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The influence of color, age, and sex on the content of zinc, copper, nickel, manganese, and lead in human hair
TLDR
In female hair the content of metals was higher than in male hair independently of color, and age seems to have a different influence, with the copper element decreasing appreciably in brown and blond female hair as the age of the subjects increased.
Importance of L-tryptophan metabolism in trypanosomiasis.
TLDR
The presence of seric antibodies directed to a tryptophan-like epitope in trypanosome infected patients and animals and in vivo inhibition of IDO by norharman provokes a dramatic increase in circulating parasite number show the essential role of tryPTophan in parasite growth.
Developments in Tryptophan and Serotonin Metabolism
TLDR
It is shown that interferon (IFN)-y-activated, native human astrocytes express IDO activity, and for the first time that IFN-y induced IDOActivity is also effective in inhibiting the growth of Herpes Simplex Virus inAstrocyte cultures.
TRYPTOPHAN METABOLISM IN SCHIZOPHRENIC PATIENTS
TLDR
The existence of a definite relation between the metabolism of aromatic amino acids and mental disease, and between indole compounds and schizophrenia is suggested, and the fraction of ingested tryptophan which is metabolized via serotonin to give 5hydroxyindoleacetic acid is studied.
Collisional spectroscopy in structural characterization of melanins. 2--Laser desorption experiments on bio- and synthetic tryptophan melanins.
TLDR
The traditional chemical degradation and physicochemical methods such as ultraviolet, infrared, 1H and 13C nuclear magnetic resonance, ESR (electron spin resonance), XPS (X-rays photoelectron spectroscopy) and X-ray diffraction have led to limited information on melanin chemical structure.
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