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Radon concentration measurements at a university campus in Turkey

Altınsöz, Melekşah; Alğın, Emel; Aşıcı, Celal (2016)

In this study we measured radon (222Rn) concentrations in offices at the Meselik campus of EskisehirOsmangazi University to estimate the effective dose of222Rn and its progeny for office occupants. The measurementswere ...

Rapid direct spectrophotometric determination of zirconium(IV) in alloys with 2,2 ',3,4-tetrahydroxy-3 '-sulpho-5 '-carboxyazobenzene reagent

Uysal, Ülkü Dilek; Hüseyinli, A. Ali; Güray, Tufan (Natl Inst Science Communication-Niscair, 2011)

In this study, 2, 2, 3, 4-tetrahydroxy-3'-sulpho-5'-carboxyazobenzene (tetrahydroxyazon SC) has been synthesized for the first time and used for direct spectrophotometric determination of zirconium(IV). Tetrahydroxyazon ...

Rapid real-time detection of procalcitonin using a microcontact imprinted surface plasmon resonance biosensor

Şener, gülsu; Özgür, Erdoğan; Rad, Abbas Yousefi; Uzun, Lokman; Say, Rıdvan; Denizli, Adil (Royal Soc Chemistry, 2013)

Procalcitonin (PCT) is a promising biomarker for identification of the origin and severity of sepsis, which is a deadly body infection. In this work, we report the preparation of a surface plasmon resonance (SPR) biosensor ...

The reaction of thiophenoxide with amino-substituted chloro-cyclotriphosphazenes

İbişoğlu, Hanife; Dal, Hakan; Hökelek, Tuncer; Kılıç, Adem; Un, İlker; Vardi, Sinan (Pergamon-Elsevier Science LTD, 2009)

In the present work, a series of aminocyclotriphosphazene containing sulfur group compounds have been synthesised and characterised by elemental analysis, mass (MS), (1)H and (31)P NMR spectroscopies. The formation of ...

Redundant Sb condensation on GaSb epilayers grown by molecular beam epitaxy during cooling procedure

Arpapay, B.; Şahin, S.; Arıkan, Bülent; Serincan, Uğur (Elsevier Science Sa, 2014)

The effect of four different cooling receipts on the surface morphologies of unintentionally-doped GaSb epilayers on GaSb (100) substrates grown by molecular beam epitaxy is reported. Those receipts include three different ...

A Reflectometric Interferometric Nanosensor for Sarcosine

Emir Diltemiz, Sibel; Uslu, Okan (Wiley-Blackwell, 2015)

Sarcosine was recently identified as a differential metabolite that is present in urine in elevated concentration as prostate cancer develops metastases. The aim of this study is to prepare reflectometric interference ...

Reformulation of electromagnetic and gravito-electromagnetic equations for Lorentz system with octonion algebra

Tanışlı, Murat; Kansu, Mustafa Emre; Demir, Süleyman (Springer/Plenum Publishers, 2014)

In this paper, the real, complex octonion algebra and their properties are defined. The electromagnetic and gravito-electromagnetic equations with monopoles in terms of S and S' reference systems are presented in vector ...

Reformulation of electromagnetism with octonions

Tolan, T.; Özdaş, Kudret; Tanışlı, Murat (Soc Italiana Fisica, 2006)

In this paper, the octonion algebra and its general properties are defined by two different multiplication rules for octonion units. The field equations, potential and Maxwell equations for electromagnetism are investigated ...

Reformulation of Multifluid Plasma Equations in Terms of Spacetime Algebra

Demir, Süleyman; Tanışlı, Murat; Şahin, Neslihan; Kansu, Mustafa Emre (Korean Physical Soc, 2018)

Using the exact isomorphism between multifluid plasma theory and classical electromagnetism, we apply the theorems and techniques of spacetime algebra to the multifluid equations of a plasma in order to present a new ...

Removal of Acid Orange 7 from water by electrochemically generated Fenton's reagent

Özcan, Ali; Oturan, Mehmet A.; Oturan, Nihal; Şahin, Yücel (Elsevier Science BV, 2009)

The removal of azo dye Acid Orange 7 (AO7) from water was investigated by the electro-Fenton technology using electrogenerated hydroxyl radicals ((OH)-O-center dot) which leads to the oxidative degradation of AO7 LIP to ...

Removal of aluminium by Alizarin Yellow-attached magnetic poly(2-hydroxyethyl methacrylate) beads

Denizli, Adil; Say, Rıdvan; Piskin, E (Elsevier Science BV, 2003)

Since the discovery of the implication of aluminium in dialysis encephalopathy, much progress has been made in the preparation of dialysis water from which the metal is now virtually excluded. In this study, Alizarin ...

Removal of calcium and magnesium using polyaniline and derivatives modified PVDF cation-exchange membranes by Donnan dialysis

Şahin, Mutlu; Görçay, Hakan; Kir, Esengül; Şahin, Yücel (Elsevier Science BV, 2009)

In this work, polyaniline (PAni), poly-n-ethylaniline, poly-n-methylaniline and poly-o-anisidine were prepared by chemical polymerization. 1,3 (6 or 7)-napthalenetrisulfonic acid was used for the first time in the literature ...

Removal of chromium(VI) ions from synthetic solutions by the fungus Penicillium purpurogenum

Say, Rıdvan; Yılmaz, N; Denizli, Adil (Wiley, 2004)

The ability of Penicillium purpurogenum to bind high amounts of chromium(VI) from aqueous solutions is demonstrated. Cr(VI) adsorption capacity increases with time during the first four hours and then leveled off toward ...

Removal of heavy metal ions by dithiocarbamate-anchored polymer/organosmectite composites

Say, Rıdvan; Birlik, Ebru; Denizli, Adil; Ersöz, A (Elsevier Science BV, 2006)

In this study, the dithiocarbamate-anchored polymer/organosmectite composites were prepared for the removal of heavy metal ions (lead, cadmium and chromium) from aqueous media containing different amounts of these ions ...

Removal of heavy metal ions from aquatic solutions by membrane chromatography

Denizli, Adil; Say, Rıdvan; Arıca, Y (Elsevier Science BV, 2000)

Polyvinylalcohol membranes were prepared by a solvent casting technique. Metal-complexation ligand, i.e. monochlorotriazinyl-dye Cibacron Blue F3GA was then attached. These membranes with a high water content of 119%, and ...

Removal of heavy metal ions using the fungus Penicillium canescens

Say, Rıdvan; Yimaz, N; Denizli, Adil (Multi Science Publ Co LTD, 2003)

The potential use of the fungus Penicillium canescens for the removal of cadmium, lead, mercury and arsenic ions from aqueous solutions was evaluated in this study. Equilibrium biosorption of the heavy metal ions was ...

Removal of lead (II) and nickel (II) ions from aqueous solution using activated carbon prepared from rapeseed oil cake by Na2CO3 activation

Uçar, Suat; Erdem, Murat; Tay, Turgay; Karagöz, Selhan (Springer, 2015)

In this study, rapeseed oil cake as a precursor was used to prepare activated carbons by chemical activation with sodium carbonate (Na2CO3) at 600 and 800 A degrees C. The activated carbon with the highest surface area of ...