… In humans, as in the rat, 6-sulfatoxymelatonin (or 6-… electron spin resonance spectroscopy
to quantify the capacity of … The age-dependent decreases in melatonin secretion observed in …

… , and gas chromatography-mass spectroscopy analytical techniques. … The 24-hour urinary
excretion of conjugated 6-… Determination of melatonin levels in serum or urine provides even …

… circulating melatonin of children are quantified in 8 girls and … children, there was no
age-dependent decrease in nocturnal … are compatible with a continuous secretion of melatonin. …

… statement on the preferred uses of urine, saliva, and blood … occurs with determination of
the onset of melatonin secretion … of a change in slope, a low-threshold change from baseline, …

… That the indoleamine biosynthetic pathway can be quantified across such a wide … variations
of melatonin levels by race are limited. One study suggests that urinary melatonin excretion …

… Samples were frozen at −80C for a later determination of … content of urinary 6-sulfatoxymelatonin,
relative spleen mass, … Notably, disruption of MLT secretion in mice exposed to ALAN …

… dilution liquid chromatography tandem mass spectrometry (LC-… bases excreted in free
modified forms in urine; biological aging… Davis, “Night shift work and levels of 6-sulfatoxymelatonin …

… absolute values being agedependent (26-28). Since melatonin excretion declines with age,
… Radioimmunological determination of urinary melatonin in humans: correlation with plasma …

… Among various assay techniques, mass spectrometry and … objective end points for quantifying
symptoms remains unclear. … Numerous studies have consistently identified age-dependent …

… that lack the established rhythmic excretion of melatonin in the … liquid chromatography-mass
spectrometry (HPLC-MS) have … to the increase of urinary 6-sulfatoxymelatonin content (p < …