A redox responsive, fluorescent supramolecular metallohydrogel consists of nanofibers with single-molecule width

Handle URI:
http://hdl.handle.net/10754/562716
Title:
A redox responsive, fluorescent supramolecular metallohydrogel consists of nanofibers with single-molecule width
Authors:
Zhang, Ye; Zhang, Bei; Kuang, Yi; Gao, Yuan; Shi, Junfeng; Zhang, Xixiang ( 0000-0002-3478-6414 ) ; Xu, Bing
Abstract:
The integration of a tripeptide derivative, which is a versatile self-assembly motif, with a ruthenium(II)tris(bipyridine) complex affords the first supramolecular metallo-hydrogelator that not only self assembles in water to form a hydrogel but also exhibits gel-sol transition upon oxidation of the metal center. Surprisingly, the incorporation of the metal complex in the hydrogelator results in the nanofibers, formed by the self-assembly of the hydrogelator in water, to have the width of a single molecule of the hydrogelator. These results illustrate that metal complexes, besides being able to impart rich optical, electronic, redox, or magnetic properties to supramolecular hydrogels, also offer a unique geometrical control to prearrange the self-assembly motif prior to self-assembling. The use of metal complexes to modulate the dimensionality of intermolecular interactions may also help elucidate the interactions of the molecular nanofibers with other molecules, thus facilitating the development of supramolecular hydrogel materials for a wide range of applications. © 2013 American Chemical Society.
KAUST Department:
Advanced Nanofabrication, Imaging and Characterization Core Lab; Physical Sciences and Engineering (PSE) Division; Materials Science and Engineering Program; Core Labs
Publisher:
American Chemical Society
Journal:
Journal of the American Chemical Society
Issue Date:
3-Apr-2013
DOI:
10.1021/ja402490j
PubMed ID:
23521132
PubMed Central ID:
PMC3758904
Type:
Article
ISSN:
00027863
Sponsors:
This work was partially supported by a grant from the Army Research Office (ARO 56735-MS), a National Science Foundation MRSEC Grant (DMR-0820492), NIH (R01 CA142746), and start-up funds from Brandeis University. The TEM images were taken at the EM facility of Brandeis University.
Additional Links:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3758904
Appears in Collections:
Articles; Advanced Nanofabrication, Imaging and Characterization Core Lab; Physical Sciences and Engineering (PSE) Division; Materials Science and Engineering Program

Full metadata record

DC FieldValue Language
dc.contributor.authorZhang, Yeen
dc.contributor.authorZhang, Beien
dc.contributor.authorKuang, Yien
dc.contributor.authorGao, Yuanen
dc.contributor.authorShi, Junfengen
dc.contributor.authorZhang, Xixiangen
dc.contributor.authorXu, Bingen
dc.date.accessioned2015-08-03T11:02:51Zen
dc.date.available2015-08-03T11:02:51Zen
dc.date.issued2013-04-03en
dc.identifier.issn00027863en
dc.identifier.pmid23521132en
dc.identifier.doi10.1021/ja402490jen
dc.identifier.urihttp://hdl.handle.net/10754/562716en
dc.description.abstractThe integration of a tripeptide derivative, which is a versatile self-assembly motif, with a ruthenium(II)tris(bipyridine) complex affords the first supramolecular metallo-hydrogelator that not only self assembles in water to form a hydrogel but also exhibits gel-sol transition upon oxidation of the metal center. Surprisingly, the incorporation of the metal complex in the hydrogelator results in the nanofibers, formed by the self-assembly of the hydrogelator in water, to have the width of a single molecule of the hydrogelator. These results illustrate that metal complexes, besides being able to impart rich optical, electronic, redox, or magnetic properties to supramolecular hydrogels, also offer a unique geometrical control to prearrange the self-assembly motif prior to self-assembling. The use of metal complexes to modulate the dimensionality of intermolecular interactions may also help elucidate the interactions of the molecular nanofibers with other molecules, thus facilitating the development of supramolecular hydrogel materials for a wide range of applications. © 2013 American Chemical Society.en
dc.description.sponsorshipThis work was partially supported by a grant from the Army Research Office (ARO 56735-MS), a National Science Foundation MRSEC Grant (DMR-0820492), NIH (R01 CA142746), and start-up funds from Brandeis University. The TEM images were taken at the EM facility of Brandeis University.en
dc.publisherAmerican Chemical Societyen
dc.relation.urlhttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC3758904en
dc.titleA redox responsive, fluorescent supramolecular metallohydrogel consists of nanofibers with single-molecule widthen
dc.typeArticleen
dc.contributor.departmentAdvanced Nanofabrication, Imaging and Characterization Core Laben
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentMaterials Science and Engineering Programen
dc.contributor.departmentCore Labsen
dc.identifier.journalJournal of the American Chemical Societyen
dc.identifier.pmcidPMC3758904en
dc.contributor.institutionDepartment of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, United Statesen
kaust.authorZhang, Beien
kaust.authorZhang, Xixiangen

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