Printed high precision 3D printing improves systems for microfluidics

Source: Uni Heidelberg | Translated by AI 1 min Reading Time

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The Core Facility Microfluidics at the University of Heidelberg successfully uses the 3D printing technology of Projection Micro Stereolithography ("PµSL") from Boston Micro Fabrication (BMF).

Here, one looks at so-called UH-100 meshes. The component was manufactured with a BMF printer at the University of Heidelberg. The chosen printer was the only one that could meet the requirements. Here are a few words from Heidelberg ...(Image: BMF)
Here, one looks at so-called UH-100 meshes. The component was manufactured with a BMF printer at the University of Heidelberg. The chosen printer was the only one that could meet the requirements. Here are a few words from Heidelberg ...
(Image: BMF)

Demanding research projects are supported with microcomponents such as the smallest titer plates, various microfluidic devices, and "organs on a chip," as researchers from the University of Heidelberg (Germany) explain. In 2022, the Institute for Molecular Systems Engineering and Advanced Materials ("IMSEAM") was established there, which develops new materials, methods, and techniques from synthetic and natural building blocks on a molecular level. The Microfluidics Core Facility ("µFlu CF") aims to support all interested research groups with contributions to project design, the production of microfluidic chips, and experiments in biosafety labs. From May 2022, instruments for the production and analysis of microfluidic chips were acquired, including a micro 3D printer.

A printer from BMF was able to meet the requirements

After an extensive market research, a typical design was selected and sent to several providers. The challenge was to print narrow channels with the smoothest possible walls to prevent turbulence later on, it is further stated. As it turned out, only BMF was able to perfectly produce the sample part. The company developed projection micro-stereolithography to achieve the right resolution and precision for microfabrication. Consequently, the Heidelberg team decided on the Microarch S140 3D printer from BMF, a desktop model with a resolution capability of 10 micrometers, as emphasized. Since September 2023, the Microarch S140 has been working around the clock—only interrupted by a Christmas break. In addition to resin, the experts would also like to process elastic materials additively in the future—such as for a synthetic lung as an "organ on a chip," as it is concluded.

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