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Related Experiment Video

Updated: Jul 17, 2026

Microfluidic Bioprinting for Engineering Vascularized Tissues and Organoids

Microfluidic Bioprinting for Engineering Vascularized Tissues and Organoids

Published on: August 11, 2017

Optimal planar flow network designs for tissue engineered constructs with built-in vasculature.

Vijayakumar Janakiraman¹, Kamlesh Mathur, Harihara Baskaran

¹Department of Chemical Engineering, Case Western Reserve University, 126 Bingham Building, 10900 Euclid Avenue, Cleveland, OH 44106, USA.

Annals of Biomedical Engineering

|January 5, 2007

Summary

This study optimized microvascular network designs for tissue engineering (TE) to maximize nutrient transport. Rectangular ducts showed superior mass transport efficiency compared to square ducts, improving TE product development.

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Last Updated: Jul 17, 2026

Microfluidic Bioprinting for Engineering Vascularized Tissues and Organoids

Microfluidic Bioprinting for Engineering Vascularized Tissues and Organoids

Published on: August 11, 2017

Micropatterning and Assembly of 3D Microvessels

Micropatterning and Assembly of 3D Microvessels

Published on: September 9, 2016

Image-guided, Laser-based Fabrication of Vascular-derived Microfluidic Networks

Image-guided, Laser-based Fabrication of Vascular-derived Microfluidic Networks

Published on: January 3, 2017

Area of Science:

Biomedical Engineering
Tissue Engineering
Fluid Dynamics

Background:

Convective nutrient delivery is crucial for tissue engineered (TE) products.
Integrated microvasculature in TE products minimizes mass transport limitations during in vitro growth and in vivo integration.

Purpose of the Study:

To develop an approach for designing optimal synthetic microvasculature networks.
To maximize mass transport efficiency within tissue engineered products for a given pressure drop.

Main Methods:

Utilized a planar bifurcating network as a basis for network design.
Formulated an optimization problem for a TE skin product, considering rectangular and square duct flows.
Employed a generalized reduced gradient algorithm to solve the optimization problem.

Main Results:

Rectangular ducts demonstrated superior mass transport characteristics compared to square ducts.
Achieved significantly higher microvascular area per volume values than previously reported.
Investigated the influence of network variables like porosity and generations on optimal designs.

Conclusions:

The developed approach provides an engineering basis for rational design of TE products with integrated microvasculature.
This research facilitates the creation of complex flow networks with optimized mass transfer properties.
Optimized network designs enhance nutrient delivery, crucial for TE product viability and integration.