Breakthrough in Bladder Cancer Detection: Novel Optical Fiber Sensor Offers High Sensitivity and Real-time Monitoring

Strategic Insights -

Researchers at Lanzhou University have developed a novel optical fiber sensor based on surface plasmon resonance technology that allows for noninvasive detection of bladder cancer biomarkers with high sensitivity and real-time monitoring. This innovative approach has the potential to revolutionize early detection and screening of bladder cancer, a disease that poses significant health threats due to high rates of recurrence and metastasis.

Key Takeaways:

  • The novel optical fiber sensor uses surface plasmon resonance technology to detect bladder cancer biomarkers such as nuclear matrix protein 22 (NMP22) with high sensitivity and real-time monitoring.
  • The sensor demonstrated effective detection of NMP22 in real urine samples, exhibiting excellent reproducibility, stability, and selectivity.
  • Comparative analysis with standard enzyme-linked immunosorbent assay (ELISA) revealed that the optical fiber sensor offers comparable analytical performance.
  • The research was supported by the National Natural Science Foundation of China (NSFC), Science and Technology Program of Gansu Province, and Special Fund Project for Central Guiding Local Science and Technology Development.
  • Liyun Ding, Shiyuan Wang, Shenghu Wei, Kun Cheng, Siyu Chen, Li Yang, Ning Wang, and Tuanjie Che were among the authors of the research, led by Lanzhou University.

Statistics:

  • The optical fiber sensor demonstrated a strong correlation between immunoreactivity between NMP22 and antibody and the drift of the SPR peak.
  • The sensor offered comparable analytical performance to standard ELISA, indicating its potential for noninvasive clinical applications.
  • The research was conducted at Lanzhou University, School of Physical Science and Technology, Lanzhou 730000, People's Republic of China.

Sources:

  • "Early Detection and Screening of Bladder Cancer Based On a Novel Optical Fiber Surface Plasmon Resonance Sensor" (Ieee Sensors Journal, 2025;25(13):24030-24037)
  • "Researchers from Lanzhou University Report Findings in Bladder Cancer (Early Detection and Screening of Bladder Cancer Based On a Novel Optical Fiber Surface Plasmon Resonance Sensor)" (Health & Medicine Week, August 1, 2025; p 4167)