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Antibody Preparation
1) Add 1/10 volume of 10X modifier directly to your antibody tube (i.e. for 100 µl of antibody, add 10 µl of modifier).
Labeling with FL490
2) Add antibody solution to the FL490 tube, mix thoroughly with pipette or vortex. Incubate in the dark at room temperature for 10 minutes.
Final buffer step
3) After the 10-minute incubation is complete, add 90 µL final buffer diluent to FL490-labeled antibody, vortex, and it is now ready to use in your assay. Final antibody concentration is ~0.25-0.5 mg/mL, depending on starting concentration.
1. Modifier Tube.
2. Labeling reagent with lyophilized FL490 for modification of 50-100 µg protein at 0.5-1.0 mg/mL.
3. Desalting column (red cap) to buffer exchange FL490-modified antibody product into PBS + 15 mM sodium azide.
4. Final collection tube