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 ...

This is the second of five long vowel programmes in our series of videos that explore the sounds of English. This is the second of eight other consonant programmes in our series of videos that explore ...

This is the fifth of eight voiceless consonant programmes in our series of videos that explore the sounds of English. This is the fifth of seven short vowel programmes in our series of videos that ...

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, ...

The agricultural industry widely uses urea, a white crystalline solid containing 46 percent nitrogen, as an animal feed additive and fertilizer. Here, we’ll focus on its role as a nitrogen fertilizer.