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Isotype controls

Isotype controls are a type of negative control designed to measure the level of non-specific background signal caused by primary antibodies. The background signal is often the result of immunoglobulins binding non-specifically to Fc receptors present on the cell surface. For example, antibodies raised in mice may bind to some human cells regardless of the test antibody specificity, in a manner related to the isotype of the antibody being used. In these cases you need an isotype control of the same isotype as the test antibody to provide a relevant control for non-specific binding.

Isotype control antibodies

We offer a range of isotype control antibodies that match our primary antibodies, allowing customers to select the appropriate control for their own experimental system.

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ELISA Formats for Infectious Disease Diagnostics

The field of diagnostics is rapidly developing, yet ELISA and PCR methods remain the most commonly used techniques in the diagnosis of bacterial and viral infections. In this blog, we discuss the advantages of using serological methods over molecular, PCR-based...

The world’s most extensive range of NS1-specific antibodies for flavivirus research

The Native Antigen Company first gained prominence in 2016, when it developed highly pure Zika virus NS1 protein during the 2015/2016 epidemic. Since then, the company has developed an extensive range of highly specific antigens, antibodies and immunoassays for...

Flavivirus NS1: A Short Introduction

In the first of a two-part series, we describe the structure of Flavivirus Non-Structural Protein 1 (NS1) and the role that it plays in viral pathogenesis. Flavivirus proteins Flaviviruses are single-stranded, enveloped RNA viruses, belonging to the Flaviviridae...

Paper Synopsis: ELISA formats and antibody quenching to reduce ZIKV cross-reactivity

While the 2015/16 Zika epidemic no longer makes the headlines, there remains a crucial need to accurately and reliably diagnose Zika virus (ZIKV) infection to identify and manage further outbreaks. However, high levels of cross-reactivity among cocirculating...

Viral Lysates for Diagnostic Research

We've recently expanded our range of native viral cell lysates to complement our highly pure recombinant antigens. Here, we explain how our lysates are made and their uses in infectious disease R&D.What are viral lysates? Put simply, viral lysates are extracts of...

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