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Spatiotemporally Controlled Nuclear Translocation of Guests in Living Cells Using Caged Molecular Glues as Photoactivatable Tags

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Guest Encapsulation within Surface-Adsorbed Self-Assembled Cages.

Hugh P Ryan¹, Cally J E Haynes¹, Alyssa Smith¹

¹University of Cambridge, Department of Chemistry, Lensfield Road, Cambridge, CB2 1EW, UK.

Advanced Materials (Deerfield Beach, Fla.)

|November 25, 2020

Summary

This summary is machine-generated.

Researchers developed a method to immobilize coordination cages on alumina, enabling selective molecular encapsulation and controlled reactions. These solid-phase cages retain their guest-binding abilities for applications in catalysis and material sequestration.

Keywords:

adsorption coordination cages self-assembly supramolecular chemistry

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Area of Science:

Supramolecular Chemistry
Materials Science
Chemical Engineering

Background:

Coordination cages are versatile supramolecular structures capable of encapsulating diverse guests in solution.
Their applications include catalysis and the sequestration of valuable materials.
Immobilization of these cages on solid supports is crucial for practical applications.

Purpose of the Study:

To develop a simple and general method for immobilizing coordination cages onto alumina.
To demonstrate that immobilized cages retain their guest encapsulation and separation functionalities.
To showcase a system utilizing immobilized cages for controlled chemical reactions.

Main Methods:

Immobilization of coordination cages on alumina surfaces.
Quantification of cage loading using adsorption isotherms.
Guest displacement assays to assess encapsulation and separation capabilities.
Demonstration of a two-cage system for stabilizing and separating Diels-Alder reagents.

Main Results:

A straightforward method for adsorbing coordination cages onto alumina was established.
Adsorbed cages successfully encapsulated and separated guest and non-guest molecules.
A dual-cage system on alumina stabilized and separated Diels-Alder reagents.
Controlled release and reaction of reagents were triggered by adding a competitive guest.

Conclusions:

The reported method enables effective immobilization of coordination cages on alumina.
Immobilized cages maintain their functional ability for selective molecular encapsulation.
This approach facilitates the development of solid-phase systems for catalysis and controlled chemical release, applicable to a wide range of coordination cages.