Algorithm for a microfluidic assembly line
Tobias M. Schneider, Shreyas Mandre, Michael P. Brenner
TL;DR
This paper presents a sequential assembly algorithm for microfluidic systems capable of constructing complex 3D structures, demonstrated by creating the entire English alphabet from particles using a modified Hele-Shaw cell.
Contribution
It introduces a novel algorithm for microfluidic assembly that enables the creation of arbitrary 3D structures from identical particles.
Findings
Sequential algorithm can assemble arbitrary 3D structures.
Modified Hele-Shaw cell can produce the entire alphabet.
Demonstrates feasibility of complex microfluidic assembly.
Abstract
Microfluidic technology has revolutionized the control of flows at small scales giving rise to new possibilities for assembling complex structures on the microscale. We analyze different possible algorithms for assembling arbitrary structures, and demonstrate that a sequential assembly algorithm can manufacture arbitrary 3D structures from identical constituents. We illustrate the algorithm by showing that a modified Hele-Shaw cell with 7 controlled flowrates can be designed to construct the entire English alphabet from particles that irreversibly stick to each other.
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