Related Experiment Video
Updated: Nov 10, 2025
Bridging the Bio-Electronic Interface with Biofabrication
Published on: June 6, 2012
Mussel bioinspired morphosynthesis of substrate anchored core-shell silver self-assemblies with multifunctionality
Zhaojun Jia1, Min Wen2, Pan Xiong3
1Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China; Department of Orthopaedics and Traumatology, The University of Hong Kong, 21 Sassoon Road, Pokfulam 999077, Hong Kong, China; Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854, USA.
A novel mussel-inspired method synthesizes substrate-anchored core-shell nanoparticles (CSNs). These engineered nanomaterials offer tunable properties for enhanced protein affinity, antibacterial action, and photothermal therapy, advancing biotechnological applications.
Area of Science:
- Materials Science
- Biotechnology
- Nanotechnology
Background:
- Core-shell nanoparticles (CSNs) offer unique properties for advanced applications.
- Direct synthesis of substrate-anchored CSNs remains a significant challenge.
- Bio-inspired strategies can provide novel routes for nanomaterial fabrication.
Purpose of the Study:
- To develop a simple, mussel-bioinspired strategy for in-situ synthesis of substrate-anchored CSNs.
- To investigate the tunable morphology and properties of these CSNs.
- To explore their potential in biotechnological applications, including antibacterial and anti-infective uses.
Main Methods:
- Hydrothermal growth of silver titanate on a titanium template.
- Reaction with mussel-derived dopamine to form nanosilver/polydopamine (nAg/PD) CSNs.
- Modification of 3D-printed tissue engineering scaffolds with CSNs.
Main Results:
- Successful in-situ synthesis of morphologically tunable, substrate-anchored nAg/PD CSNs.
- Demonstrated enhanced protein affinity and radical scavenging properties of CSN-modified substrates.
- Exhibited potent antibacterial, anti-biofilm, and anti-infective activities against Staphylococcus aureus.
- CSN-modified scaffolds showed promising photothermal performance for therapy.
Conclusions:
- The mussel-bioinspired strategy offers a simple and controllable method for synthesizing versatile CSNs.
- These engineered nanomaterials show significant potential for implantable medical devices and tissue engineering.
- The developed CSNs expand the library of nAg-based core-shell nanomaterials for diverse applications.
