specializing in secondary antibodies and conjugates

Polyclonal AffiniPure-VHH™ Secondaries

Amplify the Detail

New VHH Fragment Antibodies for High-Resolution Immunostaining

Product Selection and Use

Learn more about selection and use of secondary antibodies

Choosing the right affinity-purified secondary antibody for your application

Technical information on Fluorophores, Biotin-SP (long-spacer), and Enzymes conjugated to affinity-purified antibodies and to other proteins

Technical Information on Antibody Fragments, Purified Proteins, Normals Serums, and other product types

Common Applications of Secondary Antibodies

General labeling guidelines and protocols

Multiple labeling (ML) using labeled secondary antibodies

Double labeling two primary antibodies from the same host species using Fab fragments

Silver Enhancement Protocol

Recipe for Anti-Fade Mounting Medium

Frequently Asked Questions

Our FAQ page may help you with troubleshooting