Results 281 to 290 of about 15,215 (310)
Monte Carlo Simulation of the Effect of Melanin Concentration on Light-Tissue Interactions in Reflectance Pulse Oximetry. [PDF]
Sensors (Basel)Al-Halawani R, Qassem M, Kyriacou PA.
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Potassium 4-Methoxysalicylate (4MSK) Exerts a Skin Lightening Effect by Acting on Melanocytes and Keratinocytes. [PDF]
J Cosmet DermatolShirasugi Y +7 more
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Current Opinion in Infectious Diseases, 2003
Production of melanin has been associated with virulence in diverse microorganisms. Melanization of fungi has been noted for many years in predominantly subcutaneous infections such as chromoblastomycosis and more recently most extensively studied in a yeast causing systemic infection, Cryptococcus neoformans. Pigmented fungi are increasingly important
Beatriz L. Gómez, Joshua D. Nosanchuk
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Production of melanin has been associated with virulence in diverse microorganisms. Melanization of fungi has been noted for many years in predominantly subcutaneous infections such as chromoblastomycosis and more recently most extensively studied in a yeast causing systemic infection, Cryptococcus neoformans. Pigmented fungi are increasingly important
Beatriz L. Gómez, Joshua D. Nosanchuk
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Archives of Dermatology, 1986 To the Editor.— Good theories should give way to better theories, and even good theories may become untenable as new information is discovered. Periodic questioning of dogma is a useful way to reevaluate dogma, lest we be complacent with obsolete conclusions. The article by Warwick L.
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Archives of Dermatology, 1986
To the Editor.— Warwick L. Morison, MD, in the September 1985 issue of theArchives1ably questions the standard assumption that dermal melanin acts primarily as a sunscreen, suggesting, for example, a heat-absorbing or camouflage function. While few dermatologists seem aware of it, much relevant work has been done on the solid-state properties of ...
McGinness Je, Peter Proctor
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To the Editor.— Warwick L. Morison, MD, in the September 1985 issue of theArchives1ably questions the standard assumption that dermal melanin acts primarily as a sunscreen, suggesting, for example, a heat-absorbing or camouflage function. While few dermatologists seem aware of it, much relevant work has been done on the solid-state properties of ...
McGinness Je, Peter Proctor
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Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1983
An overview of the melanins and lipofuscin is presented, taking an integrating account of their morphological relationships and chemical characteristics wherever possible. This has required inclusion of the ommochromes, the schlerotizing process, and consideration of related neurotransmitters. A number of questions are raised and commented upon.
Hack Mh, F.M. Helmy
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An overview of the melanins and lipofuscin is presented, taking an integrating account of their morphological relationships and chemical characteristics wherever possible. This has required inclusion of the ommochromes, the schlerotizing process, and consideration of related neurotransmitters. A number of questions are raised and commented upon.
Hack Mh, F.M. Helmy
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Nature, 1964
AQUEOUS systems were reported earlier in which a manganese-phenothiazine auto-oxidation led to the emergence of semiquinone free-radicals of the drugs1. The mildness of the required conditions permitted the postulation that this interaction might be relevant to the pharmacological action of these agents2.
Paul S. Papavasiliou +2 more
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AQUEOUS systems were reported earlier in which a manganese-phenothiazine auto-oxidation led to the emergence of semiquinone free-radicals of the drugs1. The mildness of the required conditions permitted the postulation that this interaction might be relevant to the pharmacological action of these agents2.
Paul S. Papavasiliou +2 more
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The International Journal of Biochemistry & Cell Biology, 1997
Melanin is an irregular light-absorbing polymer containing indoles and other intermediate products derived from the oxidation of tyrosine. Melanin is widely dispersed in the animal and plant kingdoms. It is the major pigment present in the surface structures of vertebrates.
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Melanin is an irregular light-absorbing polymer containing indoles and other intermediate products derived from the oxidation of tyrosine. Melanin is widely dispersed in the animal and plant kingdoms. It is the major pigment present in the surface structures of vertebrates.
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2011
A review focuses on the pigments derived biogenetically from tyrosine and produced intracellularly within specialized cells. Melanin pigments, eumelanins and pheomelanins, can be described today as collections of mol. species with different chem. structures and properties, thus encompassing diverse degrees of chem. heterogeneity.
Ito S. +4 more
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A review focuses on the pigments derived biogenetically from tyrosine and produced intracellularly within specialized cells. Melanin pigments, eumelanins and pheomelanins, can be described today as collections of mol. species with different chem. structures and properties, thus encompassing diverse degrees of chem. heterogeneity.
Ito S. +4 more
openaire +4 more sources