FAB-MS is a useful technique for the rapid screening of metabolites in the urine and faeces of patients with porphyria. It provides characteristic porphyrin profiles without the need for lengthy chromatographic separations.
FAB-MS is a useful technique for the rapid screening of metabolites in the urine and faeces of patients with porphyria. It provides characteristic porphyrin profiles without the need for lengthy chromatographic separations.