Normal Donkey Serum | 017-000-121

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SKU:: 017-000-121
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Availability:: In Stock
Storage:: Store freeze-dried solid at 2-8°C.
Size:: 10.0 ml

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Normal Donkey Serum | 017-000-121

Normal serums are lipid extracted to improve clarity, dialyzed against phosphate buffered saline (PBS) containing sodium azide, and freeze dried. Normal serum diluted to 5% (v/v) in PBS is strongly recommended as a blocking reagent to reduce background from non-specific, conserved sequence and/or Fc receptor binding. Best results are obtained with diluted normal serum from the same host as the labeled antibody, as a separate incubation step before addition of the primary antibody.

Physical State: Freeze-dried solid
Storage and Rehydration: Store freeze-dried solid at 2-8°C. Rehydrate with the indicated volume of dH2O (see product specification sheet) and centrifuge if not clear. Prepare working dilution on day of use. Product is stable for about 6 weeks at 2-8°C as an undiluted liquid.
Extended Storage after Rehydration: Aliquot and freeze undiluted product at -20°C or below. Avoid repeated freezing and thawing.
Expiration date: one year from date of rehydration. The expiration date may be extended if test results are acceptable for the intended use.

Preservative: 0.05% Sodium Azide

Suggested Working Concentration or Dilution Range:For blocking purposes, use 5% (v/v) solution (1:20 dilution from rehydrated volume). Rehydration according to instruction yields 100% serum.

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