Related Experiment Video
Updated: Apr 27, 2026
08:31
Isolation and Genome Analysis of Single Virions using 'Single Virus Genomics'
Published on: May 26, 2013
10.9K
Quantitative real-time single particle analysis of virions
Susanne Heider1, Christoph Metzner1
1Institute of Virology, University of Veterinary Medicine Vienna, Building AC, 3rd Floor, Veterinärplatz 1, 1210 Vienna, Austria.
Virology
|July 8, 2014
Summary
New technologies enable real-time quantification of single virus particles, significantly speeding up viral titer measurements. These advanced methods offer broader virus applicability and infectious to total particle ratio determination.
Area of Science:
- Virology
- Nanotechnology
- Biotechnology
Background:
- Historically, electron microscopy was the primary method for analyzing single virus particles.
- Recent advancements have introduced real-time quantification technologies for physical virion particles.
Purpose of the Study:
- To review and compare four systems for real-time single virus particle analysis and quantification.
- To highlight the advantages and disadvantages of emerging single virus particle technologies.
Main Methods:
- Comparison of four distinct commercial systems for real-time single virus particle analysis.
- Evaluation of technologies adapted from fields like nanotechnology for viral quantification.
Main Results:
- Emerging technologies reduce viral titer measurement time from hours to minutes.
- These systems offer quantification of particle diameter and the ratio of infectious to total particles.
- A key limitation identified is the low specificity for viral particles.
Conclusions:
- Real-time single virus particle analysis offers significant advantages in speed and data output for virology and biotechnology.
- Despite limitations like low specificity, these technologies represent a major advancement over traditional methods.
