منابع مشابه
Pathomechanisms of phototoxic dermatitis
A young lady applied herbal mask of common rue (Ruta graveolens) onto her face. After that, she took a nap on a balcony in the full sun. An hour later, she woke up with a burning sensation, erythema and oedema of the skin. A few hours later, painful erythema and oedema developed. Subsequently, she developed a bullous reaction, which became superinfected in the following days. After treatment of...
متن کاملPhototoxic and Photoallergic Reactions
Phototoxicity and photoallergy are different expressions of an abnormal skin reaction from the exposure to light, usually enhanced by endogenous or exogenous substances that are selectively activated by solar radiation. This can occur with artificial light sources (sun lumps used for aesthetic or therapeutic purposes or ultraviolet (UV) sources in occupational settings), but mostly occur on sun...
متن کاملPhototoxic and photoallergic skin reactions.
Indirect action of sun together with different exogenous agents (systemic medications and topically applied compounds) sometimes may result in phototoxicic and photoallergic reactions. Drug-induced photosensitivity reactions refer to the development of cutaneous disease as a result of the combined effects of a drug and light (mostly spectrum within the UVA and visible light range or UVB range)....
متن کاملSynthesis of Functionalized Coumarins
The synthesis of functionalized 2-oxo-2H-coumarin derivatives has been studied by a one-pot reaction of o-hydroxybenzaldehyde, ethyl 2-bromoacetate and triphenylphosphine in the presence of catalytic amount of triethyl amine in EtOAc, water or under solvent free conditions. We have found the best results obtained under solvent free condition.
متن کاملCoumarins: The Antimicrobial agents
Emergence of resistance by bacterial and fungal stains towards existing antimicrobial agents is one of the major problem as well as motivation to synthesize a new class of antimicrobial agents possessing potent activity compared to commonly used therapy. Coumarin is the heterocyclic compound formed from benzene and pyrone ring containing oxygen and its derivatives are of wide awareness because ...
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ژورنال
عنوان ژورنال: Food and Chemical Toxicology
سال: 1993
ISSN: 0278-6915
DOI: 10.1016/0278-6915(93)90187-4