NDLI: Sorption of phenols by single and mixed cyclodextrin polymers

Content Provider	Springer Nature Link
Author	Machín, Rubén Vélaz, Itziar Isasi, José Ramón
Copyright Year	2016
Abstract	Cyclodextrin (CD) hydrogels were synthesized by a crosslinking reaction with the same cyclodextrin/epichlorohydrin mole ratio (1/11) using αCD, βCD, γCD, and 50:50 mixtures of α/βCD and β/γCD. In order to investigate the sorption capacity of these hydrogels to different solutes, five model molecules have been selected: phenol, 3-nitrophenol, 4-nitrophenol, 1-naphthol, and the antiinflamatory drug diflunisal. The amounts sorbed have been related to the different affinities of the solutes. 1-naphthol shows the highest affinity for these polymers, especially in the case of sorbents containing βCD. The sorption is considerably poorer for phenol than for its nitro derivatives. The two structural isomers 3- and 4-nitrophenol show significant differences in their affinities towards αCD, βCD and α/βCD. Finally, in the case of diflunisal, a bulkier model molecule, remarkable differences were found on the sorption behaviour by polymers whose cyclodextrins have a similar affinity for this solute (βCD, γCD, and β/γCD).
Starting Page	283
Ending Page	289
Page Count	7
File Format	PDF
ISSN	13883127
Journal	Journal of Inclusion Phenomena and Macrocyclic Chemistry
Volume Number	86
Issue Number	3-4
e-ISSN	15731111
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-09-27
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cyclodextrin polymers Sorption Surface area Hydrogels Organic Chemistry Food Science Crystallography and Scattering Methods
Content Type	Text
Resource Type	Article
Subject	Chemistry Condensed Matter Physics Food Science

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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