Inclusion Phenomena between the β-Cyclodextrin Chiral Selector and Trp-D,L, and Its Use on the Assembly of Solid Membranes

Figure 1

The experimental apparatus. (1) Nitrogen cylinder, (2) ultrafiltration cup, (3) tryptophan (D,L-Trp) racemate solution, (4) chiral solid membrane, (5) meet liquid bottle.