1
Hermann Marsoner, Herbert Kroneis, Hellfried Karpf, Otto S Wolfbeis, Helmut List, Alfred Leitner: Sensor element for determination of concentration of substances. AVL Medical Instruments, Watson Cole Grindle & Watson, October 20, 1992: US05157262 (67 worldwide citation)

Due to the size of the devices used for the excitation and measuring of light, conventional sensor elements for optically determining the concentrations of substances contained in gaseous and liquid samples, featuring an indicator layer with one or more indicator substances, are not well suited for ...


2
Hermann Marsoner, Herbert Kroneis, Hellfried Karpf, Otto S Wolfbeis, Helmut List, Alfred Leitner: Sensor element for determination of concentration of substances. AVL, Watson Cole Grindle & Watson, August 13, 1991: US05039490 (59 worldwide citation)

Due to the size of the devices used for the excitation and measuring of light, conventional sensor elements for optically determining the concentrations of substances contained in gaseous and liquid samples, featuring an indicator layer with one or more indicator substances, are not well suited for ...


3
Hermann Marsoner, Hellfried Karpf, Alfred Leitner: Sensor element for determination of concentration of substances. AVL, Watson Cole Grindle & Watson, July 5, 1988: US04755667 (33 worldwide citation)

A sensor element for use in determining the concentrations of substances contained in gaseous and liquid samples includes a carrier layer and an indicator layer containing one or more indicator substances whose optical properties change depending on the concentration of the substances to be measured ...