What question did this study set out to answer?

The aim is to develop a highly sensitive platform for the detection and quantification of extracellular vesicles using an electrochemical method.

April 24, 2026Microchimica ActaOpen Access

Ultrasensitive electrochemical dipstick lateral flow immunoassay for extracellular vesicle quantification using starch-iodine functionalized gold nanoparticles

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Demonstrates a sensitive electrochemical method for quantifying extracellular vesicles in human plasma, suggesting improved clinical diagnostics.

The aim is to develop a highly sensitive platform for the detection and quantification of extracellular vesicles using an electrochemical method.
Developed an electrochemical lateral flow immunoassay for EV detection.
Utilized starch-iodine functionalized gold nanoparticles for the assay.
Isolated EVs from human plasma using a polymer precipitation kit.
Achieved a detection limit of 9 EVs/µL, surpassing conventional optical methods.
Demonstrated recovery rates above 98% with validation on real biological samples.
Established the platform as a robust and reproducible tool for clinical diagnostics.

Saweres-Argüelles et al. (2026) studied this question.

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Demonstrates a sensitive electrochemical method for quantifying extracellular vesicles in human plasma, suggesting improved clinical diagnostics.