semiaza-Bambusurils are anion-specific transmembrane transporters

Raman Khurana, Feihu Yang, Rishu Khurana, Junqiu Liu, Ehud Keinan, Ofer Reany

Research output: Contribution to journalArticlepeer-review


semiaza-Bambus[6]urils efficiently transport anions across lipid membranes. A systematic modification of their lipophilic side chains to include various alkyl groups and thioethers reveals that the most efficient chloride transporters are those that agree with Lipinski's rule-of-lipophilicity, exhibiting clog Po/w values close to 5. Furthermore, vesicle anion-transport assays show that the new anion-transporters are independent of the cation identity but exhibit high anion selectivity, NO3- > Br- > Cl- > SO42-, in agreement with the Hofmeister series. These findings will allow for the design of highly specific anion transporters for biomedical applications, particularly for managing anion channelopathies.

Original languageEnglish
Pages (from-to)3150-3153
Number of pages4
JournalChemical Communications
Issue number19
StatePublished - 3 Mar 2022


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