1.
Anal Biochem
; 629: 114294, 2021 09 15.
Artículo
en Inglés
| MEDLINE
| ID: mdl-34197779
RESUMEN
The aim of the study was to modify a simple and widely used spectrophotometric assay for MAO activity evaluation with 2,4-dinitrophenylhydrazine. A modified procedure includes molar absorption coefficients of 2,4-DNP-hydrazone benzaldehyde and 2,4-DNP-hydrazone 5-hydroxyindolylacetaldehyde as 2.3 × 104mol-1l cm-1 and 1.0 × 104 mol-1l cm-1, respectively. Such an approach allows to express specific enzyme activity as nmol product formed/min/mg protein.