S Udenfriend

BLOCKADE OF ENDOGENOUS NOREPINEPHRINE SYNTHESIS BY α-METHYL-TYROSINE, AN INHIBITOR OF TYROSINE HYDROXYLASE

S. Spector, Albert Sjoerdsma, S Udenfriend · Journal of Pharmacology and Experimental Therapeutics · 1965 · 194 citations

Medicine, Neuroscience, Pharmacology +12

Initial stages in the biosynthesis of porphyrins. 1. The formation of δ-aminolaevulic acid by particles obtained from chicken erythrocytes

W.G. Laver, A. Neuberger, S Udenfriend · Biochemical Journal · 1958 · 90 citations · Full text

Life Sciences, Biochemistry, Cellular Metabolism +5

Improvements in methods for measuring hydroxyproline: application to human urine.

Chikage Mitoma, Smith Te, JD Davidson et al. · PubMed · 1959 · 48 citations

Life Sciences, Biochemistry, Clinical Biochemistry +4

2,4,5-TRIHYDROXYPHENETHYLAMINE, A NEW METABOLITE OF 3,4-DIHYDROXYPHENETHYLAMINE

Siro Senoh, B. Witkop, Cyrus R. Creveling et al. · Journal of the American Chemical Society · 1959 · 46 citations

Natural Sciences, Chemistry, Pharmacology +7

Oxindole Analogs of (5-Hydroxy)-tryptamine and -tryptophan, as Inhibitors of the Biosynthesis and Breakdown of Serotonin¹

Kurt Freter, Herbert Weissbach, Betty Redfield et al. · Journal of the American Chemical Society · 1958 · 43 citations

Medicine, Medicinal Chemistry, Pharmacology +10