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Ultra-sensitive signal amplificationthat’s ultra-practical

Exazym® Reagent Kits provide ultra-sensitive detection of low-abundance biomarkers using standard immunoassay workflows.

Ultra-sensitive detection using standard immunoassay workflows

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see how it works.

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Introducing the world’s most practical ultra-sensitive signal amplifier.

No matter what immunoassay you run, there are plenty of options for signal amplification. But most involve investing in locked systems with expensive instruments.

With Exazym®, researchers can now achieve up to 200x signal amplification with their current immunoassay. It is so easy and inexpensive that it puts highly reliable immunoassay amplification within reach of every researcher on Earth. See for yourself and spread the word.

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A revolutionary new amplification method

Binding Oligo Ladder Detection (BOLD)

Exazym® is powered by a novel detection methodology called BOLD. It dramatically and reliably amplifies immunoassay signal by up to 200 times.

Amplify true signal up to 200 times

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Wide dynamic range with excellent selectivity

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No proprietary equipment required

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Compatible with most immunoassays

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Order your Exazym® test kits online

Exazym® can be used to:
  1. Increase the sensitivity of existing immunoassays assays
  2. Increase the sensitivity of any immunoassay test or system
  3. Test the limits of sensitivity or detect new biomarkers
  4. Improve existing products or products in development
Cavidi service and support includes:
  1. One-on-one customer support to get started
  2. Troubleshooting
  3. Customization of kits if required
  4. Collaboration on new immunoassay development
Order online
  1. Everything you need to get started with Exazym® can be purchased on our webshop right now.
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PEER-REVIEWED • SLAS TECHNOLOGY

A ~67× Lower Detection Limit

  • Reverse-transcriptase signal amplification, measured in a matched SARS-CoV-2 spike ELISA
  • Nordal et al., SLAS Technology (2026) • open access
Read the Paper
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WEBINAR ∙ ON DEMAND

Inside the Plasma Data

BOLD signal amplification, measured in human plasma — IL-4 sensitivity, dilution linearity, and spike recovery.

Johanna Hedin • Development Engineer, Cavidi

 

Watch the Recording
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White paper

Ultra-Sensitive IL-4 Detection in Human Plasma

~8x

lower detection limit for IL-4 in plasma (feasibility study)

 

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See our conference schedule to meet Cavidi

Cavidi presents our research using BOLD technology at conferences around the world. Meet us and see how Exazym® can enhance your immunoassay.

View Schedule

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