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Description

The Blot Restore kit is an innovative tool for studies involving Western blot analysis. It is widely believed that antigen-containing membranes used for Western blot experiments should never be dried. However, this is not true. The Blot Restore kit allows multiple re-use of membranes that were developed with substrate and subsequently dried. In model experiments both PVDF and nitrocellulose membranes showed excellent performance after having been dried for at least two months. Kit contains two components. Solutioin A re-hydrates dry membranes and washes out chemiluminescent developing reagents. Solution B strips both primary and secondary (labeled) antibodies off the membrane. Treated membranes are ready for blocking and subsequent re-probing with antibodies of choice. Use of the Blot Restore Kit offers several advantages: 1) Conservation of samples that are expensive or available only in limited quantities, 2) Analysis of a given blot using several different antibodies, e.g. subtype- or isoform-specific antibodies, 3) Re-analysis of anomalous results and confirmation with the same or a different antibody, 4) Correcting errors in incubation with the wrong antibody, 5) Cost savings in reagents and time by reusing the same blot.