University of Michigan

Martin Patrick De Beer

Mark A Burns

Timothy F Scott

Megan A Cole

Zachary D Pritchard

Avi Bregman

Harry Van Der Laan

Kevin R Ward

Frederick Korley

Alyse D Krausz

Sarah Elizabeth Mena

Provided herein is technology relating to polymerization and producing polymers and particularly, but not exclusively, to methods, systems, and compositions for producing articles using three-dimensional printing and for improving control of polymerization using a polymerization photoinhibitor having fast back reaction kinetics such as hexaarylbiimidazole compounds and bridged hexaarylbiimidazole compounds.

Polymerization photoinhibitor

A microfluidic device system includes a channel having an entrance and an exit, a height at the entrance being greater than a height at the exit. The height of the channel may decrease continuously from the height at the entrance to the height at the exit. Cells or particles or beads traveling through the channel become trapped based on their size and/or deformability. A visual sensor captures images of the trapped cells or particles or beads, and image software analyzes the captured images to provide size and/or deformability and/or fluorescence information. A method of fabricating such a microfluidic device includes introducing a glass wafer to an etching solution at a specific rate such that a first end of the glass wafer is etched longer than other portions of the glass wafer.

Microfluidic device for size and deformability measurements and applications thereof

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Ann Arbor, MI, United States of America

Martin Patrick De Beer