Virus Counter® Plus & Virotag® Reagents

The Virus Counter® Plus enables direct and reliable virus quantification for faster decisions

The Virus Counter® Plus platform enables rapid, direct, and reliable quantification of virus particles to support faster and more confident decision-making. By delivering near-real-time titer insights, the system helps accelerate process development and optimize manufacturing workflows. Automated sample processing and an intuitive software environment ensure efficient, reproducible, and scalable virus analysis.

The platform utilizes Virotag® antibody-based reagents for biologically specific virus detection. By targeting defined viral epitopes, these reagents enable consistent and reliable particle quantification across a wide range of samples, making them an essential component of the Virus Counter® Plus system.

  • Accelerate time-to-result and process development timelines with rapid titer insights
  • Highly reproducible results allow critical decision-making with strong confidence
  • Advanced signal detection for higher sensitivity and improved precision

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Virus Counter® Plus Platform

Discover the Virus Counter® Plus Platform

Your Efficient Solution for Rapid Virus Quantification

The Virus Counter® Plus platform revolutionizes virus quantification for industry, particularly in fields such as Advanced Therapeutics , Viral Vector manufacturing and Vaccines. Customers in cell and gene therapy rely on the Virus Counter® Plus for its rapid, accurate measurement of total virus particles, unlike traditional methods that are slow and imprecise. As viruses become crucial tools in gene therapy, vaccines, and cell modifications, the Virus Counter® Plus meets the growing and evolving market demands efficiently and effectively.

Virotag® reagents enable reliable, ready-to-use virus quantification

Virotag® antibody-based reagents enable a rapid, no-wash assay workflow for efficient virus detection.

Designed for use with the Virus Counter® Plus platform, these reagents deliver biologically specific and reliable quantification of virus particles. Real-time titer insights support faster decision making and help optimize development and manufacturing processes.

Upgrade Your Technology Today With Flexible Leasing Options

Take advantage of our leasing options to ensure financial flexibility, predictable costs, and the freedom to upgrade as your needs evolve.

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Virotag® AB Reagent

Virotag® AB Reagent – The Ideal Quantification Solution

Antibody-Based Virus Detection for Direct and Reliable Particle Quantification

Virotag® AB reagents enable direct, biologically specific detection of virus particles using fluorescently labeled antibodies. By targeting defined viral epitopes, the system delivers reliable and real-time particle counts to support confident decision-making.

The antibody-based approach complements established analytical methods by providing an additional, direct measurement of total virus particles, enabling a more comprehensive understanding of viral samples.

  • Direct measurement of total virus particles
  • Biologically specific detection via antibody binding
  • Complements established analytical workflows
  • Enables faster access to decision-relevant data
  • Simple no-wash workflow for efficient sample processing

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Target your specific virus with highly specific antibody-based reagents

Enveloped VirusVirotag® AB Reagent
Enveloped Virus (universal) 
Baculovirus (Virotag BCVB)
Influenza A (Virotag INVA)
Influenza B (Virotag INVB)
Lentivirus (Virotag VSVG*)

* for VSV-G pseudotyped Lentivirus

Learn More About Virus Quantification

Related Assets

Flyer

Simplify Virus Particle Quantification with the Virus Counter® Plus Platform

PDF | 1.3 MB
Application Note

Accelerating Purification Process Characterization and Optimization for Genetically-Modified Influenza Using the Virus Counter® Plus Platform

PDF | 886.6 KB
Application Note

Virus Counter Plus Platform Enables Fast and Precise Quantification of Lentiviral Vectors

PDF | 674.5 KB

Related Topics

Vaccine Process Development and Manufacturing

Racing for a Viable Vaccine: Expediting Vaccine Development Amidst a Pandemic

Virus clearance validation services

Confidence®: Quicker LRV Results

Validate the viral reduction performance of Virosart® HF with our Confidence® Services: Highly purified viruses and expert knowledge.

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