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High-Purity Secondary Antibodies for Reliable Immunodetection

Sensitivity. Reliability. Versatility.

Vector Laboratories offers a comprehensive selection of high-purity secondary antibodies, both conjugated and unconjugated, tailored for diverse applications including immunohistochemistry, immunofluorescence, in situ hybridization, microarray, ELISA, and western blotting. Our antibodies are designed to deliver exceptional specificity and sensitivity across diverse research needs.

Find the Right Secondary Antibody for Your Needs

Explore our selection based on conjugation format:

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Unlabeled Secondary Antibodies

Pure, highly specific secondary antibodies for maximum flexibility.

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Biotinylated Secondary Antibodies

Compatible with avidin-biotin detection systems for enhanced sensitivity.

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Polymer Enzyme-Labeled Secondary Antibodies

High-sensitivity polymer detection for IHC and blotting

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Enzyme-Labeled Secondary Antibodies

HRP and AP conjugates for colorimetric and chemiluminescent detection

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Fluorophore-Labeled Secondary Antibodies and Kits

Ideal for immunofluorescence, flow cytometry, and multiplexing

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Chromogenic Double-Label Kits

Streamlined process for double staining IHC workflow.

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Fluorogenic Double-Label Kits

Convenient one-step immunofluorescence double labeling.

DUET Fluorescence-based Detection Kits

Why Choose Vector Secondary Antibodies?

Precision-Engineered for Unparalleled Performance

  • Optimized Immunization Protocols Our proprietary immunization schedules ensure that our antibodies achieve the highest possible affinities for their targets.
  • Advanced Purification Techniques We employ affinity chromatography to purify our antibodies ensuring high purity and performance.
  • Stringent Cross-Adsorption Potential cross-reactivities are meticulously removed through solid-phase adsorption, minimizing non-specific binding.
  • Superior Conjugation Methods Our conjugation protocols are designed to maximize the degree of labeling without compromising antibody stability, specificity, or affinity.
  • Rigorous Quality Control Each antibody undergoes comprehensive quality-control assays throughout the manufacturing process to ensure optimal performance.
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Secondary Antibody Selection: Guide

Use the table below to quickly identify the secondary antibody best suited to your needs.

Target / Target Species

Host Species

Unlabeled

Biotinylated

Biotinylated, RTU

ImmPRESS Polymer HRP

ImmPRESS Polymer AP

Dylight 488

Dylight 549

Dylight 594

Dylight 649

Fluorescein

AMCA

Texas Red

Peroxidase

Biotin

Goat

Cat IgG (H+L)

Goat

Chicken IgY (H+L)

Goat

Digoxigenin/Digoxin

Goat

Goat IgG (H+L)

Horse

Goat IgG (H+L)

Rabbit

Guinea Pig IgG (H+L)

Goat

Hamster IgG (H+L)

Goat

Human IgG (H+L)

Goat

Human Kappa Chain

Goat

Human Mu Chain

Goat

Mouse IgG (H+L)

Horse

Mouse IgG (H+L)

Goat

Mouse IgG (H+L), Rat Adsorbed

Horse

Mouse IgG and Rabbit IgG (H+L)

Horse

Mouse IgG, Rabbit IgG, and Goat IgG (H+L)

Horse

Mouse Mu Chain

Goat

Rabbit IgG (H+L)

Goat

Rabbit IgG (H+L)

Horse

Rat IgG (H+L)

Goat

Rat IgG (H+L)

Rabbit

Rat IgG (H+L), Mouse Adsorbed

Goat

Rat IgG (H+L), Mouse Adsorbed

Rabbit

Sheep IgG (H+L)

Rabbit

Streptavidin

Goat

Control Antibody

Rabbit

Control Antibody

Mouse

Control Antibody

Rat

Control Antibody

Goat

Secondary Antibody Technical and Educational Resources

View our resources below for more in-depth immunofluorescence and immunohistochemistry information.

Immunofluorescence Resource Guide

Streamline the immunofluorescence process with this step-by-step guide to finding the optimal reagents for your project.

Immunohistochemistry Resource Guide

Guide Step-by-step guide for selecting the best reagents for your immunohistochemistry workflow.