University of Regensburg Trenner Faculty of Chemistry Trenner Analytical Chemistry
Chemo- and Biosensor Group

Major Accomplishments in Bioanalytical Fluorescence

    In Optical Sensor Technology

  • first optical chemical sensor ever commercialized (1984)
  • first 2-parameter sensor (halothane & oxygen, 1985)
  • use of ion carriers in optical sensing (1986)
  • use of potential-sensitive dyes in optical sensing (1986)
  • first LED-based chemical sensor (1986)
  • first ruthenium complexes as probes for oxygen (1986)
  • first optical sensor for detection of enzyme activity (1986)
  • first lifetime-based optical sensor (oxygen, 1988)
  • multi-color sensor (for CO2/O2, 1988)
  • microbial optical sensor (1992)
  • capillary sensors (1995)
  • microplates with integrated optical chemical sensors (1996; oxygen, pH)
  • dual lifetime referenced (DLR) sensors (2000)
  • chloride sensor for blood (2004)
  • first optical chemical sensor based on upconverting nanoparticles (2009)

    In Fluorescence Spectroscopy

  • 2D-spectra of serum and urine, and interpretation of peaks (1983-1986)
  • dual luminophore referencing (DLR, 1997) as an alternative to lifetime sensing
  • modified dual DLR sensing (time domain & frequency domain) (2006)

    In Imaging

  • DLR imaging (2001)
  • detection of skin tumor via oxygen imaging
  • monitoring cell growth (chondrocytes) via imaging of pH and oxygen
  • methods for imaging hydrogen peroxide, glucose, and glucose oxidase (2003 – 2005)
  • simultaneous imaging of oxygen and temperature (2006)
  • imaging of wound pH (2011)

    In Designing Fluorescent Probes

  • first chloride-sensitive probes (1982-1984)
  • diode-laser excitable and specific probe for albumin (1992)
  • fluorescent ruthenium probe for saccharides (1998)
  • EuTc as a Eu3+-based fluorescent probe for hydrogen peroxide (2002)
  • optically encoded nanobeads for bioassays (2003)
  • fluorescent probes (Eu3+-based) for phosphate and phosphate esters (2004)
  • terbium-based ultrasensitive DNA probe (2005)

© 2008, Thomas Hirsch, Gisela Emmert.