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1.D.127.  The Aromatic Helical Polymer Nanochannel (ArHP-NC) Family 

Qi et al. 2020 have synthesized aromatic helical polymer nanochannels by combining aromatic amide helical codons with pyridine-oxadiazole helical codons into helical structure sequences yielding a type of helical polymer nanochannel that shows structure-directed transmembrane transport functions. Although such nanochannels show relatively weak selectivity for the transport of alkali metal ions (Li+, Na+, K+, Rb+, and Cs+), accessible chemical mutation of helical structure sequences allow a chance for the design of desired channel property. The straightforward preparation of well-established pyridine-oxadiazole helical structures will promote the synthesis of such nanochannels. With the development of aromatic amide foldamers, a number of "monomers" will be available for the preparation of helical polymer nanochannels (Qi et al. 2020).

References associated with 1.D.127 family:

Qi, S., C. Zhang, T. Yan, F. Yang, J. Zhang, S. Mao, and Z. Dong. (2020). Hybrid Helical Polymer Nanochannels Constructed by Combining Aromatic Amide and Pyridine-Oxadiazole Structural Sequences. Macromol Rapid Commun e2000099. [Epub: Ahead of Print] 32459036