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Volod'ko AV, Davydova VN, Petrova VA, et al. Comparative Analysis of the Functional Properties of Films Based on Carrageenans, Chitosan, and Their Polyelectrolyte Complexes. Mar Drugs. 2021;19(12)doi: 10.3390/md19120704.
Volod'ko, A. V., Davydova, V. N., Petrova, V. A., Romanov, D. P., Pimenova, E. A., & Yermak, I. M. (2021). Comparative Analysis of the Functional Properties of Films Based on Carrageenans, Chitosan, and Their Polyelectrolyte Complexes. Marine drugs, 19(12), . https://doi.org/10.3390/md19120704
Volod'ko, Aleksandra V, et al. "Comparative Analysis of the Functional Properties of Films Based on Carrageenans, Chitosan, and Their Polyelectrolyte Complexes." Marine drugs vol. 19,12 (2021). doi: https://doi.org/10.3390/md19120704
Volod'ko AV, Davydova VN, Petrova VA, Romanov DP, Pimenova EA, Yermak IM. Comparative Analysis of the Functional Properties of Films Based on Carrageenans, Chitosan, and Their Polyelectrolyte Complexes. Mar Drugs. 2021 Dec 12;19(12). doi: 10.3390/md19120704. PMID: 34940703; PMCID: PMC8704292.
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Mar Drugs. 2021 Dec 12;19(12). doi: 10.3390/md19120704.

Comparative Analysis of the Functional Properties of Films Based on Carrageenans, Chitosan, and Their Polyelectrolyte Complexes.

Marine drugs

Aleksandra V Volod'ko, Viktoriya N Davydova, Valentina A Petrova, Dmitry P Romanov, Evgeniya A Pimenova, Irina M Yermak

Affiliations

  1. G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, Prospect 100 Let Vladivostoku 159, 690022 Vladivostok, Russia.
  2. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoi Pr. VO 31, 199004 Saint Petersburg, Russia.
  3. I.V. Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, Adm. Makarova Emb., 2, 199034 Saint Petersburg, Russia.
  4. A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Palchevskogo 17, 690041 Vladivostok, Russia.

PMID: 34940703 PMCID: PMC8704292 DOI: 10.3390/md19120704

Abstract

The influence of the structural features of carrageenan on the functional properties of the films was studied. The carrageenans and chitosan films, as well as three-layer films containing a polyelectrolyte complex (PEC) of the two, were prepared. The X-ray diffractograms of carrageenan films reflected its amorphous structure, whereas chitosan and three-layer films were characterized by strong reflection in the regions of 20° and 15° angles, respectively. The SEM of the cross-sectional morphology showed dense packing of the chitosan film, as well as the layer-by-layer structure of different densities for the PEC. Among the tested samples, κ/β-carrageenan and chitosan films showed the highest tensile strength and maximum elongation. Films containing the drug substance echinochrome were obtained. Mucoadhesive properties were assessed as the ability of the films to swell on the mucous tissue and their erosion after contact with the mucosa. All studied films exhibited mucoadhesive properties. All studied films exhibited mucoadhesive properties which depended on the carrageenans structure. Multilayer films are stronger than single-layer carrageenan films due to PEC formation. The resulting puncture strength of the obtained films was comparable to that of commercial samples described in the literature.

Keywords: carrageenan; chitosan; film; mucoadhesive polymer; polyelectrolyte complex

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