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Cell & Tissue Analysis

Secondary Detection & Signal Amplification

Find Secondary Antibodies


  		• Find secondary antibodies easily by filtering for conjugate type, host, reactive species and more.

Can't find your favorite secondary antibody?

We have combined the best of the BioSource™, Caltag™, Molecular Probes® and Zymed® secondary antibodies to help you get the most out of your experiments.   It is easy to use this guide to find the best conjugate to replace your current secondary antibody conjugate.

Feature Technologies

Zenon® Antibody Labeling Unlimited

Zenon labeling

Our exceptional Zenon® labeling technology provides an easy, versatile and truly unique method of labeling antibodies with Molecular Probes®' premier dyes, haptens and enzymes.

Learn More about Zenon® Labeling Technology

Alexa Fluor® 488 dye—a superior alternative to FITC

Alexa fluor

You have a choice when it comes to green-fluorescent dyes conjugates. The Alexa Fluor® 488 dye — with nearly identical spectral properties and quantum yield as fluorescein — produces brighter, more photostable conjugates.

Molecular Probes® TSA™ Detection Kits

  • TSA detection
    		Invitrogen offers the Molecular Probes® TSA™ Detection Kits that combine the versatile tyramide signal amplification technology with our high-performance Alexa Fluor® dyes as well as our classic dyes like Oregon Green® and Pacific® Blue. This technology can also be used with colorimetric detection systems using our TSA™ biotin or DNP kits.

    Learn More about Molecular Probes® TSA™ Detection Kits

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