Virus Neutralizing Antibody Development Services with pseuFastNeut™ Platform

Our Solutions for Virus Neutralizing Antibody Development

As a reliable and competent partner in viroantibody discovery and manufacturing, Creative Biolabs provides the most comprehensive neutralizing antibody products, as well as neutralization antibody development services and virus neutralization assays. We provide several virus-neutralization assays to enable researchers to carry out studies that help measure antibody neutralization and better understand the biology of these viruses (pseudovirus type). We provide the following virus-neutralization tests:

  • Cytopathic Effect (CPE) Assay
  • ELISA-based Receptor-Binding Inhibition Assay
  • FC-based Receptor-Binding Inhibition Assay
  • Pseudovirus-based Neutralization Assay
  • Determination of Neutralizing Antibody Titer

Neutralizing antibody test.Fig.1 Neutralizing antibody test.

pseuFastNeut™ Platform

Live virus testing is considered the gold standard for virology research but is limited because it requires biosafety level-3/4 (BSL-3/4) laboratories. Pseudoviruses are a universal and safe alternative for live viruses and have become useful virological tools for emerging and re-emerging viruses. Based on our experience in pseudovirus production and expertise in virology, we have developed a pseuFastNeut™ platform for neutralizing antibody development. Our platform is available for the screening of different antibody candidates, the determination of neutralizing antibody titer, development and evaluation of vaccines. Our platform is optimized to provide information on virus entry mechanisms, virus inhibition pathways, and cellular tropism mechanisms. This assay can be performed in BSL-2 facilities because of the unique properties of pseudoviruses. The prospective neutralizing antibody candidates screen or verify by the detection of reporter gene expression of target cells.

Schematic diagram of detection of pseudovirus neutralization.Fig.2 Schematic diagram of detection of pseudovirus neutralization.


Our pseuFastNeut™ Platform is a fully integrated platform for high sensitivity and specificity quantification of neutralizing antibodies. The following is a standard workflow.

Basic workflow of pseudovirus neutralization assay.Fig.3 Basic workflow of pseudovirus neutralization assay.

Service Details

  • Suitable samples: immunized serum, infected Serum, neutralizing antibodies, etc.
  • Reagents we provide: target cells, pseudovirus, detection reagents
  • Detection method: quantitative or fluorescent read-out
  • Deliverables: Analysis report

Scientists at Creative Biolabs pay close attention to the development and research status of various pseudoviruses and infectious diseases, and have been at the forefront of combatting viral epidemics. Our pseuFastNeut™ Platform is readily available for the following pseudoviruses:

  • Pseudovirus mimic Arenavirus
  • Pseudovirus mimic Crimean-Congo Hemorrhagic Virus
  • Pseudovirus mimic Chikungunya Virus
  • Pseudovirus mimic Ebola Virus
  • Pseudovirus mimic Hantavirus
  • Pseudovirus mimic Hepatitis Virus
  • Pseudovirus mimic HIV
  • Pseudovirus mimic Influenza Virus
  • Pseudovirus mimic MERS-CoV
  • Pseudovirus mimic Nipah Virus
  • Pseudovirus mimic Rabies Virus
  • Pseudovirus mimic Respiratory Syncytial Virus
  • Pseudovirus mimic SARS-CoV-2 WT and Variants
  • Pseudovirus mimic Vesicular Stomatitis Virus

New pseudoviruses are continually in development. Others can be custom-made upon request. Please feel free to contact us to learn how we can be involved in your project.

All products and services are intended for Research Use Only, and NOT to be used in diagnostic or therapeutic procedures.

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