Related Experiment Video
Updated: Dec 24, 2025
Preparation and Characterization of Graphene-Based 3D Biohybrid Hydrogel Bioink for Peripheral Neuroengineering
Published on: May 16, 2022
Graphene oxide based heparin-mimicking and hemocompatible polymeric hydrogels for versatile biomedical applications
Chao He1, Zhen-Qiang Shi, Lang Ma
1College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China. sagecheng@163.com chengcho@umich.edu zhaochsh70@163.com zhaochsh70@scu.edu.cn.
Researchers developed graphene oxide (GO) based heparin-mimicking hydrogels with enhanced swelling and drug delivery capabilities. These biocompatible hydrogels show promise for diverse biomedical applications, including tissue engineering and antithrombogenic materials.
Area of Science:
- Biomaterials Science
- Polymer Chemistry
- Nanotechnology
Background:
- Heparin and heparin-mimicking hydrogels are crucial for biomedical applications like antithrombogenic materials and tissue engineering scaffolds.
- Graphene oxide (GO) has emerged as a promising material for advanced hydrogel development.
Purpose of the Study:
- To prepare and characterize novel graphene oxide (GO) based heparin-mimicking hydrogels.
- To evaluate the hemocompatibility, swelling properties, drug loading/release, and antibacterial activity of the developed hydrogels.
Main Methods:
- Free radical copolymerization was employed to synthesize GO-based heparin-mimicking hydrogels.
- Hydrogels were characterized for structural properties, swelling ratios, hemocompatibility (red blood cell compatibility, anti-platelet adhesion), anticoagulant activity, drug release kinetics, and antibacterial efficacy.
- Poly(ethylene glycol) methyl ether methacrylate (PEGMA) and 2-hydroxyethyl methacrylate (HEMA) hydrogels served as control samples.
Main Results:
- The GO-based hydrogels exhibited interconnected structures with high porosity.
- Incorporation of sodium styrene sulfonate (SSNa) and GO nanosheets significantly enhanced hydrogel swelling.
- Superior red blood cell compatibility, anti-platelet adhesion, and anticoagulant properties were observed.
- The hydrogels demonstrated high drug loading capacity, prolonged drug release, and effective antibacterial activity with large inhibition zones.
Conclusions:
- GO-based heparin-mimicking hydrogels possess versatile properties including excellent hemocompatibility, swelling, drug delivery, and antibacterial functions.
- These advanced hydrogels hold significant potential for various biomedical applications, including antithrombotic materials, drug delivery systems, and regenerative medicine scaffolds.
