Posibeads™ G4S Linker Positive Control Beads #88651
Product Information
Product Description
Posibeads™ are reproducibly generated and can also be used as a control to enable comparison of fluorescence across multiple instruments, sites, timepoints, and experiments. They can be used as a separate standalone sample or added to a sample of interest to serve as an internal positive control verifying the addition and functional activity of the conjugated antibody. Posibeads™ are not known to bind to any cell types, but a lower number of beads is recommended when mixing with cells to reduce the likelihood of acquiring concurrent or overlapping cell and bead events.
Product Usage Information
1. Prepare cells/tissue in tubes or wells as necessary for your experiment. If Posibeads™ will be used as an independent positive control, add an equivalent volume of buffer to empty tube(s) or well(s) as desired.
NOTE: Plan to include at least one unstained control to establish background fluorescence in your channel(s) of interest.
2. Mix or vortex the Posibeads™ immediately prior to use to ensure the beads are evenly distributed in solution.
3. Add desired volume of Posibeads™ to the control tube(s) or well(s), or add directly into the cell samples for use as an internal control.
4. Proceed with immunostaining following established protocols. The same incubation and wash steps should be performed with samples of interest and the Posibead control samples. The same centrifugation conditions may be used for both Posibeads™ and your cells of interest.
5. Acquire samples on flow cytometer. In mixed samples, beads will be differentiated from cells by high side scatter and low forward scatter.
Storage
Limited Uses
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