Physiologically active amines in common fruits and vegetables

A fluorometric method for the estimation of tyrosine in plasma and tissues.

T. Phillip Waalkes, Sidney Udenfriend · PubMed · 1957 · 972 citations

A Fluorimetric Method for the Determination of Dopamine (3‐Hydroxytyramine.)

Arvid Carlsson, Bertil Waldeck · Acta Physiologica Scandinavica · 1958 · 622 citations

Psychopharmacology, Tri‐hydroxyindole Method, Experimental Pharmacology +19

THE ESTIMATION OF 5-HYDROXYTRYPTAMINE (SEROTONIN) IN BIOLOGICAL TISSUES

Sidney Udenfriend, Herbert Weissbach, Carroll T. Clark · Journal of Biological Chemistry · 1955 · 422 citations · Full text

In Biological Tissues, Neurophysiology, Medicine +6

Serotonin, Norepinephrine, and Related Compounds in Bananas

T. Phillip Waalkes, Albert Sjoerdsma, Cyrus R. Creveling et al. · Science · 1958 · 232 citations

Medicine, Physiology, Neurotransmitter +4

Precursors of adrenal epinephrine and norepinephrine in vivo

Sidney Udenfriend, James Β. Wyngaarden · Biochimica et Biophysica Acta · 1956 · 163 citations

Adrenal Gland, Medicine, Physiology +6