thus , intravascular protein tracers such as evans ' blue-albumin , 125i-labelled albumin , horseradish peroxidase ( ed 1.11.1.7 ) and alpha-mannosidase ( ec 3.2.1.24 ) are allowed into the brain , and uptake of [ 3h ] norepinephrine ( noradrenaline ) is increased more than twofold above a normal rate of accumulation by brain .
C0033684
protein
C0001924
albumin