Specific detection of SARS-CoV-2 corona virus from cell culture supernatants by fluorescence-based Nanoparticle Tracking Analysis
![Figure 2: SARS-CoV-2 B.1 wild type and delta variant were specifically detected by using a spike antibody conjugated with Alexa Flour™ 488.](https://particle-metrix.com/wp-content/uploads/2023/03/2022_sarscov2_fig_02.jpg)
In this new application note we describe a quick determination of the physical titer of coronaviruses by fluorescence-based Nanoparticle Tracking Analysis and specific spike antibody recognition.