The DOI matches its Crossref record; 55 of the 56 references it cites were found in a registry or an index.
Synthesis and swelling behavior of xanthan-based hydrogels
Open accessAbstract
In this work xanthan chains were crosslinked by esterification reaction at 165 °C either in the absence or in the presence of citric acid. Higher crosslinking density was obtained using citric acid, as evidenced by its lower swelling degree. Tensiometry, a very precise and sensitive technique, was applied to study swelling rates and diffusion mechanisms of water, which was initially quasi-Fickian, controlled by wicking properties, changing to Fickian or Anomalous, depending on hydrogel composition. Hydrogels swelling degree increased at high pH values, due to electrostatic repulsion and ester linkages rupture. Equilibrium swelling degree was affected by salts, depending on gel composition and kind of salt. Effects could be explained by interaction between ions and polymeric chains, EPA/EPD ability of water or osmotic gradient.
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“As a result, it can be employed as a pH-responsive hydrogel in the intestinal region at pH 7.4 for controlled drug delivery above its pKa value (Bueno et al., 2013).”
From pH stimuli-responsive hydrogels from non-cellulosic biopolymers for drug delivery. (2023) · cites this paper as Bueno et al., 2013
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Cites
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Research works printed but not linked: 4
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Rizwan, M., Yahya, R., Hassan, A., Yar, M., Azzahari, A., Selvanathan, V., Sonsudin, F., & Abouloula, C. (2017) · Polymers · doi:10.3390/polym9040137 · Cited by 844
Chang, I., Im, J., & Cho, G.-C. (2016) · Sustainability · doi:10.3390/su8030251 · Cited by 503
Xanthan gum: A versatile biopolymer for biomedical and technological applications
Petri, D. F. S. (2015) · Journal of Applied Polymer Science · doi:10.1002/app.42035 · Cited by 489
Self-citationReview on biopolymer-based soil treatment (BPST) technology in geotechnical engineering practices
Chang, I., Lee, M., Tran, T. P. A., Lee, S., Kwon, Y.-M., Im, J., & Cho, G.-C. (2020) · Transportation Geotechnics · doi:10.1016/j.trgeo.2020.100385 · Cited by 434
Alavarse, A. C., Frachini, E., da Silva, R. L. C. G., Lima, V. H., Shavandi, A., & Petri, D. F. S. (2022) · International Journal of Biological Macromolecules · doi:10.1016/j.ijbiomac.2022.01.029 · Cited by 410
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Metadata
- Authors
- Bueno, V. B., Bentini, R., Catalani, L. H., & Petri, D. F. S.
- Affiliations
- Universidade de São Paulo (BR)
- Venue
- Carbohydrate Polymers
- Publisher
- Elsevier BV
- Published
- 2013-02
- Volume
- 92
- Issue
- 2
- Pages
- 1091-1099
- ISSN
- 0144-8617 (ISSN-L)
- OpenAlex
- W2029308143
- Cited by
- 329
- References
- 56
- Citations by year
- 2026: 22 · 2025: 28 · 2024: 32 · 2023: 32 · 2022: 31 · 2021: 23 · 2020: 29 · 2019: 30 · 2018: 29 · 2017: 21 · 2016: 21 · 2015: 17 · 2014: 9 · 2013: 5
- FWCI
- 4.58
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Carbohydrate Polymers (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Brazilian Agency FAPESP
- Topics
- Physical Sciences › Materials Science › Biomaterials › Hydrogels: synthesis, properties, applications
- Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
- Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Polymer-Based Agricultural Enhancements
- Keywords
- xanthan gum, hydrogels, swelling behavior, citric acid, crosslink density, water diffusion, wicking, anomalous diffusion, pH effect, salt effects, ion-polymer interactions, osmotic gradient, swelling ratio
- MeSH terms
- Diffusion, Hydrogen-Ion Concentration, Polysaccharides, Bacterial, Water, Citric Acid, Hydrogels, Chemistry Techniques, Synthetic
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