Biosensors for Early Detection of Lung Cancer Biomarkers
Author Information
Author(s): Mahdi Arabnejad, Ibtisam E. Tothill, Iva Chianella
Primary Institution: Cranfield University
Hypothesis
Can impedimetric biosensors effectively quantify serum biomarkers for early lung cancer detection?
Conclusion
The developed impedimetric biosensors successfully quantified CEA and NSE in serum, demonstrating their potential for early lung cancer diagnosis.
Supporting Evidence
- The biosensors achieved clinically relevant detection limits of 0.26 ng/mL for CEA and 0.18 ng/mL for NSE in buffer.
- The sensors demonstrated linear responses in clinically relevant concentration ranges of 1–100 ng/mL.
- Cross-reactivity tests showed minimal responses to non-specific proteins, indicating specificity.
Takeaway
Scientists created special sensors that can find early signs of lung cancer by measuring certain proteins in blood. This could help doctors catch the disease sooner.
Methodology
The study developed impedimetric biosensors using magnetic nanobeads and screen-printed gold electrodes to detect CEA and NSE in serum samples.
Limitations
The sensors have not yet been fully exploited in commercial devices and require further optimization for clinical use.
Digital Object Identifier (DOI)
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