Reusable MoS₂ RF biosensor enables cost-effective liquid biopsies for early cancer detection
Phys.org
February 26, 2026
AI-Generated Deep Dive Summary
A groundbreaking reusable biosensor made from molybdenum disulfide (MoS₂) has been developed by researchers at UNIST, offering a cost-effective solution for early cancer detection through liquid biopsies. This innovative device can be washed and reused multiple times, significantly reducing the costs and complexity traditionally associated with cancer diagnostics. The study, published in *Sensors and Actuators B: Chemical*, highlights how this biosensor platform could revolutionize access to non-invasive cancer screening, making it more affordable and practical for widespread use.
The biosensor operates by detecting specific biomarkers in blood samples, such as exosomes or circulating tumor cells, which are key indicators of cancer. Unlike traditional methods that require disposable components and costly reagents, this reusable sensor leverages the unique properties of MoS₂ to achieve high sensitivity and selectivity. Its ability to withstand multiple washing cycles without losing performance makes it a sustainable alternative for clinical diagnostics.
This advancement is particularly significant because liquid biopsies are less invasive than tissue samples and can detect cancer at earlier stages, improving patient outcomes. By reducing costs and simplifying the diagnostic process, this biosensor could make early cancer detection more accessible, especially in resource-limited settings. The research also opens new avenues for developing next-generation biosensors that combine high performance with affordability and sustainability.
The development of a reusable MoS₂-based biosensor represents a major leap forward in cancer diagnostics. It not only addresses the challenges of cost and accessibility but also underscores the potential of nanotechnology to transform healthcare. By enabling early detection through non-invasive methods, this innovation could save countless lives and pave the way for more widespread implementation of liquid biopsy techniques.
In summary, the UNIST team's breakthrough in reusable biosensor
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Originally published on Phys.org on 2/26/2026