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Membranes and Blotting Paper

Membranes and Blotting Paper for Western Blotting, Transfers and Laboratory Applications

Membranes and blotting papers are essential components in protein analysis, nucleic acid detection, and sample transfer workflows. Our curated selection includes high‑performance Nitrocellulose, PVDF, and Nylon membranes from trusted brands such as Hoefer®, Azure, and Protran®, along with premium blotting papers from Azure and Cytiva. Designed for Western, Southern, and Northern blotting, these materials deliver the dependable performance researchers need, offering exceptional binding capacity, low background, strong wicking action, and consistent purity for clean and accurate transfers.

Whether you're assembling Western blot transfer “sandwiches,” imaging chemiluminescent or fluorescent blots, or performing nucleic acid lifts, our membranes and blotting papers provide the stability and clarity required for high‑quality results. Choose from pre‑cut sheets for simplified workflows, high‑absorbency cellulose papers for efficient wicking, or low‑fluorescence membranes for sensitive protein detection.

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Cytiva 3MM Chr paper is the world's most widely used blotting paper.

This acceptance and usage reflect the high quality, purity and consistency that are relied upon by researchers doing Southern, Northern and Western transfers. 3MM Chr paper is now available in the most widely used sizes. A medium thickness paper (0.34 mm) used extensively for blotting in electrophoresis for lifting of sequencing gels.

GB004
A thick gel blotting paper (1.0 mm), used for wicking purposes only. Provides higher absorbency and more consistent wicking than paper towels. Recommended for applications where fewer layers of gel blotting paper must still ensure a high capacity. Fewer layers of blotting paper reduce the risk of trapping air bubbles. Recommended for capillary blotting of nucleic acids.

GB005
An extra-thick (1.2 mm ), highly absorbent paper recommended for applications where fewer layers of blotting paper must siill ensure a high capacity. Recommended for semi-dry blotting of proteins.

17 Chr
A thick (0.92 mm) and highly absorbent paper.

31 ET
An extremely fast and thick paper (0.5 mm) with a fairly soft surface.

Features and Benefits

  • Pure cellulose produced entirely from the highest quality cotton linters with no additives of any kind. Ensures that no contamination will occur during the transfer steps
  • Manufactured and tested specifically for chromatographic techniques. This ensures the wicking capability and uniformity of capillary action that is important in obtaining clean and even transfers during blotting
  • Cytiva 3MM Chr is considered the industry standard for blotting procedures
  • Convenient sizes available in sheets precisely cut to the most popular gel and transfer membrane sizes. Allows "out-of-the-box" usage and eliminates sheet-to-sheet variations
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ASBLOTPAP5
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