Acoustic Whole Blood Plasmapheresis Chip for Prostate Specific Antigen Microarray Diagnostics
- 13 July 2009
- journal article
- research article
- Published by American Chemical Society (ACS) in Analytical Chemistry
- Vol. 81 (15), 6030-6037
- https://doi.org/10.1021/ac9013572
Abstract
The generation of high quality plasma from whole blood is of major interest for many biomedical analyses and clinical diagnostic methods. However, it has proven to be a major challenge to make use of microfluidic separation devices to process fluids with high cell content, such as whole blood. Here, we report on an acoustophoresis based separation chip that prepares diagnostic plasma from whole blood linked to a clinical application. This acoustic separator has the capacity to sequentially remove enriched blood cells in multiple steps to yield high quality plasma of low cellular content. the generated plasma fulfills the standard requirements ( 0.99) in the generated plasma via fluorescence readout without any signal amplification at clinically relevant levels (0.19-21.8 ng/mL).Keywords
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