Antibody Conjugates

We recognize that your research success requires tools that deliver consistent, high-quality results. That’s why our conjugated antibodies are optimized for superior performance in various applications, from flow cytometry, multiplexed immunohistochemistry, spatial biology, and immunofluorescence to ELISA and western blot.

Explore our comprehensive portfolio of antibody conjugates meticulously designed to streamline complex workflows and enhance experimental efficiency. With options for fluorophores, biotin, enzymes, beads, and more, our ready-to-use conjugates deliver unmatched specificity and sensitivity. All CST products are backed by decades of expertise, thorough biophysical characterization, and rigorous validation to provide the clarity and reliability needed to advance your research confidently.

Alexa Fluor^® Dyes: Exceptional Stability for Multiplexed Workflows

Alexa Fluor conjugated antibodies are designed for researchers who demand unparalleled brightness, photostability, and specificity. These fluorophores excel in experiments requiring simultaneous detection of multiple targets, offering a broad spectral range and minimal spectral overlap. Whether you’re working with high-content imaging or flow cytometry, Alexa Fluor antibody conjugates deliver sharp, reliable results every time.

Why choose Alexa Fluor for your research?

• Superior Signal Clarity: Bright and distinct signals even in low-abundance target detection.
• Photostability: Maintain fluorescence integrity during extended imaging sessions.
• Flexible Wavelength Options: Covering the entire visible spectrum and beyond, from ultraviolet to near-infrared.

Learn More About These Popular Alexa Fluor Conjugates:

Alternative Fluorophore Conjugates Tailored for Diverse Applications

Our alternative fluorophores antibody conjugates are optimized to meet the rigorous demands of your research. Engineered for compatibility with specific lasers and detection platforms, these conjugates provide reliable performance and integrate seamlessly into complex experimental workflows.

Discover which conjugate is right for you:

Amplify Weak Signals with Hapten-Based Antibody Conjugates

For experiments that require enhanced sensitivity, hapten-conjugated antibodies provide powerful amplification for low-abundance target detection. Biotin is one of the most commonly used haptens, as biotin-avidin/streptavidin systems deliver precise signal amplification in immunohistochemistry, western blotting, and ELISA applications.

Explore hapten-based solutions:

Why do researchers trust biotinylated solutions?

• Unrivaled Sensitivity: Amplify weak signals to detect targets that might otherwise go unnoticed.
• Versatile Applications: Compatible with chromogenic, fluorescent, and chemiluminescent systems.
• Streamlined Workflows: Combine with avidin or streptavidin reagents for efficient and reliable detection.

Bead-Based Conjugates: Magnetic and Sepharose Beads for High-Precision Assays

Magnetic and sepharose beads are at the forefront of advanced sample purification and detection techniques. These versatile tools enable efficient separation in high-throughput screens via precise molecular interactions. Magnetic beads leverage superparamagnetic properties for rapid and automated biomolecule isolation, while Sepharose beads offer exceptional affinity-based purification and chromatography applications.

Whether enriching target proteins, capturing nucleic acids, or streamlining immunoprecipitation workflows, bead-based systems provide unparalleled specificity and reproducibility across diverse research and clinical settings.

Learn more about our bead-based solutions:

Enzyme-Based Antibody Conjugates for Chromogenic and Chemiluminescent Assays

Enzyme-conjugated antibodies are the cornerstone of reliable detection. They deliver sharp, high-contrast signals through enzymatic reactions that allow chromogenic or chemiluminescent detection. Whether you're visualizing specific proteins in tissue sections, detecting analytes in complex samples, or quantifying target molecules, their robust performance ensures reproducible results across platforms.

Explore enzyme-based antibody conjugates:

Experience the CST Advantage

Founded and led by active researchers, CST has been at the forefront of antibody development for over two decades. Our deep understanding of biological systems drives innovation, supporting your next breakthrough in oncology, immunology, and personalized medicine.

• Results You Can Trust: Our antibody conjugates deliver superior specificity, minimal background noise, and consistent performance across key applications. Backed by rigorous validation and proven success in peer-reviewed research, you can confidently focus on your next discovery.
• Expert Support: Our dedicated scientists are committed to helping you achieve your research goals, offering personalized recommendations, troubleshooting assistance, and detailed protocols. With expert guidance and comprehensive resources, you’ll have the support you need at every step.
• Advance Science Responsibly: Choose antibodies designed with eco-friendly practices and ethical sourcing in mind. By aligning your research with our sustainable solutions, you contribute to a better future.

For Research Use Only. Not for Use in Diagnostic Procedures.

_{Cell Signaling Technology and CST are trademarks or registered trademarks of Cell Signaling Technology, Inc. Alexa Fluor and Pacific Blue are registered trademarks of Life Technologies Corporation.Cy is a registered trademark of GE Healthcare. Ifluor is a registered trademark of AAT Bioquest, Inc. All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.}