ASCORBIC acid has been found to have a marked inhibitory effect on urease activity. With some preparations of the enzyme, the formation of ammonia from urea is completely inhibited by a concentration ...
Abstract: A fiber-optic urea sensor based on surface plasmon resonance (SPR) and Mach-Zehnder interference (MZI) combined principle was designed and implemented. By plating gold film on the ...
Study on the disposable urea biosensors based on PVC-COOH membrane ammonium ion-selective electrodes
Abstract: A potentiometric urea biosensor is prepared by the immobilization of urease directly onto the surface of a solid-state ammonium ion-selective electrode. The enzyme is immobilized by ...
Background We present a case of severe neurological symptoms caused by hyperammonemia, secondary to a urinary tract infection with urea-splitting bacteria. Investigations Blood analysis, urinalysis, ...
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