ArticleUoshikami S, Nöll GN.
Science. 1978 Jun 23;200(4348):1393-5.
Isolated vertebrate retinas bathed in circulating Ringer solution cannot regenerate all of their bleached visual pigments. When dioleoyl-lecithin vesicles containing certain retinol congeners are added to the Ringer solution, such retinas begin to regenerate pigment immediately. The visual pigment of a bleached perfused retina can now be restored fully, making the isolated retina an independent unit for study. Loposomes can protect oxygen-sensitive, lipid-soluble substances and deliver them to living cells.