Interactions between Alginate and Chitosan Biopolymers Characterized Using FTIR and XPS
University of Queensland · Queensland University of Technology
Abstract
This study investigates alginate-chitosan polyelectrolyte complexes (PECs) in the form of a film, a precipitate, as well as a layer-by-layer (LbL) assembly. The focus of this study is to fully characterize, using the complementary techniques of Fourier transform infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy (XPS) in combination with solution stability evaluation, the interactions between alginate and chitosan in the PECs. In the FTIR spectra, no significant change in the band position of the two carbonyl vibrations from alginate occurs upon interaction with different ionic species. However, protonation of the carboxylate group causes a new band to appear at 1710 cm(-1), as anticipated.…
Citation impact
- FWCI
- 13.38
- Percentile
- 100%
- References
- 34
Authors
7- GLGwendolyn LawrieCorresponding
University of Queensland, Queensland University of Technology
- IKImelda Keen
University of Queensland, Queensland University of Technology
- BRBarry R. Drew
University of Queensland, Queensland University of Technology
- AFA. F. Chandler-Temple
University of Queensland, Queensland University of Technology
- LRLlewellyn Rintoul
University of Queensland, Queensland University of Technology
Topics & keywords
- Fourier transform infrared spectroscopy
- Protonation
- X-ray photoelectron spectroscopy
- Polyelectrolyte
- Chitosan
- Chemistry
- Amine gas treating
- Amide
- Life below water