Troubleshooting & FAQs

Achieving reproducible, high-sensitivity results in biological research requires careful protocol optimization and rapid diagnostic problem-solving. Whether you are observing non-specific background staining, weak target signals, or unexpected band migration, identifying the root technical cause is essential to preserving valuable samples and reagents.

Our scientific team has compiled comprehensive troubleshooting guides and technical FAQs to assist you across key antibody applications. Select your experimental application below to explore validated step-by-step solutions for antibody titration, blocking buffer selection, antigen retrieval, and sample preparation.

Fluorescence-Activated Cell Sorting (FACS)

Resolve issues with cell clumping, poor fluorescence separation, high autofluorescence, and non-specific antibody binding in flow cytometry experiments.

View FACS Troubleshooting >

Immunofluorescence (IF) / Immunocytochemistry (ICC)

Optimize fixation, permeabilization, and blocking steps to eliminate high nuclear background, photobleaching, and diffuse cytoplasmic fluorescence.

View IF/ICC Troubleshooting >

Immunohistochemistry (IHC)

Troubleshoot weak chromogenic signal, excessive DAB background, tissue section detachment, and heat-induced epitope retrieval (HIER) buffer conditions.

View IHC Troubleshooting >

Western Blot (WB)

Diagnose and resolve smiling bands, multiple non-specific bands, high membrane background, weak chemiluminescence, and protein transfer failures.

View Western Blot Troubleshooting >

Frequently Asked Questions (FAQs)

Find immediate answers regarding antibody storage, reconstitution instructions, aliquotting recommendations, expiration dates, and cross-reactivity.

View General FAQs >

Technical Resources & Support Hub

Looking for additional guidance on product selection, protocol design, or publication citations? Explore our dedicated research support centers: