Bio-Helix UltraScence Femto Plus Western Substrate

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Product Details

The UltraScence Femto Plus Western Substrate, as a luminol-based enhanced chemiluminescent substrate, is sensitive and compatible with conducting immunoblots with horseradish peroxidase (HRP) – conjugated secondary antibodies. The UltraScence Femto Plus Western Substrate is designed for the detection of the target proteins in amounts that are too small to be seen with typical ECL substrates. The low femtogram detection (mid-atto) of antigen is enabled by UltraScence Femto Plus Western Substrate’s excellent sensitivity and long signal duration. Further, its long chemiluminescent signal duration makes both digital and film-based imaging possible without any loss of the signal. Appropriate primary and secondary antibody dilutions are suggested for attaining optimal signal intensity and duration. Moreover, the high stability of UltraScence Femto Plus Western Substrate makes a 2-year- storage at room temperature possible, without any compromise on the performance.

 

– No optimization required.

Switching to the UltraScence Femto Plus Western Substrate from other brands, such as Thermo Scientific™ SuperSignal™ West Femto and Wako™ ImmunoStar™ LD, does not require optimization or protocol changes.

– High degree of sensitivity and enhanced chemiluminescence duration.
UltraScence Femto Plus Western Substrate enables an accurate low femtogram to mid-attogram detection of protein on the same immunoblot after a single exposure.

– Optimized for use with PVDF and nitrocellulose membranes.

– Compatible with Western Blotting Markers.

– Optimized for film and CCD-based imaging.

 

Performance

Membranes were probed with GFP tag Rabbit PolyAb diluted at 1:10,000 of and then with Goat Anti-rabbit IgG/HRP secondary antibody (1:10,000) after serial dilution EGFP (Enhanced Green Fluorescent Protein) were prepared and applied in electrophoresis and protein transfer. Identical blots were incubated with 400 μL of UltraScence Femto Plus Western substrate (CCH375). The blots were simultaneously exposed for 5seconds, 10 seconds, 30 seconds, 60 seconds and 180 seconds and using Chemlux SPX-600 Series digital imaging system.

The membrane images show that UltraScence Femto Plus Western Substrate provide sensitivity the same as Thermo ScientificTM SuperSignalTM West Femto. They can both clearly detect 5 ng EGFP after exposure for 180 sec. Membranes were probed with GFP tag Rabbit PolyAb diluted (1:10,000) and then with Goat Anti-rabbit IgG/HRP secondary antibody (1:10,000) after serial dilution EGFP (Enhanced Green Fluorescent Protein) were prepared and applied in electrophoresis and protein transfer. Identical blots were incubated with 400 μL of UltraScence Femto Plus Western substrate (CCH375-B100ML). The blots were simultaneously exposed for 5, 10, 30, 60 and 180 seconds and using Chemlux SPX-600 Series digital imaging system.