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Research areas

The research interests of the group are mainly concerned with biophotonics. In particular, the development and application of innovative Raman techniques for biomedical diagnostics as well as environmental and food analysis is at the heart of our interest. Currently, research mainly focuses on the development and application of innovative Raman-based methods to answer biomedical questions. Raman spectroscopy and the various Raman-based technologies, e. g. Raman microscopy, SERS, TERS or CARS, are extremely powerful tools to address a broad spectrum of bioanalytical and biomedical problems like rapid pathogen identification, sensitive monitoring of low-concentrated molecules (e. g. drugs, metabolites) or objective clinical cell and tissue diagnostics for an early diagnosis of cancer. In this context, Raman methods are utilized and developed according to the needs of pathology, oncology, and infection/sepsis.

Teaching fields

Prof. Popp gives courses in:

  • fundamentals of physical chemistry
  • innovative spectroscopy and imaging approaches for biophotonics
  • Raman spectroscopy for biomedical diagnostics

Research methods

The laboratories led by Prof. Popp offer a wide range of laser (micro)spectroscopic methods, at which almost the complete value chain of Raman-based approaches is available:

  • Raman (micro)spectroscopy with excitation wavelengths ranging from the UV into the NIR
  • resonance Raman (micro)spectroscopy
  • surface enhanced Raman spectroscopy (SERS)
  • IR absorption/ ATR-IR spectroscopy
  • coherent anti-Stokes Raman (CARS) microscopy
  • second harmonic generation (SHG) microscopy
  • multi-photon excited fluorescence microscopy
  • UV/ Vis absorption spectroscopy
  • steady state fluorescence spectroscopy
  • optical coherence tomography

>> link to the Biophotonics Group

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