Browsing by Author "Karadag, E"
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Acrylamide/maleic acid hydrogels
Saraydin, D; Karadag, E; Guven, O (JOHN WILEY & SONS LTD, 1995)Acrylamide/maleic acid hydrogels in the form of rods were prepared by gamma-irradiating ternary mixtures of acrylamide-maleic acid-water with 2.00-5.71 kGy gamma-rays. The influence of dose and relative content of maleic ... -
Adsorption of some anionic azo dyes onto crosslinked poly(N-vinylpyrrolidone) from aqueous solutions
Saraydin, D; Karadag, E (EDITURA ACAD ROMANE, 1998)In this study, bindings of anionic azo dyes containing sulphonyl group such as acid red 26, acid red 103, direct yellow 9, acid black 1 and acid orange 52 onto crosslinked poly(N-vinylpyrrolidone) (CPVP) have been investigated. ... -
Adsorption of some basic dyes by acrylamide-maleic acid hydrogels
Saraydin, D; Karadag, E; Guven, O (MARCEL DEKKER INC, 1996)In this study, acrylamide-maleic acid (AAm/MA) hydrogels containing different quantities of maleic acid have been irradiated with gamma-radiation. They have been used in experiments on swelling, diffusion, and the adsorption ... -
Behaviors of acrylamide itaconic acid hydrogels in uptake of uranyl ions from aqueous solutions
Karadag, E; Saraydin, D; Guven, O (MARCEL DEKKER INC, 1995)In this study, adsorptions of uranyl ions from two different aqueous uranyl solutions by acrylamide-itaconic acid hydrogels were investigated by a spectroscopic method. The hydrogels were prepared by irradiating with ... -
Behaviors of acrylamide/maleic acid hydrogels in uptake of some cationic dyes from aqueous solutions
Saraydin, D; Karadag, E; Guven, O (MARCEL DEKKER INC, 1996)Acrylamide/maleic acid (AAm/MA) hydrogels prepared by irradiating with gamma-radiation were used in experiments on swelling, diffusion, and uptake of some cationic dyes such as basic red 9 (BR-9), basic green 4 (BG-4), ... -
Binding of some dyes onto crosslinked poly (N-vinylpyrrolidone)
Saraydin, D; Karadag, E (SPRINGER, 2000)Bindings of some anionic dyes containing sulfonyl group(s), namely, Acid Blue 74 (AB-74), Acid Orange 7 (AO-7), Acid Green I (AG-1), Direct Blue 53 (DB-53), and Calconcarbosylic acid (CCA) onto crosslinked poly(N-vinylpyrrolidone) ... -
Cationic dye adsorption by acrylamide itaconic acid hydrogels in aqueous solutions
Karadag, E; Saraydin, D; Guven, O (JOHN WILEY & SONS LTD, 1997)Acrylamide/itaconic acid (AAm/IA) hydrogels containing different quantifies of itaconic acid have been irradiated with gamma radiation. The hydrogels were used in an experiment concerning the adsorption of cationic dyes ... -
A comparison of adsorption isotherms of crosslinked poly(N-vinylpyrrolidone) basic brown 1 binding system
Saraydin, D; Karadag, E (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY, 1996)In this study, the binding of a basic dye such as basic brown 1 [BB 1] onto a crosslinked poly(N-vinylpyrrolidone) [CPVP] was investigated. Adsorption of the azo dye onto the CPVP was studied by the batch adsorption technique ... -
Dynamic swelling behavior of gamma-radiation induced polyelectrolyte poly(AAm-co-CA) hydrogels in urea solutions
Karadag, E; Uzum, OB; Saraydin, D; Guven, O (ELSEVIER SCIENCE BV, 2005)The aim of this study was to investigate the equilibrium swelling properties in urea solutions of gamma-radiation induced polyelectrolyte copolymeric hydrogels consisting of acrylamide (AAm) and crotonic acid (CA). ... -
Immobilization of Saccharomyces cerevisiae on to acrylamide-sodium acrylate hydrogels for production of ethyl alcohol
Oztop, HN; Oztop, AY; Karadag, E; Isikver, Y; Saraydin, D (ELSEVIER SCIENCE INC, 2003)Acrylamide/sodium acrylate (AAm/SA) copolymers, prepared by using various crosslinkers, were used in experiments on swelling, diffusion, immobilization of yeast cells (Saccharomyces cerevisiae) and production of ethyl ... -
In vitro dynamic swelling behaviors of radiation synthesized polyacrylamide with crosslinkers in the simulated physiological body fluids
Saraydin, D; Isikver, Y; Karadag, E; Sahiner, N; Guven, O (ELSEVIER SCIENCE BV, 2002)Acrylamide hydrogels, containing different amounts and types of crosslinkers, were synthesized via gamma-irradiation technique. Their swellings in simulated body fluids, such as physiological saline (0.89% NaCl) isoosmotic ... -
In vitro swelling studies and preliminary biocompatibility evaluation of acrylamide-based hydrogels
Karadag, E; Saraydin, D; Cetinkaya, S; Guven, O (ELSEVIER SCI LTD, 1996)In this in vitro study, the biocompatibility of acrylamide-based hydrogels such as acrylamide/crotonic and acrylamide/itaconic acid, prepared by using gamma-rays, has been investigated against some biochemical parameters ... -
In vivo biocompatibility of radiation crosslinked acrylamide copolymers
Saraydin, D; Unver-Saraydin, S; Karadag, E; Koptagel, E; Guven, O (ELSEVIER SCIENCE BV, 2004)In vitro swelling and in vivo biocompatibility of radiation crosslinked acrylamide copolymers such as acrylamide/crotonic acid (AAm/CA) and acrylamide/itaconic acid (AAm/IA) were studied. The swelling kinetics of acrylamide ... -
In vivo biocompatibility of radiation induced acrylamide and acrylamide/maleic acid hydrogels
Saraydin, D; Koptagel, E; Unver-Saraydin, S; Karadag, E; Guven, O (KLUWER ACADEMIC PUBL, 2001)In vitro swelling and in vivo biocompatibility of radiation induced acrylamide (AAm) and acrylamide/maleic acid (AAm/MA) hydrogels were investigated. The swelling kinetics of AAm and AAm/MA hydrogels of are investigated ... -
Incorporation of malonic acid into acrylamide hydrogel by radiation technique and its effect on swelling behavior
Saraydin, D; Karadag, E; Sahiner, N; Guven, O (KLUWER ACADEMIC PUBL, 2002)Different amounts of malonic acid (MAc) containing acrylamide (AAm) hydrogels were obtained in the form of rods via a radiation technique. Swelling experiments were performed in water at 25 degreesC, gravimetrically. The ... -
Influence of some amino acids on the dynamic swelling behavior of radiation-induced acrylamide hydrogel
Saraydin, D; Oztop, HN; Karadag, E; Caldiran, Y; Guven, O (HUMANA PRESS INC, 1999)The influence of some amino acids-alanine, glycine, valine, glutamine, histidine, phenylalanine, and tryptophan-on the swelling behavior of acrylamide (AAm) hydrogel prepared by gamma-radiation was investigated. Swelling ... -
Influence of some aromatic amino acids on the swelling behavior of acrylamide/maleic acid hydrogel
Oztop, HN; Saraydin, D; Karadag, E; Caldiran, Y; Guven, O (SPRINGER VERLAG, 1998)Influence of some aromatic amino acids (histidine, phenylalanine and tryptophan) on the swelling behavior of acrylamide/maleic acid hydrogel (AAm/MA) prepared by gamma-radiation was investigated. Swelling tests of AAm/MA ... -
Influence of some crosslinkers on the swelling of acrylamide crotonic acid hydrogels
Karadag, E; Saraydin, D; Guven, O (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY, 1997)Acrylamide-crotonic acid hydrogels in the form of rods are prepared by gamma-irradiation of quaternary mixtures of acrylamide-crotonic acid-crosslinker-water with 2.6 and 5.2 kGy gamma-rays. The influence of the applied ... -
Interaction of nicotine and its pharmaceutical derivatives with acrylamide/itaconic acid hydrogels
Karadag, E; Saraydin, D; Guven, O (JOHN WILEY & SONS INC, 1997)Acrylamide/itaconic acid hydrogels (AAm/IA) containing different amounts of itaconic acid prepared by irradiating with gamma radiation were used in experiments on swelling, diffusion, and interactions of the pharmaceuticals ... -
Interaction of some cationic dyes with acrylamide/itaconic acid hydrogels
Karadag, E; Saraydin, D; Guven, O (JOHN WILEY & SONS INC, 1996)Acrylamide/itaconic acid (AAm/IA) hydrogels prepared by irradiating with gamma radiation were used in experiments on uptake of some cationic dyes such as union green B (UG-B), basic blue 17 (BB-17), basic red 2 (BR-2), and ...