxide Nanocrystalline Composites via Electrospinning Technique Keskin, Selda; Uslu, Ibrahim; TUNÇ, TUNCAY; ÖZTÜRK, MUSTAFA; Aytimur, Arda (2011-01-01) In this study, neodymia doped poly(vinyl) alcohol/zirconium-cerium acetate (PVA/Zr-Ce) nanofibers were prepared using the electrospinning technique, and then calcined at 800 degrees C for 2 hours. For this purpose, PVA/Zr-...
Tensile Bond Strength of a Highly Cross-Linked Denture Tooth to the Compression-Molded and Injection-Molded Denture Base Polymers DOĞAN, ARİFE; Korkmaz, Turan; DOĞAN, ORHAN MURAT; Keskin, Selda; DEMİR, HAKAN (Informa UK Limited, 2009-01-01) This study compared tensile bond strengths between conventional compression-molded heat (HC)-, auto (AP)-, and microwave-polymerized (MC) poly(methyl methacrylate)-based denture resins and a relatively new injection-molded...
The catalytic activity of space versus terrestrial synthesized zeolite Beta catalysts in the Meerwein Ponndorf Verley Reactions: Support for PFAL as the Lewis active site for cis-alcohol selectivity Akata, Burcu; Goodrich, Trevor L.; Ziemer, Katherine S.; Sacco, Albert (Springer Science and Business Media LLC, 2007-01-01) The Lewis activity of the Meerwein-Ponndorf-Verley (MPV) reactions is hypothesized to be due to partial framework aluminum (PFAl) that is either octahedrally or tri-coordinated. Crystals grown in the ftee-fall environment ...