journal article·2025-06Open access

Utilizing Two Electrokinetic Techniques on a Single Device for Detection of Extracellular Vesicle‐Associated Protease Activity (Small 24/2025)

Ella Stimson, Delaney Shea, Michelle M. Gomes, Srivathsan Ranganathan, Sarah Mitchell, Jason Ware, Randall Armstrong, Christian Ross, Michael Heller, Stuart D. Ibsen

Small· Volume 21· Issue 24

Abstract

Protease Activity Two different types of electrokinetic forces can be generated on the same electrode array to manipulate both nanoparticles and small molecules separately. This is used to quantify protease activity of cancer-derived extracellular vesicle nanoparticles for clinical diagnostics. The first force is dielectrophoresis that attracts extracellular vesicle nanoparticles to the circular electrode edges. The second force is electrophoresis that draws charged molecular byproducts from protease activity to the electrode centers. More in article number 2404457, Stuart D. Ibsen and co-workers.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Lipid Membrane Structure and Behavior · Microbial Inactivation Methods · Microfluidic and Bio-sensing Technologies

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Affiliations

Cancer Early Detection Advanced Research Center Knight Cancer Institute Oregon Health & Science University Portland OR 97201 USA

Department of Biomedical Engineering School of Medicine Oregon Health & Science University Portland OR 97201 USA

Department of NanoEngineering University of California San Diego San Diego CA 92093 USA

References

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