ISSN:
1432-1424
Schlagwort(e):
bilayer membranes
;
dye photo-deprotonation
;
erythrosin
;
fluorescein
;
membrane photo-voltages
;
xanthene dyes
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Biologie
,
Chemie und Pharmazie
Notizen:
Summary Erythrosin and light flashes induce voltage transients across bilayer membranes in the presence of transmembrane pH gradients. Fast voltage transients, which rise in 〈50 nsec and fall in ∼500 nsec, are attributed to photo-deprotonation of dye sorbed in the glycerol region of phospholipid membranes. Six other halogenated xanthene dyes induce similar effects, which apparently resulted from triplet states of monoanionic dye. No photo-effects were observed with fluorescein.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF01870478
Permalink