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ATS-13® Activity Assay

What is your testing algorithm for patients suspected of having thrombotic thrombocytopenic purpura (TTP)?

ATS-13 Activity Assay provides protocols to quantitatively measure ADAMTS-13 protease activity and determine the presence of inhibitory antibodies to ADAMTS-13 in human plasma.

ADAMTS-13 is the protease that cleaves von Willebrand Factor. Significant decreases or an absence of ADAMTS-13 activity can lead to the formation of ultra-large vWF fragments and trigger intravascular platelet aggregation and microthrombosis, causing the signs and symptoms of thrombotic thrombocytopenic purpura, TTP.

Quick and Easy

  • Set up in less than 10 minutes
  • Pre-diluted calibrators
  • Results in under 45 minutes

Sensitive

  • Utilizes fluorescence resonance energy transfer (FRET) technology with less test variability 
  • % Activity and % Inhibition derived from a fluorescent endpoint

Research Use Only (RUO). Not for use in diagnostic procedures.

Resource Library

PACKAGE INSERTS (PI/ IFU), SAFETY DATA SHEETS (SDS), CERTIFICATES of ANALYSIS, LOT SPECIFIC FILES, and more can be accessed on our customer center.

Our Certifications

Related Products

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PF4 Enhanced® and PF4 IgG Assay​

Upcoming Events,
Webinars & Workshops

Upcoming Event

Maximizing Efficiency of Platelet Transfusion in Refractory Patients

When

September 4th 2025

Where

Upcoming Event

Preparing for the Scary

When

September 23rd 2025

Where

Experience Our Virtual Lab

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Werfen

3130 Gateway Drive, P.O. Box 5625, Norcross, GA 30091-5625

Call 855-466-8267