Periodontal diseases are widely spread, particularly in adults. Chitosan has non-toxicity and biocompatibility properties, as it has been studied in many studies in various surgical applications. This case report includes two female patients (aged 23 and 48) who were treated by the application of Chitosan gel 15% during open flap debridement in an aggregate of 26 periodontal pockets. Several clinical measurements were evaluated (probing depth, gingival recession, and bleeding on probing) for the treated periodontal pockets, between two periods, the first in baseline and then after six months. The results showed a reduction in probing depth of (3.30±0.27) after six months. The bleeding on probing also decreased from 84.61% to 0%. This case report concluded that the application of Chitosan gel 15% reduced pocket depth and bleeding on probing when applied in open flap debridement.
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http://dx.doi.org/10.7759/cureus.58965 | DOI Listing |
Front Biosci (Elite Ed)
October 2024
Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, 1983969411 Tehran, Iran.
Background: Regenerative endodontics requires an innovative delivery system to release antibiotics/growth factors in a sequential trend. This study focuses on developing/characterizing a thermoresponsive core-shell hydrogel designed for targeted drug delivery in endodontics.
Methods: The core-shell chitosan-alginate microparticles were prepared by electrospraying to deliver bone morphogenic protein-2 for 14 days and transforming growth factor-beta 1 (TGF-β1) for 7-14 days.
Int J Biol Macromol
December 2024
Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, Zhejiang Ocean University, Zhoushan 316022, China; College of Food and Medicine, Zhejiang Ocean University, Zhoushan 316022, China. Electronic address:
Biocompatible and degradable hydrogels are extensively utilized for the delivery and controlled release of bioactive agents. Chitosan/squid ring teeth protein (SRT) hydrogels (CH/SRTs) cross-linked by genipin were fabricated, and their gel properties and structural characteristics were analyzed across varying SRT contents. Additionally, the curcumin-release behavior of curcumin-loaded CH/SRTs (Cur-CH/SRTs) was evaluated.
View Article and Find Full Text PDFJ Control Release
December 2024
Department of Chemical Engineering, McMaster University, 1280 Main Street, West Hamilton, ON L8S 4L8, Canada. Electronic address:
While bipolar disorder patients can benefit from lithium therapy, high levels of lithium in the serum can induce undesirable systemic side effects. Intranasal (IN) lithium delivery offers a potential solution to this challenge given its potential to facilitate improved lithium transport to brain when delivered to the olfactory mucosa. Herein, a sprayable, in situ forming nanoparticle network hydrogel (NNH) based on Schiff base interactions between chelator-functionalized oxidized starch nanoparticles (SNPs) and carboxymethyl chitosan (CMCh) is reported that can be deployed within the nasal cavity to release ultra-small penetrative SNPs over time.
View Article and Find Full Text PDFGels
December 2024
College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
In the oil dispersion of chitosan, the formation of a capillary bridge was triggered by adding a small amount of water to obtain an oleogel. With this method, the types of liquid oil and the ratio of oil/chitosan/water were explored to achieve an optimal oleogel. MCT performed best, followed by soybean oil, which was chosen for its edibility and cost.
View Article and Find Full Text PDFSmall
December 2024
School of Nuclear Science and Technology, University of Science and Technology of China, Hefei, 230026, China.
Hydrogels present significant potential in flexible materials designed for electromagnetic interference (EMI) shielding, attributed to their soft, stretchable mechanical properties and water-rich porous structures. Unfortunately, EMI shielding hydrogels commonly suffer from low mechanical properties, deficient fracture energy, and low strength, which limit the serviceability of these materials in complex mechanical environments. In this study, the double network strategy is successfully utilized along with the Hofmeister effect to create MXene/PAA (polyacrylic acid)-CS (chitosan) hydrogels and further strengthen and toughen the gel with (NH)SO solution.
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