| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
(a) First layer comprising pH-sensitive fluorophore (acridine orange) immobilized non-aq. within first hydrophobic polymer (Et cellulose), wherein the fluorophore is protonated within first hydrophobic polymer, can react quantitatively with NH3, & has a transducing moiety that is neutrally charged when deprotonated (b) Second layer comprising urease & second polymer (polyvinyl alc.), first side of second layer contacting one side of first layer (c) Third layer comprising polyhydroxymethylmetha crylate, third layer contacting second side of second layer |
| PATENT PHOTOCOPY | Available on request |
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