Whatman™ Westran™ PVDF (Polyvinylidine Fluoride) membranes are available in two formats: the Westran S used for protein sequencing and the Westran Clear Signal used for Western blotting
Westran S PVDF is a 0.2 µm pore size hydrophobic membrane designed specifically for protein sequencing applications. The small pore size of this membrane eliminates ‘blow-through’ and increases protein binding over a wide range of molecular weights.
Protein binding capacity (over 200 µg/cm2) for easy signal detection
Chemical resistance needed for N-terminal sequencing
High protein retention even after harsh wash steps
Maximum capture of proteins during transfers minimizing sample loss
0.2 µm pore size for higher surface area, resulting in better binding of low molecular weight proteins
Compatible for use with Western blotting applications
Available in popular precut sizes for your application
Westran Clear Signal (CS) PVDF is a 0.45 µm membrane specifically designed for Western blotting and protein dot-blotting applications.
Protein binding capacity over 125 µg/cm2
Extremely low backgrounds with chemiluminescent and colorimetric applications providing you with clear signals and sharp bands
Excellent results with general protein stains such as Coomassie® Brilliant Blue, Amido Black, and Ponceau S Red
Increased strength allows for multiple stripping and reprobing, which results in savings
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