Fig. 1. The different gelators used here. In addition, (rac)-2NapFF was prepared from racemic phenylalanine, and contains all of the (l,l)-, (d,d)-, (l,d)- and (d,l)-2NapFF. (mix)-2NapFF was prepared by mixing (l,l)-2NapFF and (d,d)-2NapFF.
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