New Hydrogel Network Based on Alginate and a Spiroacetal Copolymer
Alina Elena Sandu1, Loredana Elena Nita1, Aurica P Chiriac1
1"PetruPoni" Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley 41-A, RO-700487 Iasi, Romania.
Gels (Basel, Switzerland)
|December 23, 2021
Summary
Researchers developed a novel biohybrid gel using synthetic polymers and alginate for tunable properties. This material shows enhanced thermal stability and controlled release of encapsulated compounds, indicating potential biomedical applications.
Area of Science:
- Polymer Chemistry
- Biomaterials Science
- Materials Engineering
Background:
- Developing advanced materials with tunable properties is crucial for biomedical applications.
- Hybrid hydrogels combining natural and synthetic polymers offer unique advantages.
- Alginate and synthetic polymers can be conjugated to create functional biohybrid complexes.
Purpose of the Study:
- To develop a novel biohybrid gel complex using a spiroacetal polymer and alginate.
- To investigate the tunable characteristics and physical properties of the resulting hybrid gels.
- To assess the potential of these gels for controlled release applications.
Main Methods:
- Preparation of hybrid gels with varying ratios of spiroacetal polymer and alginate.
- Characterization of network formation and structure using Fourier-transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM).
- Evaluation of physical properties, including thermal stability and swelling behavior.
Main Results:
- Successful formation of a new gel network confirmed by FTIR and SEM.
- Increased alginate content led to enhanced thermal stability due to additional crosslinking.
- Higher synthetic polymer content resulted in a slower release of the encapsulated bioactive compound, carvacrol.
Conclusions:
- The developed biohybrid gel system offers tunable characteristics through controlled polymer ratios.
- The hybrid gels exhibit improved thermal stability and modulated drug release profiles.
- This strategy provides a promising platform for creating advanced materials for biomedical applications, particularly for controlled delivery systems.


