Marcel Madaras

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A new class of coumarin-based iridium tris-cyclometalated complexes has been developed. These complexes are highly emissive, with emission colors ranging from green to orange-red. Besides modification of ligand structures, color tuning was realized by incorporation of ligands with different electrochemical properties in a heteroleptic structure. The organic(More)
Miniaturized, disposable amperometric biosensors for determination of creatinine in human serum are described. The base electrodes are fabricated using micro-electronics techniques, to build a multilayer film structure on a polyimide foil. By using a thin electropolymerized film of poly(1,3-diaminobenzene), the electrochemical interferences from ascorbate,(More)
Glutamine membranes for amperometric measurements are described. The interference of the endogenous glutamate is greatly diminished by using a supplementary "anti-glutamate" layer consisting of immobilized glutamate oxidase and catalase on top of the glutamine-sensitive layer having co-immobilized glutaminase and glutamate oxidase. The use of polycarbonate(More)
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