First in ELISPOT

Cellular Technology Limited (CTL) has been pioneering the transition of ELISPOT into the reliable, scientifically-validated, immune monitoring technique it is today. The cumulative expertise gained in this field is an integral part of the CTL ImmunoSpot® product line. View our extensive list of "Firsts" and see why CTL is the world leader in ELISPOT.

ELISPOT Kits
CTL Products

Cellular Technology Limited (CTL), headquartered in Cleveland, OH, is a global biotechnology company with locations and distributors all over the world. CTL offers products and services for immune assays. These include a library of human PBMC with HLA-typed donors that have established T cell reactivity. We specialize in immune characterization through ELISPOT, providing analyzers, kits, standardization packages, training, consultation, and contract research. Our BioSpot® analyzer line permits objective and high-throughput evaluation of serum neutralization tests, including viral plaque, PRNT, viral ICA, serum neutralization assays, and serum bactericidal assays.

CTL products include:

• ELISPOT analyzers 

• Plaque and colony counters 

• Cryopreserved PBMC samples 

• Serum-free cell culture media 

• CEF peptide pools 

• Image analysis software 

Instrumentation

 

 

Software

CTL Laboratory Services

CTL Laboratories, LLC, specializes in a variety of high-throughput immune monitoring techniques, including ELISPOT assays, ELISA assays, and flow cytometry. CTL can conduct all assays in a GLP-compliant manner—whether to validate the assays, to accommodate FDA requirements, or simply to test the samples for scientific value. CTL has had tremendous success with a wide range of species and tissue types, thanks to its extensive in-house expertise and adherence to proven protocols. 

CTL's laboratory services include:

• Contracted immune monitoring services 

• ELISPOT Plate scanning and analysis 

• ELISPOT assay consultation 

• Quality and regulatory consultation 

Contracted Immune Monitoring Research

Scanning and Analysis