ArticlePolymers2023
Carrageenan/Chitin Nanowhiskers Cryogels for Vaginal Delivery of Metronidazole.
Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- Development of Nigella sativa essential oil loaded keratin/gelatin cryogel with antimicrobial and antioxidant properties for wound dressing.Scientific reports · 2026Article
- Design, Characterization, and Enhanced Performance of Electrospun Chitosan-Based Nanocomposites Reinforced with Halloysite Nanotubes and Cerium Oxide Nanoparticles for Wound Healing Applications.International journal of molecular sciences · 2025Article
- Enhancing Antimicrobial and Antioxidant Properties of Chitosan-Based Films with 1-Methylimidazolium-Chitosan.Polymers · 2025Article
- Fabrication of a sponge-like protein based hydrogel incorporating fluconazole against Candida species as a potential treatment for vulvovaginal candidiasis infection.Scientific reports · 2025Article
- Intranasal Delivery of Carvedilol- and Quercetin-Encapsulated Cationic Nanoliposomes for Cardiovascular Targeting: Formulation andACS applied bio materials · 2024Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The development of polymeric carriers based on partially deacetylated chitin nanowhiskers (CNWs) and anionic sulfated polysaccharides is an attractive strategy for improved vaginal delivery with modified drug release profiles. This study focuses on the development of metronidazole (MET)-containing cryogels based on carrageenan (CRG) and CNWs. The desired cryogels were obtained by electrostatic interactions between the amino groups of CNWs and the sulfate groups of CRG and by the formation of additional hydrogen bonds, as well as by entanglement of carrageenan macrochains. It was shown that the introduction of 5% CNWs significantly increased the strength of the initial hydrogel and ensured the formation of a homogeneous cryogel structure, resulting in sustained MET release within 24 h. At the same time, when the CNW content was increased to 10%, the system collapsed with the formation of discrete cryogels, demonstrating MET release within 12 h. The mechanism of prolonged drug release was mediated by polymer swelling and chain relaxation in the polymer matrix and correlated well with the Korsmeyer-Peppas and Peppas-Sahlin models. In vitro tests showed that the developed cryogels had a prolonged (24 h) antiprotozoal effect against
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