High-Resolution Terahertz Spectroscopy for Medical Diagnostics

Area of Science:

• Analytical Chemistry
• Spectroscopy
• Medical Diagnostics

Background:

• Metabolomics offers a promising approach for disease diagnostics and therapy monitoring.
• Terahertz (THz) nonstationary spectroscopy is a highly sensitive method for analyzing multicomponent gas mixtures.
• Identifying metabolites in thermal decomposition products of biological samples is crucial for medical insights.

Purpose of the Study:

• To apply high-resolution terahertz spectroscopy for analyzing biological samples from patients with specific diseases.
• To identify characteristic sets of metabolites that signify particular pathologies.
• To investigate pathologic tissues from various life support systems for commonalties.

Main Methods:

• Utilized terahertz nonstationary spectroscopy to study the induction and disintegration of polarization in gas mixtures.
• Analyzed resonance frequency interactions between radiation and molecules in biological samples.
• Performed spectral measurements on pathologically changed tissues, including cysts from different life support systems.

Main Results:

• Successfully applied high-resolution terahertz spectroscopy to biological samples from patients with ear-nose-throat diseases and similar pathologies.
• Detected characteristic sets of metabolites indicative of specific disease states.
• Achieved world-first spectral measurements of pathologic cyst samples, revealing similar substances in tissues with identical pathologies.

Conclusions:

• Terahertz spectroscopy is a powerful tool for identifying disease-specific metabolites in biological samples.
• The findings demonstrate the potential of this technique for medical diagnostics and pathology research.
• The identification of similar metabolites across different life support systems suggests conserved pathological pathways.