1
Martinus H Kuypers, Gerardus F J Steeghs: Polarographic-amperometric three-electrode sensor. Biomedical Systems, McGlew & Tuttle, March 19, 1991: US05000180 (192 worldwide citation)

For a potentiostatically operable, polarographic-amperometric sensor, in particular for biomedical use, wherein a working electrode (5) and a reference electrode (4) are covered by an electrolyte layer (9) which is separated from the medium to be measured by a semipermeable membrane (8), the inventi ...


2
Martinus H Kuypers, Gerardus F J Steeghs, Egbert Brinkmann: Method of providing a substrate with a layer comprising a polyvinyl based hydrogel and a biochemically active material. 501 PPG Biomedical Systems, McGlew & Tuttle, July 28, 1992: US05134057 (65 worldwide citation)

Disclosed is a method of providing a substrate with a layer comprising a polyvinyl base hydrogel and a biochemically active material by photolithograhy, comprising coating the substrate by centrifugal force with an aqueous solution of a photosensitive hydrogel forming polymer, a crosslinking agent a ...


3
Martinus H Kuypers: Clark cell with hydrophylic polymer layer. Honeywell, Mitchell J Halista, Trevor B Joike, January 8, 1985: US04492622 (48 worldwide citation)

An electro-chemical cell for determining a particular property or component of a fluid includes a cathode electrode, an anode electrode spaced from the cathode, an electrolyte filling a space containing the cathode and anode electrodes, a selectively permeable membrane separating the electrodes and ...