Cited by 91Hydrogels: synthesis, properties, applicationsPolysaccharides Composition and ApplicationsRheology and Fluid Dynamics Studies

Rheological considerations of pharmaceutical formulations: focus on viscoelasticity

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Budai, Lívia, Budai, Marianna, Fülöpné Pápay, Zsófia Edit, Vilimi, Zsófia, Antal, István·2023·Gels

Abstract

Controlling rheological properties offers the opportunity to gain insight into the physical characteristics, structure, stability and drug release rate of formulations. To better understand the physical properties of hydrogels, not only rotational but also oscillatory experiments should be performed. Viscoelastic properties, including elastic and viscous properties, are measured using oscillatory rheology. The gel strength and elasticity of hydrogels are of great importance for pharmaceutical development as the application of viscoelastic preparations has considerably expanded in recent decades. Viscosupplementation, ophthalmic surgery and tissue engineering are just a few examples from the wide range of possible applications of viscoelastic hydrogels. Hyaluronic acid, alginate, gellan gum, pectin and chitosan are remarkable representatives of gelling agents that attract great attention applied in biomedical fields. This review provides a brief summary of rheological properties, highlighting the viscoelasticity of hydrogels with great potential in biomedicine.

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Crossref · 10.3390/gels9060469

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  • The onset of a crossover at higher frequencies in the SFMA-UV sample can be attributed to the increased structural organization of the protein chains within the gel induced by the photopolymerization process.

    “The onset of a crossover at higher frequencies in the SFMA-UV sample can be attributed to the increased structural organization of the protein chains within the gel induced by the photopolymerization process [25,58].”

    From Montmorillonite-reinforced methacrylated collagen/methacrylated silk fibroin hydrogel-based inks: rheological and physicochemical characterization for bone scaffold applications (2026) · cites this paper as [58]

    The Introduction describes what a frequency-sweep crossover indicates, and section 2.2 reports a crossover at higher frequencies when methylcellulose concentration increased. Neither passage addresses the SFMA-UV sample or attributes its crossover to photopolymerization-induced organization of protein chains. (LLM, conf=0.78)

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Authors
Budai, L., Budai, M., Fülöpné Pápay, Z. E., Vilimi, Z., & Antal, I.
Affiliations
  • Semmelweis University (HU)
  • Department of Pharmaceutics, Semmelweis University, 1092 Budapest, Hungary
Corresponding author
Antal, István
Venue
Gels
Publisher
MDPI AG
Published
2023-06-07
Volume
9
Issue
6
Pages
469
ISSN
2310-2861 (ISSN-L)
OpenAlex
W4380052381
Cited by
91
References
125
Citations by year
2026: 28 · 2025: 34 · 2024: 26 · 2023: 3
FWCI
1.71
Type
journal article
Language
en
Open access
Locations
  • Gels (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
  • Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Rheology and Fluid Dynamics Studies
Keywords
viscoelasticity, hydrogels, drug formulation, oscillatory rheology, gel strength, gelling agents, hyaluronic acid, alginate, gellan gum, pectin, chitosan, drug release, tissue engineering, ophthalmic surgery, viscosupplementation

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