Physical Removal of Anions from Aqueous Media by Means of a Macrocycle-Containing Polymeric Network

Handle URI:
http://hdl.handle.net/10754/627273
Title:
Physical Removal of Anions from Aqueous Media by Means of a Macrocycle-Containing Polymeric Network
Authors:
Ji, Xiaofan; Wu, Ren-Tsung; Long, Lingliang ( 0000-0002-3589-2075 ) ; Guo, Chenxing; Khashab, Niveen M. ( 0000-0003-2728-0666 ) ; Huang, Feihe ( 0000-0003-3177-6744 ) ; Sessler, Jonathan L. ( 0000-0002-9576-1325 )
Abstract:
Reported here is a hydrogel-forming polymer network that contains a water-soluble tetracationic macrocycle. Upon immersion of this polymer network in aqueous solutions containing various inorganic and organic salts, changes in the physical properties are observed that are consistent with absorption of the constituent anions into the polymer network. This absorption is ascribed to host-guest interactions involving the tetracationic macrocyclic receptor. Removal of the anions may then be achieved by lifting the resulting hydrogels out of the aqueous phase. Treating the anion-containing hydrogels with dilute HCl leads to the protonation-induced release of the bound anions. This allows the hydrogels to be recycled for reuse. The present polymer network thus provides a potentially attractive approach to removing undesired anions from aqueous environments.
KAUST Department:
Physical Sciences and Engineering (PSE) Division; Chemical Science Program; Advanced Membranes and Porous Materials Research Center; Smart Hybrid Materials (SHMs) lab
Citation:
Ji X, Wu R-T, Long L, Guo C, Khashab NM, et al. (2018) Physical Removal of Anions from Aqueous Media by Means of a Macrocycle-Containing Polymeric Network. Journal of the American Chemical Society 140: 2777–2780. Available: http://dx.doi.org/10.1021/jacs.7b13656.
Publisher:
American Chemical Society (ACS)
Journal:
Journal of the American Chemical Society
Issue Date:
13-Feb-2018
DOI:
10.1021/jacs.7b13656
Type:
Article
ISSN:
0002-7863; 1520-5126
Sponsors:
The American Chemical Society Petroleum Research Fund (Grant No. 56925-ND7 to J.L.S.), the Robert A. Welch Foundation (F-0018 to J.L.S.), the National Basic Research Program (2013CB834502 to F.H.), the NSFC/China (91527301, 21434005 to F.H.), and the collaborative research grant (CRG 6 to N.M.K.) of King Abdullah University of Science and Technology are acknowledged for financial support.
Additional Links:
https://pubs.acs.org/doi/full/10.1021/jacs.7b13656
Appears in Collections:
Articles; Advanced Membranes and Porous Materials Research Center; Physical Sciences and Engineering (PSE) Division; Controlled Release and Delivery Laboratory; Chemical Science Program

Full metadata record

DC FieldValue Language
dc.contributor.authorJi, Xiaofanen
dc.contributor.authorWu, Ren-Tsungen
dc.contributor.authorLong, Lingliangen
dc.contributor.authorGuo, Chenxingen
dc.contributor.authorKhashab, Niveen M.en
dc.contributor.authorHuang, Feiheen
dc.contributor.authorSessler, Jonathan L.en
dc.date.accessioned2018-03-11T06:54:14Z-
dc.date.available2018-03-11T06:54:14Z-
dc.date.issued2018-02-13en
dc.identifier.citationJi X, Wu R-T, Long L, Guo C, Khashab NM, et al. (2018) Physical Removal of Anions from Aqueous Media by Means of a Macrocycle-Containing Polymeric Network. Journal of the American Chemical Society 140: 2777–2780. Available: http://dx.doi.org/10.1021/jacs.7b13656.en
dc.identifier.issn0002-7863en
dc.identifier.issn1520-5126en
dc.identifier.doi10.1021/jacs.7b13656en
dc.identifier.urihttp://hdl.handle.net/10754/627273-
dc.description.abstractReported here is a hydrogel-forming polymer network that contains a water-soluble tetracationic macrocycle. Upon immersion of this polymer network in aqueous solutions containing various inorganic and organic salts, changes in the physical properties are observed that are consistent with absorption of the constituent anions into the polymer network. This absorption is ascribed to host-guest interactions involving the tetracationic macrocyclic receptor. Removal of the anions may then be achieved by lifting the resulting hydrogels out of the aqueous phase. Treating the anion-containing hydrogels with dilute HCl leads to the protonation-induced release of the bound anions. This allows the hydrogels to be recycled for reuse. The present polymer network thus provides a potentially attractive approach to removing undesired anions from aqueous environments.en
dc.description.sponsorshipThe American Chemical Society Petroleum Research Fund (Grant No. 56925-ND7 to J.L.S.), the Robert A. Welch Foundation (F-0018 to J.L.S.), the National Basic Research Program (2013CB834502 to F.H.), the NSFC/China (91527301, 21434005 to F.H.), and the collaborative research grant (CRG 6 to N.M.K.) of King Abdullah University of Science and Technology are acknowledged for financial support.en
dc.publisherAmerican Chemical Society (ACS)en
dc.relation.urlhttps://pubs.acs.org/doi/full/10.1021/jacs.7b13656en
dc.titlePhysical Removal of Anions from Aqueous Media by Means of a Macrocycle-Containing Polymeric Networken
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentChemical Science Programen
dc.contributor.departmentAdvanced Membranes and Porous Materials Research Centeren
dc.contributor.departmentSmart Hybrid Materials (SHMs) laben
dc.identifier.journalJournal of the American Chemical Societyen
dc.contributor.institutionDepartment of Chemistry, 105 East 24th Street, Stop A5300, The University of Texas at Austin, Austin, Texas 78712, United Statesen
dc.contributor.institutionSchool of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, P. R. Chinaen
dc.contributor.institutionState Key Laboratory of Chemical Engineering, Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. Chinaen
dc.contributor.institutionCenter for Supramolecular Chemistry and Catalysis, Shanghai University, Shanghai 200444, Chinaen
kaust.authorKhashab, Niveen M.en
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