The presence of catalase, gelatinase, oxidase, urease, for example, can be used to identify the species of bacteria. Biochemical reactions used in biochemical tests depend on the presence of such ...

This was a prospective, single-center study of biochemical tests for pheochromocytoma ... and metanephrines was performed on a 24 h urine sample collected in 6 M HCl. Free catecholamines were ...