4.7 Article

Alginate enriched with phytic acid for hydrogels preparation

Journal

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 181, Issue -, Pages 561-571

Publisher

ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.03.164

Keywords

Alginate; Bio-crosslinker; Hydrogel

Funding

  1. Romanian National Authority for Scientific Research, CNCS-UEFISCDI, within PNCDI III [339PED/2020, PN-III-P2-2.1-PED-2019-2743]

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Alginate hydrogels, similar to extracellular matrix, have great potential for cell and tissue regeneration. By crosslinking with phytic acid, the properties and versatility of the hydrogels can be controlled and adjusted.
Alginate hydrogels are extremely versatile and flexible biomaterials, with an enormous potential for bio-applications use. Their similarity with extracellular matrix is a key factor in their performance for cell and tissue regeneration. In this study superabsorbent high porous hydrogels based on sodium alginate physical crosslinked with a natural crosslinker compound namely phytic acid were prepared and evaluated from the viewpoint of their specific properties. The resulting hydrogels obtained with different ratios between alginate and phytic acid were characterized by Fourier transform infrared spectroscopy technique, scanning electron microscopy, XRD measurements, swelling tests in physiological environment, and thermal analysis by using a simultaneous TG/FT-IR/MS system. There are put into evidence the differences in physico-chemical properties of the hydrogels in relation with their composition, which endows them tunable properties and versatility. (c) 2021 Elsevier B.V. All rights reserved.

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