Antibody Finder

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Western Blot Reagents

Achieve sharper bands, cleaner blots, and reproducible data with protein gel and western blot reagents engineered for precision and performance. From background-blocking buffers to bright, sensitive antibody conjugates, our tools support band visualization and western blot quantitation—with safe, Earth-friendly, and convenient options that simplify your workflow.

TrueBlack® WB Blocking Buffer Kit

Enhance signal clarity and suppress background with a ready-to-use buffer that blocks non-specific binding in fluorescence-based western blotting.

Blocking Buffers & Background Quenchers

Minimize non-specific binding and autofluorescence with buffers and quenchers optimized for westerns, cell staining, and other fluorescence assays.

Protein Gel Stains

Visualize proteins with convenient, non-toxic stains that offer high sensitivity, low cost, and minimal steps—including no-fixation, no-washing options.

Protein Markers

Track protein separation and transfer with visible three-color protein markers—offering precise molecular weight reference for SDS-PAGE and western blotting.

HRP & Alkaline Phosphatase Conjugates

Enable sensitive protein detection with HRP, alkaline phosphatase (AP), or CF® Dye-labeled antibodies, including highly cross-adsorbed options for extremely specific staining.

Chromogenic Substrates

Use chromogenic substrates for western blot quantification—detect HRP or AP labels with visible signals that support semi-quantitative protein analysis.

Biotium Choice Antibodies

Rapid and convenient antibody labeling with bright, photostable CF® Dyes and other labels

Biotium Choice Antibodies

Rapid and convenient antibody labeling with bright, photostable CF® Dyes and other labels

Product Spotlight

One-Step Blue® Protein Gel Stain

Non-toxic, ready-to-use blue protein gel stain, no fixation or washes needed—a safer, superior alternative to Coomassie.

One-Step Lumitein™ Protein Gel Stain

One-Step Lumitein™ Protein Gel Stain

Non-toxic luminescent red protein gel stain requiring no fixation or wash steps—safe, sensitive, and convenient.

One-Step Lumitein™ UV Protein Gel Stain

One-Step Lumitein™ UV Protein Gel Stain

Earth-friendly, ready-to-use luminescent red protein gel stain optimized for UV-based fluorescence imaging systems.

TrueBlack® WB Blocking Buffer Kit

Buffer system for fluorescence-based westerns, providing superior specificity, sensitivity, and background suppression.

Peacock™ Prestained Protein Marker

Visible three-color protein marker, with 10 bands ranging from 10 to 180 kDa—ready-to-load, no heating required.

Peacock™ Plus Prestained Protein Marker

Three-color protein ladder with 12 visible bands ranging from 8 to 245 kDa—ready-to-load, no heating required.

Donkey Anti-Mouse IgG (H+L), Highly Cross-Adsorbed

Donkey Anti-Mouse IgG (H+L), Highly Cross-Adsorbed (Min X Rat)

Highly cross-adsorbed, with minimized cross-reactivity to rat IgG. Available labeled with 17 CF® Dyes, biotin, and HRP.

Donkey Anti-Rabbit IgG (H+L), Highly Cross-Adsorbed

Donkey Anti-Rabbit IgG (H+L), Highly Cross-Adsorbed

Cross-adsorbed for specific staining with minimal background. Choose from 20+ CF® Dyes, biotin, HRP, and AP conjugates.

Resources That Fuel Bright Ideas

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Blog

Your Go-To Guide for Protein Stains

Technology

Technology: One-Step Protein Gel Stains

Faq

FAQ: Is protein staining on SDS-PAGE gels with the One-Step protein stains compatible with western blotting?

Tech tip

Protocol: Fluorescent Western Blotting

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Featured Products

TrueBlack® Lipofuscin Autofluorescence Quencher

GelRed® Nucleic Acid Gel Stain

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