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This study presents a novel fiber optic method for hyperbilirubinemia theranostics. The approach successfully removes excess bilirubin from blood, aiding diagnosis and treatment guidance.

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Area of Science:

  • Biomedical instrumentation
  • Optical sensing
  • Theranostics

Background:

  • Hyperbilirubinemia, characterized by elevated blood bilirubin, poses risks, especially in newborns.
  • Current theranostic methods face challenges in simultaneous diagnosis, treatment, and guidance.
  • Bilirubin deposition on sensor surfaces can impede accurate measurement.

Purpose of the Study:

  • To develop an evanescent field-based fiber optic strategy for hyperbilirubinemia theranostics.
  • To address the challenge of bilirubin deposition on sensor surfaces.
  • To enable simultaneous diagnosis, treatment, and guidance for hyperbilirubinemia.

Main Methods:

  • Development of an evanescent field-based fiber optic sensor.
  • Testing the sensor in a blood phantom solution with controlled bilirubin levels.
  • Demonstrating bilirubin removal and degradation using the fiber optic strategy.
  • Utilizing chromatography paper as a model biological membrane for degradation studies.

Main Results:

  • Successful removal of bilirubin from a blood phantom solution, reducing levels from 77 μM/l to approximately 30 μM/l.
  • Demonstrated efficient degradation of bilirubin under continuous optical monitoring.
  • Addressed and mitigated the issue of bilirubin deposition on the fiber optic surface.

Conclusions:

  • The developed fiber optic strategy shows potential for noninvasive hyperbilirubinemia theranostics.
  • The method allows for effective bilirubin reduction and continuous monitoring for treatment guidance.
  • This approach offers a promising solution for managing hyperbilirubinemia and preventing associated complications.