blood protein analysis blood enzyme activity assay 2013-11-13T10:42:42Z Any method which quantifies the catalytic effect exerted by an enzyme, a protein that acts as a catalyst, increasing the rate at which a chemical reaction occurs without itself being destroyed or altered upon completion of the reaction, in blood, the fluid that circulates through the heart, arteries, capillaries and veins carrying nutrients and oxygen to the body tissues and metabolites away from them. JSmith MMO:0000429 blood enzyme activity analysis blood enzyme activity test measurement_method_ontology enzyme or transport activity assay