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Protein Dynamics in Living Cells

Protein Dynamics in Living Cells

Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...

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Updated: Mar 28, 2026

Combining Single-molecule Manipulation and Imaging for the Study of Protein-DNA Interactions

Combining Single-molecule Manipulation and Imaging for the Study of Protein-DNA Interactions

Published on: August 27, 2014

The Fantastic Single-Molecule Techniques.

Huang Tang^1,2, Shuting Liu^1,2, Chenyue Kang^1,2

¹School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.

Chemical & Biomedical Imaging

|March 27, 2026

Summary

This summary is machine-generated.

Single-molecule techniques offer unique biological insights beyond conventional methods. This review highlights their advantages and proposes a new single-molecule polysome profiling method for broader adoption.

Keywords:

biochemical and biophysical assays biomarker detection biomolecular interactions electrochemiluminescence fluorescence plasmonic scattering sequencing technologies single-molecule techniques super-resolution chemical imaging

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Last Updated: Mar 28, 2026

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Area of Science:

Biophysics
Molecular Biology
Biochemistry

Background:

Single-molecule techniques have advanced significantly over 50 years.
These methods provide biological insights unattainable by conventional biochemical assays.
Their application spans numerous biological fields.

Purpose of the Study:

To systematically review the advantages of single-molecule biochemical assays.
To propose a novel single-molecule polysome profiling technique.
To explore future unification of biochemical assays on single-molecule microscopy platforms.

Main Methods:

Review of existing single-molecule techniques and their benefits.
Conceptual proposal of a single-molecule polysome profiling method.
Discussion of integrating various biochemical assays using single-molecule microscopy.

Main Results:

Single-molecule assays offer distinct advantages over bulk methods.
A novel single-molecule polysome profiling technique is proposed.
Potential for unifying diverse biochemical assays on a single platform exists.

Conclusions:

Single-molecule methods provide unparalleled biological insights.
The proposed technique and platform integration can enhance research accessibility and automation.
Future directions point towards cost reduction and increased adoption of advanced biophysical methods.