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Microfluidics-Based Engineering of Molecular Self-Assembly and Manufacturing for Artificial Cell Systems.

Hiroaki Suzuki¹

¹School of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan.

ACS Synthetic Biology

|June 26, 2026

Summary

Creating functional, cell-sized artificial systems requires combining molecular self-assembly with microfluidics. This approach overcomes natural limitations, enabling robust artificial cell development for various applications.

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Area of Science:

Synthetic biology
Mesoscale engineering
Biofabrication

Background:

Bottom-up synthetic biology excels at nanoscale design but struggles with cell-sized systems due to self-assembly's randomness.
Natural cells use active mechanisms to maintain size, identity, and hierarchy, overcoming thermodynamic limitations.
Constructing robust, functional artificial cells necessitates overcoming the stochasticity inherent in molecular self-assembly.

Purpose of the Study:

To propose a synergistic approach combining intrinsic molecular self-assembly with deterministic engineering for robust artificial cell construction.
To reframe microfluidics as a platform for guiding and amplifying molecular self-assembly, rather than merely replacing biological regulation.
To outline a hierarchical categorization of microfluidic platforms for building complex artificial systems.

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Published on: March 13, 2016

Patterning of Microorganisms and Microparticles through Sequential Capillarity-assisted Assembly

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Published on: November 4, 2021

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Main Methods:

Review and synthesis of current synthetic biology and microfluidics approaches.
Categorization of microfluidic platforms into four hierarchical levels (molecular assembly to multicellular bodies).
Discussion of engineering strategies to recapitulate or replace biological regulatory systems.

Main Results:

A framework for understanding how microfluidics can guide molecular self-assembly to create functional mesoscale systems.
Demonstration of how engineering can overcome the limitations of pure self-assembly.
Identification of a paradigm shift towards standardized biofoundries for artificial cell production.

Conclusions:

A synergy between self-assembly and microfluidic engineering is crucial for robust artificial cell development.
Microfluidics provides essential extrinsic physical boundary conditions to guide molecular self-assembly.
Standardized biofoundries and manufacturing breakthroughs are needed to democratize artificial cell technology for industrial and biomedical use.