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Open AccessArticle

Adsorption of Sulfamethazine Drug onto the Modified Derivatives of Carbon Nanotubes at Different pH

1
Department of General and Physical Chemistry, Faculty of Sciences, University of Pécs, Ifjúság 6, H-7624 Pécs, Hungary
2
Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary
3
János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary
4
CycloLab Cyclodextrin Research & Development Laboratory, Ltd., Illatos 7, H-1097 Budapest, Hungary
*
Author to whom correspondence should be addressed.
Academic Editor: Tibor Pasinszki
Molecules 2020, 25(11), 2489; https://doi.org/10.3390/molecules25112489
Received: 4 May 2020 / Revised: 24 May 2020 / Accepted: 26 May 2020 / Published: 27 May 2020
(This article belongs to the Special Issue Nanomaterials for Everyday Life)
The sulfamethazine drug interaction with carbon nanotubes was investigated with the aim of improving the adsorption capacity of the adsorptive materials. Experiments were performed to clarify how the molecular environment affects the adsorption process. Single-walled carbon nanotubes have a higher removal efficiency of sulfamethazine than pristine or functionalized multi-walled carbon nanotubes. Although the presence of cyclodextrin molecules improves the solubility of sulfamethazine, it reduces the adsorption capacity of the carbon nanotube towards the sulfamethazine drug and, therefore, inhibits the removal of these antibiotic pollutants from waters by carbon nanotubes. View Full-Text
Keywords: sulfamethazine; carbon nanotubes; β-cyclodextrin; water purification sulfamethazine; carbon nanotubes; β-cyclodextrin; water purification
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Mohamed Ameen, H.; Kunsági-Máté, S.; Noveczky, P.; Szente, L.; Lemli, B. Adsorption of Sulfamethazine Drug onto the Modified Derivatives of Carbon Nanotubes at Different pH. Molecules 2020, 25, 2489.

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