What is it about?
(2,2'-Bipyridyl)-3-3'-diol [BP(OH)2] is a well-known compound that undergoes double proton transfer (DPT). We have explored the interaction of BP(OH)2 with small unilamellar vesicles synthesized using two kinds of lipids, DMPC and DMPG, which are zwitterionic and anionic, respectively. BP(OH)2 is observed to undergo the formation of a monoketo and a diketo species in sequence along with the creation of dianions aided by the lipid membranes.
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Why is it important?
In the present work, formation of the dianionic species was observed under neutral conditions in the presence of lipid vesicles. Moreover, the dynamics of the monoketo species could also be identified as the lipid vesicles supposedly slowed down the overall rate of proton transfer in BP(OH)2.
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This page is a summary of: [2,2′-Bipyridyl]-3,3′-diol in lipid vesicles: slowed down dynamics of proton transfer, Soft Matter, January 2013, Royal Society of Chemistry,
DOI: 10.1039/c3sm51509e.
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