Related Experiment Video
Updated: Sep 9, 2025
09:09
A Label-free Technique for the Spatio-temporal Imaging of Single Cell Secretions
Published on: November 23, 2015
8.7K
Real-Time Three-Dimensional Imaging of Cell-Substrate Adhesion Structures Based on Plasmonic Scattering Microscopy.
Qihao Sun1, Zuyao Wang1, Zongyan Zhang1
1School of Electronic Science and Engineering, Southest University, Nanjing 211189, China.
ACS Sensors
|August 28, 2025
Summary
This study introduces a novel plasmonic scattering microscopy (PSM) technique for real-time, 3D analysis of cell-substrate interactions. The method offers label-free monitoring of cell adhesion dynamics with high spatial resolution.
Area of Science:
- Cellular Biomechanics
- Biophysics
- Microscopy
Background:
- Real-time monitoring of cell-substrate interactions is crucial but challenging.
- Understanding cell adhesion dynamics requires high-resolution imaging techniques.
Purpose of the Study:
- To develop and validate a novel microscopy system for real-time, 3D analysis of the cell-substrate interface.
- To investigate dynamic cell adhesion modes using label-free imaging.
Main Methods:
- Integration of plasmonic scattering microscopy (PSM) with 3D image reconstruction.
- Validation using microspheres with known geometries.
- 3D mapping of MCF-7 cell-Ag substrate interface.
Main Results:
- Achieved submicrometer spatial resolution in real-time analysis.
- Reconstructed images showed a mean coefficient of determination of 86%.
- Identified three distinct cell-substrate contact modes and their dynamic adhesion gap ranges.
Conclusions:
- The developed PSM system enables label-free, real-time monitoring of 3D cell-substrate adhesion dynamics.
- The technique provides valuable insights into cell adhesion mechanisms.
- Demonstrated potential as a tool for analyzing cell adhesion dynamics.
