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- Title
Exploration of Dual Ionic Cross-Linked Alginate Hydrogels Via Cations of Varying Valences towards Wound Healing.
- Authors
Man, Ernest; Lamprou, Dimitrios; Easdon, Claire; McLellan, Iain; Yiu, Humphrey H. P.; Hoskins, Clare
- Abstract
This study explored the synergistic effects of simultaneously using calcium and gallium cations in the cross-linking of alginate, detailing its effects on the characteristics of alginate compared to its single cation counterparts. The primary goal is to determine if there are any synergistic effects associated with the utilisation of multiple multivalent cations in polymer cross-linking and whether or not it could therefore be used in pharmaceutical applications such as wound healing. Given the fact divalent and trivalent cations have never been utilised together for cross-linking, an explanation for the mode of binding that occurs between the alginate and the cations during the cross-linking process and how it may affect the future applications of the polymer has been investigated. The calcium gallium alginate polymers were able to retain the antibacterial effects of gallium within the confines of the polymer matrix, possessing superior rheological properties, 6 times that of pure calcium and pure gallium, coupled with an improved swelling capacity that is 4 times higher than that of gallium alginate.
- Subjects
ALGINIC acid; WOUND healing; ALGINATES; HYDROGELS; CATIONS; RHEOLOGY
- Publication
Polymers (20734360), 2022, Vol 14, Issue 23, p5192
- ISSN
2073-4360
- Publication type
Article
- DOI
10.3390/polym14235192