Analysis of Melatonin in Human Plasma by Gas Chromatography Negative Chemical Ionization Mass Spectrometry

Radioimmunoassay of Serum Concentrations of Melatonin in Sheep Exposed to Different Lighting Regimens

1976 • 643 citations

Purification and Properties of Hydroxyindole-O-methyl Transferase

1961 • 409 citations

Pulsed positive negative ion chemical ionization mass spectrometry

1976 • 277 citations

Daily Rhythm in Human Urinary Melatonin

1975 • 262 citations

A Specific Radioimmunoassay for Melatonin in Biological Tissue and Fluids and its Validation by Gas Chromatography-Mass Spectrometry

1977 • 201 citations

Nocturnal Elevation of Plasma Melatonin and Urinary 5-Hydroxyindoleacetic Acid in Young Men: Attempts at Modification by Brief Changes in Environmental Lighting and Sleep and by Autonomic Drugs

1976 • 201 citations

HUMAN SERUM MELATONIN CHANGES DURING THE MENSTRUAL CYCLE

1976 • 181 citations

Radioimmunoassay of Melatonin: Human Serum and Cerebrospinal Fluid

1977 • 165 citations

MELATONIN RADIOIMMUNOASSAY

1975 • 139 citations

Gas Chromatographic-Mass Spectrometric Assay of Four Indole Alkylamines of Rat Pineal

1972 • 138 citations

Urinary melatonin rhythms during sleep deprivation in depressed patients and normals

1977 • 132 citations

TWENTY-FOUR-HOUR CYCLE OF A MELATONIN-LIKE SUBSTANCE IN THE PLASMA OF HUMAN MALES

1973 • 113 citations

Antibodies to Indolealkylamines; Serotonin and Melatonin

1974 • 113 citations

Differential extractions for the spectrophotofluorometric measurement of diverse 5-hydroxy- and 5-methoxyindoles

1963 • 108 citations

Vapor phase silylation of laboratory glassware

1976 • 89 citations

A quantitative melatonin bioassay

1970 • 66 citations

SYNCHRONOUS NYCTOHEMERAL RHYTHMS IN HUMAN BLOOD MELATONIN AND IN HUMAN POST‐MORTEM PINEAL ENZYME

1977 • 65 citations

Mass spectral identification of melatonin in blood

1972 • 65 citations

In Vitro Frog Skin Assay for Agents that Darken and Lighten Melanocytes

1960 • 56 citations

Melatonin excretion of man and rats: Effect of time of day, sleep, pinealectomy and food consumption

1975 • 54 citations

Determination of rat pineal gland melatonin content by a radioimmunoassay

1976 • 46 citations

A gas chromatography-mass spectrometry method for the quantitative analysis of melatonin in plasma and cerebrospinal fluid

1977 • 44 citations

Radioimmunoassay for melatonin.

1975 • 40 citations

Absolute identification of melatonin in human plasma and cerebrospinal fluid

1976 • 39 citations

The Fluorometric Determination of Indolealkylamines in Brain and Pineal Gland

1968 • 35 citations

EVIDENCE OF STIMULATION OF GLUCAGON SECRETION BY ALANINE IN THE HUMAN FETUS AT TERM¹

1973 • 32 citations

Mass spectra of some specifically deuterated tryptamines

1977 • 31 citations

A gas-liquid chromatographic assay of melatonin and indoleamines using heptafluorobutyryl derivatives

1972 • 29 citations

Mass spectrometric and nuclear magnetic resonance confirmation of a 3,3-spirocyclic indole derivative formed from melatonin and related acyl tryptamines

1977 • 28 citations

Melatonin Content of the Human Pineal Gland

1978 • 27 citations

Separation Method for Melatonin in Pineal Extracts

1965 • 24 citations