Ferrosens Gmbh

Michael Grossman

Herbert Stepp

Gary M Brittenham

Georg Hennig

Christian Homann

The present invention is directed to an apparatus () for reliable quantitative measurement of a fluorescent blood analyte in tissue () comprising: at least one light source (), the light source () emitting excitation light at least at a first wavelength range between 350 nm and 450 nm to the tissue (); a detection unit (), the detection unit () measuring: a) a portion of the fluorescent light emitted by the fluorescent blood analyte excited at the first wavelength range; and b) a portion of the auto fluorescence emitted by the tissue (); and/or c1) a portion of the remitted excitation light at the first wavelength range, and c2) a portion of the remitted light at a second wavelength range; and a control unit (), the control unit () operating the light source () and detection unit (). The present invention is further directed to a method for quantitative measurement of a fluorescent blood analyte in tissue ().

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Munich, Germany

Michael Grossman