Streck Cell Preservative™
Streck Cell Preservative is an easy-to-use liquid preservative that maintains cellular antigen expression, including cluster of differentiation (CD) markers of biological samples for up to 7 days prior to analysis by flow cytometry. It preserves peripheral and cord blood samples, surgical tissue samples, bone marrow and fine needle aspirates.

Product Description
Streck Cell Preservative is an easy-to-use liquid preservative that maintains white blood cell integrity and the antigenic sites of biological samples, allowing CD markers to be recovered through flow cytometric analysis. It preserves peripheral and cord blood samples, surgical tissue samples, bone marrow and fine needle aspirates. Samples treated with Streck Cell Preservative can be maintained for up to 7 days prior to analysis by flow cytometry.

Features
- Up to 7-day sample stability when analyzed by flow cytometry
- Preserves peripheral and cord blood samples, surgical tissue samples, bone marrow and fine needle aspirates
- Available in 1 mL and 10 mL vials
Benefits
- Minimizes the adverse effects of time, storage and transport conditions on sample integrity
- Reduces the need for immediate sample processing and analysis
- Allows for the batching of samples, optimizing laboratory workflow
- Minimizes patient recalls, redraws and associated costs
- Reduces weekend and overtime work
Resources
Instructions (IFU)
Certificates
- Streck Cell Preservative CoC Lot 9133 2021-05-13
- Streck Cell Preservative CoC Lot 9245 2021-09-02
- Streck Cell Preservative CoC Lot 9357 2021-12-23
- Streck Cell Preservative CoC Lot 0104 2022-04-13
- Streck Cell Preservative CoC Lot 0216 2022-08-03
- Streck Cell Preservative CoC Lot 0328 2022-11-23
- Streck Cell Preservative CoC Lot 1074 2023-03-15
Product Information
Application – Technical Notes
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Cyto-Chex® Reagent Stabilizes Bone Marrow Cells and their Antigen Expression Profiles for Extended Analysis Using Flow Cytometry
Streck Cell Preservative is formerly known as Cyto-Chex
Cyto-Chex stabilized CD markers on the lymphocytes in bone marrow samples for up to 72 hours. The flow cytometric diagnosis is …

Ordering Information
Description | Catalog Number |
---|---|
6 x 1.0 mL | 213350 |
50 x 1.0 mL | 213355 |
2 x 10.0 mL | 213358 |
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Flow Cytometry Products
Based on Streck’s proprietary cell-stabilization technology, we offer a comprehensive line of positive procedural controls and cellular stabilization products for immunophenotyping by flow cytometry. Our unique quality controls provide assay values for both normal and abnormal leukocyte populations and reference values for both intracellular and surface markers. Our cellular stabilization products are designed to preserve samples for extended periods while easing handling concerns and allowing for room temperature storage, cold-chain free shipping and batch processing.

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