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Updated: May 19, 2026

10:09
Capillary Force Lithography for Cardiac Tissue Engineering
Published on: June 10, 2014
Self-folding graphene scaffolds with integrated electronics for cardiac tissue engineering
Alonso Ingar Romero1,2,3,4, Koji Sakai3,5, Toichiro Goto3,5
1Medical & Health Informatics Laboratories, NTT Research Incorporated, Sunnyvale, CA, 94085, USA. tetsuhiko.teshima@ntt-research.com.
Nanoscale
|May 18, 2026
Summary
Researchers developed a novel graphene micro-roll platform that acts as both a 3D cardiac tissue scaffold and an integrated electrical interface. This innovation enables real-time monitoring and stimulation of engineered heart tissues for improved drug screening and disease modeling.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Cardiovascular Research
Background:
- Three-dimensional (3D) cardiac microtissues are vital for studying heart development, diseases, and drug responses.
- Graphene scaffolds enhance cardiomyocyte alignment and function due to their conductivity and biocompatibility.
- Integrating bioelectronic interfaces with cardiac scaffolds is challenging but crucial for electrophysiological analysis.
Purpose of the Study:
- To develop a novel platform that combines 3D cardiac tissue scaffolding with integrated bioelectronic interfacing.
- To create a system for real-time electrophysiological monitoring and localized stimulation of engineered cardiac constructs.
- To advance the development of functional cardiac tissues for research and therapeutic applications.
Main Methods:
- Fabrication of self-folded graphene micro-rolls embedding microelectrodes.
- Seeding cardiomyocytes onto the graphene micro-roll scaffolds.
- Utilizing integrated electrodes for electrophysiological monitoring and electrical stimulation.
- Assessing cardiomyocyte assembly, synchronous contraction, and response to stimulation.
Main Results:
- The graphene micro-rolls successfully served as both 3D scaffolds and integrated electrical interfaces.
- Cardiomyocytes self-assembled into aligned tissues conforming to the scaffold geometry.
- The system enabled real-time electrophysiological monitoring and localized stimulation of cardiac constructs.
- Demonstrated stimulation-induced modulation of beating frequency in the engineered cardiac tissue.
Conclusions:
- The self-folded graphene micro-roll platform offers a practical and scalable solution for creating electrically active cardiac constructs.
- This integrated system overcomes limitations of separate scaffolding and interfacing methods, improving signal fidelity.
- The platform holds significant promise for applications in cardiac tissue engineering, disease modeling, and drug development.

