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Updated: Feb 19, 2026

Automated System for Single Molecule Fluorescence Measurements of Surface-immobilized Biomolecules

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Published on: November 2, 2009

Label-Free Fluorescence-Based Enzyme Assays Using Supramolecular Host-Guest Approaches.

Zhe Zheng¹, Yiran Xu², Ruina Liu¹

¹Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin, P. R. China.

|February 18, 2026

Summary

This summary is machine-generated.

Supramolecular tandem enzyme assays (STA) offer a simple, sensitive, and specific method for real-time monitoring of enzymatic reactions. This review highlights STA advancements for enzyme kinetics, inhibitor screening, and biomarker analysis.

Keywords:

enzymatic reaction fluorescence sensing macrocyclic host molecular recognition supramolecular tandem assay

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Area of Science:

Biochemistry
Analytical Chemistry
Supramolecular Chemistry

Background:

Enzymatic reaction monitoring is vital across enzymology, drug metabolism, and bioengineering.
Supramolecular tandem enzyme assays (STA) utilize indicator displacement assays and differential host-guest binding.
STA offers label-free, real-time, rapid, sensitive, and specific monitoring of enzyme activity.

Purpose of the Study:

To review recent advancements in supramolecular tandem enzyme assay (STA) strategies.
To cover diverse enzyme types and applications of STA.
To identify current challenges and future perspectives in STA development.

Main Methods:

Leveraging differential binding affinities of supramolecular hosts for substrates and products.
Utilizing indicator displacement assays for signal generation.
Applying STA for label-free, real-time reaction monitoring.

Main Results:

STA has been widely applied for determining enzymatic kinetic parameters.
STA is effective for screening enzyme inhibitors and analyzing enantiomeric excess.
STA serves as a valuable tool for diagnosing biomarkers.

Conclusions:

STA represents a powerful and versatile platform for enzymatic reaction analysis.
Continued development of STA strategies will enhance enzyme studies and diagnostics.
Future research should address current challenges to further expand STA applications.