Some photoresponses of isolated tissue preparations to ultraviolet light in the presence of photosensitizers.
Indian J Physiol Pharmacol
;
1978 Apr-Jun; 22(2): 136-41
Artigo
em Inglês
| IMSEAR
| ID: sea-108505
ABSTRACT
Responses of isolated tissue preparations to ultraviolet (UV) light were studied with and without the presence of photosensitizers like eosin, fluorescein and sodium nitrite. Exposure to UV light in the presence of sodium nitrite induced consistent relaxation of rat duodenum. The photorelaxation was found to be related to the concentration of sodium nitrite. Adrenergic or cholinergic mechanisms do not seem to be involved. The isolated rat duodenum preparation exhibited quantitatively consistent photoresponse for 3 to 4 hr at its normal tone obviating the need for additional spasmogens as needed with other preparations. The preparation is a suitable test model for the study of photobiologic response evoked by UV light.
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DisponíveL
Índice:
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Assunto principal:
Anuros
/
Coelhos
/
Ratos
/
Nitrito de Sódio
/
Raios Ultravioleta
/
Amarelo de Eosina-(YS)
/
Fluoresceínas
/
Cobaias
/
Coração
/
Animais
Idioma:
Inglês
Revista:
Indian J Physiol Pharmacol
Ano de publicação:
1978
Tipo de documento:
Artigo
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