منابع مشابه
Yellow palms and soles – more than single discoloration
The aim of this comment is highlight the role played by diets rich in carotene/lycopene on the genesis of yellow-orange skin discolorations.
متن کاملPhotocatalytic discoloration of Methyl Orange on innovative parylene–TiO2 flexible thin films under simulated sunlight
Parylene films loaded with TiO2 are reported as photocatalysts in azo dye discoloration processes. The TiO2 loading of the parylene film was 0.32% (w/w) and the amount of TiO2 on the film was about two orders of magnitude below the TiO2 added in suspension to discolore the same solution of Methyl Orange used as a probe. The parylene/TiO2 films showed a similar activity in the presence of O2 or ...
متن کاملThe yellow discoloration of desflurane
rane (Suprane, Baxter Healthcare, Puerto Rico, USA) in the Dräger vaporizer (Dräger D-vapor, Dräger Medical GmbH, Lübeck, Germany) had turned yellow while filling the vaporizer (Fig. 1). We immediately changed the vaporizer. Yellow discoloration of desflurane occurs relatively infrequently and is not widely known; however, this was the second incident in our hospital. The yellowing of desfluran...
متن کاملBrown Discoloration on the Face
Case: A 54-year-old woman was visited with a history of asymptomatic gray-brown discoloration of the facial skin at our dermatology clinic. The lesions first appeared on her chin and then became progressively darker and extended to her nose and, to a lesser extent, to the periphery of her face over a period of five years. She mentioned that the lesions worsened with heat and sun exposure. Her p...
متن کاملEvaluation of the Discoloration of Methyl Orange Using Black Sand as Semiconductor through Photocatalytic Oxidation and Reduction
Organic compounds in wastewaters coming from textile and pharmaceutical industry generated multiple harmful effects on the environment and the human health. One of them is the methyl orange (MeO), an azoic dye considered to be a recalcitrant compound. The heterogeneous photocatalysis emerges as an alternative for treating this type of hazardous compounds, through the generation of OH radicals u...
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2009
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.071335