Yazar "Isildak, Ibrahim" için listeleme
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An All Solid-State Creatinine Biosensor Based on Ammonium-Selective PVC-NH2 Membrane Electrode
Cubuk, Osman; Altikatoglu, Melda; Erci, Vildan; Isildak, Ibrahim; Tinkilic, Nihat (Amer Scientific Publishers, 2013)An all solid-state polymeric membrane potentiometric biosensor has been developed for creatinine. The biosensor was based on all solid-state ammonium-selective electrode. The ammonium-selective electrode was prepared by ... -
Development of Potentiometric Lactate Biosensor Based on Composite pH Sensor
Uygun, Hilmiye Deniz Ertugrul; Tinkilic, Nihat; Attar, Azade; Isildak, Ibrahim (Ecole Polytechnique Montreal, 2016)In this study, a micro-sized lactate sensitive biosensor based on polyvinylchloride, quinhydrone and graphite composite pH sensing platform was developed. Lactate oxidase was immobilized on the composite layer as the ... -
Effect of Immediate and Delayed Post Space Preparation on the Apical Seal of Root Canals Obturated With Different Sealers and Techniques
Aydemir, Hikmet; Ceylan, Goezlem; Tasdemir, Tamer; Kalyoncuoglu, Elif; Isildak, Ibrahim (Univ Sao Paulo Fac Odontologia Bauru, 2009)During mechanical preparation of the post space, the root canal filling may be twisted or vibrated, depending on several factors associated with the preparation technique and quality of filling. Objective: The purpose of ... -
Effects of Preoperative Conventional and Hyperfractionated Radiotherapy on the Healing of Rat Colonic Anastomoses
Gursel, Mahmut Fikret; Malazgirt, Zafer; Gursel, Bilge; Cakir, Saban; Eren, Zafer; Isildak, Ibrahim (Karger, 2009)Background: One problem associated with end to end anastomoses after preoperative radiotherapy is leakage. The strength of the anastomoses is very important. Fractionation schedules are widely under investigation to achieve ... -
Flow Injection Potentiometric Determination of Silver(I) in Photographic Film Developing Solution Samples by Polyvinylchloride Membrane Silver(I) Selective Electrode
Topcu, Cihan; Coldur, Fatih; Andac, Muberra; Cubuk, Osman; Kanberoglu, Gulsah Saydan; Caglar, Bulent; Isildak, Ibrahim (Chem Soc Pakistan, 2016)A polyvinylchloride (PVC) membrane silver(I) selective electrode was developed for the determination of silver(I) ions in photographic film developing solutions. The electrode was embedded into a home-made flow cell and ... -
Flow injection spectrofluorimetric determination of iron(III) in water using salicylic acid
Asan, Adem; Andac, Muberra; Isildak, Ibrahim (Versita, 2010)A simple and fast flow injection fluorescence quenching method for the determination of iron in water has been developed. Fluorimetric determination is based on the measurement of the quenching effect of iron on salicylic ... -
Flow injection spectrophotometric determination of iron(III) using diphenylamine-4-sulfonic acid sodium salt
Asan, Adem; Andac, Muberra; Isildak, Ibrahim; Tinkilic, Nihat (Versita, 2008)A highly sensitive and very simple spectrophotometric flow-injection analysis (FIA) method for the determination of iron(III) at low concentration levels is presented. The method is based on the measurement of absorbance ... -
Flow-injection potentiometric applications of solid state Li+ selective electrode in biological and pharmaceutical samples
Coldur, Fatih; Andac, Muberra; Isildak, Ibrahim (Springer, 2010)A solid state polyvinyl chloride (PVC) membrane Li+-selective electrode was prepared and used as a detector in a low-dead volume flow through cell for the determination of Li+ in pharmaceutical formulations and human serum ... -
Levels of gingival tissue platelet activating factor after conventional and regenerative periodontal surgery
Keles, Gonca Cayir; Cetinkaya, Burcu Ozkan; Ayas, Bulent; Isildak, Ibrahim; Diraman, Emine; Koprulu, Hulya; Acikgoz, Gokhan (Springer Heidelberg, 2007)The hypothesis, a relationship between gingival tissue platelet activating factor (PAF) levels and healing after periodontal surgery, was tested by measuring PAF levels in gingival tissues collected from sites that had ... -
A novel conductometric creatinine biosensor based on solid-state contact ammonium sensitive PVC-NH2 membrane
Isildak, Ibrahim; Cubuk, Osman; Altikatoglu, Melda; Yolcu, Murat; Erci, Vildan; Tinkilic, Nihat (Elsevier Science Bv, 2012)A novel, highly sensitive and stable conductometric biosensor for creatinine determination is developed. The biosensor is based on solid-state contact ammonium-sensitive sensor. Creatininase is chemically immobilized on ... -
pH and antioxidant measurements in rats with testicular torsion and their correlation with viability
Cil, Asudan Tugce Bozkurter; Bicakci, Unal; Isildak, Ibrahim; Ariturk, Ender (W B Saunders Co-Elsevier Inc, 2016)Purpose: Testicular torsion (TT) is a urologic emergency and to make an instant decision about the fate of the torsioned testis based just on the macroscopic features is a dilemma. A quantitative method to evaluate the ... -
A simple flow injection spectrophotometric determination method for iron(III) based on O-acetylsalicylhydroxamic acid complexation
Andac, Muberra; Asan, Adem; Isildak, Ibrahim (Springer International Publishing Ag, 2009)A simple and rapid flow-injection spectrophotometric method for the determination of iron(III) and total iron is proposed. The method is based on the reaction between iron(III) and O-acetylsalicylhydroxamic acid (AcSHA) ... -
A Simple flow-injection spectrofluorimetric method for the determination of mercury
Andac, Muberra; Asan, Adem; Tinkilic, Nihat; Isildak, Ibrahim (Springer/Plenum Publishers, 2007)A highly sensitive flow-injection spectrofluorimetric method is presented for the rapid and simple determination of Hg (11) in environmental and pharmaceutical samples. Murexide (ammonium purpurate) was used as the ... -
Simultaneous Analysis of Monovalent Anions and Cations with a Sub-Microliter Dead-Volume Flow-Through Potentiometric Detector for Ion Chromatography
Dumanli, Rukiye; Attar, Azade; Erci, Vildan; Isildak, Ibrahim (Oxford Univ Press Inc, 2016)A microliter dead-volume flow-through cell as a potentiometric detector is described in this article for sensitive, selective and simultaneous detection of common monovalent anions and cations in single column ion ... -
Trace analysis of amines in cheese serum with liquid chromatographic potentiometric detection by using amine-selective electrode
Aydin, Rukiye; Asan, Adem; Attar, Azade; Isildak, Ibrahim (Elsevier, 2019)A trace quantification liquid chromatographic-potentiometric method for the determination of amines in cheese serum is described. An all solid-state contact polyvinyl chloride membrane amine-selective electrode was prepared ... -
A very sensitive flow-injection spectrophotometric determination method for iron (II) and total iron using 2 ', 3, 4 ', 5, 7-pentahydroxyflavone
Asan, Adem; Aydin, Rukiye; Semiz, Deniz Karsli; Erci, Vildan; Isildak, Ibrahim (Springer, 2013)In this study, an ultra-sensitive and highly selective, rapid flow-injection spectrophotometric method for the determination of iron (II) and total iron has been proposed. The method was based on the reaction between iron ...