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Dive into the research topics where Ahmet Ayar is active.

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Featured researches published by Ahmet Ayar.


Separation and Purification Technology | 2002

Effect of temperature on separation of purine and pyrimidine bases on novel chelating resin

Ahmet Ayar; Bedrettin Mercimek; Huseyin Kara; Yunus Cengeloglu

The novel chelating resin poly-bis [4-(4-biphenyl)oxamidine]-diaminoglyoxime (PLH2) has been modified as ligand-exchange material with Co(II). The possibility of using PLH2 as ligand exchanger in the chromatographic separation of nucleic acid bases and nucleosides has been studied at various temperatures. PLH2 offers the advantage of combining high sorption capacity with high selectivity for the ligands. It has a strong driving force for ligand sorption. Ligand-exchange chromatography on Co(II)-loaded functionalized PLH2 can be a useful alternative method for separation of nucleic acid bases and nucleosides.


Colloids and Surfaces B: Biointerfaces | 2004

BIOSORPTION OF NICKEL(II) AND COPPER(II) IONS FROM AQUEOUS SOLUTION BY STREPTOMYCES COELICOLOR A3(2)

Ayten Öztürk; Tuba Artan; Ahmet Ayar


Journal of Hazardous Materials | 2007

Adsorptive removal of Methylene blue and Methyl orange from aqueous media by carboxylated diaminoethane sporopollenin: on the usability of an aminocarboxilic acid functionality-bearing solid-stationary phase in column techniques.

Ahmet Ayar; Orhan Gezici; Muhittin Küçükosmanoğlu


Separation and Purification Technology | 2006

The adsorption behaviors of Methylene Blue and Methyl Orange in a diaminoethane sporopollenin-mediated column system

Muhittin Küçükosmanoğlu; Orhan Gezici; Ahmet Ayar


Separation and Purification Technology | 2007

Sorption behavior of Cu(II) ions on insolubilized humic acid under acidic conditions: An application of Scatchard plot analysis in evaluating the pH dependence of specific and nonspecific bindings

Orhan Gezici; Huseyin Kara; Ahmet Ayar; Mustafa Topkafa


Journal of Hazardous Materials | 2005

Removal of aniline from aqueous solution by PVC-CDAE ligand-exchanger.

A. Ali Gürten; Selma Y. Uçan; M. Ali Özler; Ahmet Ayar


Journal of Colloid and Interface Science | 2006

The adsorption behavior of crystal violet in functionalized sporopollenin-mediated column arrangements.

Orhan Gezici; Muhittin Küçükosmanoğlu; Ahmet Ayar


Colloids and Surfaces A: Physicochemical and Engineering Aspects | 2002

Sorption equilibria of chlorinated anilines in aqueous solution on resin-bound cobalt ion

Mustafa Uçan; Ahmet Ayar


Desalination | 2008

On the removal of some phenolic compounds from aqueous solutions by using a sporopollenin-based ligand-exchange fixed bed — Isotherm analysis

Ahmet Ayar; Selçuk Gürsal; A. Ali Gürten; Orhan Gezici


Colloids and Surfaces A: Physicochemical and Engineering Aspects | 2003

Determination of the rate control step of chlorinated anilines in ligand exchange reactions on solid phase by using breakthrough technique

Mustafa Uçan; A. Ali Gürten; Ahmet Ayar

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