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Composite Hydrogel Spheroids Based on Cellulose Nanofibrils and Nanofibrous Chiral Coordination Polymer by Green Synthesis

Engel, Emile R. ; Calabrese, Vincenzo ; Hossain, Kazi M. Zakir ; Edler, Karen J. LU orcid and Scott, Janet L. (2021) In Advanced Sustainable Systems 5(1).
Abstract

Cellulose-based hydrogels are promising sustainable materials for a variety of applications, including tissue engineering, water treatment, and drug delivery. However, the tailoring of diverse properties by efficient green chemistry methods is an ongoing challenge. Here, composite hydrogels of consistent spheroidal structure, incorporating TEMPO-oxidized cellulose nanofibrils and nanofibrous chiral Cu(II) aspartate coordination polymer, are presented. The hydrogels are prepared by a single-step procedure in aqueous media at ambient temperature and pressure, adhering to the principles of green chemistry. With a view to adapting this method for a variety of alternative coordination polymers (to tailor functional properties), the following... (More)

Cellulose-based hydrogels are promising sustainable materials for a variety of applications, including tissue engineering, water treatment, and drug delivery. However, the tailoring of diverse properties by efficient green chemistry methods is an ongoing challenge. Here, composite hydrogels of consistent spheroidal structure, incorporating TEMPO-oxidized cellulose nanofibrils and nanofibrous chiral Cu(II) aspartate coordination polymer, are presented. The hydrogels are prepared by a single-step procedure in aqueous media at ambient temperature and pressure, adhering to the principles of green chemistry. With a view to adapting this method for a variety of alternative coordination polymers (to tailor functional properties), the following critical factors for formation of robust composite hydrogel spheroids are identified: rheological properties of the primary matrix used for spheroidal hydrogel formation and coordination polymer self-assembly rate.

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author
; ; ; and
publishing date
type
Contribution to journal
publication status
published
keywords
cellulose nanofibrils, coordination polymers, hydrogels, ion-induced gelation, TEMPO-oxidized cellulose
in
Advanced Sustainable Systems
volume
5
issue
1
article number
2000069
pages
8 pages
publisher
John Wiley & Sons Inc.
external identifiers
  • scopus:85091730061
DOI
10.1002/adsu.202000069
language
English
LU publication?
no
additional info
Publisher Copyright: © 2020 The Authors. Published by Wiley-VCH GmbH
id
0af4dd5a-7153-44f2-8d8e-0b925817ec71
date added to LUP
2022-07-12 15:42:07
date last changed
2022-08-12 12:54:45
@article{0af4dd5a-7153-44f2-8d8e-0b925817ec71,
  abstract     = {{<p>Cellulose-based hydrogels are promising sustainable materials for a variety of applications, including tissue engineering, water treatment, and drug delivery. However, the tailoring of diverse properties by efficient green chemistry methods is an ongoing challenge. Here, composite hydrogels of consistent spheroidal structure, incorporating TEMPO-oxidized cellulose nanofibrils and nanofibrous chiral Cu(II) aspartate coordination polymer, are presented. The hydrogels are prepared by a single-step procedure in aqueous media at ambient temperature and pressure, adhering to the principles of green chemistry. With a view to adapting this method for a variety of alternative coordination polymers (to tailor functional properties), the following critical factors for formation of robust composite hydrogel spheroids are identified: rheological properties of the primary matrix used for spheroidal hydrogel formation and coordination polymer self-assembly rate.</p>}},
  author       = {{Engel, Emile R. and Calabrese, Vincenzo and Hossain, Kazi M. Zakir and Edler, Karen J. and Scott, Janet L.}},
  keywords     = {{cellulose nanofibrils; coordination polymers; hydrogels; ion-induced gelation; TEMPO-oxidized cellulose}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Advanced Sustainable Systems}},
  title        = {{Composite Hydrogel Spheroids Based on Cellulose Nanofibrils and Nanofibrous Chiral Coordination Polymer by Green Synthesis}},
  url          = {{http://dx.doi.org/10.1002/adsu.202000069}},
  doi          = {{10.1002/adsu.202000069}},
  volume       = {{5}},
  year         = {{2021}},
}