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Need Flow Cytometry Services?

IBT Bioservices provides comprehensive flow cytometry services to accelerate your R&D. Flow cytometry can yield rich data to provide insights into mechanism and increase preclinical success. Cytometry studies are critical for developing safe and effective vaccines and therapeutics.  Our team of experts can help you with panel design, custom validation of fluorophores, develop antibody clones for your assays as well as analyze your data. At IBT we leverage our extensive scientific knowledge to accelerate your drug development process.

  • Custom flow cytometry
  • Assay development
  • Assay validation
  • Sample processing
  • Panel design and data analysis

We offer access to PhD level industry professionals and experts in the design and execution of flow cytometry studies. We are here to help you from start to finish. Contact us to discuss a potential project or to ask questions about our flow cytometry and other custom services.

Ready-to-use validated panels available to characterize T-cell subsets and to assess T-lymphocyte antigen specific response.


All of our flow cytometry studies are conducted on BD FACSymphony A3 Flow Cytometer

  • simultaneous collection of up to 23 colors
  • portfolio of bright dyes
  • technical data analysis support services

Range of flow cytometry assays including:

  • Immunophenotyping
    • CD8+ and CD4+ T-lymphocytes
    • B-lymphocytes
  • Immune checkpoint modulation evaluation:
    • T-helper (T) cell subset
    • T-lymphocytes antigen response
    • Intracellular cytokine response
    • Transcription factors
  • Functional assays to evaluate
    • relative abundance of immune cell subsets
    • mechanism of action
    • immune subset abundance

Service Features

What we offer:

  • In-house in vivo services to generate samples
  • Rapid collection/processing to ensure sample quality
  • High quality studies performed by PhD level experts
  • Fast turnaround
  • Affordable service
  • Long term service contracts available

What’s Included:

  • Technical data analysis support services
  • PDF report of scatter plots based on your gating strategy
  • Excel report with cell count
  • Raw data file
  • Formal Study report, upon request
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Fig. 1 Survival after challenge with INFV H1N1 A/Pert/261/2009 (Tamiflu-resistant strain). Inoculum 1xLD90=1.0E+05 PFU/mouse
Survival after challenge with INFV H1N1 A/Pert/261/2009 (Tamiflu-resistant strain) 1.0E+05 PFU/mouse
Survival and weight change in BALB/c mice challenged with INFV A/ Texas/36/91 (H1N1) and treated with antiviral Osletamivir Phosphate (Tamiflu)
Lung viral load and Survival (30 % weight loss cut-off) in BALB/c mice challenged with INFV H3N2 A/HK/1/68.

Alpha (UK) – B. 1.1.7 / 501Y.V1

amino acid mutations: del69–70 HV, del144 Y, N501Y, A570D, D614G, P681H, T761I, S982A, D1118H

Beta (South Africa) – B.1.351

amino acid mutations: K417N, E484K, N501Y, D614G, A701V

Gamma (Brazil) – P.1

amino acid mutations: L18F, T20N, P26S, D138Y, R190S, K417T, E484K, N501Y, D614G, H655Y, T1027I

Epsilon (Ca, USA) B.1.427

amino acid mutations: L452R, D614G

SARS-CoV-2 Parental Strain Wild Type (Wuhan)
SARS-CoV-2 D614G Variant

amino acid mutations: D614G

Epsilon (Ca, USA) B.1.429

amino acid mutations: S13I, W152C, L452R, D614G

SARS-CoV-2 Delta Variant

amino acid mutations: L452R, E484Q