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Related Experiment Video

Updated: Jun 21, 2026

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets

Published on: October 3, 2014

Layer by layer three-dimensional tissue epitaxy by cell-laden hydrogel droplets.

SangJun Moon¹, Syed K Hasan, Young S Song

¹Center for Biomedical Engineering, Brigham and Women's Hospital, Harvard Medical School , Cambridge, MA, USA.

Tissue Engineering. Part C, Methods

|July 10, 2009

Summary

This summary is machine-generated.

A novel bioprinter overcomes limitations of traditional methods, enabling high-resolution 3D tissue printing. This advanced platform enhances cell viability and uniformity for regenerative medicine applications.

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Last Updated: Jun 21, 2026

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets

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Construction of Modular Hydrogel Sheets for Micropatterned Macro-scaled 3D Cellular Architecture

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Area of Science:

Biotechnology
Regenerative Medicine
Tissue Engineering

Background:

Traditional tissue engineering struggles with replicating native microvasculature and microarchitectures.
Existing inkjet bioprinting methods face challenges with cell viability and system clogging.

Purpose of the Study:

To develop an advanced bioprinting platform for fabricating 3D tissue constructs with improved resolution and cell viability.
To overcome limitations of current bioprinting technologies for regenerative medicine.

Main Methods:

Development of a bioprinter utilizing mechanical valves for printing high-viscosity hydrogel precursors with cells.
Fabrication of multilayered 3D cell-laden hydrogel structures with controlled spatial resolution.

Main Results:

Achieved high-throughput droplet generation (160 droplets/s) and precise spatial resolution (proximal axis: 18.0 ± 7.0 µm, distal axis: 0.5 ± 4.9 µm).
Demonstrated excellent cell seeding uniformity across different cell densities and maintained high cell viability (>90% for 14 days).

Conclusions:

The developed bioprinting platform enables the fabrication of 3D tissue constructs with enhanced microarchitectural fidelity and cell viability.
This technology holds significant potential for advancing regenerative medicine and creating printed replacement tissues.