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7 tulemused
A comparison between skin-photosensitizing (344 nm) activities of 8-methoxypsoralen and angelicin.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
8-methoxypsoralen and angelicin, locally applied to the skin of the rabbit, photosensitized erythema under UV irradiation to an approximately equal extent. Incident UV irradiation was restricted mainly to 334 nm. This indicates that furocoumarin-DNA cross-links are not important in erythema
Phototoxicity from furocoumarins (psoralens) of Heracleum laciniatum in a patient with vitiligo. Action spectrum studies on bergapten, pimpinellin, angelicin and sphondin.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
Investigations on light reactions in a patient with vitiligo are presented. The minimal erythema dose (MED) in the UVB area was approximately 1/3 of that in persons of skin type II. The application of furocoumarins (psoralens) increased light tolerance by 1 MED at 300-310 nm. Action spectrum studies
Phytophotodermatitis in Rijeka region, Croatia.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
Contact with plants can cause phototoxic or rarely photoallergic reactions. Phototoxic dermatitis (photophytodermatitis) occurs after contact or ingestion of plants containing furocumarins i.e. psoralens and followed by sun exposure. Skin lesions develop usually after 24-48 hours with erythema,
Furocoumarin sensitization induces DNA-protein cross-links.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The capacity of some linear and angular furocoumarins to induce DNA-protein cross-links by UVA (320-400 nm) irradiation has been evaluated in Chinese hamster ovary cells. Two linear furocoumarins, psoralen and 8-methoxypsoralen appeared to be capable of inducing DNA-protein cross-links to a
Present aspects concerning the molecular mechanisms of photochemotherapy with psoralens.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The various photophysical and photochemical events that can be produced by psoralens after their excitation by UV-A radiation are reviewed, with particular reference to their possible significance for induction of photobiological effects. A close correlation has been found between the covalent
4'-Methylangelicin derivatives: a new group of highly photosensitizing monofunctional furocoumarins.
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The photobiological properties of three new angelicin derivatives carrying a methyl-group in 4' position at the furanic ring have been studied. In double-irradiation experiments on E. coli cells, they appeared to behave as monofunctional reactives towards DNA, similarly to the other angelicin
Production of active oxygen species (1O2 and O2-.) by psoralens and ultraviolet radiation (320-400 nm).
Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
Furocoumarins (psoralens) are potent skin photosensitizing agents that are used in combination with long-wavelength ultraviolet radiation (320-400 nm) in the treatment of psoriasis and other skin diseases. Twelve linear and angular psoralens, capable of forming monofunctional and bifunctional
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- Taimsed ravimid, mida toetab teadus
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- Interaktiivne GPS-kaart - märgistage ürdid asukohas (varsti)
- Lugege oma otsinguga seotud teaduspublikatsioone
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- Korraldage oma huvisid ja hoidke end kursis uudisteuuringute, kliiniliste uuringute ja patentidega
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* Kogu teave põhineb avaldatud teaduslikel uuringutel
