Search results for "Berio"
showing 6 items of 16 documents
Inhibition of neuroeffector transmission in human vas deferens by sildenafil
2000
Sildenafil (0.1 - 30 microM), a cyclic GMP phosphodiesterase 5 (PDE 5) inhibitor, induced inhibition of electrically evoked contractions of ring segments of human vas deferens from 34 vasectomies. Zaprinast (0.1 - 100 microM), another PDE 5 inhibitor, and the nitric oxide (NO) donor sodium nitroprusside (SNP) (0.1 - 100 microM) had no effect on neurogenic contractions. The inhibition induced by sildenafil was not modified by the inhibitor of guanylate cyclase 1H-[1,2,4]oxadiazolo[4,3-a]quinoxaline-1-one (ODQ) (1 - 30 microM) but it was abolished by the K(+) channel blockers tetraethylammonium (TEA, 1 mM), iberiotoxin (0.1 microM) and charybdotoxin (0.1 microM). Sildenafil, zaprinast and SNP…
Memoria, ricerca, invenzione: percorsi della musica in Sicilia
2015
Il saggio delinea un quadro d'insieme dei rapporti fra la musica popolare siciliana, la ricerca etnomusicologica e la produzione compositiva di autori come Alberto Favara, Francesco Pennisi, Luciano Berio e Marco Betta. Nel testo viene citata una lettera inedita di Francesco Pennisi (Roma, 10 aprile 1991), riguardante la genesi delle "Due canzoni natalizie etnee" op. 49 (1982-83).
Canti di Sicilia: un percorso musicale fra Otto e Novecento
2017
Il saggio prende le mosse dalle prime ricerche sulla musica popolare siciliana condotte da Vigo, Salomone Marino e Pitrè per soffermarsi sulle raccolta dei "Canti della terra e del mare di Sicilia" (1907) di Antonio Favara e sulla rielaborazione di una melodia trascritta da Alberto Favara inclusa da Luciano Berio nel ciclo "Folk Songs" (1964).
Apigenin‐induced nitric oxide production involves calcium‐activated potassium channels and is responsible for antiangiogenic effects
2007
Summary. Background: The dietary flavonoid apigenin (Api) has been demonstrated to exert multiple beneficial effects upon the vascular endothelium. The aim of this study was to examine whether Ca2+-activated K+ channels (KCa) are involved in endothelial nitric oxide (NO) production and antiangiogenic effects.Methods: Endothelial NO generation was monitored using a cyclic guanosine monophosphate radioimmunoassay. KCa activity and changes of the intracellular Ca2+ concentration [Ca2+]i were analyzed using the fluorescent dyes bis-barbituric acid oxonol, potassium-binding benzofuran isophthalate, and fluo-3. The endothelial angiogenic parameters measured were cell proliferation, [3H]-thymidine…