Breakthrough in Lung Cancer Detection: Novel Electrochemical Biosensor System

Researchers at Universiti Malaya in Kuala Lumpur, Malaysia, have developed a novel wireless electrochemical biosensor potentiostat system for the detection of lung cancer biomarkers. The system, enhanced with machine learning and Internet of Things (IoT) integration, offers a rapid and sensitive alternative to traditional detection methods. According to the World Health Organization, lung cancer is one of the leading causes of cancer-related deaths globally, with approximately 2.5 million new cases and 1.8 million deaths reported annually.

Key Takeaways:

  • The novel electrochemical biosensor potentiostat system achieves a limit of detection (LoD) of $2\times 10^{1}$ particles/mL and a sensitivity of $5.188~\mu \text {A}$ per log concentration unit.
  • The system supports advanced electrochemical techniques such as cyclic voltammetry (CV) and square wave voltammetry (SWV) and has a high sensitivity of 87.5% for SWV cases.
  • The integrated random forest classifier enables fast and automated data interpretation, achieving accuracy rates of 83.5% and 87.5% for CV and SWV cases, respectively.
  • The device is portable, energy efficient, cost-effective, and high sensitive, making it suitable for point-of-care diagnostics.
  • The system is designed to be scalable and offers a smart solution for early detection and improved prognosis in lung cancer management.
  • The research has been funded by the Universiti Malaya Impact Oriented Interdisciplinary Research Grant (Iirg) Program.

Statistics:

  • Approximately 2.5 million new cases of lung cancer are reported annually worldwide.
  • 1.8 million deaths from lung cancer are reported annually worldwide.
  • The novel electrochemical biosensor potentiostat system achieves a LoD of $2\times 10^{1}$ particles/mL.
  • The system has a sensitivity of $5.188~\mu \text {A}$ per log concentration unit.
  • The integrated random forest classifier achieves accuracy rates of 83.5% and 87.5% for CV and SWV cases, respectively.

Sources:

  • Research from Universiti Malaya Provides New Study Findings on Electrochemical Biosensor (A Wireless and Machine Learning-Based Electrochemical Biosensor Potentiostat System for CD63 Protein Detection in Lung Cancer Biomarkers). Cancer Weekly. October 28, 2025; p 591.
  • A Wireless and Machine Learning-Based Electrochemical Biosensor Potentiostat System for CD63 Protein Detection in Lung Cancer Biomarkers. IEEE Access, 2025,13():172341-172358. (IEEE Access - http://ieeexplore.ieee.org/servlet/opac?punumber=6287639).