Microfabrication of photo-cross-linked hyaluronan hydrogels by single- and two-photon tyramine oxidation

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Author(s) Loebel, Claudia, Broguiere, Nicolas, Alini, Mauro, Zenobi-Wong, Marcy, Eglin, David
Publication Type Journal Items, Publication Status: Published
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Title Microfabrication of photo-cross-linked hyaluronan hydrogels by single- and two-photon tyramine oxidation
Author(s) Loebel, Claudia
Broguiere, Nicolas
Alini, Mauro
Zenobi-Wong, Marcy
Eglin, David
Journal or Series Title Biomacromolecules
Volume Number 16
Issue Number 9
Start Page 2624
End Page 2630
ISSN 1525-7797
1526-4602
Publisher American Chemical Society
Publication Place Washington, DC
Publication Date 2015-09
Abstract Photo-cross-linking of tyramine-substituted hyaluronan (HA-Tyr) hydrogels is demonstrated for the first time. HA-Tyr hydrogels are fabricated via a rapid photosensitized process using visible light illumination. Nontoxic conditions offer photoencapsulation of human mesenchymal stromal cells (hMSCs) with high viability. Macroscopic gels can be formed in less than 10 s, and one- and two-photon photopatterning enable 2D and 3D microfabrication. Different degrees of cross-linking induce different swelling/shrinking, allowing for light-induced microactuation. These new tools are complementary to the previously reported horseradish peroxidase/hydrogen peroxide cross-linking and allow sequential cross-linking of HA-Tyr matrices.
DOI 10.1021/acs.biomac.5b00363
Additional Notes Published online 29 July 2015
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03949
Organisational Unit(s)
NEBIS System Number 003899084
Source Database ID SCOPUS-84941702860
WOS-000361341700008
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@article{Lbl2015,
  author = "Loebel, Claudia and Broguiere, Nicolas and Alini, Mauro and Zenobi-Wong, Marcy and Eglin, David",
  title = "{M}icrofabrication of photo-cross-linked hyaluronan hydrogels by single- and two-photon tyramine oxidation",
  journal = "Biomacromolecules",
  year = 2015,
  volume = "16",
  number = "9",
  pages = "2624--2630",
  month = sep,
}


E-Citations record created: Tue, 29 Sep 2015, 07:09:59 CET