FlowCytes® WBC (Fixed) are a synthetic, polymer-based cell mimic that are finely tuned to match the physical and optical properties of real, fixed leukocytes, enabling reproducible instrument scatter settings that will match real cellular samples.
FlowCytes® have a multi-year shelf life, room temperature storage, low lot-to-lot variability, easy-to-use dropper bottle application, allowing for a convenient alternative to the hassle of biological scatter controls.
As synthetic, non-biohazardous materials, they require no special handling or disposal.

FlowCytes® WBC (Fixed)
FlowCytes® WBC (Fixed)
Specifications
| Specification | Value |
|---|---|
| Format | Synthetic polymer-based cell mimic; ready-to-use dropper bottle |
| Available Sizes | 25 tests (SSB-15-A) |
| Fixation | Fixed |
| Scatter Characteristics | Tuned to match the physical and optical properties of real, fixed leukocytes (WBC) |
| Application | Instrument scatter setting optimization, FSC/SSC alignment, scatter QC, and reproducible instrument setup to match fixed cellular samples |
| Handling & Safety | Synthetic, non-biohazardous material; no special handling or disposal required |
| Storage Temp |
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| 2 - 30°C |
| Shipping Temp | No Ice |
| Shelf Life | 36 months |
| Guaranteed Expiration Date | >6 months at shipping |
| Instrument Compatibility | Compatible across analytical flow cytometers and multiple instrument platforms |
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FlowCytes® WBC (Fixed) is no longer available to order. We recommend FlowCytes® Daily as its replacement.