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Real-time molecular imaging of near-surface tissue using Raman spectroscopy

Light(Science & Applications) 2022年第5期11卷 820-831页

作者： Wei Yang florian knorr Ines Latka Matthias Vogt Gunther O.Hofmann Jürgen Popp Iwan W.Schie Leibniz Institute of Photonic Technology Jena Albert-Einstein-Straße 907745 JenaGermany Department of Trauma Hand and Reconstructive SurgeryUniversity Hospital JenaAm Klinikum 107747 JenaGermany Institute of Physical Chemistry and Abbe Center of Photonics Friedrich-Schiller University JenaHelmholtzweg 407743 JenaGermany Department of Medical Engineering and Biotechnology University of Applied Sciences-JenaCarlZeiss-Promenade 207745 JenaGermany

The steady progress in medical diagnosis and treatment of diseases largely hinges on the steady development and improvement of modern imaging *** spectroscopy has attracted increasing attention for clinical applications as it is label-free,non-invasive,and delivers molecular fingerprinting information of a *** combination with fiber optic probes,it also allows easy access to different body parts of a ***,image acquisition with fiber optic probes is currently not ***,we introduce a fiber optic probe-based Raman imaging system for the real-time molecular virtual reality data visualization of chemical boundaries on a computer screen and the physical *** approach is developed around a computer vision-based positional tracking system in conjunction with photometric stereo and augmented and mixed chemical reality,enabling molecular imaging and direct visualization of molecular boundaries of three-dimensional *** proposed approach achieves a spatial resolution of 0.5 mm in the transverse plane and a topology resolution of 0.6 mm,with a spectral sampling frequency of 10 Hz,and can be used to image large tissue areas in a few minutes,making it highly suitable for clinical tissueboundary demarcation.A variety of applications on biological samples,i.e.,distribution of pharmaceutical compounds,brain-tumor phantom,and various types of sarcoma have been characterized,showing that the system enables rapid and intuitive assessment of molecular boundaries.

关键词： diagnosis enable intuitive

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