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Published on: July 10, 2013
Sustainable, flexible and biocompatible hydrogels derived from microbial polysaccharides with tailorable structures
Xiaoliang Qi1, Ting Su2, Mengying Zhang2
1State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Xueyuan West Road, Lucheng District, Wenzhou 325027, China; Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences, Xinsan Road, Lonwan District, Wenzhou 325001, China.
New microbial polysaccharide hydrogels using salecan and gellan gum offer improved mechanical strength and simple fabrication for tissue engineering. These non-toxic hydrogels support cell growth, showing promise for biomedical applications.
Area of Science:
- Biomaterials Science
- Polymer Chemistry
- Tissue Engineering
Background:
- Microbial polysaccharides are explored for hydrogel design.
- Existing hydrogels face challenges in mechanical strength and fabrication for biomedical use.
Purpose of the Study:
- To develop a novel polysaccharide hydrogel scaffold using salecan and gellan gum.
- To investigate the tunability of hydrogel properties via salecan/gellan gum ratios.
- To evaluate the biocompatibility and potential for tissue engineering applications.
Main Methods:
- Fabrication of hydrogel scaffolds by one-step mixing of salecan and gellan gum.
- Characterization of hydrogel properties (swelling, water release, thermal stability, viscoelasticity, morphology).
- In vitro and in vivo biocompatibility assessments, including cell survival and proliferation studies.
Main Results:
- Tunable hydrogel properties achieved by adjusting salecan/gellan gum ratios.
- Scaffolds demonstrated excellent support for cell survival and proliferation.
- In vitro and in vivo studies confirmed the non-toxic nature of the developed hydrogels.
Conclusions:
- A novel, easily synthesized polysaccharide hydrogel from salecan and gellan gum was developed.
- These hydrogels exhibit desirable properties and biocompatibility for biomedical applications.
- The developed hydrogels show significant translational potential for tissue engineering and cell delivery devices.
