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.

TECHNICAL DOCUMENTS

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
Potentially decreases the need for weekend and overtime work

Instructions (IFU)

Streck Cell Preservative IFU

Certificates

Streck Cell Preservative is formerly known as Cyto-Chex

Cyto-Chex^® Reagent Stabilizes Bone Marrow Cells and their Antigen Expression Profiles for Extended Analysis Using Flow Cytometry

Conclusion: Cyto-Chex stabilized CD markers on the lymphocytes in bone marrow samples for up to 72 hours. The flow cytometric diagnosis is unchanged when comparing Cyto-Chex-treated bone marrow samples and K2EDTA samples. Use of Cyto-Chex greatly extends the time interval between specimen collection and analysis, offering improved patient convenience, the elimination of redraws, and a cost savings for the laboratory.

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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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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