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Figure 3
Instruction for the preparation of solvent-exchanged crystalline sponge (1) which is ready to use. (a, b) ZnI2/CH3OH solution is layered on tpt/nitrobenzene solution in a set of 50 test tubes. The two-layered mixture solution is allowed to stand for 1 week to obtain single crystals of as-synthesized 1. (c) A picture of as-synthesized 1 formed in a test tube. (d) Crystals are washed with cyclohexane. (e, f) High quality crystalline sponges (rod-shaped, ∼ 100 µm-sized, and non-clacked) are chosen, transferred to vials, and (g) placed on the center of a microvial. (h) Guest compound (∼ 5 µg) is injected. (i) A needle is pierced for slow evaporation of the solvent, and the vial is kept in an incubator for guest-soaking.

Volume 3| Part 2| March 2016| Pages 139-151
ISSN: 2052-2525