D4 assay brings 3D printing to the point-of-care

Written by Freya Leask

Researchers at Duke University have developed a 3D printed antibody assay for disease screening. Disease screening is a large part of public health initiatives, but current enzyme-linked immunosorbent assays can take up to 24 hours to produce a result. However, in a paper recently published in Proceedings of the National Academy of Sciences, scientists at Duke University (NC, USA) describe a 3D printed device that could produce a result in a matter of minutes. The D4 assay consists of a self-contained device that utilizes an array of antibodies bioprinted onto a glass slide and can detect low levels of antigens....

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