Optimizing Rheology in Nano-Chitin PVA-PEG Hydrogels for Biomedical Applications

Polymer-Plastics Technology and Materials, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 11

Published: Dec. 25, 2024

This study explores the rheological and structural properties of nanochitin-infused polyvinyl alcohol (PVA)-polyethylene glycol (PEG) hydrogels, designed to overcome limitations conventional such as poor tissue adhesion mechanical performance in dynamic physiological environments. By systematically varying PEG concentration molecular weight, analysis shows improved viscoelastic properties, with storage modulus (G') values increasing by up 118%, phase angle (tan δ) decreasing 37.32%, indicating enhanced elasticity stiffness. Creep resistance experiments show a significant decrease creep strain, demonstrating endurance stability under sustained stress. Scanning electron microscopy (SEM) confirms transition from less uniform, porous structure denser, more interconnected polymer network incorporation nanochitin. These enhancements position nanochitin-PVA-PEG hydrogels promising candidates for biomedical applications, particularly engineering regenerative medicine, where high integrity tailored biomechanical responses are essential.

Language: Английский

Development and mechanistic insights of hierarchically porous biochar-MgO-chitosan hydrogel beads for efficient removal of ciprofloxacin

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 361, P. 131305 - 131305

Published: Dec. 25, 2024

Language: Английский