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Laboratories |
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Radiation & Polymer Science |
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2009
M. Barsbay, O. Güven, T. P. Davis, C. Barner-Kowollik, L. Barner, RAFT-mediated polymerization and grafting of 4-styrenesulfonate form cellulose initiated via gamma-radiation, Polymer, 50, 973-982, 2009. PDF
2008
E. Catıker, O. Güven, Ö. Özarslan, M. Chipara, ESR investigations on c-ray irradiated 3-methyl nylon 3, Nucl. Instr. and Meth. B, 266, 3100–3106 (2008) PDF
B. Gülbakan, C. Uzun, ö. Çelikbıçak, O. Güven, B. Salih, Solid phase extraction of organochlorine pesticides with modified poly (styrene-divinylbenzene) microbeads using home-made solid phase extraction syringes, Reactive & Functional Polymers 68, 580–593, (2008) . PDF
H. Aşkun, B. Gülbakan, Ö. Çelikbıçak, C. Uzun, O. Güven, B. Salih, Preconcentration and Matrix Elimination for the Determination of Pb(II), C (II), Ni(II), and Co(II) by 8-Hydroxyquinoline Anchored Poly(styrene divinylbenzene) Microbeads, Journal of Applied Polymer Science, 107, 2714–2722 (2008). PDF
N. Pekel, O. Güven, Spectroscopic and thermal studies of poly[(N-vinylimidazole)-co-(maleic acid)] hydrogel and its quaternized form, Polym Int, 57, 637–643 (2008). PDF
D. Şolpan, M. Torun, O. Güven, The Usability of (Sodium Alginate/Acrylamide) Semi-Interpenetrating Polymer Networks on Removal of Some Textile Dyes, Journal of Applied Polymer Science, 108, 3787–3795 (2008) PDF
D. Şolpan M. Şen, Z. Kölge, O. Güven, Adsorption of Apollo reactive dyes on poly(N,N dimethylamino ethylmethacrylate) hydrogels, Radiation Physics and Chemistry 77 (2008) 428–433 PDF
2007
M. Şen, B. Yolaçan, O. Güven, Radiation-induced degradation of galactomannan polysaccharides, Nucl. Instr. and Meth. B, 265, 429-433, (2007) PDF
D. Tahtat, C. Uzun, M. Mahlous, O. Güven, Beneficial effect of gamma irradiation on the N-deacetylation of chitin to form chitosan, Nucl. Instr. and Meth. B, 265, 425-428, (2007) PDF
G.A. Mun, Z.S. Nurkeeva, G.S. Irmukhametova, O. Guven, Synthesis, characterization and adsorption study of the uranyl ions by hydrogels based on polyethylene glycol and methacrylic acid copolymers, Nucl. Instr. and Meth. B, 265, 379-384 , (2007) PDF
N. Mahmudi, M. Şen, S. Rendevski, O. Güven, Radiation synthesis of low swelling acrylamide based hydrogels and determination of average molecular weight between cross-links, Nucl. Instr. and Meth. B, 265, 375-378, (2007) PDF
B. Karaağaç, Murat Şen, V. Deniz, O. Güven Recycling of gamma irradiated inner tubes in butyl based rubber compounds, Nucl. Instr. and Meth. B, 265, 290-293, (2007) PDF
A. Aytaç, M. Şen, V. Deniz, O. Güven, Effect of gamma irradiation on the properties of tyre cords, Nucl. Instr. and Meth. B, 265, 271-275, (2007) PDF
P. A. Kavaklı, C. Kavaklı, N. Seko, M. Tamada, O. Güven, Radiation-induced grafting of dimethylaminoethylmethacrylate onto PE/PP nonwoven fabric, Nucl. Instr. and Meth. B, 265, 204-207 (2007) PDF
D.E. Zhunuspayev, G.A. Mun, A.V. Dubolazov, Z.S. Nurkeeva and O. Güven, Radiation-chemical synthesis of thermosensitive copolymers based on the vinylbutyl ether and their complexing and emulgating abilities, Nucl. Instr. and Meth. B, 265, 76-81, (2007) PDF
M. Haji-Saeid, M.H. Sampa, N. Ramamoorthy, O. Güven and A.G. Chmielewski, The role of IAEA in coordinating research and transferring technology in radiation chemistry and processing of polymers, Nucl. Instr. and Meth. B, 265, 51-57, (2007) PDF
M. Barsbay, O. Güven, M. H. Stenzel, T. P. Davis, C. Barner-Kowollik, L. Barner, Verification of Controlled Grafting of Styrene from Cellulose via Radiation-Induced RAFT Polymerization, Macromolecules, 40, 7140-7147, (2007) PDF
N. Djourelov, Z. Ateş, O. Güven, M. Misheva, T. Suzuki, Positron annihilation lifetime spectroscopy of molecularly printed hydroxyethyl methacrylate based polymers, , Polymer, 48, 2692-2699, (2007) PDF
H. Bodugöz, O. Güven, N. A. Peppas, Glucose recognition capabilities of hydroxyethyl methacrylate based hydrogels containing poly(ethylene glycol) chains, J. Appl. Polym. Sci., 103, 432–441 (2007) PDF
Olgun Güven, Radiation-induced conductivity control in polyaniline blends/composites, Radiation Physics and Chemistry 76, 1302–1307, (2007) PDF
P. Akkaş, Z. Yılmaz, M. Şen, Investigation of Heavy Metal Ion Adsorption Characteristics of Poly(N,N Dimethylamino Ethylmethacrylate) Hydrogels”, Separation Science and Technology, 42, 1245, 2007. PDF
Tuncer Caykara, Serife Sirin Alaslan, Metin Gürü, Hatice Bodugoz, Olgun Güven, Preparation and characterization of poly(isobutyl methacrylate) microbeads with grafted amidoxime groups, Radiation Physics and Chemistry, 000, 00, (2007) PDF
Erem Bilensoy, Lale Doğan, Murat Şen, Atilla Hıncal, “Complexation behavior of antiestrogen drug tamoxifen citrate with natural and modified b- cyclodextrins”, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 57, 651, 2007. PDF
Erem Bilensoy, Yasemin Çırpanlı, Murat Şen, A. Lale Doğan, Sema Çalış, “Thermosensitive mucoadhesive gel formulation loaded with 5-Fu:cyclodextrin complex for HPV-induced cervical cancer” , Journal of Inclusion Phenomena and Macrocyclic Chemistry, 57, 363, 2007. PDF
Pınar Akkas Kavaklı, Noriaki Seko, Masao Tamada, Olgun Güven, Radiation-Induced Graft Polymerization of GlycidylMethacrylate Onto PE/PP Nonwoven Fabric and Its Modification Toward Enhanced Amidoximation, Journal of Applied Polymer Science, 105, 1551–1558 (2007) PDF
2006
Z. Yılmaz, P. Akkaş, M. Şen, O. Güven, “Removal of nitrite ions from aqueous solutions by poly(N,N dimethylamino ethylmethacrylate) hydrogels”, Journal of Applied Polymer Science, 102, 6023, 2006. PDF
E. Memisoglu-Bilensoy, M. Şen, Atilla A. Hincal “Effect of drug physicochemical properties on in vitro characteristics of amphiphilic cyclodextrin nanospheres and nanocapsules”, Journal of Microencapsulation, 23(1), 59, (2006). PDF
Şen M. Çopuroğlu, “Influence of Gamma Irradiation on the Ageing Characteristics of Poly(ethylene-co-vinyl acetate) and Poly(ethylene-co-vinyl acetate)/Carbon Black Mixture” Thermal Analysis and Calorimetry, 86(1), 223-227, 2006. PDF
E.Memisoglu-Bilensoy, M. Abdur Rouf, Imran Vural, M. Şen, Atilla A., Hincal, "Mucoadhesive, thermosensitive, prolonged-release vaginal gel for clotrimazole: beta-cyclodextrin Complex", AAPS PHARMSCI , vol 7(2) Article 38, 2006. PDF
G.S. Azhgozhinova, O. Güven, N. Pekel, A.V. Dubolazov, G.A. Mun, Z.S. Nurkeeva, Complex formation of linear poly(methacrylic acid) with uranyl ions in aqueous solutions, , J. Colloid & Interface Sci., 278, 155 (2004) PDF
Çaykara, R. İnam, Z. Öztürk, O. Güven, Determination of the complex formation constants for some water-soluble polymers with trivalent metal ions by differential pulse polarography, Colloid and Polym. Sci., 282, 1282 (2004) PDF
2005
B.Taşdelen, N.Kayaman Apohan, O.Güven, B.M.Baysal, Anticancer drug release from poly(N-isopropylacrylamide/itaconic acid) copolymeric hydrogels, Radiat. Phys. Chem, 73, 340-345 (2005) PDF
M. Çopuroğlu, M. Şen, “A comparative study of UV ageing characteristics of poly(ethylene-co-vinylacetate)and poly(ethylene-co-vinyl acetate)/carbon black mixture” Polymers for Advanced Technologies, 16, 61-66, (2005).
M. Şen and A.Yakar, “Enhancement of copolymerization of Itaconic acid with N-vinyl 2-pyrrolidone chemically and by radiation induced cross-linking “Nuclear Instruments and Methods in Physics Research B, 234, 226-234, (2005). PDF
M. Şen and E. N. Avcı “Radiation Synthesis of Poly(vinyl pyrrolidone)-Kappa Carrageenan hydrogels and Their use wound dressing applications, I : Preliminary Laboratory Tests” Journal of Biomedical Materials Research: A, 74A, 187-196, (2005). PDF
M. Şen and M. Sarı “Radiation synthesis and characterization of poly(N, N - dimethylaminoethyl methacrylate-co- N-vinyl 2-pyrrolidone) hydrogels” European Polymer Journal, 41, 1304-1314, (2005). PDF
M. Şen, M. Çopuroğlu, “A comparative study of gamma irradiation of poly (ethylene-co-vinyl acetate) and poly(ethylene-co-vinyl acetate)/carbon black mixture” Material Science and Engineering, 93, 154-158, (2005). PDF
P. Akkas-Kavaklı, N. Seko, M. Tamada, O. Güven, A highly efficient chelating polymer for the adsorption of uranyl and vanadyl ions at low concentrations, Adsorption, 10, 309 (2005) PDF
E. Karadag, O.B. Uzum, D. Saraydin, O.Güven, Dynamic swelling Behavior of Gamma-Induced Polyelectrolyte Poly(Aam-CA) Hydrogels in Urea Solutions, ), Int. Jour. Pharmaceutics, 301, 102-111 (2005) PDF
N.Pekel, B.Salih, O.Güven, Enhancement of stability of glucose oxidase by immobilization onto metal ion chelated poly(N-vinyl imidazole) hydrogels,. J.Biomat. Sci. Polym. E., 16(2), 253-266 (2005) PDF
A. V. Dubolazov, O.Güven, N. Pekel, G. A. Mun,. Z. S.Nurkeeva, Factors affecting the complexation of poly(acrylic acid) with uranyl ions in aqueous solutions: A luminescence study, . J. Polym. Sci. Polym. Phys., 43, 2737-2744 (2005) PDF
Betül Tasdelen, Nilhan Kayaman-Apohan, Zü lal MısIrlI, Olgun Güven,, Bahattin M. Baysal, Preparation, Characterization, and Drug-Release Properties of Poly(N isopropylacrylamide) Microspheres Having Poly(Itaconic Acid) Graft Chains, Journal of Applied Polymer Science, 97, 1115–1124 (2005) PDF
2004
M. Copuroglu, M. Şen,"A Comparative Study of Thermal Ageing Characteristics of Poly(Ethylene-Co-Vinyl Acetate) And Poly(Ethylene-Co-Vinyl Acetate)/Carbon Black Mixture" Polymer for Advanced Technologies, 15, 393-399(2004) PDF File N. Pekel and O. Güven, “Separation of heavy metal ions by complexation on poly (N-vinyl-imidazole) hydrogels” Polym. Bull. 51, 307-314. N. Pekel, N. Şahiner, O. Güven, “Thermodynamics of adsorption of uranyl ions onto amidoximated poly (acrylonitrile)/poly (N-vinyl 2-pyrrolidone) interpenetrating polymer networks” J. Polym.Sci.Part B: Polym. Phys. 42, 986-993. N. Pekel, F. Yoshii, T. Kume, O. Güven, “Radiation crosslinking of biodegradable hydroxypropylmethyl cellulose” Carbohydrate Polym. 55(2), 139-147. A.V. Dubolazov, O. Güven, N. Pekel, G.S. Azhgozhinova, G.A. Mun, Z.S. Nurkeeva, Electrochemical, spectroscopic and thermal studies on interactions of linear poly(acrylic acid) with uranyl ions in aqueous solutions, J. Polym. Sci. Polym. Phys. Ed., 42, 1610 (2004) PDF
N. Pekel, Z.M.O.Rzaev, O. Güven, “Synthesis and characterization of poly(N-vinylimidazole-co-acrylonitrile) and determination of monomer reactivity ratios” Macromol. Chem. Phys. 205(8), 1088-1095, (2004). PDF
Betül Tasdelen, Nilhan Kayaman-Apohan,Olgun Güven,Bahattin M. Baysal, Poly(N-isopropylacrylamide/itaconic acid) Copolymeric Hydrogels in Water and Aqueous Solutions of Drugs, Journal of Applied Polymer Science, 91, 911–915 (2004) PDF
B. Tasdelen, N. Kayaman-Apohan, O. Güven and B. M. Baysal, Investigation of drug release from thermo- and pH-sensitive poly(N-isopropylacrylamide/itaconic acid) copolymeric hydrogels, Polym. Adv. Technol. 15: 528–532, (2004) PDF
B.Tasdelen, N. Kayaman-Apohan, O. Güven, B.M. Baysal, pH thermoreversible hydrogels. I. Synthesis and characterization of poly(N-isopropylacrylamide/maleic acid) copolymeric hydrogels, Radiation Physics and Chemistry, 69, 303–310, (2004) PDF
Erdener Karadag, Dursun Saraydin, Olgun Güven, Water absorbency studies of gamma radiation crosslinked poly(acrylamide-co-2,3-dihydroxybutanedioic acid) hydrogels, Nuclear Instruments and Methods in Physics Research B 225, 489–496, (2004) PDF
Pınar Akkas Kavaklı, Cengiz Uzun, Olgun Güven, Synthesis, characterization and amidoximation of a novel polymer: poly(N,N0-dipropionitrile acrylamide) Reactive & Functional Polymers, 000, 000, (2004) PDF
P. Akkas Kavaklı, O. Güven, Removal of concentrated heavy metal ions from aqueous solutions using polymers with enriched amidoxime groups, J. Appl. Polym. Sci., 93, 1705 (2004) PDF
P. Akkas-Kavaklı, N. Seko, M. Tamada, O. Güven, Adsorption efficiency of a new adsorbent towards uranium and vanadium ions at low concentrations, Separation Sci. Technol., 39, 1631 (2004) PDF
2003
D. Solpan, S. Duran, D. Saraydin, O. Güven, Adsorption of methyl violet in aqueous solutions by poly(acrylamide-co-acrylic acid) hydrogels, Radiation Physics and Chemistry, 66, 117–127, (2003). PDF
U.A. Sevil O. Güven A. Kov!acs, I. Slezsak, , Gamma and electron dose response of the electrical, conductivity of polyaniline based polymer composites, Radiation Physics and Chemistry 67, 575–580, (2003) PDF
N. Pekel and O. Güven, “Separation of uranyl ions with amidoximated poly (acrylonitrile/N-vinylimidazole) complexing sorbents” Coll. Surf. A: Physicochem. Eng. Asp. 212, 155-161. N. Pekel, B. Salih, O. Güven, “Activity studies of glucose oxidase immobilized onto poly(N-vinylimidazole) and metal ion-chelated poly(N-vinylimidazole) hydrogels” J. Mol. Cat. B: Enzym. 21, 273-282. M. Şen, C. Uzun, A. Safrany, Ö. Kantoğlu, O. Güven, “Changing of Network Characteristics of Acrylamide/Maleic Acid (AAm/Ma) Hydrogels by Alteration of Irradiation Dose Rate” Rad. Phys. and Chem. 67, 371-374, (2003) PDF file
E. Memişoğlu, A. Bochot, M. Özalp, Murat Şen, D. Duchene, ve A. Atilla Hincal “Direct Formation of Nanospheres from Amphiphilic b-Cyclodextrin Inclusion Complexes” Pharmaceutical Research, 20, 117-125 (2003). PDF E. Memişoglu A. Bochot, M Şen, D. Duchene, A. Atilla Hıncal, “Non-surfactant nanospheres of progesterone inclusion complexes with amphiphilic b-cyclodextrins”, International Journal of Pharmaceutics, 251, 143-153 (2003)
Şen, M. and O. Güven, “Dynamic deswelling studies of poly(N-Vinyl 2-pyrrolidone / itaconic acid) hydrogels swollen in water and terbinafine hydrochloride solutions”, European Polymer Journal, 38, 751-757, (2002). PDF file Memişoğlu, E., A. Bochot, M. Şen, D. Charon, G. Ponchel, D. Duchêne, ve A. A. Hincal “Amphiphilic b-Cyclodextrins Modified on The Primary Face: Synthesis, Characterization and Evaluation of Their Potential As Novel Excipients In the Preparation of Nanocapsules”, Journal of Pharmaceutical Science, 91, 1214-1224, (2002). PDF file N. Pekel and O. Güven, “Solvent, temperature and concentration effects on the adsorption of poly (n-butyl methacrylate) on alumina from solutions” Turkish J. Chem. 26(2), 221-227. N. Pekel, H. Savaş, O. Güven, “Complex formation and adsorption of V3+, Cr3+ and Fe3+ ions with poly(N-vinylimidazole)” Coll. Polym. Sci. 280(1), 46-51. N. Pekel, A. Güner, O. Güven, “Conductometric and viscometric investigation of poly (N-vinylimidazole)- metal ion complex formation” J. Appl. Polym. Sci. 85, 376-384. N. Pekel and O. Güven, “FT-IR Photoacoustic studies of the adsorption behavior of poly (2-hydroxypropyl methacrylate) at solid-liquid interface” J. Appl. Polym. Sci. 85, 2750-2756. N. Pekel and O. Güven, “Synthesis and characterization of poly(N-vinylimidazole) hydrogels crosslinked by gamma irradiation” Polym. Int. 51, 1404-1410. 2002 Cengiz Özyürek, Tuncer Caykara, Omer Kantoglu, Olgun Güven, Radiation synthesis of poly(N-vinyl -2- pyrrolidone)-g- tartaric acid) hydrogels and their swelling behaviours, Polymers for Advanced Technologies, 13, 87-93, (2002) PDF
D. Saraydın, E. Karadağ, N. Şahiner, O. Güven, Incorporation of malonic acid into acrylamide hydrogel by radiation technique and their usability in the uptake of uranium, J. Materials Sci., 37, 3217 (2002) PDF
2001 Şen, M. and O. Güven, “Prediction of the Swelling Behaviour of Amphophilic Hydrogels and the Determination of Average Molecular Weight Between Cross-links”. Theoretical and Computational Polymer Science 11, 475-482, (2001). PDF file Şen, M. and A. Yakar “Controlled Release of Terbinafine Hydrochloride from pH Sensitive poly(N-vinyl 2 pyrrolidone/itaconic acid) Hydrogels”, International Journal of Pharmaceutics 228, 33-41, (2001). PDF file Şen, M. and O. Güven, “The Preparation of Ultra Narrow Molecular Weight Distribution Poly(ethylene glycol)s by Fractional Crystallization from Solution”, Journal of Applied Polymer Science, 79, 1999-2005 (2001). PDF file N. Pekel, N. Şahiner, O. Güven, “Use of amidoximated acrylonitrile/N-vinyl 2-pyrrolidone interpenetrating polymer networks for uranyl ion adsorption from aqueous systems” J. Appl. Polym. Sci. 81(10), 2324-2329. N. Pekel, B. Salih, O. Güven, “A new specific metal ion chelated-poly(N-vinylimidazole) gel sorbents in albumin adsorption-desorption” Macromol. Symp. 169, 329-339. B. Salih, N. Pekel and O. Güven, “A new metal chelate sorbent for Glucose Oxidase: Cu(II) and Co(II) chelated poly (N-vinylimidazole) gels” J. Appl. Polym. Sci. 82(2), 446-453. N. Pekel, N. Şahiner, O. Güven, Z.M.O. Rzaev, “Synthesis and characterization of N-vinylimidazole-ethyl methacrylate copolymers and determination of monomer reactivity ratios” Eur. Polym. J. 37, 2443-2451. D. Saraydin, E. Karadag, Y. Caldiran, O. Güven,Nicotine-Selective RadiationInduced Poly(acryl amide/maleic acid) Hydrogels, Radiation Phys. and Chem., 60, 203 (2001) PDF
2000 M. Sen and O. Güven, Prediction of the Swelling Behavior of Amphiphilic Hydrogels and the Determination of Average Molecular Weight Between Crosslinks, Computational and Theoretical Polymer Science, 11, 475 (2000) PDF
Arslan, F., H. Tümtürk, T. Çaykara, M. Sen, ve O. Güven, “The Effect of Gel Composition on the Adsorption of Invertase on Poly (acrylamide/maleic acid) Hydrogels”, Food Chemistry 70, 33-38 (2000). PDF file Sen, M., C. Uzun and O. Güven, “Controlled Release of Terbinafine Hydrochloride from pH Sensitive poly(acrylamide/maleic acid) Hydrogels”, International Journal of Pharmaceutics , 203, 149-157 (2000). PDF file N. Pekel, N.Şahiner, P. Akkas, O. Güven, “Uranyl ion adsorptivity of N-vinyl 2-pyrrolidone/acrylonitrile copolymeric hydrogels containing amidoxime group” Polym. Bull. 44(5-6), 593-600. N. Sahiner, N. Pekel, P. Akkas, O. Güven, “Radiation synthesis and characterization of new complexing hydrogels prepared from N-vinyl 2-pyrrolidone/acrylonitrile systems” J. Macromol. Sci.Part A: Pure Appl. Chem. 37(10), 1159-1172. N. Pekel, N. Sahiner, O. Güven, “Development of new chelating hydrogels based on N-vinyl imidazole and acrylonitrile” Rad. Phys. Chem. 59(5-6), 485-49. U.A.Sevil, O.Güven, O.Birer and S.Süzer, Doping of 2-Cl-PANI/PVC Films by Exposure to UV, Gamma Rays and Electron Beams, Synthetic Metals, 110, 175 (2000) PDF |
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Nobel Prizes in Chemistry |
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Paul J. Flory (USA) won the Nobel Prize in Chemistry for his fundamental achievements, both theoretical and experimental, in the physical chemistry of the macromolecules in 1974. Click here for more... |
