Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
Acrylpimaric acid-modified chitosan derivatives as potential antifungal agents against Valsa Mali.
Carbohydr Polym
March 2025
College of Chemical Engineering, Huaqiao University, Xiamen 361021, China.
In order to the antifungal activity of chitosan (CS) and to obtain a better natural bio-antimicrobial agent, CS was modified with acrylpimaric acid (APA). The grafting sites of APA on CS were controlled by adjusting the reaction time and the ratio of reactants to obtain APA grafted with CS C-NH (NCSAA) and C-OH (CSAA). Intermediates to protect C-NH (PMCSAA) and final sample derivatives (PCSAA) were prepared using phthalic anhydride.
View Article and Find Full Text PDFInjectable in situ forming hydrogel based on carboxymethyl chitosan for sustained release of hyaluronic acid: A viscosupplement for biomedical applications.
Carbohydr Polym
March 2025
Orthopaedic clinic, Mehrad hospital, Tehran, Iran.
The reduction in hyaluronic acid concentration and viscosity in the synovial fluid of patients struggling with osteoarthritis increases the abrasion of articular cartilage. The aim of this study was to design a semi-IPN hydrogel based on genipin-crosslinked carboxymethyl chitosan (CMCh) and glycerol to achieve long-term release of hyaluronic acid. The results showed that hydrogel comprising CMCh (3 % wt.
View Article and Find Full Text PDFFunctional chitosan/HP-β-CD hydrogel for targeted co-delivery of Rhubarb-derived nanovesicles and kaempferol for alleviating ulcerative colitis.
Carbohydr Polym
March 2025
School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China; Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou 221004, China. Electronic address:
Ulcerative colitis (UC) remains a major challenge in clinical treatment due to its multivariate pathology. Developing an oral formulation that encapsulates and delivers multiple active ingredients to target colon tissues by suppressing intestinal inflammation and restoring the intestinal barrier is crucial for effectively treating UC. Here, we developed rhubarb-derived nanovesicles (RNs) and a supramolecular hydrogel platform formed by furfural-functionalized chitosan-mannose polymer and synthesized 3-maleimide HP-β-CD, with kaempferol (Kae) integrated into the hydrophobic cavity.
View Article and Find Full Text PDFA novel chitosan-Schiff bases bearing a new quinoxaline moiety as an approach for potent antimicrobial agent: Synthesis, characterization and in vitro assessments.
Carbohydr Polym
March 2025
Department of Chemistry, Faculty of Science (boys), Al-Azhar University, 11884 Nasr City, Cairo, Egypt.
This study aims to enhance the antimicrobial properties of chitosan through preparing novel chitosan Schiff bases via coupling with 4-formylphenyl 2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-6-sulfonate (B5) where, different molar ratios of B5 were used to prepare various Schiff bases with chitosan, resulting in Schiff bases coded as d5, d6, d7, and d8, respectively. The modified chitosan samples (d5, d6, d7, and d8) showed reduced crystallinity and improved thermal stability. The crystallinity index of unmodified chitosan was 64 %, which decreased to 59, 55.
View Article and Find Full Text PDFThermoresponsive dual-network chitosan-based hydrogels with demineralized bone matrix for controlled release of rhBMP9 in the treatment of femoral head osteonecrosis.
Carbohydr Polym
March 2025
Key Lab of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, 101 Longmian Avenue, Nanjing 211166, China. Electronic address:
In an effort to mitigate or reverse the pathological progression of early-stage osteonecrosis of the femoral head (ONFH), this study employed a promising strategy that involves the sustained delivery of osteogenic factors to augment core decompression, facilitated by the use of composite hydrogels. Specifically, a hydrogel was synthesized by blending chitosan, Pluronic F-127, and tripolyphosphate, utilizing both ionic bonding and copolymer micelle cross-linking techniques. This hydrogel demonstrated exceptional biocompatibility, temperature responsiveness, pH-dependent biodegradation, and controlled release properties.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!