Related Experiment Video
Updated: Apr 19, 2026
09:34
Microfluidic Pneumatic Cages: A Novel Approach for In-chip Crystal Trapping, Manipulation and Controlled Chemical Treatment
Published on: July 12, 2016
10.1K
Networked-cage microcrystals for evaluation of host-guest interactions.
Shohei Matsuzaki1, Tatsuhiko Arai, Koki Ikemoto
1Department of Applied Chemistry, School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
Journal of the American Chemical Society
|December 16, 2014
Summary
Researchers created networked M6L4 cages as microcrystals for affinity chromatography. This method efficiently assesses host-guest interactions and identifies optimal guests for M6L4 cages using HPLC analysis.
Area of Science:
- Supramolecular Chemistry
- Materials Science
- Analytical Chemistry
Background:
- Networked M6L4 cages are promising for host-guest chemistry.
- Developing scalable and practical applications requires suitable material formats.
Purpose of the Study:
- To develop a microcrystalline powder of networked M6L4 cages for affinity chromatography.
- To evaluate host-guest interactions using HPLC analysis with the new material.
Main Methods:
- Developed a synthetic protocol for microcrystalline networked M6L4 cages (1a) on a >50 g scale.
- Utilized high-performance liquid chromatography (HPLC) to analyze host-guest interactions.
- Compared guest accommodation with large single crystals (1b).
Main Results:
- Produced microcrystalline M6L4 cages (median size: 25 μm) suitable for stationary phases.
- Microcrystals accommodated significant amounts of tetrathiafulvalene (TTF) (32 wt %) and fullerene (C60) (35 wt %).
- HPLC retention times accurately reflected host-guest interactions within the cages.
Conclusions:
- Microcrystalline networked M6L4 cages are effective for affinity chromatography.
- HPLC analysis using these microcrystals provides a facile method for assessing guest binding.
- This approach facilitates the identification of favorable guests for M6L4 cage systems.
