Flow Cytometry

Consistent controls for flow cytometry.

We offer a comprehensive line of positive procedural controls and cellular stabilization products for immunophenotyping by flow cytometry. Our CD-Chex® quality controls provide you with assay values for various leukocyte populations, intracellular and surface markers, and our cellular stabilization products allow you to preserve samples for extended periods of time, eliminating the need for cold-chain shipping or immediate processing.

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Why Streck flow controls?

Replicates a patient sample

  • Contains stabilized human blood cells
  • Tests the entire preparation, staining and analysis procedure

Quality

  • Consistent and reliable assay values for both normal and abnormal leukocyte populations
  • 90-day shelf-life reduces the time and cost associated with lot-to-lot correlations and frequent product shipments

Superior assay values

  • Targets 50+ surface and intracellular markers
  • Defined target values and assay ranges for each marker

Meet industry standards

  • Our comprehensive list of assayed markers encompasses most screening panels
  • Allows laboratories to meet industry standards including CLIA, CLSI and CAP guidelines

Streck flow cytometry controls – We have you covered

Streck’s portfolio of flow controls provides expansive coverage for your lab’s quality control needs. Numerous markers are available to cover HIV/Stem Cell enumeration, and preliminary/add-on panels for Oncohematology and Immunology QC testing.

Select one or more available markers to find the products you need

cCD3

CD1a

CD2

CD3

CD4

CD5

CD7

CD8

CD10

CD11b

CD11c

CD13

CD14

CD15

CD16

CD16·CD56

CD19

CD20

CD22

CD23

CD25

CD26

CD30

CD33

CD34 (Abnormal)

CD34 (Progenitor)

CD38+ / CD45+

CD38+ / CD45-

CD41

CD45

CD56

CD57

CD58

CD61

CD64

CD71

CD79a

CD103

CD117

CD138

cLambda

FMC7

Granulocyte

HLA·DR

Kappa / CD19

Lambda / CD19

Lymphocyte

Monocyte

MPO

TCR α/β

TCR γ/δ

TdT

WBC

Cell-Free DNA tubes
Cell-Free DNA tubes
Cd-Chex Plus
We are very happy with this product!

“Results are reproducible, the product is reliable and easy to use. The customer service has always been responsive and helpful.”

SelectScience Community Member review of CD-Chex Plus

CD-Chex CD34
Great control for clinical stem cell evaluation.

“A great control for stem cell evaluation/quantitation. Have been using this product clinically for over 10 years and results always fall within the desired range. Sales rep is great and checks in regularly. Standing orders ensure you get your product when you need it.”

SelectScience Community Member review of CD-Chex CD34

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CD-Chex CD103 Plus immunophenotyping quality control for flow cytometry

CD-Chex CD103 Plus®

A positive flow cytometry control for CD103, CD30, CD38, CD56, CD138 and cytoplasmic Lambda expression…

CD-Chex CD117 Plus immunophenotyping quality control for flow cytometry

CD-Chex CD117® Plus

A flow cytometry control that provides assay values for CD117, CD25 and CD71 on abnormal and total leukocytes…

CD-Chex CD34 stem cell enumeration flow cytometry control

CD-Chex CD34®

A three-level process control for enumerating CD34 positive cells by flow cytometry. It requires no dilution and…

CD-Chex Plus immunophenotyping quality control for flow cytometry

CD-Chex Plus®

A positive procedural control for T-lymphocyte, B-lymphocyte and NK cell enumeration and features two clinically…

CD-Chex Select immunophenotyping quality control for flow cytometry

CD-Chex Select®

A positive flow cytometry control for CD26, CD41, CD57, CD58, CD61, CD64, CD79a, FMC7, MPO, TCR α/β and TCR γ/δ expression…

CD-Chex TdT Plus® immunophenotyping quality control for flow cytometry

CD-Chex TdT Plus®

A positive procedural control that provides reference values for TdT, CD1a, CD2, CD4, CD5, CD7, CD8, CD34 and cytoplasmic CD3. This control contains several…

Cyto-Chex BCT

Cyto-Chex® BCT

A direct draw blood collection tube that maintains cellular morphology and surface antigen expression, including cluster of differentiation (CD) markers, prior to…

Streck Cell Preservative

Streck Cell Preservative®

An easy-to-use liquid preservative that maintains white blood cell integrity and allows CD markers to be measured through flow cytometric analysis.

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